diff options
Diffstat (limited to 'nsprpub/pr/src/bthreads/btlocks.c')
-rw-r--r-- | nsprpub/pr/src/bthreads/btlocks.c | 91 |
1 files changed, 0 insertions, 91 deletions
diff --git a/nsprpub/pr/src/bthreads/btlocks.c b/nsprpub/pr/src/bthreads/btlocks.c deleted file mode 100644 index 994c09c40..000000000 --- a/nsprpub/pr/src/bthreads/btlocks.c +++ /dev/null @@ -1,91 +0,0 @@ -/* -*- Mode: C++; c-basic-offset: 4 -*- */ -/* This Source Code Form is subject to the terms of the Mozilla Public - * License, v. 2.0. If a copy of the MPL was not distributed with this - * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ - -/* -** File: btlocks.c -** Description: Implemenation for thread locks using bthreads -** Exports: prlock.h -*/ - -#include "primpl.h" - -#include <string.h> -#include <sys/time.h> - -void -_PR_InitLocks (void) -{ -} - -PR_IMPLEMENT(PRLock*) - PR_NewLock (void) -{ - PRLock *lock; - status_t semresult; - - if (!_pr_initialized) _PR_ImplicitInitialization(); - - lock = PR_NEWZAP(PRLock); - if (lock != NULL) { - - lock->benaphoreCount = 0; - lock->semaphoreID = create_sem( 0, "nsprLockSem" ); - if( lock->semaphoreID < B_NO_ERROR ) { - - PR_DELETE( lock ); - lock = NULL; - } - } - - return lock; -} - -PR_IMPLEMENT(void) - PR_DestroyLock (PRLock* lock) -{ - status_t result; - - PR_ASSERT(NULL != lock); - result = delete_sem(lock->semaphoreID); - PR_ASSERT(result == B_NO_ERROR); - PR_DELETE(lock); -} - -PR_IMPLEMENT(void) - PR_Lock (PRLock* lock) -{ - PR_ASSERT(lock != NULL); - - if( atomic_add( &lock->benaphoreCount, 1 ) > 0 ) { - - if( acquire_sem(lock->semaphoreID ) != B_NO_ERROR ) { - - atomic_add( &lock->benaphoreCount, -1 ); - return; - } - } - - lock->owner = find_thread( NULL ); -} - -PR_IMPLEMENT(PRStatus) - PR_Unlock (PRLock* lock) -{ - PR_ASSERT(lock != NULL); - lock->owner = NULL; - if( atomic_add( &lock->benaphoreCount, -1 ) > 1 ) { - - release_sem_etc( lock->semaphoreID, 1, B_DO_NOT_RESCHEDULE ); - } - - return PR_SUCCESS; -} - -PR_IMPLEMENT(void) - PR_AssertCurrentThreadOwnsLock(PRLock *lock) -{ - PR_ASSERT(lock != NULL); - PR_ASSERT(lock->owner == find_thread( NULL )); -} |