pidefs.h

mini http server,可以集成嵌入到程序中,实现简单的web功能

/*____________________________________________________________________________*\
 *

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

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 *____________________________________________________________________________*|
 *
 * $Source: /cvsroot/pi3web/Pi3Web_200/Source/Platform/PIDefs.h,v $
 * $Date: 2003/05/13 18:42:14 $
 *
 Description:
	Defininition of error codes and macros for PI.
\*____________________________________________________________________________*/
/* $HeaderTop:$ */

#ifndef PIDEFS_H_
#define PIDEFS_H_

#define PIAPI_COMPLETED		(0)		/* action completed succesfully */
#define PIAPI_ERROR			(-1)	/* an unspecified local error occured */
#define PIAPI_EXHAUSTED		(-2)	/* a system or program resource allocation
										failed */
#define PIAPI_INTERNALERROR	(-3)	/* an internal error caused by a bug */ 
#define PIAPI_EINVAL		(-4)	/* an invalid argument was given */
#define PIAPI_NOTSUPPORTED	(-5)	/* unimplemented facility */
#define PIAPI_EEXIST		(-6)	/* cannot create new object because an
										object already exists */
#define PIAPI_EACCES		(-7)	/* access denied */
#define PIAPI_EINIT			(-8)	/* library not correctly initialized */
#define PIAPI_DEADLOCK		(-9)	/* action would cause deadlock */

/* ----
Specialized return codes
--- */
#define PIAPI_CONTINUE		(-1001)	/* no action performed */
#define PIAPI_WARNING		(-1002)	/* something to take note of */
#define PIAPI_ABORT			(-1003)	/* an unspecified critical error occurred */
#define PIAPI_TIMEOUT		(-1004)	/* a timeout occurred */

/* ---
Additional context dependant result codes
--- */
#define PIAPI_WOULDBLOCK	(-10)	/* for non-blocking socket operations */

/* ---
Special
--- */
#define PIAPI_TRUE			(1)	
#define PIAPI_FALSE			(0)	

/* ---
Thread priorities
--- */
#define PITHREAD_PRIORITY_SIZE		5
#define PITHREAD_PRIORITY_INVALID	-1
#define PITHREAD_PRIORITY_LOWEST	0
#define PITHREAD_PRIORITY_LOW		1
#define PITHREAD_PRIORITY_MED		2
#define PITHREAD_PRIORITY_HIGH		3
#define PITHREAD_PRIORITY_HIGHEST	4

/* ---
Thread flags
--- */
#define PITHREAD_FLAGS_SUSPENDED	0x0001

#endif	/* PIDEFS_H_ */