1/*
2 * Copyright (c) 2010 Apple Inc. All rights reserved.
3 *
4 * @APPLE_LICENSE_HEADER_START@
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 *
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 * 3.  Neither the name of Apple Inc. ("Apple") nor the names of its
16 *     contributors may be used to endorse or promote products derived from
17 *     this software without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
20 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
21 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
22 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
23 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
24 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
25 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
26 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
28 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 *
30 * Portions of this software have been released under the following terms:
31 *
32 * (c) Copyright 1989-1993 OPEN SOFTWARE FOUNDATION, INC.
33 * (c) Copyright 1989-1993 HEWLETT-PACKARD COMPANY
34 * (c) Copyright 1989-1993 DIGITAL EQUIPMENT CORPORATION
35 *
36 * To anyone who acknowledges that this file is provided "AS IS"
37 * without any express or implied warranty:
38 * permission to use, copy, modify, and distribute this file for any
39 * purpose is hereby granted without fee, provided that the above
40 * copyright notices and this notice appears in all source code copies,
41 * and that none of the names of Open Software Foundation, Inc., Hewlett-
42 * Packard Company or Digital Equipment Corporation be used
43 * in advertising or publicity pertaining to distribution of the software
44 * without specific, written prior permission.  Neither Open Software
45 * Foundation, Inc., Hewlett-Packard Company nor Digital
46 * Equipment Corporation makes any representations about the suitability
47 * of this software for any purpose.
48 *
49 * Copyright (c) 2007, Novell, Inc. All rights reserved.
50 * Redistribution and use in source and binary forms, with or without
51 * modification, are permitted provided that the following conditions
52 * are met:
53 *
54 * 1.  Redistributions of source code must retain the above copyright
55 *     notice, this list of conditions and the following disclaimer.
56 * 2.  Redistributions in binary form must reproduce the above copyright
57 *     notice, this list of conditions and the following disclaimer in the
58 *     documentation and/or other materials provided with the distribution.
59 * 3.  Neither the name of Novell Inc. nor the names of its contributors
60 *     may be used to endorse or promote products derived from this
61 *     this software without specific prior written permission.
62 *
63 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
64 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
65 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
66 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY
67 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
68 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
69 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
70 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
71 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
72 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
73 *
74 * @APPLE_LICENSE_HEADER_END@
75 */
76
77#include <config.h>
78#include <unistd.h>
79
80#include "dcethread-private.h"
81#include "dcethread-util.h"
82#include "dcethread-debug.h"
83#include "dcethread-exception.h"
84
85#ifdef API
86
87int
88dcethread_pause(void)
89{
90    DCETHREAD_SYSCALL(int, pause());
91}
92
93#endif /* API */
94
95#ifdef TEST
96
97#include "dcethread-test.h"
98
99static void*
100basic_thread(void* data)
101{
102    volatile int interrupt_caught = 0;
103
104    DCETHREAD_TRY
105    {
106	MU_ASSERT(!interrupt_caught);
107	while (1)
108	{
109	    dcethread_pause();
110	}
111    }
112    DCETHREAD_CATCH(dcethread_interrupt_e)
113    {
114	MU_ASSERT(!interrupt_caught);
115	interrupt_caught = 1;
116    }
117    DCETHREAD_ENDTRY;
118
119    MU_ASSERT(interrupt_caught);
120
121    return NULL;
122}
123
124MU_TEST(dcethread_pause, interrupt_pre)
125{
126    dcethread* thread;
127
128    MU_TRY_DCETHREAD( dcethread_create(&thread, NULL, basic_thread, NULL) );
129    MU_TRY_DCETHREAD( dcethread_interrupt(thread) );
130    MU_TRY_DCETHREAD( dcethread_join(thread, NULL) );
131}
132
133MU_TEST(dcethread_pause, interrupt_post)
134{
135    dcethread* thread;
136    struct timespec ts;
137
138    ts.tv_nsec = 100000000;
139    ts.tv_sec = 0;
140
141    MU_TRY_DCETHREAD( dcethread_create(&thread, NULL, basic_thread, NULL) );
142    MU_TRY_DCETHREAD( dcethread_delay(&ts) );
143    MU_TRY_DCETHREAD( dcethread_interrupt(thread) );
144    MU_TRY_DCETHREAD( dcethread_join(thread, NULL) );
145}
146
147#endif /* TEST */
148