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#ifndef __DCETHREAD_UTIL_H__
78#define __DCETHREAD_UTIL_H__
79
80#include <errno.h>
81
82#include "dcethread-exception.h"
83
84int dcethread__set_errno(int err);
85
86#define DCETHREAD_BEGIN_SYSCALL \
87    do                                                                  \
88    {                                                                   \
89        if (dcethread__begin_block (dcethread__self(), NULL, NULL, NULL, NULL)) \
90        {                                                               \
91            dcethread__dispatchinterrupt(dcethread__self());            \
92            return dcethread__set_errno(EINTR);                         \
93        }                                                               \
94    } while (0)
95
96#define DCETHREAD_END_SYSCALL                                           \
97    do                                                                  \
98    {                                                                   \
99        if (dcethread__end_block (dcethread__self(), NULL, NULL))       \
100        {                                                               \
101            dcethread__dispatchinterrupt(dcethread__self());            \
102            return dcethread__set_errno(EINTR);                         \
103        }                                                               \
104    } while (0)
105
106#define DCETHREAD_SYSCALL(type, expr)      \
107    do					   \
108    {					   \
109        type ret;                          \
110        int err;                           \
111	DCETHREAD_BEGIN_SYSCALL;	   \
112    	ret = (expr);			   \
113	err = errno;			   \
114	DCETHREAD_END_SYSCALL;		   \
115        errno = err;			   \
116        return ret;			   \
117    } while(0);
118
119#define DCETHREAD_WRAP_THROW_TYPE(type, expr)				\
120    do									\
121    {									\
122        type ret = (expr);						\
123        if (ret < 0)							\
124	    dcethread__exc_raise(dcethread__exc_from_errno(errno), __FILE__, __LINE__); \
125	return ret;							\
126    } while (0);							\
127
128#define DCETHREAD_WRAP_THROW(expr) DCETHREAD_WRAP_THROW_TYPE(int, expr)
129
130#endif
131