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Diffstat (limited to 'src/util/os_misc.h')
-rw-r--r-- | src/util/os_misc.h | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/src/util/os_misc.h b/src/util/os_misc.h new file mode 100644 index 00000000000..403c8ee6ec5 --- /dev/null +++ b/src/util/os_misc.h @@ -0,0 +1,102 @@ +/************************************************************************** + * + * Copyright 2010 Vmware, Inc. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + + +/* + * Miscellaneous OS services. + */ + + +#ifndef _OS_MISC_H_ +#define _OS_MISC_H_ + + +#include "pipe/p_compiler.h" + + +#if defined(PIPE_OS_UNIX) +# include <signal.h> /* for kill() */ +# include <unistd.h> /* getpid() */ +#endif + + +#ifdef __cplusplus +extern "C" { +#endif + + +/* + * Trap into the debugger. + */ +#if (defined(PIPE_ARCH_X86) || defined(PIPE_ARCH_X86_64)) && defined(PIPE_CC_GCC) +# define os_break() __asm("int3") +#elif defined(PIPE_CC_MSVC) +# define os_break() __debugbreak() +#elif defined(PIPE_OS_UNIX) +# define os_break() kill(getpid(), SIGTRAP) +#else +# define os_break() abort() +#endif + + +/* + * Abort the program. + */ +#if defined(DEBUG) +# define os_abort() do { os_break(); abort(); } while(0) +#else +# define os_abort() abort() +#endif + + +/* + * Output a message. Message should preferably end in a newline. + */ +void +os_log_message(const char *message); + + +/* + * Get an option. Should return NULL if specified option is not set. + */ +const char * +os_get_option(const char *name); + + +/* + * Get the total amount of physical memory available on the system. + */ +bool +os_get_total_physical_memory(uint64_t *size); + + +#ifdef __cplusplus +} +#endif + + +#endif /* _OS_MISC_H_ */ |