39 lines
696 B
C
39 lines
696 B
C
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/*
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* sigmisc.c - used to get a signal mask
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*/
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/* $Header$ */
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#if defined(_POSIX_SOURCE)
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/* This can't be done in setjmp.e, since SIG_SETMASK is defined in
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* <signal.h>. This is a C-file, which can't be included.
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*/
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#include <signal.h>
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#include <stddef.h>
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int _sigprocmask(int, sigset_t *, sigset_t *);
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static void
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__testsigset(void) {
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/* This switch compiles when a sigset_t has the right size. */
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switch(0) {
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case 0:
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case sizeof(sigset_t) <= sizeof(long): break;
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}
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}
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void
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__newsigset(sigset_t *p)
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{
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/* The SIG_SETMASK is not significant */
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_sigprocmask(SIG_SETMASK, NULL, p);
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}
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void
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__oldsigset(sigset_t *p)
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{
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_sigprocmask(SIG_SETMASK, p, NULL);
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}
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#endif /* _POSIX_SOURCE */
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