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