psosutil.c

wm PNE 3.3 source code, running at more than vxworks6.x version.

/*
 *  Copyright 2000-2005 Wind River Systems, Inc.
 *  All rights reserved.  Provided under license only.
 *  Distribution or other use of this software is only
 *  permitted pursuant to the terms of a license agreement
 *  from Wind River Systems (and is otherwise prohibited).
 *  Refer to that license agreement for terms of use.
 */

/*
 *  Copyright 1993-1998 Integrated Systems, Inc.
 *  All rights reserved.
 */

/*
 * $Log: psosutil.c,v $
 * Revision 1.1.1.1  2001/11/05 17:47:44  tneale
 * Tornado shuffle
 *
 * Revision 9.3  2001/01/19 22:22:14  paul
 * Update copyright.
 *
 * Revision 9.2  2000/04/05 19:07:46  josh
 * clearing up some warnings for pSOS+ 3.0
 *
 * Revision 9.1  2000/03/17 00:18:17  meister
 * Update copyright message
 *
 * Revision 9.0  1998/10/16 22:10:36  sar
 * Update version stamp to match release
 *
 * Revision 1.2  1998/06/15 18:21:20  josh
 * added copyright notices
 *
 */

/* [clearcase]
modification history
-------------------
01b,18apr05,job  update copyright notices
01a,24nov03,job  update copyright information
*/

#include "psos.h"

#define RN_WAIT         0x00000000  /* Wait for a segment */
#define NULL 0

void *SNMP_memset(unsigned char *, unsigned char, unsigned long);
void *SNMP_memcpy(unsigned char *, unsigned char *, long);

/************************************************************************/
/* ChangeTaskPreemption: modify task's mode word                        */
/*  INPUTS:                                                             */
/* RETURNS:                                                             */
/* OUTPUTS:                                                             */
/* NOTE(S):                                                             */
/************************************************************************/
unsigned long ChangeTaskPreemption(unsigned long nm)
{
unsigned long om;

t_mode(0x01, nm, &om);
return om;
}


/************************************************************************/
/* RestoreTaskPreemption: restore task's mode word                      */
/*  INPUTS:                                                             */
/* RETURNS:                                                             */
/* OUTPUTS:                                                             */
/* NOTE(S):                                                             */
/************************************************************************/
unsigned long RestoreTaskPreemption(unsigned long nm)
{
unsigned long om;

t_mode(0x01, nm, &om);
}


/*********************************************************************/
/*                                                                   */
/* FUNCTION MEMSET -- FILL MEMORY.                                   */
/*                                                                   */
/*  void *memset (uchar *pt, uchar fill, ulong n );                  */
/*                                                                   */
/*  This function fills n bytes with character 'fill' starting at    */
/*  location pointed to by pt.                                       */
/*                                                                   */
/*********************************************************************/ 
void *SNMP_memset(unsigned char *pt, unsigned char fill, unsigned long n)
{ 
unsigned char *str;

str = pt;
while (n-- > 0) 
    *(pt++) = fill; 
return(str);
} 
 

/*********************************************************************/ 
/*                                                                   */
/* FUNCTION MEMCPY -- COPY FROM ONE BUFFER TO ANOTHER.               */
/*                                                                   */
/*  void *memcpy (INT8 *mem1, INT8 *mem2, INT32 n);                  */
/*                                                                   */
/*  This function will copy n bytes from mem2 to mem1 regardless     */
/*  of any control characters.  If copying takes place between       */
/*  objects that overlap, the behavior is undefined.                 */
/*                                                                   */
/*  The function returns a pointer to mem1.                          */
/*                                                                   */
/*********************************************************************/ 
void *SNMP_memcpy(unsigned char *mem1, unsigned char *mem2, long n) 
{ 
unsigned char *str;

str = mem1;
while (n--) 
    *(mem1++) = *(mem2++);
return(str);
}