minix/tests/lib/libobjc/t_threads.m

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/* $NetBSD: t_threads.m,v 1.2 2013/10/31 21:02:11 christos Exp $ */
/*
* Copyright (c) 2010 The NetBSD Foundation, Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
/* Originally written by David Wetzel */
#include <assert.h>
#include <stdio.h>
#include <unistd.h>
#include <atf-c.h>
#include <objc/objc.h>
#include <objc/thr.h>
#include <objc/Object.h>
#if __GNUC_PREREQ__(4,8)
#include <objc/runtime.h>
#endif
static int IsMultithreaded = 0;
static objc_mutex_t Mutex;
static objc_condition_t Condition;
@interface MyClass : Object
{
}
-(void)start;
#if __GNUC_PREREQ__(4,8)
-init;
+new;
+alloc;
-free;
#endif
@end
@implementation MyClass
-(void)start
{
printf("detached thread started!\n");
objc_condition_signal(Condition);
}
#if __GNUC_PREREQ__(4,8)
-init
{
return self;
}
+new
{
return [[self alloc] init];
}
+alloc
{
return class_createInstance(self, 0);
}
-free
{
return object_dispose(self);
}
#endif
@end
static void
becomeMultiThreaded(void)
{
printf("becoming multithreaded!\n");
IsMultithreaded++;
}
ATF_TC(thread_callback);
ATF_TC_HEAD(thread_callback, tc)
{
atf_tc_set_md_var(tc, "descr", "Checks that the thread callback is only"
"called once");
}
ATF_TC_BODY(thread_callback, tc)
{
id o = [MyClass new];
objc_thread_callback cb;
objc_thread_t rv;
cb = objc_set_thread_callback(becomeMultiThreaded);
printf("Old Callback: %p\n", cb);
ATF_CHECK(cb == 0);
Mutex = objc_mutex_allocate();
Condition = objc_condition_allocate();
ATF_CHECK_EQ(0, IsMultithreaded);
rv = objc_thread_detach(@selector(start), o, nil);
printf("detach value: %p\n", rv);
assert(rv != NULL);
objc_mutex_lock(Mutex);
objc_condition_wait(Condition, Mutex);
objc_mutex_unlock(Mutex);
ATF_CHECK_EQ(1, IsMultithreaded);
printf("Shutting down\n");
}
ATF_TP_ADD_TCS(tp)
{
ATF_TP_ADD_TC(tp, thread_callback);
return atf_no_error();
}