1 | #define INCL_DOS |
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2 | #define INCL_NOPM |
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3 | #define INCL_DOSFILEMGR |
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4 | #define INCL_DOSMEMMGR |
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5 | #define INCL_DOSERRORS |
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6 | #include <os2.h> |
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7 | |
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8 | /* |
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9 | * Various Unix compatibility functions for OS/2 |
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10 | */ |
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11 | |
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12 | #include <stdio.h> |
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13 | #include <errno.h> |
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14 | #include <limits.h> |
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15 | #include <process.h> |
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16 | #include <fcntl.h> |
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17 | |
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18 | #include "EXTERN.h" |
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19 | #include "perl.h" |
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20 | |
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21 | /*****************************************************************************/ |
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22 | /* 2.1 would not resolve symbols on demand, and has no ExtLIBPATH. */ |
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23 | static PFN ExtFCN[2]; /* Labeled by ord below. */ |
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24 | static USHORT loadOrd[2] = { 874, 873 }; /* Query=874, Set=873. */ |
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25 | #define ORD_QUERY_ELP 0 |
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26 | #define ORD_SET_ELP 1 |
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27 | |
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28 | APIRET |
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29 | loadByOrd(ULONG ord) |
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30 | { |
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31 | if (ExtFCN[ord] == NULL) { |
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32 | static HMODULE hdosc = 0; |
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33 | BYTE buf[20]; |
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34 | PFN fcn; |
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35 | APIRET rc; |
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36 | |
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37 | if ((!hdosc && CheckOSError(DosLoadModule(buf, sizeof buf, |
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38 | "doscalls", &hdosc))) |
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39 | || CheckOSError(DosQueryProcAddr(hdosc, loadOrd[ord], NULL, &fcn))) |
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40 | die("This version of OS/2 does not support doscalls.%i", |
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41 | loadOrd[ord]); |
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42 | ExtFCN[ord] = fcn; |
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43 | } |
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44 | if ((long)ExtFCN[ord] == -1) die("panic queryaddr"); |
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45 | } |
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46 | |
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47 | /* priorities */ |
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48 | static signed char priors[] = {0, 1, 3, 2}; /* Last two interchanged, |
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49 | self inverse. */ |
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50 | #define QSS_INI_BUFFER 1024 |
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51 | |
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52 | PQTOPLEVEL |
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53 | get_sysinfo(ULONG pid, ULONG flags) |
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54 | { |
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55 | char *pbuffer; |
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56 | ULONG rc, buf_len = QSS_INI_BUFFER; |
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57 | |
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58 | New(1322, pbuffer, buf_len, char); |
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59 | /* QSS_PROCESS | QSS_MODULE | QSS_SEMAPHORES | QSS_SHARED */ |
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60 | rc = QuerySysState(flags, pid, pbuffer, buf_len); |
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61 | while (rc == ERROR_BUFFER_OVERFLOW) { |
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62 | Renew(pbuffer, buf_len *= 2, char); |
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63 | rc = QuerySysState(flags, pid, pbuffer, buf_len); |
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64 | } |
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65 | if (rc) { |
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66 | FillOSError(rc); |
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67 | Safefree(pbuffer); |
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68 | return 0; |
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69 | } |
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70 | return (PQTOPLEVEL)pbuffer; |
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71 | } |
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72 | |
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73 | #define PRIO_ERR 0x1111 |
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74 | |
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75 | static ULONG |
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76 | sys_prio(pid) |
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77 | { |
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78 | ULONG prio; |
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79 | PQTOPLEVEL psi; |
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80 | |
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81 | psi = get_sysinfo(pid, QSS_PROCESS); |
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82 | if (!psi) { |
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83 | return PRIO_ERR; |
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84 | } |
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85 | if (pid != psi->procdata->pid) { |
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86 | Safefree(psi); |
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87 | croak("panic: wrong pid in sysinfo"); |
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88 | } |
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89 | prio = psi->procdata->threads->priority; |
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90 | Safefree(psi); |
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91 | return prio; |
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92 | } |
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93 | |
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94 | int |
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95 | setpriority(int which, int pid, int val) |
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96 | { |
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97 | ULONG rc, prio; |
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98 | PQTOPLEVEL psi; |
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99 | |
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100 | prio = sys_prio(pid); |
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101 | |
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102 | if (!(_emx_env & 0x200)) return 0; /* Nop if not OS/2. */ |
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103 | if (priors[(32 - val) >> 5] + 1 == (prio >> 8)) { |
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104 | /* Do not change class. */ |
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105 | return CheckOSError(DosSetPriority((pid < 0) |
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106 | ? PRTYS_PROCESSTREE : PRTYS_PROCESS, |
