diff options
Diffstat (limited to 'lib/libkse/thread/thr_mutex.c')
| -rw-r--r-- | lib/libkse/thread/thr_mutex.c | 48 |
1 files changed, 16 insertions, 32 deletions
diff --git a/lib/libkse/thread/thr_mutex.c b/lib/libkse/thread/thr_mutex.c index 82a26e8..e6be6de 100644 --- a/lib/libkse/thread/thr_mutex.c +++ b/lib/libkse/thread/thr_mutex.c @@ -46,8 +46,7 @@ pthread_mutex_init(pthread_mutex_t * mutex, int status; if (mutex == NULL) { - errno = EINVAL; - ret = -1; + ret = EINVAL; } else { /* Check if default mutex attributes: */ if (mutex_attr == NULL || *mutex_attr == NULL) { @@ -55,8 +54,7 @@ pthread_mutex_init(pthread_mutex_t * mutex, type = MUTEX_TYPE_FAST; } else if ((*mutex_attr)->m_type >= MUTEX_TYPE_MAX) { /* Return an invalid argument error: */ - errno = EINVAL; - ret = -1; + ret = EINVAL; } else { /* Use the requested mutex type: */ type = (*mutex_attr)->m_type; @@ -65,8 +63,7 @@ pthread_mutex_init(pthread_mutex_t * mutex, /* Check no errors so far: */ if (ret == 0) { if ((pmutex = (pthread_mutex_t) malloc(sizeof(struct pthread_mutex))) == NULL) { - errno = ENOMEM; - ret = -1; + ret = ENOMEM; } else { /* Reset the mutex flags: */ pmutex->m_flags = 0; @@ -90,8 +87,7 @@ pthread_mutex_init(pthread_mutex_t * mutex, /* Trap invalid mutex types: */ default: /* Return an invalid argument error: */ - errno = EINVAL; - ret = -1; + ret = EINVAL; break; } if (ret == 0) { @@ -122,8 +118,7 @@ pthread_mutex_destroy(pthread_mutex_t * mutex) int status; if (mutex == NULL || *mutex == NULL) { - errno = EINVAL; - ret = -1; + ret = EINVAL; } else { /* Block signals: */ _thread_kern_sig_block(&status); @@ -144,8 +139,7 @@ pthread_mutex_destroy(pthread_mutex_t * mutex) /* Trap undefined mutex types: */ default: /* Return an invalid argument error: */ - errno = EINVAL; - ret = -1; + ret = EINVAL; break; } @@ -169,8 +163,7 @@ pthread_mutex_trylock(pthread_mutex_t * mutex) int status; if (mutex == NULL || *mutex == NULL) { - errno = EINVAL; - ret = -1; + ret = EINVAL; } else { /* Block signals: */ _thread_kern_sig_block(&status); @@ -185,8 +178,7 @@ pthread_mutex_trylock(pthread_mutex_t * mutex) (*mutex)->m_owner = _thread_run; } else { /* Return a busy error: */ - errno = EBUSY; - ret = -1; + ret = EBUSY; } break; @@ -203,8 +195,7 @@ pthread_mutex_trylock(pthread_mutex_t * mutex) (*mutex)->m_data.m_count++; } else { /* Return a busy error: */ - errno = EBUSY; - ret = -1; + ret = EBUSY; } } else { /* Lock the mutex for the running thread: */ @@ -215,8 +206,7 @@ pthread_mutex_trylock(pthread_mutex_t * mutex) /* Trap invalid mutex types: */ default: /* Return an invalid argument error: */ - errno = EINVAL; - ret = -1; + ret = EINVAL; break; } @@ -235,8 +225,7 @@ pthread_mutex_lock(pthread_mutex_t * mutex) int status; if (mutex == NULL || *mutex == NULL) { - errno = EINVAL; - ret = -1; + ret = EINVAL; } else { /* Block signals: */ _thread_kern_sig_block(&status); @@ -306,8 +295,7 @@ pthread_mutex_lock(pthread_mutex_t * mutex) /* Trap invalid mutex types: */ default: /* Return an invalid argument error: */ - errno = EINVAL; - ret = -1; + ret = EINVAL; break; } @@ -326,8 +314,7 @@ pthread_mutex_unlock(pthread_mutex_t * mutex) int status; if (mutex == NULL || *mutex == NULL) { - errno = EINVAL; - ret = -1; + ret = EINVAL; } else { /* Block signals: */ _thread_kern_sig_block(&status); @@ -339,8 +326,7 @@ pthread_mutex_unlock(pthread_mutex_t * mutex) /* Check if the running thread is not the owner of the mutex: */ if ((*mutex)->m_owner != _thread_run) { /* Return an invalid argument error: */ - errno = EINVAL; - ret = -1; + ret = EINVAL; } /* * Get the next thread from the queue of threads waiting on @@ -357,8 +343,7 @@ pthread_mutex_unlock(pthread_mutex_t * mutex) /* Check if the running thread is not the owner of the mutex: */ if ((*mutex)->m_owner != _thread_run) { /* Return an invalid argument error: */ - errno = EINVAL; - ret = -1; + ret = EINVAL; } /* Check if there are still counts: */ else if ((*mutex)->m_data.m_count) { @@ -378,8 +363,7 @@ pthread_mutex_unlock(pthread_mutex_t * mutex) /* Trap invalid mutex types: */ default: /* Return an invalid argument error: */ - errno = EINVAL; - ret = -1; + ret = EINVAL; break; } |
