+
−/*************************************************************************/
+
−/*                                                                       */
+
−/*               Copyright Mentor Graphics Corporation 2002              */
+
−/*                         All Rights Reserved.                          */
+
−/*                                                                       */
+
−/* THIS WORK CONTAINS TRADE SECRET AND PROPRIETARY INFORMATION WHICH IS  */
+
−/* THE PROPERTY OF MENTOR GRAPHICS CORPORATION OR ITS LICENSORS AND IS   */
+
−/* SUBJECT TO LICENSE TERMS.                                             */
+
−/*                                                                       */
+
−/*************************************************************************/
+
−
+
−/*************************************************************************/
+
−/*                                                                       */
+
−/* FILE NAME                                               VERSION       */
+
−/*                                                                       */
+
−/*      smse.c                                         Nucleus PLUS 1.14 */
+
−/*                                                                       */
+
−/* COMPONENT                                                             */
+
−/*                                                                       */
+
−/*      SM - Semaphore Management                                        */
+
−/*                                                                       */
+
−/* DESCRIPTION                                                           */
+
−/*                                                                       */
+
−/*      This file contains the error checking routines for the           */
+
−/*      supplemental functions of the Semaphore component.  This permits */
+
−/*      easy removal of error checking logic when it is not needed.      */
+
−/*                                                                       */
+
−/* DATA STRUCTURES                                                       */
+
−/*                                                                       */
+
−/*      None                                                             */
+
−/*                                                                       */
+
−/* FUNCTIONS                                                             */
+
−/*                                                                       */
+
−/*      SMSE_Reset_Semaphore                Reset a semaphore            */
+
−/*                                                                       */
+
−/* DEPENDENCIES                                                          */
+
−/*                                                                       */
+
−/*      cs_extr.h                           Common Service functions     */
+
−/*      tc_extr.h                           Thread Control functions     */
+
−/*      sm_extr.h                           Semaphore functions          */
+
−/*                                                                       */
+
−/* HISTORY                                                               */
+
−/*                                                                       */
+
−/*         DATE                    REMARKS                               */
+
−/*                                                                       */
+
−/*      03-01-1994      Created initial version 1.1 from                 */
+
−/*                      routines originally in core                      */
+
−/*                      error checking file                              */
+
−/*                                                                       */
+
−/*      03-18-1994      Verified version 1.1                             */
+
−/*      04-17-1996      updated to version 1.2                           */
+
−/*      03-24-1998      Released version 1.3                             */
+
−/*      04-17-2002      Released version 1.13m                           */
+
−/*      11-07-2002      Released version 1.14                            */
+
−/*************************************************************************/
+
−#define         NU_SOURCE_FILE
+
−
+
−
+
−#include        "cs_extr.h"                 /* Common service functions  */
+
−#include        "tc_extr.h"                 /* Thread control functions  */
+
−#include        "sm_extr.h"                 /* Semaphore functions       */
+
−
+
−
+
−
+
−/*************************************************************************/
+
−/*                                                                       */
+
−/* FUNCTION                                                              */
+
−/*                                                                       */
+
−/*      SMSE_Reset_Semaphore                                             */
+
−/*                                                                       */
+
−/* DESCRIPTION                                                           */
+
−/*                                                                       */
+
−/*      This function performs error checking on the parameters supplied */
+
−/*      to the reset semaphore function.                                 */
+
−/*                                                                       */
+
−/* CALLED BY                                                             */
+
−/*                                                                       */
+
−/*      Application                                                      */
+
−/*                                                                       */
+
−/* CALLS                                                                 */
+
−/*                                                                       */
+
−/*      SMS_Reset_Semaphore                 Actual reset semaphore func. */
+
−/*                                                                       */
+
−/* INPUTS                                                                */
+
−/*                                                                       */
+
−/*      semaphore_ptr                       Semaphore control block ptr  */
+
−/*      initial_count                       Initial count to reset the   */
+
−/*                                            semaphore to               */
+
−/*                                                                       */
+
−/* OUTPUTS                                                               */
+
−/*                                                                       */
+
−/*      NU_INVALID_SEMAPHORE                Invalid semaphore pointer    */
+
−/*                                                                       */
+
−/* HISTORY                                                               */
+
−/*                                                                       */
+
−/*        DATE                    REMARKS                                */
+
−/*                                                                       */
+
−/*      03-01-1993      Created initial version 1.0                      */
+
−/*      04-19-1993      Verified version 1.0                             */
+
−/*      03-01-1994      Modified function interface,                     */
+
−/*                      resulting in version 1.1                         */
+
−/*                                                                       */
+
−/*      03-18-1994      Verified version 1.1                             */
+
−/*                                                                       */
+
−/*************************************************************************/
+
−STATUS  SMSE_Reset_Semaphore(NU_SEMAPHORE *semaphore_ptr, 
+
−                                                    UNSIGNED initial_count)
+
−{
+
−
+
−SM_SCB         *semaphore;                  /* Semaphore control blk ptr */
+
−STATUS          status;                     /* Completion status         */
+
−
+
−
+
−    /* Move input semaphore pointer into internal pointer.  */
+
−    semaphore =  (SM_SCB *) semaphore_ptr;
+
−
+
−    /* Determine if the semaphore pointer is valid.  */
+
−    if ((semaphore) && (semaphore -> sm_id == SM_SEMAPHORE_ID))
+
−    
+
−        /* Semaphore pointer is valid, call function to reset it.  */
+
−        status =  SMS_Reset_Semaphore(semaphore_ptr, initial_count);
+
−        
+
−    else
+
−    
+
−        /* Semaphore pointer is invalid, indicate in completion status.  */
+
−        status =  NU_INVALID_SEMAPHORE;
+
−        
+
−    /* Return completion status.  */
+
−    return(status);
+
−}
+
−
+
−
+
−
+
−