Security-57336.1.9.tar.gz

[apple/security.git] / Security / libsecurity_utilities / lib / dispatch.cpp

diff --git a/Security/libsecurity_utilities/lib/dispatch.cpp b/Security/libsecurity_utilities/lib/dispatch.cpp
deleted file mode 100644 (file)
index 97224e9..0000000
--- a/Security/libsecurity_utilities/lib/dispatch.cpp
+++ /dev/null
@@ -1,159 +0,0 @@
-/*
- * Copyright (c) 2014 Apple Inc. All Rights Reserved.
- * 
- * @APPLE_LICENSE_HEADER_START@
- * 
- * This file contains Original Code and/or Modifications of Original Code
- * as defined in and that are subject to the Apple Public Source License
- * Version 2.0 (the 'License'). You may not use this file except in
- * compliance with the License. Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this
- * file.
- * 
- * The Original Code and all software distributed under the License are
- * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- * Please see the License for the specific language governing rights and
- * limitations under the License.
- * 
- * @APPLE_LICENSE_HEADER_END@
- */
-
-//
-// dispatch - libdispatch wrapper
-//
-#include "dispatch.h"
-#include <security_utilities/errors.h>
-
-namespace Security {
-namespace Dispatch {
-
-ExceptionAwareEnqueuing::ExceptionAwareEnqueuing()
-: mExceptionPending(false)
-{ }
-
-void ExceptionAwareEnqueuing::enqueueWithDispatcher(void (^dispatcher)(dispatch_block_t), dispatch_block_t block)
-{
-       if (mExceptionPending)
-               return;
-
-       dispatcher(^{
-               if (mExceptionPending)
-                       return;
-               try {
-                       block();
-               } catch (...) {
-                       StLock<Mutex> _(mLock);
-                       mExceptionPending = true;
-                       mException = std::current_exception();
-               }
-       });
-}
-
-void ExceptionAwareEnqueuing::throwPendingException()
-{
-       if (mExceptionPending) {
-               mExceptionPending = false;
-               std::rethrow_exception(mException);
-       }
-}
-
-
-
-Queue::Queue(const char *label, bool concurrent, dispatch_qos_class_t qos_class)
-{
-       dispatch_queue_attr_t attr = concurrent ? DISPATCH_QUEUE_CONCURRENT : DISPATCH_QUEUE_SERIAL;
-       attr = dispatch_queue_attr_make_with_qos_class(attr, qos_class, 0);
-       mQueue = dispatch_queue_create(label, attr);
-}
-
-Queue::~Queue()
-{
-       dispatch_barrier_sync(mQueue, ^{});
-       dispatch_release(mQueue);
-}
-
-void Queue::enqueue(dispatch_block_t block)
-{
-       enqueuing.enqueueWithDispatcher(^(dispatch_block_t block){ dispatch_async(mQueue, block); }, block);
-}
-
-void Queue::wait()
-{
-       dispatch_barrier_sync(mQueue, ^{});
-       enqueuing.throwPendingException();
-}
-
-
-
-Group::Group()
-{
-       mGroup = dispatch_group_create();
-}
-
-Group::~Group()
-{
-       dispatch_group_wait(mGroup, DISPATCH_TIME_FOREVER);
-       dispatch_release(mGroup);
-}
-
-void Group::enqueue(dispatch_queue_t queue, dispatch_block_t block)
-{
-       enqueuing.enqueueWithDispatcher(^(dispatch_block_t block){ dispatch_group_async(mGroup, queue, block); }, block);
-}
-
-void Group::wait()
-{
-       dispatch_group_wait(mGroup, DISPATCH_TIME_FOREVER);
-       enqueuing.throwPendingException();
-}
-
-
-
-Semaphore::Semaphore(long count) {
-       mSemaphore = dispatch_semaphore_create(count);
-}
-
-Semaphore::Semaphore(Semaphore& semaphore)
-: mSemaphore(semaphore.mSemaphore)
-{
-       dispatch_retain(mSemaphore);
-}
-
-Semaphore::~Semaphore() {
-       dispatch_release(mSemaphore);
-}
-
-bool Semaphore::signal() {
-       return dispatch_semaphore_signal(mSemaphore) == 0;
-}
-
-bool Semaphore::wait(dispatch_time_t timeout) {
-       return dispatch_semaphore_wait(mSemaphore, timeout) == 0;
-}
-
-
-// Transfer ownership of held resource.
-SemaphoreWait::SemaphoreWait(SemaphoreWait &originalWait)
-: mSemaphore(originalWait.mSemaphore), mAcquired(originalWait.mAcquired)
-{
-       originalWait.mAcquired = false;
-}
-
-SemaphoreWait::SemaphoreWait(Semaphore &semaphore, dispatch_time_t timeout)
-: mSemaphore(semaphore)
-{
-       mAcquired = mSemaphore.wait(timeout);
-}
-
-SemaphoreWait::~SemaphoreWait()
-{
-       if (mAcquired)
-               mSemaphore.signal();
-}
-
-
-} // end namespace Dispatch
-} // end namespace Security