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107 | 0, |
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108 | (32 - val) % 32 - (prio & 0xFF), |
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109 | abs(pid))) |
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110 | ? -1 : 0; |
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111 | } else /* if ((32 - val) % 32 == (prio & 0xFF)) */ { |
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112 | /* Documentation claims one can change both class and basevalue, |
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113 | * but I find it wrong. */ |
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114 | /* Change class, but since delta == 0 denotes absolute 0, correct. */ |
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115 | if (CheckOSError(DosSetPriority((pid < 0) |
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116 | ? PRTYS_PROCESSTREE : PRTYS_PROCESS, |
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117 | priors[(32 - val) >> 5] + 1, |
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118 | 0, |
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119 | abs(pid)))) |
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120 | return -1; |
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121 | if ( ((32 - val) % 32) == 0 ) return 0; |
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122 | return CheckOSError(DosSetPriority((pid < 0) |
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123 | ? PRTYS_PROCESSTREE : PRTYS_PROCESS, |
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124 | 0, |
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125 | (32 - val) % 32, |
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126 | abs(pid))) |
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127 | ? -1 : 0; |
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128 | } |
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129 | /* else return CheckOSError(DosSetPriority((pid < 0) */ |
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130 | /* ? PRTYS_PROCESSTREE : PRTYS_PROCESS, */ |
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131 | /* priors[(32 - val) >> 5] + 1, */ |
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132 | /* (32 - val) % 32 - (prio & 0xFF), */ |
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133 | /* abs(pid))) */ |
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134 | /* ? -1 : 0; */ |
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135 | } |
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136 | |
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137 | int |
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138 | getpriority(int which /* ignored */, int pid) |
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139 | { |
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140 | TIB *tib; |
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141 | PIB *pib; |
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142 | ULONG rc, ret; |
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143 | |
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144 | if (!(_emx_env & 0x200)) return 0; /* Nop if not OS/2. */ |
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145 | /* DosGetInfoBlocks has old priority! */ |
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146 | /* if (CheckOSError(DosGetInfoBlocks(&tib, &pib))) return -1; */ |
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147 | /* if (pid != pib->pib_ulpid) { */ |
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148 | ret = sys_prio(pid); |
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149 | if (ret == PRIO_ERR) { |
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150 | return -1; |
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151 | } |
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152 | /* } else */ |
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153 | /* ret = tib->tib_ptib2->tib2_ulpri; */ |
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154 | return (1 - priors[((ret >> 8) - 1)])*32 - (ret & 0xFF); |
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155 | } |
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156 | |
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157 | /*****************************************************************************/ |
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158 | /* spawn */ |
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159 | typedef void (*Sigfunc) _((int)); |
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160 | |
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161 | static int |
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162 | result(int flag, int pid) |
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163 | { |
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164 | int r, status; |
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165 | Signal_t (*ihand)(); /* place to save signal during system() */ |
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166 | Signal_t (*qhand)(); /* place to save signal during system() */ |
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167 | #ifndef __EMX__ |
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168 | RESULTCODES res; |
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169 | int rpid; |
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170 | #endif |
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171 | |
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172 | if (pid < 0 || flag != 0) |
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173 | return pid; |
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174 | |
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175 | #ifdef __EMX__ |
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176 | ihand = rsignal(SIGINT, SIG_IGN); |
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177 | qhand = rsignal(SIGQUIT, SIG_IGN); |
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178 | do { |
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179 | r = wait4pid(pid, &status, 0); |
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180 | } while (r == -1 && errno == EINTR); |
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181 | rsignal(SIGINT, ihand); |
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182 | rsignal(SIGQUIT, qhand); |
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183 | |
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184 | statusvalue = (U16)status; |
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185 | if (r < 0) |
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186 | return -1; |
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187 | return status & 0xFFFF; |
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188 | #else |
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189 | ihand = rsignal(SIGINT, SIG_IGN); |
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190 | r = DosWaitChild(DCWA_PROCESS, DCWW_WAIT, &res, &rpid, pid); |
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191 | rsignal(SIGINT, ihand); |
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192 | statusvalue = res.codeResult << 8 | res.codeTerminate; |
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193 | if (r) |
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194 | return -1; |
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195 | return statusvalue; |
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196 | #endif |
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197 | } |
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198 | |
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199 | int |
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200 | do_aspawn(really,mark,sp) |
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201 | SV *really; |
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202 | register SV **mark; |
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203 | register SV **sp; |
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204 | { |
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205 | register char **a; |
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206 | char *tmps = NULL; |
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207 | int rc; |
