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-rw-r--r--pjlib/src/pj/lock.c388
1 files changed, 194 insertions, 194 deletions
diff --git a/pjlib/src/pj/lock.c b/pjlib/src/pj/lock.c
index 2422905f..65de868e 100644
--- a/pjlib/src/pj/lock.c
+++ b/pjlib/src/pj/lock.c
@@ -1,194 +1,194 @@
-/* $Id$ */
-/*
- * Copyright (C)2003-2006 Benny Prijono <benny@prijono.org>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
-#include <pj/lock.h>
-#include <pj/os.h>
-#include <pj/assert.h>
-#include <pj/pool.h>
-#include <pj/string.h>
-#include <pj/errno.h>
-
-
-typedef void LOCK_OBJ;
-
-/*
- * Lock structure.
- */
-struct pj_lock_t
-{
- LOCK_OBJ *lock_object;
-
- pj_status_t (*acquire) (LOCK_OBJ*);
- pj_status_t (*tryacquire) (LOCK_OBJ*);
- pj_status_t (*release) (LOCK_OBJ*);
- pj_status_t (*destroy) (LOCK_OBJ*);
-};
-
-typedef pj_status_t (*FPTR)(LOCK_OBJ*);
-
-/******************************************************************************
- * Implementation of lock object with mutex.
- */
-static pj_lock_t mutex_lock_template =
-{
- NULL,
- (FPTR) &pj_mutex_lock,
- (FPTR) &pj_mutex_trylock,
- (FPTR) &pj_mutex_unlock,
- (FPTR) &pj_mutex_destroy
-};
-
-static pj_status_t create_mutex_lock( pj_pool_t *pool,
- const char *name,
- int type,
- pj_lock_t **lock )
-{
- pj_lock_t *p_lock;
- pj_status_t rc;
-
- PJ_ASSERT_RETURN(pool && lock, PJ_EINVAL);
-
- p_lock = pj_pool_alloc(pool, sizeof(pj_lock_t));
- if (!p_lock)
- return PJ_ENOMEM;
-
- pj_memcpy(p_lock, &mutex_lock_template, sizeof(pj_lock_t));
- rc = pj_mutex_create(pool, name, type, (pj_mutex_t**)&p_lock->lock_object);
- if (rc != PJ_SUCCESS)
- return rc;
-
- *lock = p_lock;
- return PJ_SUCCESS;
-}
-
-
-PJ_DEF(pj_status_t) pj_lock_create_simple_mutex( pj_pool_t *pool,
- const char *name,
- pj_lock_t **lock )
-{
- return create_mutex_lock(pool, name, PJ_MUTEX_SIMPLE, lock);
-}
-
-PJ_DEF(pj_status_t) pj_lock_create_recursive_mutex( pj_pool_t *pool,
- const char *name,
- pj_lock_t **lock )
-{
- return create_mutex_lock(pool, name, PJ_MUTEX_RECURSE, lock);
-}
-
-
-/******************************************************************************
- * Implementation of NULL lock object.
- */
-static pj_status_t null_op(void *arg)
-{
- PJ_UNUSED_ARG(arg);
- return PJ_SUCCESS;
-}
-
-static pj_lock_t null_lock_template =
-{
- NULL,
- &null_op,
- &null_op,
- &null_op,
- &null_op
-};
-
-PJ_DEF(pj_status_t) pj_lock_create_null_mutex( pj_pool_t *pool,
- const char *name,
- pj_lock_t **lock )
-{
- PJ_UNUSED_ARG(name);
- PJ_UNUSED_ARG(pool);
-
- PJ_ASSERT_RETURN(lock, PJ_EINVAL);
-
- *lock = &null_lock_template;
- return PJ_SUCCESS;
-}
-
-
-/******************************************************************************
- * Implementation of semaphore lock object.
