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don't expose EAGAIN, etc. from timed futex wait to caller

This commit is contained in:
Rich Felker 2011-03-16 11:35:46 -04:00
parent 4d9cc0b399
commit cc832d8a31
1 changed files with 4 additions and 1 deletions
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5
src/thread/__timedwait.c
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@ -6,6 +6,7 @@
#include <stdio.h>
int __timedwait(volatile int *addr, int val, clockid_t clk, const struct timespec *at, int priv)
{
int r;
struct timespec to;
if (at) {
clock_gettime(clk, &to);
@ -17,5 +18,7 @@ int __timedwait(volatile int *addr, int val, clockid_t clk, const struct timespe
if (to.tv_sec < 0) return ETIMEDOUT;
}
if (priv) priv = 128; priv=0;
return syscall4(__NR_futex, (long)addr, FUTEX_WAIT | priv, val, at ? (long)&to : 0);
r = syscall4(__NR_futex, (long)addr, FUTEX_WAIT | priv, val, at ? (long)&to : 0);
if (r == ETIMEDOUT) return r;
return 0;
}