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208 | int flag = P_WAIT, trueflag, err, secondtry = 0; |
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209 | |
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210 | if (sp > mark) { |
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211 | New(1301,Argv, sp - mark + 3, char*); |
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212 | a = Argv; |
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213 | |
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214 | if (mark < sp && SvNIOKp(*(mark+1)) && !SvPOKp(*(mark+1))) { |
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215 | ++mark; |
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216 | flag = SvIVx(*mark); |
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217 | } |
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218 | |
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219 | while (++mark <= sp) { |
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220 | if (*mark) |
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221 | *a++ = SvPVx(*mark, na); |
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222 | else |
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223 | *a++ = ""; |
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224 | } |
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225 | *a = Nullch; |
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226 | |
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227 | trueflag = flag; |
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228 | if (flag == P_WAIT) |
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229 | flag = P_NOWAIT; |
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230 | |
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231 | if (strEQ(Argv[0],"/bin/sh")) Argv[0] = sh_path; |
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232 | |
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233 | if (Argv[0][0] != '/' && Argv[0][0] != '\\' |
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234 | && !(Argv[0][0] && Argv[0][1] == ':' |
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235 | && (Argv[0][2] == '/' || Argv[0][2] != '\\')) |
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236 | ) /* will swawnvp use PATH? */ |
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237 | TAINT_ENV(); /* testing IFS here is overkill, probably */ |
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238 | /* We should check PERL_SH* and PERLLIB_* as well? */ |
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239 | retry: |
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240 | if (really && *(tmps = SvPV(really, na))) |
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241 | rc = result(trueflag, spawnvp(flag,tmps,Argv)); |
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242 | else |
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243 | rc = result(trueflag, spawnvp(flag,Argv[0],Argv)); |
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244 | |
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245 | if (rc < 0 && secondtry == 0 |
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246 | && (!tmps || !*tmps)) { /* Cannot transfer `really' via shell. */ |
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247 | err = errno; |
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248 | if (err == ENOENT) { /* No such file. */ |
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249 | /* One reason may be that EMX added .exe. We suppose |
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250 | that .exe-less files are automatically shellable. */ |
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251 | char *no_dir; |
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252 | (no_dir = strrchr(Argv[0], '/')) |
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253 | || (no_dir = strrchr(Argv[0], '\\')) |
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254 | || (no_dir = Argv[0]); |
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255 | if (!strchr(no_dir, '.')) { |
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256 | struct stat buffer; |
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257 | if (stat(Argv[0], &buffer) != -1) { /* File exists. */ |
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258 | /* Maybe we need to specify the full name here? */ |
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259 | goto doshell; |
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260 | } |
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261 | } |
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262 | } else if (err == ENOEXEC) { /* Need to send to shell. */ |
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263 | doshell: |
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264 | while (a >= Argv) { |
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265 | *(a + 2) = *a; |
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266 | a--; |
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267 | } |
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268 | *Argv = sh_path; |
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269 | *(Argv + 1) = "-c"; |
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270 | secondtry = 1; |
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271 | goto retry; |
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272 | } |
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273 | } |
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274 | if (rc < 0 && dowarn) |
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275 | warn("Can't spawn \"%s\": %s", Argv[0], Strerror(errno)); |
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276 | if (rc < 0) rc = 255 << 8; /* Emulate the fork(). */ |
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277 | } else |
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278 | rc = -1; |
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279 | do_execfree(); |
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280 | return rc; |
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281 | } |
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282 | |
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283 | #define EXECF_SPAWN 0 |
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284 | #define EXECF_EXEC 1 |
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285 | #define EXECF_TRUEEXEC 2 |
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286 | #define EXECF_SPAWN_NOWAIT 3 |
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287 | |
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288 | int |
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289 | do_spawn2(cmd, execf) |
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290 | char *cmd; |
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291 | int execf; |
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292 | { |
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293 | register char **a; |
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294 | register char *s; |
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295 | char flags[10]; |
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296 | char *shell, *copt, *news = NULL; |
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297 | int rc, added_shell = 0, err, seenspace = 0; |
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298 | char fullcmd[MAXNAMLEN + 1]; |
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299 | |
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300 | #ifdef TRYSHELL |
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301 | if ((shell = getenv("EMXSHELL")) != NULL) |
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302 | copt = "-c"; |
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303 | else if ((shell = getenv("SHELL")) != NULL) |
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304 | copt = "-c"; |
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305 | else if ((shell = getenv("COMSPEC")) != NULL) |
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306 | copt = "/C"; |
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307 | else |
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308 | shell = "cmd.exe"; |
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309 | #else |
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310 | /* Consensus on perl5-porters is that it is _very_ important to |
