osconfig.h

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/*____________________________________________________________________________*\
 *

 Copyright (c) 1997-2003 John Roy, Holger Zimmermann. All rights reserved.

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    notice, this list of conditions and the following disclaimer. 

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    derived from this software without specific prior written permission.

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 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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 *____________________________________________________________________________*|
 *
 * $Source: /cvsroot/pi3web/Pi3Web_200/Source/Platform/OSConfig.h,v $
 * $Date: 2003/05/13 18:42:14 $
 *
 Description:
	Configure various macros to turn on and off compilation of
	platform specific features depending on the operating system machine.
\*____________________________________________________________________________*/
//$HeaderTop:$

#ifndef OSCONFIG_H_
#define OSCONFIG_H_

/* --- include the generated sysspec.hh file --- */
#include "../sysspec.hh"

/*____________________________________________________________________________*\
 *
 Flags which depend on the operating system 

 Macros:
	CONFIG_OS_POSIX		  	essentially a POSIX compliant os
	CONFIG_OS_WIN32			use microsoft Win32 API
	CONFIG_MULTITHREADED	os supports threading
	CONFIG_MT_WIN32			os supports Win32 threading interface.
	CONFIG_MT_SOLARIS		os supports solaris threads interface.
	CONFIG_MT_PTHREAD			os supports POSIX threads (pthreads).
	CONFIG_MT_USER			os supports threading via user context switches
	CONFIG_CPP_EXCEPTIONS	use C++ exceptions (over setjmp) 
	CONFIG_DLL				os supports dynamic library loading 
	CONFIG_DLL_DL			os supports dll's via libdl 
	CONFIG_DLL_GNU_DLD		os supports dll's via GNU dld 
	CONFIG_DLL_WIN32		os supports dll's via MS Win32 API
	CONFIG_SEMAPHORES		os supports system semaphores
	CONFIG_SEMA_SEMIPC		use sys/sem.h facilities for system semaphores
	CONFIG_SEMA_FLOCK		use flock facilities for system semaphores
	CONFIG_SEMA_SYNC		use synch.h for system semaphores
	CONFIG_NO_SEMUN			defined if struct semun must be explicity defined
	CONFIG_NO_THR_DELETE	threads library doesn't implement thr_delete()
	CONFIG_LOCK_FLOCK		use ::flock() instead of lockf() on POSIX
	CONFIG_USE_BSTRING		include 'bstring.h' for some functions
	CONFIG_POSIXISH		in general use posix semantics for OS operations
	CONFIG_USE_WINSOCK			winsock is used
	PLATFORM_OS				textual name of the operating system (range)

 Additionally
	CONFIG_HAS_*			facilility is available
	CONFIG_NEEDS_*			facilility not available, must be custom provided
	CONFIG_NO_*				facilility not available and not needed
\*____________________________________________________________________________*/
#if defined(CONFIG_OS_LINUX)
#	define CONFIG_OS_POSIX
#	define	CONFIG_MULTITHREADED	
#	define	CONFIG_MT_PTHREAD
// #	define	CONFIG_MT_USER
#	define	CONFIG_DLL
/* ---
	This flag CONFIG_DLL_GNU_DLD, might be necessary instead of CONFIG_DLL_DL
	for aout builds of the Linux kernel.
--- */
/* #	define	CONFIG_DLL_GNU_DLD */
#	define	CONFIG_DLL_DL
#	define	CONFIG_SEMAPHORES
#	define	CONFIG_SEMA_SEMIPC
#	define	CONFIG_NO_SEMUN
#	define	CONFIG_LOCK_FLOCK
#	define	CONFIG_NO_YIELD
#	define	CONFIG_POSIXISH
#	define	PLATFORM_OS				"Linux"

#elif defined(CONFIG_OS_SOLARIS)
#	define CONFIG_OS_POSIX
#	define	CONFIG_MULTITHREADED	
/*
** Change the comments in the following two lines to change between
** user context and kernel threads
*/
/* # 	define	CONFIG_MT_USER */
#	define	CONFIG_MT_SOLARIS
/* #	define	CONFIG_CPP_EXCEPTIONS */
#	define	CONFIG_DLL
#	define	CONFIG_DLL_DL
#	define	CONFIG_SEMAPHORES
/* #	define	CONFIG_SEMA_SYNC */
#	define	CONFIG_SEMA_SEMIPC
#	define	CONFIG_NO_SEMUN
#	define	CONFIG_NO_THR_DELETE
#	define	CONFIG_HAS_ECANCELED
#	define	CONFIG_POSIXISH
#	define	PLATFORM_OS				"Solaris 2.x"

#elif defined(CONFIG_OS_IRIX5)
#	define	CONFIG_LOCK_FLOCK
#	define CONFIG_OS_POSIX
#	define	CONFIG_MULTITHREADED	
# 	define	CONFIG_MT_USER
/* #	define	CONFIG_MT_PTHREAD */
/* #	define	CONFIG_CPP_EXCEPTIONS */
#	define	CONFIG_DLL
#	define	CONFIG_DLL_DL
#	define	CONFIG_SEMAPHORES
/* #	define	CONFIG_SEMA_SYNC */
#	define	CONFIG_SEMA_SEMIPC
/* #	define	CONFIG_NO_SEMUN */
/* # 	define	CONFIG_NO_THR_DELETE */
/* #	define	CONFIG_HAS_ECANCELED */
#	define	CONFIG_USE_BSTRING
#	define	CONFIG_NO_YIELD
#	define	CONFIG_POSIXISH
#	define	PLATFORM_OS				"IRIX 5.x"

