RepoMirrors/musl
1
0
Fork 0
mirror of git://git.musl-libc.org/musl synced 2024-12-15 03:05:15 +00:00
Code Issues Packages Projects Releases Wiki Activity

fix off-by-one error in sem_(timed)wait (using old sem value instead of new)

Browse Source
This commit is contained in:
Rich Felker 2011-03-07 18:09:24 -05:00
parent 5fd4a98165
commit 9fe28f703d
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
src/thread/sem_timedwait.c
View File

@ -7,7 +7,7 @@ int sem_timedwait(sem_t *sem, const struct timespec *at)
for (;;) {
if (a_fetch_add(sem->__val, -1) > 0) return 0;
val = a_fetch_add(sem->__val, 1);
val = a_fetch_add(sem->__val, 1)+1;
CANCELPT_BEGIN;
if (val <= 0 && __timedwait(sem->__val, val, CLOCK_REALTIME, at, 0) == ETIMEDOUT) {
errno = ETIMEDOUT;