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311 | have a shell which will not change between computers with the |
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312 | same architecture, to avoid "action on a distance". |
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313 | And to have simple build, this shell should be sh. */ |
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314 | shell = sh_path; |
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315 | copt = "-c"; |
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316 | #endif |
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317 | |
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318 | while (*cmd && isSPACE(*cmd)) |
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319 | cmd++; |
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320 | |
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321 | if (strnEQ(cmd,"/bin/sh",7) && isSPACE(cmd[7])) { |
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322 | STRLEN l = strlen(sh_path); |
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323 | |
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324 | New(1302, news, strlen(cmd) - 7 + l + 1, char); |
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325 | strcpy(news, sh_path); |
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326 | strcpy(news + l, cmd + 7); |
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327 | cmd = news; |
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328 | added_shell = 1; |
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329 | } |
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330 | |
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331 | /* save an extra exec if possible */ |
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332 | /* see if there are shell metacharacters in it */ |
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333 | |
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334 | if (*cmd == '.' && isSPACE(cmd[1])) |
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335 | goto doshell; |
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336 | |
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337 | if (strnEQ(cmd,"exec",4) && isSPACE(cmd[4])) |
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338 | goto doshell; |
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339 | |
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340 | for (s = cmd; *s && isALPHA(*s); s++) ; /* catch VAR=val gizmo */ |
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341 | if (*s == '=') |
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342 | goto doshell; |
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343 | |
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344 | for (s = cmd; *s; s++) { |
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345 | if (*s != ' ' && !isALPHA(*s) && strchr("$&*(){}[]'\";\\|?<>~`\n",*s)) { |
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346 | if (*s == '\n' && s[1] == '\0') { |
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347 | *s = '\0'; |
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348 | break; |
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349 | } else if (*s == '\\' && !seenspace) { |
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350 | continue; /* Allow backslashes in names */ |
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351 | } |
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352 | doshell: |
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353 | if (execf == EXECF_TRUEEXEC) |
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354 | return execl(shell,shell,copt,cmd,(char*)0); |
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355 | else if (execf == EXECF_EXEC) |
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356 | return spawnl(P_OVERLAY,shell,shell,copt,cmd,(char*)0); |
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357 | else if (execf == EXECF_SPAWN_NOWAIT) |
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358 | return spawnl(P_NOWAIT,shell,shell,copt,cmd,(char*)0); |
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359 | /* In the ak code internal P_NOWAIT is P_WAIT ??? */ |
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360 | rc = result(P_WAIT, |
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361 | spawnl(P_NOWAIT,shell,shell,copt,cmd,(char*)0)); |
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362 | if (rc < 0 && dowarn) |
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363 | warn("Can't %s \"%s\": %s", |
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364 | (execf == EXECF_SPAWN ? "spawn" : "exec"), |
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365 | shell, Strerror(errno)); |
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366 | if (rc < 0) rc = 255 << 8; /* Emulate the fork(). */ |
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367 | if (news) Safefree(news); |
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368 | return rc; |
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369 | } else if (*s == ' ' || *s == '\t') { |
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370 | seenspace = 1; |
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371 | } |
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372 | } |
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373 | |
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374 | New(1303,Argv, (s - cmd) / 2 + 2, char*); |
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375 | Cmd = savepvn(cmd, s-cmd); |
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376 | a = Argv; |
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377 | for (s = Cmd; *s;) { |
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378 | while (*s && isSPACE(*s)) s++; |
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379 | if (*s) |
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380 | *(a++) = s; |
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381 | while (*s && !isSPACE(*s)) s++; |
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382 | if (*s) |
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383 | *s++ = '\0'; |
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384 | } |
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385 | *a = Nullch; |
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386 | if (Argv[0]) { |
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387 | int err; |
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388 | |
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389 | if (execf == EXECF_TRUEEXEC) |
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390 | rc = execvp(Argv[0],Argv); |
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391 | else if (execf == EXECF_EXEC) |
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392 | rc = spawnvp(P_OVERLAY,Argv[0],Argv); |
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393 | else if (execf == EXECF_SPAWN_NOWAIT) |
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394 | rc = spawnvp(P_NOWAIT,Argv[0],Argv); |
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395 | else |
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396 | rc = result(P_WAIT, spawnvp(P_NOWAIT,Argv[0],Argv)); |
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397 | if (rc < 0) { |
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398 | err = errno; |
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399 | if (err == ENOENT) { /* No such file. */ |
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400 | /* One reason may be that EMX added .exe. We suppose |
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401 | that .exe-less files are automatically shellable. */ |
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402 | char *no_dir; |
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403 | (no_dir = strrchr(Argv[0], '/')) |
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404 | || (no_dir = strrchr(Argv[0], '\\')) |
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405 | || (no_dir = Argv[0]); |
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406 | if (!strchr(no_dir, '.')) { |
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407 | struct stat buffer; |
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408 | if (stat(Argv[0], &buffer) != -1) { /* File exists. */ |
