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  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
  48. extern "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.  */
  79. void
  80. os_log_message(const char *message);
  81.  
  82.  
  83. /*
  84.  * Get an option. Should return NULL if specified option is not set.
  85.  */
  86. const char *
  87. os_get_option(const char *name);
  88.  
  89.  
  90. #ifdef  __cplusplus
  91. }
  92. #endif
  93.  
  94.  
  95. #endif /* _OS_MISC_H_ */
  96.