uisyscall.h

嵌入工linux开发的源码

/*************************************************************
File Name : syscall.h (RTOS/kernel/include/sys)
Date : 97 11/14
Programmer : Blackdog (Chiou Ealin)
Compiler :  

	X86P : Gnu Cross-compiler (or DJGPP)
	X86R : MSVC++ 1.52  &  MASM 6.11
Platform : 

	X86 protection mode without any function support
	X86 real mode without any function support
Usage :
	declaration of basic system call interface

Other Information : None
**************************************************************/

#ifdef __cplusplus
extern "C"
{
#endif



#ifndef _SYSCALL_H
#define _SYSCALL_H


/*************************************************************
	INCLUDE FILE
**************************************************************/


	#include <sys/types.h>
/*	#include <sys/constant.h>
	#include <sys/config.h>
	#include <machine/machine.h>
	#include <kernel/thread.h>

	#include <kernel/channel.h>
	#include <kernel/event.h>	
	#include <kernel/in_isr.h>	

	#include <kernel/gc_lib.h>

	#ifdef EXTENSION_SYSTEM_CALL
		#include <exten/timer.h>
		#include <exten/queue.h>
		#include <exten/resource.h>
	#endif

*/


#ifdef MACHINE_TYPE_8051
	/* 2500AD 8051 compiler doesn't support void pointer */
	#ifndef VOID_POINTER
		#define VOID_POINTER char * 
	#endif 
#else
	#ifndef VOID_POINTER
		#define VOID_POINTER void * 
	#endif
#endif



/*************************************************************
	MACRO
**************************************************************/
#ifndef disableInterrupt
	#define disableInterrupt cli
#endif

#ifndef	enableInterrupt
	#define enableInterrupt sti
#endif	

#ifndef userThread
	#define userThread void
#endif


/*************************************************************
	KERNEL CRITICAL SECTION CONTROL
**************************************************************/

/* 
 CS_ON : system status is in criticle section
 CS_OFF : system status is in criticle section
 */
#ifndef CS_ON
	#define CS_ON 1
#endif

#ifndef CS_OFF	
	#define CS_OFF 0
#endif	

/* return 0