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409 | /* Maybe we need to specify the full name here? */ |
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410 | goto doshell; |
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411 | } |
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412 | } |
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413 | } else if (err == ENOEXEC) { /* Need to send to shell. */ |
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414 | goto doshell; |
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415 | } |
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416 | } |
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417 | if (rc < 0 && dowarn) |
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418 | warn("Can't %s \"%s\": %s", |
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419 | ((execf != EXECF_EXEC && execf != EXECF_TRUEEXEC) |
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420 | ? "spawn" : "exec"), |
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421 | Argv[0], Strerror(err)); |
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422 | if (rc < 0) rc = 255 << 8; /* Emulate the fork(). */ |
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423 | } else |
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424 | rc = -1; |
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425 | if (news) Safefree(news); |
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426 | do_execfree(); |
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427 | return rc; |
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428 | } |
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429 | |
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430 | int |
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431 | do_spawn(cmd) |
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432 | char *cmd; |
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433 | { |
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434 | return do_spawn2(cmd, EXECF_SPAWN); |
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435 | } |
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436 | |
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437 | int |
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438 | do_spawn_nowait(cmd) |
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439 | char *cmd; |
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440 | { |
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441 | return do_spawn2(cmd, EXECF_SPAWN_NOWAIT); |
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442 | } |
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443 | |
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444 | bool |
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445 | do_exec(cmd) |
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446 | char *cmd; |
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447 | { |
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448 | return do_spawn2(cmd, EXECF_EXEC); |
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449 | } |
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450 | |
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451 | bool |
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452 | os2exec(cmd) |
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453 | char *cmd; |
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454 | { |
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455 | return do_spawn2(cmd, EXECF_TRUEEXEC); |
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456 | } |
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457 | |
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458 | PerlIO * |
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459 | my_syspopen(cmd,mode) |
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460 | char *cmd; |
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461 | char *mode; |
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462 | { |
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463 | #ifndef USE_POPEN |
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464 | |
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465 | int p[2]; |
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466 | register I32 this, that, newfd; |
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467 | register I32 pid, rc; |
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468 | PerlIO *res; |
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469 | SV *sv; |
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470 | |
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471 | if (pipe(p) < 0) |
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472 | return Nullfp; |
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473 | /* `this' is what we use in the parent, `that' in the child. */ |
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474 | this = (*mode == 'w'); |
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475 | that = !this; |
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476 | if (tainting) { |
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477 | taint_env(); |
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478 | taint_proper("Insecure %s%s", "EXEC"); |
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479 | } |
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480 | /* Now we need to spawn the child. */ |
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481 | newfd = dup(*mode == 'r'); /* Preserve std* */ |
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482 | if (p[that] != (*mode == 'r')) { |
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483 | dup2(p[that], *mode == 'r'); |
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484 | close(p[that]); |
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485 | } |
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486 | /* Where is `this' and newfd now? */ |
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487 | fcntl(p[this], F_SETFD, FD_CLOEXEC); |
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488 | fcntl(newfd, F_SETFD, FD_CLOEXEC); |
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489 | pid = do_spawn_nowait(cmd); |
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490 | if (newfd != (*mode == 'r')) { |
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491 | dup2(newfd, *mode == 'r'); /* Return std* back. */ |
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492 | close(newfd); |
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493 | } |
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494 | close(p[that]); |
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495 | if (pid == -1) { |
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496 | close(p[this]); |
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497 | return NULL; |
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498 | } |
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499 | if (p[that] < p[this]) { |
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500 | dup2(p[this], p[that]); |
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501 | close(p[this]); |
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502 | p[this] = p[that]; |
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503 | } |
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504 | sv = *av_fetch(fdpid,p[this],TRUE); |
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505 | (void)SvUPGRADE(sv,SVt_IV); |
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506 | SvIVX(sv) = pid; |
---|
507 | forkprocess = pid; |
---|
508 | return PerlIO_fdopen(p[this], mode); |
---|
509 | |
---|
510 | #else /* USE_POPEN */ |
---|
511 | |
---|
512 | PerlIO *res; |
---|
513 | SV *sv; |
---|
514 | |
---|
515 | # ifdef TRYSHELL |
---|
516 | res = popen(cmd, mode); |
---|
517 | # else |
---|
518 | char *shell = getenv("EMXSHELL"); |
---|
519 | |
---|
520 | my_setenv("EMXSHELL", sh_path); |
---|
521 | res = popen(cmd, mode); |
---|
522 | my_setenv("EMXSHELL", shell); |
---|
523 | # endif |
---|
524 | sv = *av_fetch(fdpid, PerlIO_fileno(res), TRUE); |
---|
525 | (void)SvUPGRADE(sv,SVt_IV); |
---|
526 | SvIVX(sv) = -1; /* A cooky. */ |
---|
527 | return res; |
---|
528 | |
---|
529 | #endif /* USE_POPEN */ |
---|
530 | |
---|
531 | } |
---|
532 | |
---|
533 | /******************************************************************/ |