- */
-#if defined(PJ_HAS_SEMAPHORE) && PJ_HAS_SEMAPHORE != 0
-
-static pj_lock_t sem_lock_template =
-{
- NULL,
- (FPTR) &pj_sem_wait,
- (FPTR) &pj_sem_trywait,
- (FPTR) &pj_sem_post,
- (FPTR) &pj_sem_destroy
-};
-
-PJ_DEF(pj_status_t) pj_lock_create_semaphore( pj_pool_t *pool,
- const char *name,
- unsigned initial,
- unsigned max,
- pj_lock_t **lock )
-{
- pj_lock_t *p_lock;
- pj_status_t rc;
-
- PJ_ASSERT_RETURN(pool && lock, PJ_EINVAL);
-
- p_lock = pj_pool_alloc(pool, sizeof(pj_lock_t));
- if (!p_lock)
- return PJ_ENOMEM;
-
- pj_memcpy(p_lock, &sem_lock_template, sizeof(pj_lock_t));
- rc = pj_sem_create( pool, name, initial, max,
- (pj_sem_t**)&p_lock->lock_object);
- if (rc != PJ_SUCCESS)
- return rc;
-
- *lock = p_lock;
-
- return PJ_SUCCESS;
-}
-
-
-#endif /* PJ_HAS_SEMAPHORE */
-
-
-PJ_DEF(pj_status_t) pj_lock_acquire( pj_lock_t *lock )
-{
- PJ_ASSERT_RETURN(lock != NULL, PJ_EINVAL);
- return (*lock->acquire)(lock->lock_object);
-}
-
-PJ_DEF(pj_status_t) pj_lock_tryacquire( pj_lock_t *lock )
-{
- PJ_ASSERT_RETURN(lock != NULL, PJ_EINVAL);
- return (*lock->tryacquire)(lock->lock_object);
-}
-
-PJ_DEF(pj_status_t) pj_lock_release( pj_lock_t *lock )
-{
- PJ_ASSERT_RETURN(lock != NULL, PJ_EINVAL);
- return (*lock->release)(lock->lock_object);
-}
-
-PJ_DEF(pj_status_t) pj_lock_destroy( pj_lock_t *lock )
-{
- PJ_ASSERT_RETURN(lock != NULL, PJ_EINVAL);
- return (*lock->destroy)(lock->lock_object);
-}
-
+/* $Id$ */
+/*
+ * Copyright (C)2003-2006 Benny Prijono <benny@prijono.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+#include <pj/lock.h>
+#include <pj/os.h>
+#include <pj/assert.h>
+#include <pj/pool.h>
+#include <pj/string.h>
+#include <pj/errno.h>
+
+
+typedef void LOCK_OBJ;
+
+/*
+ * Lock structure.
+ */
+struct pj_lock_t
+{
+ LOCK_OBJ *lock_object;
+
+ pj_status_t (*acquire) (LOCK_OBJ*);
+ pj_status_t (*tryacquire) (LOCK_OBJ*);
+ pj_status_t (*release) (LOCK_OBJ*);
+ pj_status_t (*destroy) (LOCK_OBJ*);
+};
+
+typedef pj_status_t (*FPTR)(LOCK_OBJ*);
+
+/******************************************************************************
+ * Implementation of lock object with mutex.
+ */
+static pj_lock_t mutex_lock_template =
+{
+ NULL,
+ (FPTR) &pj_mutex_lock,
+ (FPTR) &pj_mutex_trylock,
+ (FPTR) &pj_mutex_unlock,
+ (FPTR) &pj_mutex_destroy
+};
+
+static pj_status_t create_mutex_lock( pj_pool_t *pool,
+ const char *name,
+ int type,
+ pj_lock_t **lock )
+{
+ pj_lock_t *p_lock;
+ pj_status_t rc;
+
+ PJ_ASSERT_RETURN(pool && lock, PJ_EINVAL);
+
+ p_lock = pj_pool_alloc(pool, sizeof(pj_lock_t));
+ if (!p_lock)
+ return PJ_ENOMEM;
+
+ pj_memcpy(p_lock, &mutex_lock_template, sizeof(pj_lock_t));
+ rc = pj_mutex_create(pool, name, type, (pj_mutex_t**)&p_lock->lock_object);
+ if (rc != PJ_SUCCESS)
+ return rc;
+
+ *lock = p_lock;
+ return PJ_SUCCESS;
+}
+
+
+PJ_DEF(pj_status_t) pj_lock_create_simple_mutex( pj_pool_t *pool,
+ const char *name,
+ pj_lock_t **lock )
+{
+ return create_mutex_lock(pool, name, PJ_MUTEX_SIMPLE, lock);
+}
+
+PJ_DEF(pj_status_t) pj_lock_create_recursive_mutex( pj_pool_t *pool,
+ const char *name,
+ pj_lock_t **lock )
+{
+ return create_mutex_lock(pool, name, PJ_MUTEX_RECURSE, lock);
+}
+
+
+/******************************************************************************
+ * Implementation of NULL lock object.
