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authorRich Felker <dalias@aerifal.cx>2011-03-16 11:35:46 -0400
committerRich Felker <dalias@aerifal.cx>2011-03-16 11:35:46 -0400
commitcc832d8a31e674c3d8ee7168e4a613b5bf8124e0 (patch)
treef13bcb40285df882b6c189f4b1e9e31ce6caec4d
parent4d9cc0b399b1d6a146cb45e64c74b7ee562de7a6 (diff)
downloadmusl-cc832d8a31e674c3d8ee7168e4a613b5bf8124e0.tar.gz
don't expose EAGAIN, etc. from timed futex wait to caller
-rw-r--r--src/thread/__timedwait.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/src/thread/__timedwait.c b/src/thread/__timedwait.c
index 354def2c..988eb70d 100644
--- a/src/thread/__timedwait.c
+++ b/src/thread/__timedwait.c
@@ -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;
}