diff options
Diffstat (limited to 'nptl/pthread_mutex_timedlock.c')
-rw-r--r-- | nptl/pthread_mutex_timedlock.c | 40 |
1 files changed, 30 insertions, 10 deletions
diff --git a/nptl/pthread_mutex_timedlock.c b/nptl/pthread_mutex_timedlock.c index 10a9989a67..52c258e33d 100644 --- a/nptl/pthread_mutex_timedlock.c +++ b/nptl/pthread_mutex_timedlock.c @@ -42,15 +42,14 @@ #endif int -__pthread_mutex_timedlock (pthread_mutex_t *mutex, - const struct timespec *abstime) +__pthread_mutex_clocklock_common (pthread_mutex_t *mutex, + clockid_t clockid, + const struct timespec *abstime) { int oldval; pid_t id = THREAD_GETMEM (THREAD_SELF, tid); int result = 0; - LIBC_PROBE (mutex_timedlock_entry, 2, mutex, abstime); - /* We must not check ABSTIME here. If the thread does not block abstime must not be checked for a valid value. */ @@ -76,7 +75,7 @@ __pthread_mutex_timedlock (pthread_mutex_t *mutex, } /* We have to get the mutex. */ - result = lll_clocklock (mutex->__data.__lock, CLOCK_REALTIME, abstime, + result = lll_clocklock (mutex->__data.__lock, clockid, abstime, PTHREAD_MUTEX_PSHARED (mutex)); if (result != 0) @@ -99,7 +98,7 @@ __pthread_mutex_timedlock (pthread_mutex_t *mutex, FORCE_ELISION (mutex, goto elision); simple: /* Normal mutex. */ - result = lll_clocklock (mutex->__data.__lock, CLOCK_REALTIME, abstime, + result = lll_clocklock (mutex->__data.__lock, clockid, abstime, PTHREAD_MUTEX_PSHARED (mutex)); break; @@ -108,7 +107,7 @@ __pthread_mutex_timedlock (pthread_mutex_t *mutex, /* Don't record ownership */ return lll_clocklock_elision (mutex->__data.__lock, mutex->__data.__spins, - CLOCK_REALTIME, abstime, + clockid, abstime, PTHREAD_MUTEX_PSHARED (mutex)); @@ -126,7 +125,7 @@ __pthread_mutex_timedlock (pthread_mutex_t *mutex, if (cnt++ >= max_cnt) { result = lll_clocklock (mutex->__data.__lock, - CLOCK_REALTIME, abstime, + clockid, abstime, PTHREAD_MUTEX_PSHARED (mutex)); break; } @@ -269,7 +268,7 @@ __pthread_mutex_timedlock (pthread_mutex_t *mutex, /* Block using the futex. */ int err = lll_futex_clock_wait_bitset (&mutex->__data.__lock, - oldval, CLOCK_REALTIME, abstime, + oldval, clockid, abstime, PTHREAD_ROBUST_MUTEX_PSHARED (mutex)); /* The futex call timed out. */ if (err == -ETIMEDOUT) @@ -405,7 +404,7 @@ __pthread_mutex_timedlock (pthread_mutex_t *mutex, struct timespec reltime; struct timespec now; - INTERNAL_SYSCALL (clock_gettime, __err, 2, CLOCK_REALTIME, + INTERNAL_SYSCALL (clock_gettime, __err, 2, clockid, &now); reltime.tv_sec = abstime->tv_sec - now.tv_sec; reltime.tv_nsec = abstime->tv_nsec - now.tv_nsec; @@ -623,4 +622,25 @@ __pthread_mutex_timedlock (pthread_mutex_t *mutex, out: return result; } + +int +__pthread_mutex_clocklock (pthread_mutex_t *mutex, + clockid_t clockid, + const struct timespec *abstime) +{ + if (__glibc_unlikely (!lll_futex_supported_clockid (clockid))) + return EINVAL; + + LIBC_PROBE (mutex_clocklock_entry, 3, mutex, clockid, abstime); + return __pthread_mutex_clocklock_common (mutex, clockid, abstime); +} +weak_alias (__pthread_mutex_clocklock, pthread_mutex_clocklock) + +int +__pthread_mutex_timedlock (pthread_mutex_t *mutex, + const struct timespec *abstime) +{ + LIBC_PROBE (mutex_timedlock_entry, 2, mutex, abstime); + return __pthread_mutex_clocklock_common (mutex, CLOCK_REALTIME, abstime); +} weak_alias (__pthread_mutex_timedlock, pthread_mutex_timedlock) |