#elif defined(CONFIG_OS_WIN32)
#	define	CONFIG_OS_WIN32
#	define	CONFIG_MULTITHREADED	
/* #	define	CONFIG_MT_USER */
#	define	CONFIG_MT_WIN32
/* #	define	CONFIG_CPP_EXCEPTIONS */
#	define	CONFIG_DLL
#	define	CONFIG_DLL_WIN32
/* #	define	CONFIG_SEMAPHORES
#	define	CONFIG_SEMA_SYNC
#	define	CONFIG_SEMA_SEMIPC */
#	define	CONFIG_USE_BSTRING
#	define	CONFIG_USE_WINSOCK
#	define	PLATFORM_OS				"Windows 32-Bit"

#elif defined(CONFIG_OS_HP)
#	define CONFIG_OS_POSIX
#	define	CONFIG_MULTITHREADED	
# 	define	CONFIG_MT_USER
/* #	define	CONFIG_MT_PTHREAD */
/* #	define	CONFIG_CPP_EXCEPTIONS */
/* #	define	CONFIG_DLL */
/* #	define	CONFIG_DLL_DL */
/* #	define	CONFIG_DLL_GNU_DLD */
#	define	CONFIG_SEMAPHORES
/* #	define	CONFIG_SEMA_SYNC */
#	define	CONFIG_SEMA_SEMIPC
#	define	CONFIG_NO_SEMUN
/* # 	define	CONFIG_NO_THR_DELETE */
# 	define	CONFIG_NO_ERESTART
/* #	define	CONFIG_HAS_ECANCELED */
#	define	CONFIG_NO_YIELD
#	define	CONFIG_POSIXISH
#	define	PLATFORM_OS				"HP 9000"

#elif defined(CONFIG_OS_WIN16)
#	define	CONFIG_OS_WIN16
#	define	CONFIG_MULTITHREADED
#	define	CONFIG_MT_USER
/* #	define	CONFIG_CPP_EXCEPTIONS */
#	define	CONFIG_DLL
#	define	CONFIG_DLL_WIN32
/* #	define	CONFIG_SEMAPHORES
#	define	CONFIG_SEMA_SYNC
#	define	CONFIG_SEMA_SEMIPC */
#	define	CONFIG_USE_BSTRING
#	define	CONFIG_POSIXISH
#	define	CONFIG_USE_WINSOCK
#	define	PLATFORM_OS				"Windows 16-Bit"

#else
#	error Unsupported operating system!

#endif

/*____________________________________________________________________________*\
 *
 Flags which depend on the machine/processor type

 Declarations:
	CONFIG_ASM_I386			intel 386 or greater processor
	CONFIG_ASM_SPARC		sun sparc chip
	CONFIG_ASM_HP			HP 9000
	PLATFORM_MACHINE		textual description of machine/processor
\*____________________________________________________________________________*/
#if defined(CONFIG_MACHINE_I386)
# 	define	CONFIG_ASM_I386
#	if defined(CONFIG_OS_WIN32)
#	 	define	CONFIG_ASM_I386_WIN32
#	elif defined(CONFIG_OS_WIN16)
#	 	define	CONFIG_ASM_I386_WIN16
#	endif
#	define	PLATFORM_MACHINE		"Intel x86"

#elif defined(CONFIG_MACHINE_SPARC)
# 	define	CONFIG_ASM_SPARC
#	define	PLATFORM_MACHINE		"SPARC"

#elif defined(CONFIG_MACHINE_IP)
# 	define	CONFIG_ASM_MIPS
#	define	PLATFORM_MACHINE		"Silicon Graphics"

#elif defined(CONFIG_MACHINE_HP)
# 	define	CONFIG_ASM_HP
#	define	PLATFORM_MACHINE		"HP 9000"

#else
#	error Unsupported machine/processor

#endif

/*____________________________________________________________________________*\
 *
 Some quick sanity checks
\*____________________________________________________________________________*/

#if defined(CONFIG_MT_USER)
#	if defined(CONFIG_MT_SOLARIS) || defined(CONFIG_MT_WIN32) || defined(CONFIG_MT_PTHREAD)
#	error Cannot use both Kernel and User threads
#	endif
#endif

#if defined(CONFIG_DLL_DL) && defined(CONFIG_DLL_GNU_DLD)
#	error Cannot use both dlfcn.h and GNU DLD dynamic linking facilities 
#endif

#if ( defined(CONFIG_SEMA_SEMIPC) && defined(CONFIG_SEMA_FLOCK) ) || \
	( defined(CONFIG_SEMA_SEMIPC) && defined(CONFIG_SEMA_SYNC) ) || \
	( defined(CONFIG_SEMA_FLOCK) && defined(CONFIG_SEMA_SYNC) )
#	error Only one system semaphore implementation may be used
#endif

#endif	/* OSCONFIG_H_ */