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/**************************************************************************
*
* 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 <stdint.h>
#include <stdbool.h>
#include "detect_os.h"
#if DETECT_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 DETECT_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_ */
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