diff options
Diffstat (limited to 'nptl/sysdeps/unix/sysv/linux/sem_timedwait.c')
| -rw-r--r-- | nptl/sysdeps/unix/sysv/linux/sem_timedwait.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/nptl/sysdeps/unix/sysv/linux/sem_timedwait.c b/nptl/sysdeps/unix/sysv/linux/sem_timedwait.c index 8a65ce2567..ef897c1e93 100644 --- a/nptl/sysdeps/unix/sysv/linux/sem_timedwait.c +++ b/nptl/sysdeps/unix/sysv/linux/sem_timedwait.c @@ -24,12 +24,16 @@ #include <internaltypes.h> #include <semaphore.h> +#include <pthreadP.h> #include <shlib-compat.h> int sem_timedwait (sem_t *sem, const struct timespec *abstime) { + /* First check for cancellation. */ + CANCELLATION_P (THREAD_SELF); + int *futex = (int *) sem; int val; int err; @@ -71,7 +75,15 @@ sem_timedwait (sem_t *sem, const struct timespec *abstime) /* Do wait. */ rt.tv_sec = sec; rt.tv_nsec = nsec; + + /* Enable asynchronous cancellation. Required by the standard. */ + int oldtype = __pthread_enable_asynccancel (); + err = lll_futex_timed_wait (futex, 0, &rt); + + /* Disable asynchronous cancellation. */ + __pthread_disable_asynccancel (oldtype); + if (err != 0 && err != -EWOULDBLOCK) goto error_return; |