/* * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016 * Jonathan Schleifer <js@heap.zone> * * All rights reserved. * * This file is part of ObjFW. It may be distributed under the terms of the * Q Public License 1.0, which can be found in the file LICENSE.QPL included in * the packaging of this file. * * Alternatively, it may be distributed under the terms of the GNU General * Public License, either version 2 or 3, which can be found in the file * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this * file. */ #include "config.h" #include <stdio.h> #import "OFString.h" #import "OFThread.h" OFObject *lock; @interface MyThread: OFThread - main; @end @implementation MyThread - main { printf("[%s] Entering #1\n", [object UTF8String]); @synchronized (lock) { printf("[%s] Entering #2\n", [object UTF8String]); @synchronized (lock) { printf("[%s] Hello!\n", [object UTF8String]); } printf("[%s] Left #2\n", [object UTF8String]); } printf("[%s] Left #1\n", [object UTF8String]); return nil; } @end int main() { lock = [[OFObject alloc] init]; MyThread *t1 = [MyThread threadWithObject: @"A"]; MyThread *t2 = [MyThread threadWithObject: @"B"]; [t1 start]; [t2 start]; [t1 join]; [t2 join]; return 0; }