1/* $NetBSD: t_threads.m,v 1.2 2013/10/31 21:02:11 christos Exp $ */ 2 3/* 4 * Copyright (c) 2010 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 17 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 18 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26 * POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29/* Originally written by David Wetzel */ 30 31#include <assert.h> 32#include <stdio.h> 33#include <unistd.h> 34 35#include <atf-c.h> 36 37#include <objc/objc.h> 38#include <objc/thr.h> 39#include <objc/Object.h> 40#if __GNUC_PREREQ__(4,8) 41#include <objc/runtime.h> 42#endif 43 44static int IsMultithreaded = 0; 45static objc_mutex_t Mutex; 46static objc_condition_t Condition; 47 48@interface MyClass : Object 49{ 50} 51-(void)start; 52#if __GNUC_PREREQ__(4,8) 53-init; 54+new; 55+alloc; 56-free; 57#endif 58@end 59 60@implementation MyClass 61-(void)start 62{ 63 printf("detached thread started!\n"); 64 65 objc_condition_signal(Condition); 66} 67#if __GNUC_PREREQ__(4,8) 68-init 69{ 70 return self; 71} 72 73+new 74{ 75 return [[self alloc] init]; 76} 77 78+alloc 79{ 80 return class_createInstance(self, 0); 81} 82 83-free 84{ 85 return object_dispose(self); 86} 87#endif 88@end 89 90static void 91becomeMultiThreaded(void) 92{ 93 printf("becoming multithreaded!\n"); 94 IsMultithreaded++; 95} 96 97ATF_TC(thread_callback); 98ATF_TC_HEAD(thread_callback, tc) 99{ 100 atf_tc_set_md_var(tc, "descr", "Checks that the thread callback is only" 101 "called once"); 102} 103ATF_TC_BODY(thread_callback, tc) 104{ 105 id o = [MyClass new]; 106 objc_thread_callback cb; 107 objc_thread_t rv; 108 109 cb = objc_set_thread_callback(becomeMultiThreaded); 110 printf("Old Callback: %p\n", cb); 111 ATF_CHECK(cb == 0); 112 113 Mutex = objc_mutex_allocate(); 114 Condition = objc_condition_allocate(); 115 116 ATF_CHECK_EQ(0, IsMultithreaded); 117 118 rv = objc_thread_detach(@selector(start), o, nil); 119 printf("detach value: %p\n", rv); 120 assert(rv != NULL); 121 122 objc_mutex_lock(Mutex); 123 objc_condition_wait(Condition, Mutex); 124 objc_mutex_unlock(Mutex); 125 126 ATF_CHECK_EQ(1, IsMultithreaded); 127 printf("Shutting down\n"); 128} 129 130ATF_TP_ADD_TCS(tp) 131{ 132 133 ATF_TP_ADD_TC(tp, thread_callback); 134 135 return atf_no_error(); 136} 137