1/**************************************************************************
2 *
3 * Copyright 2010 Vmware, Inc.
4 * All Rights Reserved.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
13 *
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
16 * of the Software.
17 *
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
21 * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
25 *
26 **************************************************************************/
27
28
29/*
30 * Miscellaneous OS services.
31 */
32
33
34#ifndef _OS_MISC_H_
35#define _OS_MISC_H_
36
37
38#include "pipe/p_compiler.h"
39
40
41#if defined(PIPE_OS_UNIX)
42#  include <signal.h> /* for kill() */
43#  include <unistd.h> /* getpid() */
44#endif
45
46
47#ifdef  __cplusplus
48extern "C" {
49#endif
50
51
52/*
53 * Trap into the debugger.
54 */
55#if (defined(PIPE_ARCH_X86) || defined(PIPE_ARCH_X86_64)) && defined(PIPE_CC_GCC)
56#  define os_break() __asm("int3")
57#elif defined(PIPE_CC_MSVC)
58#  define os_break()  __debugbreak()
59#elif defined(PIPE_OS_UNIX)
60#  define os_break() kill(getpid(), SIGTRAP)
61#else
62#  define os_break() abort()
63#endif
64
65
66/*
67 * Abort the program.
68 */
69#if defined(DEBUG)
70#  define os_abort() os_break()
71#else
72#  define os_abort() abort()
73#endif
74
75
76/*
77 * Output a message. Message should preferably end in a newline.
78 */
79void
80os_log_message(const char *message);
81
82
83/*
84 * Get an option. Should return NULL if specified option is not set.
85 */
86const char *
87os_get_option(const char *name);
88
89
90#ifdef	__cplusplus
91}
92#endif
93
94
95#endif /* _OS_MISC_H_ */
96