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//
// GTMNSThread+Blocks.m
//
// Copyright 2012 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.
//
#import "GTMNSThread+Blocks.h"
#include <pthread.h>
#if NS_BLOCKS_AVAILABLE
@implementation NSThread (GTMBlocksAdditions)
+ (void)gtm_runBlockOnCurrentThread:(void (^)())block {
block();
}
- (void)gtm_performBlock:(void (^)())block {
if ([[NSThread currentThread] isEqual:self]) {
block();
} else {
[self gtm_performWaitingUntilDone:NO block:block];
}
}
- (void)gtm_performWaitingUntilDone:(BOOL)waitDone block:(void (^)())block {
[NSThread performSelector:@selector(gtm_runBlockOnCurrentThread:)
onThread:self
withObject:[[block copy] autorelease]
waitUntilDone:waitDone];
}
+ (void)gtm_performBlockInBackground:(void (^)())block {
[NSThread performSelectorInBackground:@selector(gtm_runBlockOnCurrentThread:)
withObject:[[block copy] autorelease]];
}
@end
#endif // NS_BLOCKS_AVAILABLE
@implementation GTMSimpleWorkerThread
- (void)setThreadDebuggerName:(NSString *)name {
// [NSThread setName:] doesn't actually set the name in such a way that the
// debugger can see it. So we handle it here instead.
pthread_setname_np([name UTF8String]);
}
- (void)main {
[self setThreadDebuggerName:[self name]];
// Add a port to the runloop so that it stays alive. Without a port attached
// to it, a runloop will immediately return when you call run on it.
NSPort *tempPort = [NSPort port];
NSRunLoop *loop = [NSRunLoop currentRunLoop];
[loop addPort:tempPort forMode:NSDefaultRunLoopMode];
// Run the loop using CFRunLoopRun because [NSRunLoop run] will sometimes nest
// runloops making it impossible to stop.
runLoop_ = [loop getCFRunLoop];
CFRunLoopRun();
}
- (void)stop {
CFRunLoopStop(runLoop_);
}
- (void)setName:(NSString *)name {
if ([self isExecuting]) {
[self performSelector:@selector(setThreadDebuggerName:)
onThread:self
withObject:name
waitUntilDone:YES];
}
[super setName:name];
}
@end
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