diff options
Diffstat (limited to 'nptl/pthread_mutex_timedlock.c')
| -rw-r--r-- | nptl/pthread_mutex_timedlock.c | 60 |
1 files changed, 24 insertions, 36 deletions
diff --git a/nptl/pthread_mutex_timedlock.c b/nptl/pthread_mutex_timedlock.c index 76b93bddc6..eb4baae93b 100644 --- a/nptl/pthread_mutex_timedlock.c +++ b/nptl/pthread_mutex_timedlock.c @@ -25,6 +25,7 @@ #include <atomic.h> #include <lowlevellock.h> #include <not-cancel.h> +#include <futex-internal.h> #include <stap-probe.h> @@ -377,39 +378,29 @@ __pthread_mutex_clocklock_common (pthread_mutex_t *mutex, int private = (robust ? PTHREAD_ROBUST_MUTEX_PSHARED (mutex) : PTHREAD_MUTEX_PSHARED (mutex)); - INTERNAL_SYSCALL_DECL (__err); - - int e = INTERNAL_SYSCALL (futex, __err, 4, &mutex->__data.__lock, - __lll_private_flag (FUTEX_LOCK_PI, - private), 1, - abstime); - if (INTERNAL_SYSCALL_ERROR_P (e, __err)) + int e = futex_lock_pi ((unsigned int *) &mutex->__data.__lock, + abstime, private); + if (e == ETIMEDOUT) + return ETIMEDOUT; + else if (e == ESRCH || e == EDEADLK) { - if (INTERNAL_SYSCALL_ERRNO (e, __err) == ETIMEDOUT) - return ETIMEDOUT; - - if (INTERNAL_SYSCALL_ERRNO (e, __err) == ESRCH - || INTERNAL_SYSCALL_ERRNO (e, __err) == EDEADLK) - { - assert (INTERNAL_SYSCALL_ERRNO (e, __err) != EDEADLK - || (kind != PTHREAD_MUTEX_ERRORCHECK_NP - && kind != PTHREAD_MUTEX_RECURSIVE_NP)); - /* ESRCH can happen only for non-robust PI mutexes where - the owner of the lock died. */ - assert (INTERNAL_SYSCALL_ERRNO (e, __err) != ESRCH - || !robust); - - /* Delay the thread until the timeout is reached. - Then return ETIMEDOUT. */ - do - e = lll_timedwait (&(int){0}, 0, clockid, abstime, - private); - while (e != ETIMEDOUT); - return ETIMEDOUT; - } - - return INTERNAL_SYSCALL_ERRNO (e, __err); + assert (e != EDEADLK + || (kind != PTHREAD_MUTEX_ERRORCHECK_NP + && kind != PTHREAD_MUTEX_RECURSIVE_NP)); + /* ESRCH can happen only for non-robust PI mutexes where + the owner of the lock died. */ + assert (e != ESRCH || !robust); + + /* Delay the thread until the timeout is reached. Then return + ETIMEDOUT. */ + do + e = lll_timedwait (&(int){0}, 0, clockid, abstime, + private); + while (e != ETIMEDOUT); + return ETIMEDOUT; } + else if (e != 0) + return e; oldval = mutex->__data.__lock; @@ -447,11 +438,8 @@ __pthread_mutex_clocklock_common (pthread_mutex_t *mutex, /* This mutex is now not recoverable. */ mutex->__data.__count = 0; - INTERNAL_SYSCALL_DECL (__err); - INTERNAL_SYSCALL (futex, __err, 4, &mutex->__data.__lock, - __lll_private_flag (FUTEX_UNLOCK_PI, - PTHREAD_ROBUST_MUTEX_PSHARED (mutex)), - 0, 0); + futex_unlock_pi ((unsigned int *) &mutex->__data.__lock, + PTHREAD_ROBUST_MUTEX_PSHARED (mutex)); /* To the kernel, this will be visible after the kernel has acquired the mutex in the syscall. */ |