ipc/chromium/src/base/worker_pool_mac.mm@6474c204b198 (annotated)
ipc/chromium/src/base/worker_pool_mac.mm
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
| michael@0 | 1 | // Copyright (c) 2008 The Chromium Authors. All rights reserved. |
| michael@0 | 2 | // Use of this source code is governed by a BSD-style license that can be |
| michael@0 | 3 | // found in the LICENSE file. |
| michael@0 | 4 | |
| michael@0 | 5 | #include "base/worker_pool.h" |
| michael@0 | 6 | |
| michael@0 | 7 | #import <Foundation/Foundation.h> |
| michael@0 | 8 | |
| michael@0 | 9 | #include "base/logging.h" |
| michael@0 | 10 | #import "base/singleton_objc.h" |
| michael@0 | 11 | #include "base/task.h" |
| michael@0 | 12 | |
| michael@0 | 13 | // TaskOperation adapts Task->Run() for use in an NSOperationQueue. |
| michael@0 | 14 | @interface TaskOperation : NSOperation { |
| michael@0 | 15 | @private |
| michael@0 | 16 | Task* task_; // (strong) |
| michael@0 | 17 | } |
| michael@0 | 18 | |
| michael@0 | 19 | // Returns an autoreleased instance of TaskOperation. See -initWithTask: for |
| michael@0 | 20 | // details. |
| michael@0 | 21 | + (id)taskOperationWithTask:(Task*)task; |
| michael@0 | 22 | |
| michael@0 | 23 | // Designated initializer. |task| is adopted as the Task* whose Run method |
| michael@0 | 24 | // this operation will call when executed. |
| michael@0 | 25 | - (id)initWithTask:(Task*)task; |
| michael@0 | 26 | |
| michael@0 | 27 | @end |
| michael@0 | 28 | |
| michael@0 | 29 | @implementation TaskOperation |
| michael@0 | 30 | |
| michael@0 | 31 | + (id)taskOperationWithTask:(Task*)task { |
| michael@0 | 32 | return [[[TaskOperation alloc] initWithTask:task] autorelease]; |
| michael@0 | 33 | } |
| michael@0 | 34 | |
| michael@0 | 35 | - (id)init { |
| michael@0 | 36 | return [self initWithTask:NULL]; |
| michael@0 | 37 | } |
| michael@0 | 38 | |
| michael@0 | 39 | - (id)initWithTask:(Task*)task { |
| michael@0 | 40 | if ((self = [super init])) { |
| michael@0 | 41 | task_ = task; |
| michael@0 | 42 | } |
| michael@0 | 43 | return self; |
| michael@0 | 44 | } |
| michael@0 | 45 | |
| michael@0 | 46 | - (void)main { |
| michael@0 | 47 | DCHECK(task_) << "-[TaskOperation main] called with no task"; |
| michael@0 | 48 | task_->Run(); |
| michael@0 | 49 | delete task_; |
| michael@0 | 50 | task_ = NULL; |
| michael@0 | 51 | } |
| michael@0 | 52 | |
| michael@0 | 53 | - (void)dealloc { |
| michael@0 | 54 | DCHECK(!task_) << "-[TaskOperation dealloc] called on unused TaskOperation"; |
| michael@0 | 55 | delete task_; |
| michael@0 | 56 | [super dealloc]; |
| michael@0 | 57 | } |
| michael@0 | 58 | |
| michael@0 | 59 | @end |
| michael@0 | 60 | |
| michael@0 | 61 | bool WorkerPool::PostTask(const tracked_objects::Location& from_here, |
| michael@0 | 62 | Task* task, bool task_is_slow) { |
| michael@0 | 63 | // Ignore |task_is_slow|, it doesn't map directly to any tunable aspect of |
| michael@0 | 64 | // an NSOperation. |
| michael@0 | 65 | |
| michael@0 | 66 | task->SetBirthPlace(from_here); |
| michael@0 | 67 | |
| michael@0 | 68 | NSOperationQueue* operation_queue = SingletonObjC<NSOperationQueue>::get(); |
| michael@0 | 69 | [operation_queue addOperation:[TaskOperation taskOperationWithTask:task]]; |
| michael@0 | 70 | |
| michael@0 | 71 | return true; |
| michael@0 | 72 | } |
