| 1 | /* Definitions for managing subprocesses in GNU Make. |
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| 2 | Copyright (C) 1992, 1993, 1996, 1999 Free Software Foundation, Inc. |
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| 3 | This file is part of GNU Make. |
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| 4 | |
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| 5 | GNU Make is free software; you can redistribute it and/or modify |
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| 6 | it under the terms of the GNU General Public License as published by |
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| 7 | the Free Software Foundation; either version 2, or (at your option) |
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| 8 | any later version. |
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| 9 | |
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| 10 | GNU Make is distributed in the hope that it will be useful, |
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| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 13 | GNU General Public License for more details. |
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| 14 | |
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| 15 | You should have received a copy of the GNU General Public License |
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| 16 | along with GNU Make; see the file COPYING. If not, write to |
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| 17 | the Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
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| 18 | Boston, MA 02111-1307, USA. */ |
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| 19 | |
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| 20 | #ifndef SEEN_JOB_H |
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| 21 | #define SEEN_JOB_H |
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| 22 | |
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| 23 | /* Structure describing a running or dead child process. */ |
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| 24 | |
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| 25 | struct child |
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| 26 | { |
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| 27 | struct child *next; /* Link in the chain. */ |
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| 28 | |
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| 29 | struct file *file; /* File being remade. */ |
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| 30 | |
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| 31 | char **environment; /* Environment for commands. */ |
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| 32 | |
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| 33 | char **command_lines; /* Array of variable-expanded cmd lines. */ |
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| 34 | unsigned int command_line; /* Index into above. */ |
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| 35 | char *command_ptr; /* Ptr into command_lines[command_line]. */ |
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| 36 | |
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| 37 | pid_t pid; /* Child process's ID number. */ |
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| 38 | #ifdef VMS |
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| 39 | int efn; /* Completion event flag number */ |
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| 40 | int cstatus; /* Completion status */ |
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| 41 | #endif |
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| 42 | char *sh_batch_file; /* Script file for shell commands */ |
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| 43 | unsigned int remote:1; /* Nonzero if executing remotely. */ |
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| 44 | |
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| 45 | unsigned int noerror:1; /* Nonzero if commands contained a `-'. */ |
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| 46 | |
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| 47 | unsigned int good_stdin:1; /* Nonzero if this child has a good stdin. */ |
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| 48 | unsigned int deleted:1; /* Nonzero if targets have been deleted. */ |
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| 49 | }; |
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| 50 | |
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| 51 | extern struct child *children; |
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| 52 | |
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| 53 | extern void new_job PARAMS ((struct file *file)); |
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| 54 | extern void reap_children PARAMS ((int block, int err)); |
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| 55 | extern void start_waiting_jobs PARAMS ((void)); |
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| 56 | |
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| 57 | extern char **construct_command_argv PARAMS ((char *line, char **restp, struct file *file, char** batch_file)); |
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| 58 | #ifdef VMS |
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| 59 | extern int child_execute_job PARAMS ((char *argv, struct child *child)); |
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| 60 | #else |
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| 61 | extern void child_execute_job PARAMS ((int stdin_fd, int stdout_fd, char **argv, char **envp)); |
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| 62 | #endif |
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| 63 | #ifdef _AMIGA |
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| 64 | extern void exec_command PARAMS ((char **argv)); |
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| 65 | #else |
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| 66 | extern void exec_command PARAMS ((char **argv, char **envp)); |
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| 67 | #endif |
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| 68 | |
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| 69 | extern unsigned int job_slots_used; |
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| 70 | |
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| 71 | extern void block_sigs PARAMS ((void)); |
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| 72 | #ifdef POSIX |
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| 73 | extern void unblock_sigs PARAMS ((void)); |
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| 74 | #else |
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| 75 | #ifdef HAVE_SIGSETMASK |
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| 76 | extern int fatal_signal_mask; |
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| 77 | #define unblock_sigs() sigsetmask (0) |
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| 78 | #else |
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| 79 | #define unblock_sigs() |
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| 80 | #endif |
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| 81 | #endif |
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| 82 | |
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| 83 | #endif /* SEEN_JOB_H */ |
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