+ */
+static pj_status_t null_op(void *arg)
+{
+ PJ_UNUSED_ARG(arg);
+ return PJ_SUCCESS;
+}
+
+static pj_lock_t null_lock_template =
+{
+ NULL,
+ &null_op,
+ &null_op,
+ &null_op,
+ &null_op
+};
+
+PJ_DEF(pj_status_t) pj_lock_create_null_mutex( pj_pool_t *pool,
+ const char *name,
+ pj_lock_t **lock )
+{
+ PJ_UNUSED_ARG(name);
+ PJ_UNUSED_ARG(pool);
+
+ PJ_ASSERT_RETURN(lock, PJ_EINVAL);
+
+ *lock = &null_lock_template;
+ return PJ_SUCCESS;
+}
+
+
+/******************************************************************************
+ * Implementation of semaphore lock object.
+ */
+#if defined(PJ_HAS_SEMAPHORE) && PJ_HAS_SEMAPHORE != 0
+
+static pj_lock_t sem_lock_template =
+{
+ NULL,
+ (FPTR) &pj_sem_wait,
+ (FPTR) &pj_sem_trywait,
+ (FPTR) &pj_sem_post,
+ (FPTR) &pj_sem_destroy
+};
+
+PJ_DEF(pj_status_t) pj_lock_create_semaphore( pj_pool_t *pool,
+ const char *name,
+ unsigned initial,
+ unsigned max,
+ pj_lock_t **lock )
+{
+ pj_lock_t *p_lock;
+ pj_status_t rc;
+
+ PJ_ASSERT_RETURN(pool && lock, PJ_EINVAL);
+
+ p_lock = pj_pool_alloc(pool, sizeof(pj_lock_t));
+ if (!p_lock)
+ return PJ_ENOMEM;
+
+ pj_memcpy(p_lock, &sem_lock_template, sizeof(pj_lock_t));
+ rc = pj_sem_create( pool, name, initial, max,
+ (pj_sem_t**)&p_lock->lock_object);
+ if (rc != PJ_SUCCESS)
+ return rc;
+
+ *lock = p_lock;
+
+ return PJ_SUCCESS;
+}
+
+
+#endif /* PJ_HAS_SEMAPHORE */
+
+
+PJ_DEF(pj_status_t) pj_lock_acquire( pj_lock_t *lock )
+{
+ PJ_ASSERT_RETURN(lock != NULL, PJ_EINVAL);
+ return (*lock->acquire)(lock->lock_object);
+}
+
+PJ_DEF(pj_status_t) pj_lock_tryacquire( pj_lock_t *lock )
+{
+ PJ_ASSERT_RETURN(lock != NULL, PJ_EINVAL);
+ return (*lock->tryacquire)(lock->lock_object);
+}
+
+PJ_DEF(pj_status_t) pj_lock_release( pj_lock_t *lock )
+{
+ PJ_ASSERT_RETURN(lock != NULL, PJ_EINVAL);
+ return (*lock->release)(lock->lock_object);
+}
+
+PJ_DEF(pj_status_t) pj_lock_destroy( pj_lock_t *lock )
+{
+ PJ_ASSERT_RETURN(lock != NULL, PJ_EINVAL);
+ return (*lock->destroy)(lock->lock_object);
+}
+
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