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don't fail with EINTR in sigtimedwait

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POSIX allows either behavior, but sigwait is not allowed to fail with
EINTR, so the retry loop would have to be in one or the other anyway.
This commit is contained in:
Rich Felker
2011-03-10 10:43:09 -05:00
parent 0558683d3d
commit 0a949ebdf0
1 changed files with 6 additions and 6 deletions
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12
src/signal/sigtimedwait.c
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@ -1,12 +1,12 @@
#include <signal.h> #include <signal.h>
#include <errno.h>
#include "syscall.h" #include "syscall.h"
int sigtimedwait(const sigset_t *mask, siginfo_t *si, const struct timespec *timeout) int sigtimedwait(const sigset_t *mask, siginfo_t *si, const struct timespec *timeout)
{ {
long k_timeout[2]; int ret;
if (timeout) { do {
k_timeout[0] = timeout->tv_sec; ret = syscall4(__NR_rt_sigtimedwait, (long)mask, (long)si, (long)timeout, SYSCALL_SIGSET_SIZE);
k_timeout[1] = timeout->tv_nsec; } while (ret<0 && errno==EINTR);
} return ret;
return syscall4(__NR_rt_sigtimedwait, (long)mask, (long)si, timeout ? (long)k_timeout : 0, SYSCALL_SIGSET_SIZE);
} }