---|
534 | |
---|
535 | #ifndef HAS_FORK |
---|
536 | int |
---|
537 | fork(void) |
---|
538 | { |
---|
539 | die(no_func, "Unsupported function fork"); |
---|
540 | errno = EINVAL; |
---|
541 | return -1; |
---|
542 | } |
---|
543 | #endif |
---|
544 | |
---|
545 | /*******************************************************************/ |
---|
546 | /* not implemented in EMX 0.9a */ |
---|
547 | |
---|
548 | void * ctermid(x) { return 0; } |
---|
549 | |
---|
550 | #ifdef MYTTYNAME /* was not in emx0.9a */ |
---|
551 | void * ttyname(x) { return 0; } |
---|
552 | #endif |
---|
553 | |
---|
554 | /******************************************************************/ |
---|
555 | /* my socket forwarders - EMX lib only provides static forwarders */ |
---|
556 | |
---|
557 | static HMODULE htcp = 0; |
---|
558 | |
---|
559 | static void * |
---|
560 | tcp0(char *name) |
---|
561 | { |
---|
562 | static BYTE buf[20]; |
---|
563 | PFN fcn; |
---|
564 | |
---|
565 | if (!(_emx_env & 0x200)) croak("%s requires OS/2", name); /* Die if not OS/2. */ |
---|
566 | if (!htcp) |
---|
567 | DosLoadModule(buf, sizeof buf, "tcp32dll", &htcp); |
---|
568 | if (htcp && DosQueryProcAddr(htcp, 0, name, &fcn) == 0) |
---|
569 | return (void *) ((void * (*)(void)) fcn) (); |
---|
570 | return 0; |
---|
571 | } |
---|
572 | |
---|
573 | static void |
---|
574 | tcp1(char *name, int arg) |
---|
575 | { |
---|
576 | static BYTE buf[20]; |
---|
577 | PFN fcn; |
---|
578 | |
---|
579 | if (!(_emx_env & 0x200)) croak("%s requires OS/2", name); /* Die if not OS/2. */ |
---|
580 | if (!htcp) |
---|
581 | DosLoadModule(buf, sizeof buf, "tcp32dll", &htcp); |
---|
582 | if (htcp && DosQueryProcAddr(htcp, 0, name, &fcn) == 0) |
---|
583 | ((void (*)(int)) fcn) (arg); |
---|
584 | } |
---|
585 | |
---|
586 | void * gethostent() { return tcp0("GETHOSTENT"); } |
---|
587 | void * getnetent() { return tcp0("GETNETENT"); } |
---|
588 | void * getprotoent() { return tcp0("GETPROTOENT"); } |
---|
589 | void * getservent() { return tcp0("GETSERVENT"); } |
---|
590 | void sethostent(x) { tcp1("SETHOSTENT", x); } |
---|
591 | void setnetent(x) { tcp1("SETNETENT", x); } |
---|
592 | void setprotoent(x) { tcp1("SETPROTOENT", x); } |
---|
593 | void setservent(x) { tcp1("SETSERVENT", x); } |
---|
594 | void endhostent() { tcp0("ENDHOSTENT"); } |
---|
595 | void endnetent() { tcp0("ENDNETENT"); } |
---|
596 | void endprotoent() { tcp0("ENDPROTOENT"); } |
---|
597 | void endservent() { tcp0("ENDSERVENT"); } |
---|
598 | |
---|
599 | /*****************************************************************************/ |
---|
600 | /* not implemented in C Set++ */ |
---|
601 | |
---|
602 | #ifndef __EMX__ |
---|
603 | int setuid(x) { errno = EINVAL; return -1; } |
---|
604 | int setgid(x) { errno = EINVAL; return -1; } |
---|
605 | #endif |
---|
606 | |
---|
607 | /*****************************************************************************/ |
---|
608 | /* stat() hack for char/block device */ |
---|
609 | |
---|
610 | #if OS2_STAT_HACK |
---|
611 | |
---|
612 | /* First attempt used DosQueryFSAttach which crashed the system when |
---|
613 | used with 5.001. Now just look for /dev/. */ |
---|
614 | |
---|
615 | int |
---|
616 | os2_stat(char *name, struct stat *st) |
---|
617 | { |
---|
618 | static int ino = SHRT_MAX; |
---|
619 | |
---|
620 | if (stricmp(name, "/dev/con") != 0 |
---|
621 | && stricmp(name, "/dev/tty") != 0) |
---|
622 | return stat(name, st); |
---|
623 | |
---|
624 | memset(st, 0, sizeof *st); |
---|
625 | st->st_mode = S_IFCHR|0666; |
---|
626 | st->st_ino = (ino-- & 0x7FFF); |
---|
627 | st->st_nlink = 1; |
---|
628 | return 0; |
---|
629 | } |
---|
630 | |
---|
631 | #endif |
---|
632 | |
---|
633 | #ifdef USE_PERL_SBRK |
---|
634 | |
---|
635 | /* SBRK() emulation, mostly moved to malloc.c. */ |
---|
636 | |
---|
637 | void * |
---|
638 | sys_alloc(int size) { |
---|
639 | void *got; |
---|
640 | APIRET rc = DosAllocMem(&got, size, PAG_COMMIT | PAG_WRITE); |
---|
641 | |
---|
642 | if (rc == ERROR_NOT_ENOUGH_MEMORY) { |
---|
643 | return (void *) -1; |
---|
644 | } else if ( rc ) die("Got an error from DosAllocMem: %li", (long)rc); |
---|
645 | return got; |
---|
646 | } |
---|
647 | |
---|
648 | #endif /* USE_PERL_SBRK */ |
---|
649 | |
---|
650 | /* tmp path */ |
---|
651 | |
---|
652 | char *tmppath = TMPPATH1; |
---|
653 | |
---|
654 | void |
---|
655 | settmppath() |
---|
656 | { |
---|
657 | char *p = getenv("TMP"), *tpath; |
---|
658 | int len; |
---|
659 | |
---|
660 | if (!p) p = getenv("TEMP"); |
---|
661 | if (!p) return; |
---|
662 | len = strlen(p); |
---|
663 | tpath = (char *)malloc(len + strlen(TMPPATH1) + 2); |
---|
664 | strcpy(tpath, p); |
---|
665 | tpath[len] = '/'; |
---|
666 | strcpy(tpath + len + 1, TMPPATH1); |
---|
667 | tmppath = tpath; |
---|
668 | } |
---|
669 | |
---|
670 | #include "XSUB.h" |
---|
671 | |
---|
672 | XS(XS_File__Copy_syscopy) |
---|
673 | { |
---|
674 | dXSARGS; |
---|
675 | if (items < 2 || items > 3) |
---|
676 | croak("Usage: File::Copy::syscopy(src,dst,flag=0)"); |
---|
677 | { |
---|
678 | char * src = (char *)SvPV(ST(0),na); |
---|
679 | char * dst = (char *)SvPV(ST(1),na); |
---|
680 | U32 flag; |
---|
681 | int RETVAL, rc; |
---|
682 | |
---|
683 | if (items < 3) |
---|
684 | flag = 0; |
---|
685 | else { |
---|
686 | flag = (unsigned long)SvIV(ST(2)); |
---|
687 | } |
---|
688 | |
---|
689 | RETVAL = !CheckOSError(DosCopy(src, dst, flag)); |
---|
690 | ST(0) = sv_newmortal(); |
---|
691 | sv_setiv(ST(0), (IV)RETVAL); |
---|
692 | } |
---|
693 | XSRETURN(1); |
---|
694 | } |
---|
695 | |
---|
696 | char * |
---|
697 | mod2fname(sv) |
---|
698 | SV *sv; |
---|
699 | { |
---|
700 | static char fname[9]; |
---|
701 | int pos = 6, len, avlen; |
---|
702 | unsigned int sum = 0; |
---|
703 | AV *av; |
---|
704 | SV *svp; |
---|
705 | char *s; |
---|
706 | |
---|
707 | if (!SvROK(sv)) croak("Not a reference given to mod2fname"); |
---|
708 | sv = SvRV(sv); |
---|
709 | if (SvTYPE(sv) != SVt_PVAV) |
---|
710 | croak("Not array reference given to mod2fname"); |
---|
711 | |
---|
712 | avlen = av_len((AV*)sv); |
---|
713 | if (avlen < 0) |
---|
714 | croak("Empty array reference given to mod2fname"); |
---|
715 | |
---|
716 | s = SvPV(*av_fetch((AV*)sv, avlen, FALSE), na); |
---|
717 | strncpy(fname, s, 8); |
---|
718 | len = strlen(s); |
---|
719 | if (len < 6) pos = len; |
---|
720 | while (*s) { |
---|
721 | sum = 33 * sum + *(s++); /* Checksumming first chars to |
---|
722 | * get the capitalization into c.s. */ |
---|
723 | } |
---|
724 | avlen --; |
---|
725 | while (avlen >= 0) { |
---|
726 | s = SvPV(*av_fetch((AV*)sv, avlen, FALSE), na); |
---|
727 | while (*s) { |
---|
728 | sum = 33 * sum + *(s++); /* 7 is primitive mod 13. */ |
---|
729 | } |
---|
730 | avlen --; |
---|
731 | } |
---|
732 | fname[pos] = 'A' + (sum % 26); |
---|
733 | fname[pos + 1] = 'A' + (sum / 26 % 26); |
---|
734 | fname[pos + 2] = '\0'; |
---|
735 | return (char *)fname; |
---|
736 | } |
---|
737 | |
---|
738 | XS(XS_DynaLoader_mod2fname) |
---|
739 | { |
---|
740 | dXSARGS; |
---|
741 | if (items != 1) |
---|
742 | croak("Usage: DynaLoader::mod2fname(sv)"); |
---|
743 | { |
---|
744 | SV * sv = ST(0); |
---|
745 | char * RETVAL; |
---|
746 | |
---|
747 | RETVAL = mod2fname(sv); |
---|
748 | ST(0) = sv_newmortal(); |
---|
749 | sv_setpv((SV*)ST(0), RETVAL); |
---|
750 | } |
---|
751 | XSRETURN(1); |
---|
752 | } |
---|
753 | |
---|
754 | char * |
---|
755 | os2error(int rc) |
---|
756 | { |
---|
757 | static char buf[300]; |
---|
758 | ULONG len; |
---|
759 | |
---|
760 | if (!(_emx_env & 0x200)) return ""; /* Nop if not OS/2. */ |
---|
761 | if (rc == 0) |
---|
762 | return NULL; |
---|
763 | if (DosGetMessage(NULL, 0, buf, sizeof buf - 1, rc, "OSO001.MSG", &len)) |
---|
764 | sprintf(buf, "OS/2 system error code %d=0x%x", rc, rc); |
---|
765 | else |
---|
766 | buf[len] = '\0'; |
---|
767 | return buf; |
---|
768 | } |
---|
769 | |
---|
770 | char * |
---|
771 | perllib_mangle(char *s, unsigned int l) |
---|
772 | { |
---|
773 | static char *newp, *oldp; |
---|
774 | static int newl, oldl, notfound; |
---|
775 | static char ret[STATIC_FILE_LENGTH+1]; |
---|
776 | |
---|
777 | if (!newp && !notfound) { |
---|
778 | newp = getenv("PERLLIB_PREFIX"); |
---|
779 | if (newp) { |
---|
780 | char *s; |
---|
781 | |
---|
782 | oldp = newp; |
---|
783 | while (*newp && !isSPACE(*newp) && *newp != ';') { |
---|
784 | newp++; oldl++; /* Skip digits. */ |
---|
785 | } |
