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(suspend_with_cancellation): Rewrite as a macro.

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This commit is contained in:
Ulrich Drepper 1999-11-10 05:01:52 +00:00
parent ed0d2f1a16
commit ecea506939
1 changed files with 22 additions and 21 deletions
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43
linuxthreads/restart.h
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@ -33,25 +33,26 @@ static inline void suspend(pthread_descr self)
} while (self->p_signal !=__pthread_sig_restart );
}
static inline void suspend_with_cancellation(pthread_descr self)
{
sigset_t mask;
sigjmp_buf jmpbuf;
sigprocmask(SIG_SETMASK, NULL, &mask); /* Get current signal mask */
sigdelset(&mask, __pthread_sig_restart); /* Unblock the restart signal */
/* No need to save the signal mask, we'll restore it ourselves */
if (sigsetjmp(jmpbuf, 0) == 0) {
self->p_cancel_jmp = &jmpbuf;
if (! (self->p_canceled && self->p_cancelstate == PTHREAD_CANCEL_ENABLE)) {
do {
self->p_signal = 0;
sigsuspend(&mask); /* Wait for a signal */
} while (self->p_signal != __pthread_sig_restart);
}
self->p_cancel_jmp = NULL;
} else {
sigaddset(&mask, __pthread_sig_restart); /* Reblock the restart signal */
sigprocmask(SIG_SETMASK, &mask, NULL);
}
#define suspend_with_cancellation(self) \
{ \
sigset_t mask; \
sigjmp_buf jmpbuf; \
\
sigprocmask(SIG_SETMASK, NULL, &mask); /* Get current signal mask */ \
sigdelset(&mask, __pthread_sig_restart); /* Unblock the restart signal */ \
/* No need to save the signal mask, we'll restore it ourselves */ \
if (sigsetjmp(jmpbuf, 0) == 0) { \
self->p_cancel_jmp = &jmpbuf; \
if (! (self->p_canceled \
&& self->p_cancelstate == PTHREAD_CANCEL_ENABLE)) { \
do { \
self->p_signal = 0; \
sigsuspend(&mask); /* Wait for a signal */ \
} while (self->p_signal != __pthread_sig_restart); \
} \
self->p_cancel_jmp = NULL; \
} else { \
sigaddset(&mask, __pthread_sig_restart); /* Reblock the restart signal */ \
sigprocmask(SIG_SETMASK, &mask, NULL); \
} \
}