/core/externals/google-toolbox-for-mac/DebugUtils/GTMDebugThreadValidation.m

 1//
 2//  GTMDebugThreadValidation.m
 3//
 4//  Copyright 2008 Google Inc.
 5//
 6//  Licensed under the Apache License, Version 2.0 (the "License"); you may not
 7//  use this file except in compliance with the License.  You may obtain a copy
 8//  of the License at
 9// 
10//  http://www.apache.org/licenses/LICENSE-2.0
11// 
12//  Unless required by applicable law or agreed to in writing, software
13//  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
14//  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
15//  License for the specific language governing permissions and limitations under
16//  the License.
17//
18
19#import "GTMDebugThreadValidation.h"
20
21#if DEBUG && MAC_OS_X_VERSION_MIN_REQUIRED <= MAC_OS_X_VERSION_10_4
22
23static NSThread *gGTMMainThread = nil;
24
25static __attribute__((constructor)) void _GTMInitThread(void) {
26  NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
27  gGTMMainThread = [NSThread currentThread];
28  [gGTMMainThread retain];
29  [pool release];
30}
31
32
33BOOL _GTMIsRunningOnMainThread(void) {
34  return [[NSThread currentThread] isEqual:gGTMMainThread];
35}
36
37#endif  // DEBUG && MAC_OS_X_VERSION_MIN_REQUIRED <= MAC_OS_X_VERSION_10_4