1 files changed, 38 insertions, 0 deletions
diff --git a/DebugUtils/GTMDebugThreadValidation.m b/DebugUtils/GTMDebugThreadValidation.m
new file mode 100644
index 0000000..5889cd8
--- /dev/null
+++ b/DebugUtils/GTMDebugThreadValidation.m
@@ -0,0 +1,38 @@
+//
+//  GTMDebugThreadValidation.m
+//
+//  Copyright 2008 Google Inc.
+//
+//  Licensed under the Apache License, Version 2.0 (the "License"); you may not
+//  use this file except in compliance with the License.  You may obtain a copy
+//  of the License at
+// 
+//  http://www.apache.org/licenses/LICENSE-2.0
+// 
+//  Unless required by applicable law or agreed to in writing, software
+//  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+//  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
+//  License for the specific language governing permissions and limitations under
+//  the License.
+//
+
+
+#if DEBUG && MAC_OS_X_VERSION_MIN_REQUIRED <= MAC_OS_X_VERSION_10_4
+
+#import "GTMDebugThreadValidation.h"
+
+static NSThread *gGTMMainThread = nil;
+
+static __attribute__((constructor)) void _GTMInitThread(void) {
+  NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
+  gGTMMainThread = [NSThread currentThread];
+  [gGTMMainThread retain];
+  [pool release];
+}
+
+
+BOOL _GTMIsRunningOnMainThread(void) {
+  return [[NSThread currentThread] isEqual:gGTMMainThread];
+}
+
+#endif  // DEBUG && MAC_OS_X_VERSION_MIN_REQUIRED <= MAC_OS_X_VERSION_10_4