---|
786 | while (*newp && (isSPACE(*newp) || *newp == ';')) { |
---|
787 | newp++; /* Skip whitespace. */ |
---|
788 | } |
---|
789 | newl = strlen(newp); |
---|
790 | if (newl == 0 || oldl == 0) { |
---|
791 | die("Malformed PERLLIB_PREFIX"); |
---|
792 | } |
---|
793 | strcpy(ret, newp); |
---|
794 | s = ret; |
---|
795 | while (*s) { |
---|
796 | if (*s == '\\') *s = '/'; |
---|
797 | s++; |
---|
798 | } |
---|
799 | } else { |
---|
800 | notfound = 1; |
---|
801 | } |
---|
802 | } |
---|
803 | if (!newp) { |
---|
804 | return s; |
---|
805 | } |
---|
806 | if (l == 0) { |
---|
807 | l = strlen(s); |
---|
808 | } |
---|
809 | if (l < oldl || strnicmp(oldp, s, oldl) != 0) { |
---|
810 | return s; |
---|
811 | } |
---|
812 | if (l + newl - oldl > STATIC_FILE_LENGTH || newl > STATIC_FILE_LENGTH) { |
---|
813 | die("Malformed PERLLIB_PREFIX"); |
---|
814 | } |
---|
815 | strcpy(ret + newl, s + oldl); |
---|
816 | return ret; |
---|
817 | } |
---|
818 | |
---|
819 | extern void dlopen(); |
---|
820 | void *fakedl = &dlopen; /* Pull in dynaloading part. */ |
---|
821 | |
---|
822 | #define sys_is_absolute(path) ( isALPHA((path)[0]) && (path)[1] == ':' \ |
---|
823 | && ((path)[2] == '/' || (path)[2] == '\\')) |
---|
824 | #define sys_is_rooted _fnisabs |
---|
825 | #define sys_is_relative _fnisrel |
---|
826 | #define current_drive _getdrive |
---|
827 | |
---|
828 | #undef chdir /* Was _chdir2. */ |
---|
829 | #define sys_chdir(p) (chdir(p) == 0) |
---|
830 | #define change_drive(d) (_chdrive(d), (current_drive() == toupper(d))) |
---|
831 | |
---|
832 | XS(XS_Cwd_current_drive) |
---|
833 | { |
---|
834 | dXSARGS; |
---|
835 | if (items != 0) |
---|
836 | croak("Usage: Cwd::current_drive()"); |
---|
837 | { |
---|
838 | char RETVAL; |
---|
839 | |
---|
840 | RETVAL = current_drive(); |
---|
841 | ST(0) = sv_newmortal(); |
---|
842 | sv_setpvn(ST(0), (char *)&RETVAL, 1); |
---|
843 | } |
---|
844 | XSRETURN(1); |
---|
845 | } |
---|
846 | |
---|
847 | XS(XS_Cwd_sys_chdir) |
---|
848 | { |
---|
849 | dXSARGS; |
---|
850 | if (items != 1) |
---|
851 | croak("Usage: Cwd::sys_chdir(path)"); |
---|
852 | { |
---|
853 | char * path = (char *)SvPV(ST(0),na); |
---|
854 | bool RETVAL; |
---|
855 | |
---|
856 | RETVAL = sys_chdir(path); |
---|
857 | ST(0) = boolSV(RETVAL); |
---|
858 | if (SvREFCNT(ST(0))) sv_2mortal(ST(0)); |
---|
859 | } |
---|
860 | XSRETURN(1); |
---|
861 | } |
---|
862 | |
---|
863 | XS(XS_Cwd_change_drive) |
---|
864 | { |
---|
865 | dXSARGS; |
---|
866 | if (items != 1) |
---|
867 | croak("Usage: Cwd::change_drive(d)"); |
---|
868 | { |
---|
869 | char d = (char)*SvPV(ST(0),na); |
---|
870 | bool RETVAL; |
---|
871 | |
---|
872 | RETVAL = change_drive(d); |
---|
873 | ST(0) = boolSV(RETVAL); |
---|
874 | if (SvREFCNT(ST(0))) sv_2mortal(ST(0)); |
---|
875 | } |
---|
876 | XSRETURN(1); |
---|
877 | } |
---|
878 | |
---|
879 | XS(XS_Cwd_sys_is_absolute) |
---|
880 | { |
---|
881 | dXSARGS; |
---|
882 | if (items != 1) |
---|
883 | croak("Usage: Cwd::sys_is_absolute(path)"); |
---|
884 | { |
---|
885 | char * path = (char *)SvPV(ST(0),na); |
---|
886 | bool RETVAL; |
---|
887 | |
---|
888 | RETVAL = sys_is_absolute(path); |
---|
889 | ST(0) = boolSV(RETVAL); |
---|
890 | if (SvREFCNT(ST(0))) sv_2mortal(ST(0)); |
---|
891 | } |
---|
892 | XSRETURN(1); |
---|
893 | } |
---|
894 | |
---|
895 | XS(XS_Cwd_sys_is_rooted) |
---|
896 | { |
---|
897 | dXSARGS; |
---|
898 | if (items != 1) |
---|
899 | croak("Usage: Cwd::sys_is_rooted(path)"); |
---|
900 | { |
---|
901 | char * path = (char *)SvPV(ST(0),na); |
---|
902 | bool RETVAL; |
---|
903 | |
---|
904 | RETVAL = sys_is_rooted(path); |
---|
905 | ST(0) = boolSV(RETVAL); |
---|
906 | if (SvREFCNT(ST(0))) sv_2mortal(ST(0)); |
---|
907 | } |
---|
908 | XSRETURN(1); |
---|
909 | } |
---|
910 | |
---|
911 | XS(XS_Cwd_sys_is_relative) |
---|
912 | { |
---|
913 | dXSARGS; |
---|
914 | if (items != 1) |
---|
915 | croak("Usage: Cwd::sys_is_relative(path)"); |
---|
916 | { |
---|
917 | char * path = (char *)SvPV(ST(0),na); |
---|
918 | bool RETVAL; |
---|
919 | |
---|
920 | RETVAL = sys_is_relative(path); |
---|
921 | ST(0) = boolSV(RETVAL); |
---|
922 | if (SvREFCNT(ST(0))) sv_2mortal(ST(0)); |
---|
923 | } |
---|
924 | XSRETURN(1); |
---|
925 | } |
---|
926 | |
---|
927 | XS(XS_Cwd_sys_cwd) |
---|
928 | { |
---|
929 | dXSARGS; |
---|
930 | if (items != 0) |
---|
931 | croak("Usage: Cwd::sys_cwd()"); |
---|
932 | { |
---|
933 | char p[MAXPATHLEN]; |
---|
934 | char * RETVAL; |
---|
935 | RETVAL = _getcwd2(p, MAXPATHLEN); |
---|
936 | ST(0) = sv_newmortal(); |
---|
937 | sv_setpv((SV*)ST(0), RETVAL); |
---|
938 | } |
---|
939 | XSRETURN(1); |
---|
940 | } |
---|
941 | |
---|
942 | XS(XS_Cwd_sys_abspath) |
---|
943 | { |
---|
944 | dXSARGS; |
---|
945 | if (items < 1 || items > 2) |
---|
946 | croak("Usage: Cwd::sys_abspath(path, dir = NULL)"); |
---|
947 | { |
---|
948 | char * path = (char *)SvPV(ST(0),na); |
---|
949 | char * dir; |
---|
950 | char p[MAXPATHLEN]; |
---|
951 | char * RETVAL; |
---|
952 | |
---|
953 | if (items < 2) |
---|
954 | dir = NULL; |
---|
955 | else { |
---|
956 | dir = (char *)SvPV(ST(1),na); |
---|
957 | } |
---|
958 | if (path[0] == '.' && (path[1] == '/' || path[1] == '\\')) { |
---|
959 | path += 2; |
---|
960 | } |
---|
961 | if (dir == NULL) { |
---|
962 | if (_abspath(p, path, MAXPATHLEN) == 0) { |
---|
963 | RETVAL = p; |
---|
964 | } else { |
---|
965 | RETVAL = NULL; |
---|
966 | } |
---|
967 | } else { |
---|
968 | /* Absolute with drive: */ |
---|
969 | if ( sys_is_absolute(path) ) { |
---|
970 | if (_abspath(p, path, MAXPATHLEN) == 0) { |
---|
971 | RETVAL = p; |
---|
972 | } else { |
---|
973 | RETVAL = NULL; |
---|
974 | } |
---|
975 | } else if (path[0] == '/' || path[0] == '\\') { |
---|
976 | /* Rooted, but maybe on different drive. */ |
---|
977 | if (isALPHA(dir[0]) && dir[1] == ':' ) { |
---|
978 | char p1[MAXPATHLEN]; |
---|
979 | |
---|
980 | /* Need to prepend the drive. */ |
---|
981 | p1[0] = dir[0]; |
---|
982 | p1[1] = dir[1]; |
---|
983 | Copy(path, p1 + 2, strlen(path) + 1, char); |
---|
984 | RETVAL = p; |
---|
985 | if (_abspath(p, p1, MAXPATHLEN) == 0) { |
---|
986 | RETVAL = p; |
---|
987 | } else { |
---|
988 | RETVAL = NULL; |
---|
989 | } |
---|
990 | } else if (_abspath(p, path, MAXPATHLEN) == 0) { |
---|
991 | RETVAL = p; |
---|
992 | } else { |
---|
993 | RETVAL = NULL; |
---|
994 | } |
---|
995 | } else { |
---|
996 | /* Either path is relative, or starts with a drive letter. */ |
---|
997 | /* If the path starts with a drive letter, then dir is |
---|
998 | relevant only if |
---|
999 | a/b) it is absolute/x:relative on the same drive. |
---|
1000 | c) path is on current drive, and dir is rooted |
---|
1001 | In all the cases it is safe to drop the drive part |
---|
1002 | of the path. */ |
---|
1003 | if ( !sys_is_relative(path) ) { |
---|
1004 | int is_drived; |
---|
1005 | |
---|
1006 | if ( ( ( sys_is_absolute(dir) |
---|
1007 | || (isALPHA(dir[0]) && dir[1] == ':' |
---|
1008 | && strnicmp(dir, path,1) == 0)) |
---|
1009 | && strnicmp(dir, path,1) == 0) |
---|
1010 | || ( !(isALPHA(dir[0]) && dir[1] == ':') |
---|
1011 | && toupper(path[0]) == current_drive())) { |
---|
1012 | path += 2; |
---|
1013 | } else if (_abspath(p, path, MAXPATHLEN) == 0) { |
---|
1014 | RETVAL = p; goto done; |
---|
1015 | } else { |
---|
1016 | RETVAL = NULL; goto done; |
---|
1017 | } |
---|
1018 | } |
---|
1019 | { |
---|
1020 | /* Need to prepend the absolute path of dir. */ |
---|
1021 | char p1[MAXPATHLEN]; |
---|
1022 | |
---|
1023 | if (_abspath(p1, dir, MAXPATHLEN) == 0) { |
---|
1024 | int l = strlen(p1); |
---|
1025 | |
---|
1026 | if (p1[ l - 1 ] != '/') { |
---|
1027 | p1[ l ] = '/'; |
---|
1028 | l++; |
---|
1029 | } |
---|
1030 | Copy(path, p1 + l, strlen(path) + 1, char); |
---|
1031 | if (_abspath(p, p1, MAXPATHLEN) == 0) { |
---|
1032 | RETVAL = p; |
---|
1033 | } else { |
---|
1034 | RETVAL = NULL; |
---|
1035 | } |
---|
1036 | } else { |
---|
1037 | RETVAL = NULL; |
---|
1038 | } |
---|
1039 | } |
---|
1040 | done: |
---|
1041 | } |
---|
1042 | } |
---|
1043 | ST(0) = sv_newmortal(); |
---|
1044 | sv_setpv((SV*)ST(0), RETVAL); |
---|
1045 | } |
---|
1046 | XSRETURN(1); |
---|
1047 | } |
---|
1048 | typedef APIRET (*PELP)(PSZ path, ULONG type); |
---|
1049 | |
---|
1050 | APIRET |
---|
1051 | ExtLIBPATH(ULONG ord, PSZ path, ULONG type) |
---|
1052 | { |
---|
1053 | loadByOrd(ord); /* Guarantied to load or die! */ |
---|
