FreeCalypso > hg > fc-tourmaline
view src/nucleus/smse.c @ 233:eacfad198b8b
give higher priority to FCHG task
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Sat, 01 May 2021 10:17:16 +0000 |
parents | 4e78acac3d88 |
children |
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/*************************************************************************/ /* */ /* 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); }