| Revision 11056,
519 bytes
checked in by ghudson, 27 years ago
(diff) |
|
From svalente: only define LOCK_SH et al if they aren't already defiend.
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-
Property svn:executable set to
*
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| Line | |
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| 1 | /* |
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| 2 | * BSD functions in POSIX |
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| 3 | */ |
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| 4 | |
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| 5 | #ifndef LOCK_SH |
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| 6 | #define LOCK_SH 1 /* shared lock */ |
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| 7 | #define LOCK_EX 2 /* exclusive lock */ |
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| 8 | #define LOCK_NB 4 /* don't block when locking */ |
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| 9 | #define LOCK_UN 8 /* unlock */ |
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| 10 | #endif |
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| 11 | |
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| 12 | int |
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| 13 | flock(int fd, int operation); |
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| 14 | |
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| 15 | typedef void Sigfunc(int); /* for signal handlers */ |
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| 16 | |
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| 17 | /* 4.3BSD Reno <signal.h> doesn't define SIG_ERR */ |
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| 18 | #if defined(SIG_IGN) && !defined(SIG_ERR) |
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| 19 | #define SIG_ERR ((Sigfunc *)-1) |
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| 20 | #endif |
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| 21 | |
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| 22 | Sigfunc * |
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| 23 | signal(int signo, Sigfunc *func); |
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