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