1054 | return (*(PELP)ExtFCN[ord])(path, type); |
---|
1055 | } |
---|
1056 | |
---|
1057 | #define extLibpath(type) \ |
---|
1058 | (CheckOSError(ExtLIBPATH(ORD_QUERY_ELP, to, ((type) ? END_LIBPATH \ |
---|
1059 | : BEGIN_LIBPATH))) \ |
---|
1060 | ? NULL : to ) |
---|
1061 | |
---|
1062 | #define extLibpath_set(p,type) \ |
---|
1063 | (!CheckOSError(ExtLIBPATH(ORD_SET_ELP, (p), ((type) ? END_LIBPATH \ |
---|
1064 | : BEGIN_LIBPATH)))) |
---|
1065 | |
---|
1066 | XS(XS_Cwd_extLibpath) |
---|
1067 | { |
---|
1068 | dXSARGS; |
---|
1069 | if (items < 0 || items > 1) |
---|
1070 | croak("Usage: Cwd::extLibpath(type = 0)"); |
---|
1071 | { |
---|
1072 | bool type; |
---|
1073 | char to[1024]; |
---|
1074 | U32 rc; |
---|
1075 | char * RETVAL; |
---|
1076 | |
---|
1077 | if (items < 1) |
---|
1078 | type = 0; |
---|
1079 | else { |
---|
1080 | type = (int)SvIV(ST(0)); |
---|
1081 | } |
---|
1082 | |
---|
1083 | RETVAL = extLibpath(type); |
---|
1084 | ST(0) = sv_newmortal(); |
---|
1085 | sv_setpv((SV*)ST(0), RETVAL); |
---|
1086 | } |
---|
1087 | XSRETURN(1); |
---|
1088 | } |
---|
1089 | |
---|
1090 | XS(XS_Cwd_extLibpath_set) |
---|
1091 | { |
---|
1092 | dXSARGS; |
---|
1093 | if (items < 1 || items > 2) |
---|
1094 | croak("Usage: Cwd::extLibpath_set(s, type = 0)"); |
---|
1095 | { |
---|
1096 | char * s = (char *)SvPV(ST(0),na); |
---|
1097 | bool type; |
---|
1098 | U32 rc; |
---|
1099 | bool RETVAL; |
---|
1100 | |
---|
1101 | if (items < 2) |
---|
1102 | type = 0; |
---|
1103 | else { |
---|
1104 | type = (int)SvIV(ST(1)); |
---|
1105 | } |
---|
1106 | |
---|
1107 | RETVAL = extLibpath_set(s, type); |
---|
1108 | ST(0) = boolSV(RETVAL); |
---|
1109 | if (SvREFCNT(ST(0))) sv_2mortal(ST(0)); |
---|
1110 | } |
---|
1111 | XSRETURN(1); |
---|
1112 | } |
---|
1113 | |
---|
1114 | int |
---|
1115 | Xs_OS2_init() |
---|
1116 | { |
---|
1117 | char *file = __FILE__; |
---|
1118 | { |
---|
1119 | GV *gv; |
---|
1120 | |
---|
1121 | if (_emx_env & 0x200) { /* OS/2 */ |
---|
1122 | newXS("File::Copy::syscopy", XS_File__Copy_syscopy, file); |
---|
1123 | newXS("Cwd::extLibpath", XS_Cwd_extLibpath, file); |
---|
1124 | newXS("Cwd::extLibpath_set", XS_Cwd_extLibpath_set, file); |
---|
1125 | } |
---|
1126 | newXS("DynaLoader::mod2fname", XS_DynaLoader_mod2fname, file); |
---|
1127 | newXS("Cwd::current_drive", XS_Cwd_current_drive, file); |
---|
1128 | newXS("Cwd::sys_chdir", XS_Cwd_sys_chdir, file); |
---|
1129 | newXS("Cwd::change_drive", XS_Cwd_change_drive, file); |
---|
1130 | newXS("Cwd::sys_is_absolute", XS_Cwd_sys_is_absolute, file); |
---|
1131 | newXS("Cwd::sys_is_rooted", XS_Cwd_sys_is_rooted, file); |
---|
1132 | newXS("Cwd::sys_is_relative", XS_Cwd_sys_is_relative, file); |
---|
1133 | newXS("Cwd::sys_cwd", XS_Cwd_sys_cwd, file); |
---|
1134 | newXS("Cwd::sys_abspath", XS_Cwd_sys_abspath, file); |
---|
1135 | gv = gv_fetchpv("OS2::is_aout", TRUE, SVt_PV); |
---|
1136 | GvMULTI_on(gv); |
---|
1137 | #ifdef PERL_IS_AOUT |
---|
1138 | sv_setiv(GvSV(gv), 1); |
---|
1139 | #endif |
---|
1140 | } |
---|
1141 | } |
---|
1142 | |
---|
1143 | OS2_Perl_data_t OS2_Perl_data; |
---|
1144 | |
---|
1145 | void |
---|
1146 | Perl_OS2_init(char **env) |
---|
1147 | { |
---|
1148 | char *shell; |
---|
1149 | |
---|
1150 | settmppath(); |
---|
1151 | OS2_Perl_data.xs_init = &Xs_OS2_init; |
---|
1152 | if (environ == NULL) { |
---|
1153 | environ = env; |
---|
1154 | } |
---|
1155 | if ( (shell = getenv("PERL_SH_DRIVE")) ) { |
---|
1156 | New(1304, sh_path, strlen(SH_PATH) + 1, char); |
---|
1157 | strcpy(sh_path, SH_PATH); |
---|
1158 | sh_path[0] = shell[0]; |
---|
1159 | } else if ( (shell = getenv("PERL_SH_DIR")) ) { |
---|
1160 | int l = strlen(shell), i; |
---|
1161 | if (shell[l-1] == '/' || shell[l-1] == '\\') { |
---|
1162 | l--; |
---|
1163 | } |
---|
1164 | New(1304, sh_path, l + 8, char); |
---|
1165 | strncpy(sh_path, shell, l); |
---|
1166 | strcpy(sh_path + l, "/sh.exe"); |
---|
1167 | for (i = 0; i < l; i++) { |
---|
1168 | if (sh_path[i] == '\\') sh_path[i] = '/'; |
---|
1169 | } |
---|
1170 | } |
---|
1171 | } |
---|
1172 | |
---|
1173 | #undef tmpnam |
---|
1174 | #undef tmpfile |
---|
1175 | |
---|
1176 | char * |
---|
1177 | my_tmpnam (char *str) |
---|
1178 | { |
---|
1179 | char *p = getenv("TMP"), *tpath; |
---|
1180 | int len; |
---|
1181 | |
---|
1182 | if (!p) p = getenv("TEMP"); |
---|
1183 | tpath = tempnam(p, "pltmp"); |
---|
1184 | if (str && tpath) { |
---|
1185 | strcpy(str, tpath); |
---|
1186 | return str; |
---|
1187 | } |
---|
1188 | return tpath; |
---|
1189 | } |
---|
1190 | |
---|
1191 | FILE * |
---|
1192 | my_tmpfile () |
---|
1193 | { |
---|
1194 | struct stat s; |
---|
1195 | |
---|
1196 | stat(".", &s); |
---|
1197 | if (s.st_mode & S_IWOTH) { |
---|
1198 | return tmpfile(); |
---|
1199 | } |
---|
1200 | return fopen(my_tmpnam(NULL), "w+b"); /* Race condition, but |
---|
1201 | grants TMP. */ |
---|
1202 | } |
---|
1203 | |
---|
1204 | #undef flock |
---|
1205 | |
---|
1206 | /* This code was contributed by Rocco Caputo. */ |
---|
1207 | int |
---|
1208 | my_flock(int handle, int op) |
---|
1209 | { |
---|
1210 | FILELOCK rNull, rFull; |
---|
1211 | ULONG timeout, handle_type, flag_word; |
---|
1212 | APIRET rc; |
---|
1213 | int blocking, shared; |
---|
1214 | static int use_my = -1; |
---|
1215 | |
---|
1216 | if (use_my == -1) { |
---|
1217 | char *s = getenv("USE_PERL_FLOCK"); |
---|
1218 | if (s) |
---|
1219 | use_my = atoi(s); |
---|
1220 | else |
---|
1221 | use_my = 1; |
---|
1222 | } |
---|
1223 | if (!(_emx_env & 0x200) || !use_my) |
---|
1224 | return flock(handle, op); /* Delegate to EMX. */ |
---|
1225 | |
---|
1226 | // is this a file? |
---|
1227 | if ((DosQueryHType(handle, &handle_type, &flag_word) != 0) || |
---|
1228 | (handle_type & 0xFF)) |
---|
1229 | { |
---|
1230 | errno = EBADF; |
---|
1231 | return -1; |
---|
1232 | } |
---|
1233 | // set lock/unlock ranges |
---|
1234 | rNull.lOffset = rNull.lRange = rFull.lOffset = 0; |
---|
1235 | rFull.lRange = 0x7FFFFFFF; |
---|
1236 | // set timeout for blocking |
---|
1237 | timeout = ((blocking = !(op & LOCK_NB))) ? 100 : 1; |
---|
1238 | // shared or exclusive? |
---|
1239 | shared = (op & LOCK_SH) ? 1 : 0; |
---|
1240 | // do not block the unlock |
---|
1241 | if (op & (LOCK_UN | LOCK_SH | LOCK_EX)) { |
---|
1242 | rc = DosSetFileLocks(handle, &rFull, &rNull, timeout, shared); |
---|
1243 | switch (rc) { |
---|
1244 | case 0: |
---|
1245 | errno = 0; |
---|
1246 | return 0; |
---|
1247 | case ERROR_INVALID_HANDLE: |
---|
1248 | errno = EBADF; |
---|
1249 | return -1; |
---|
1250 | case ERROR_SHARING_BUFFER_EXCEEDED: |
---|
1251 | errno = ENOLCK; |
---|
1252 | return -1; |
---|
1253 | case ERROR_LOCK_VIOLATION: |
---|
1254 | break; // not an error |
---|
1255 | case ERROR_INVALID_PARAMETER: |
---|
1256 | case ERROR_ATOMIC_LOCK_NOT_SUPPORTED: |
---|
1257 | case ERROR_READ_LOCKS_NOT_SUPPORTED: |
---|
1258 | errno = EINVAL; |
---|
1259 | return -1; |
---|
1260 | case ERROR_INTERRUPT: |
---|
1261 | errno = EINTR; |
---|
1262 | return -1; |
---|
1263 | default: |
---|
1264 | errno = EINVAL; |
---|
1265 | return -1; |
---|
1266 | } |
---|
1267 | } |
---|
1268 | // lock may block |
---|
1269 | if (op & (LOCK_SH | LOCK_EX)) { |
---|
1270 | // for blocking operations |
---|
1271 | for (;;) { |
---|
1272 | rc = |
---|
1273 | DosSetFileLocks( |
---|
1274 | handle, |
---|
1275 | &rNull, |
---|
1276 | &rFull, |
---|
1277 | timeout, |
---|
1278 | shared |
---|
1279 | ); |
---|
1280 | switch (rc) { |
---|
1281 | case 0: |
---|
1282 | errno = 0; |
---|
1283 | return 0; |
---|
1284 | case ERROR_INVALID_HANDLE: |
---|
1285 | errno = EBADF; |
---|
1286 | return -1; |
---|
1287 | case ERROR_SHARING_BUFFER_EXCEEDED: |
---|
1288 | errno = ENOLCK; |
---|
1289 | return -1; |
---|
1290 | case ERROR_LOCK_VIOLATION: |
---|
1291 | if (!blocking) { |
---|
1292 | errno = EWOULDBLOCK; |
---|
1293 | return -1; |
---|
1294 | } |
---|
1295 | break; |
---|
1296 | case ERROR_INVALID_PARAMETER: |
---|
1297 | case ERROR_ATOMIC_LOCK_NOT_SUPPORTED: |
---|
1298 | case ERROR_READ_LOCKS_NOT_SUPPORTED: |
---|
1299 | errno = EINVAL; |
---|
1300 | return -1; |
---|
1301 | case ERROR_INTERRUPT: |
---|
1302 | errno = EINTR; |
---|
1303 | return -1; |
---|
1304 | default: |
---|
1305 | errno = EINVAL; |
---|
1306 | return -1; |
---|
1307 | } |
---|
1308 | // give away timeslice |
---|
1309 | DosSleep(1); |
---|
1310 | } |
---|
1311 | } |
---|
1312 | |
---|
1313 | errno = 0; |
---|
1314 | return 0; |
---|
1315 | } |
---|