src/gallium/auxiliary/os/os_misc.h

   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
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  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) || defined(PIPE_SUBSYSTEM_WINDOWS_DISPLAY) || defined(PIPE_SUBSYSTEM_WINDOWS_MINIPORT)
  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_ */