www.pudn.com > os.rar > sm_extr.h

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/*                                                                       */ 
/*               Copyright Mentor Graphics Corporation 2004              */ 
/*                         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       */ 
/*                                                                       */ 
/*      sm_extr.h                                      Nucleus PLUS 1.15 */ 
/*                                                                       */ 
/* COMPONENT                                                             */ 
/*                                                                       */ 
/*      SM - Semaphore Management                                        */ 
/*                                                                       */ 
/* DESCRIPTION                                                           */ 
/*                                                                       */ 
/*      This file contains function prototypes of all functions          */ 
/*      accessible to other components.                                  */ 
/*                                                                       */ 
/* DATA STRUCTURES                                                       */ 
/*                                                                       */ 
/*      None                                                             */ 
/*                                                                       */ 
/* DEPENDENCIES                                                          */ 
/*                                                                       */ 
/*      sm_defs.h                           Semaphore Management constant*/ 
/*                                                                       */ 
/*************************************************************************/ 
 
#include        "plus/inc/sm_defs.h"        /* Include SM constants      */ 
 
 
/* Check to see if the file has been included already.  */ 
 
#ifndef SM_EXTR 
#define SM_EXTR 
 
 
/*  Initialization functions.  */ 
 
VOID            SMI_Initialize(VOID); 
 
 
/* Error checking core functions.  */ 
 
STATUS          SMCE_Create_Semaphore(NU_SEMAPHORE *semaphore_ptr, CHAR *name, 
                        UNSIGNED initial_count, OPTION suspend_type); 
STATUS          SMCE_Delete_Semaphore(NU_SEMAPHORE *semaphore_ptr); 
STATUS          SMCE_Obtain_Semaphore(NU_SEMAPHORE *semaphore_ptr,  
                                                        UNSIGNED suspend); 
STATUS          SMCE_Release_Semaphore(NU_SEMAPHORE *semaphore_ptr); 
 
 
/* Error checking supplemental functions.  */ 
 
STATUS          SMSE_Reset_Semaphore(NU_SEMAPHORE *semaphore_ptr,  
                                                    UNSIGNED initial_count); 
 
 
/* Core processing functions.  */ 
 
STATUS          SMC_Create_Semaphore(NU_SEMAPHORE *semaphore_ptr, CHAR *name, 
                        UNSIGNED initial_count, OPTION suspend_type); 
STATUS          SMC_Delete_Semaphore(NU_SEMAPHORE *semaphore_ptr); 
STATUS          SMC_Obtain_Semaphore(NU_SEMAPHORE *semaphore_ptr,  
                                                        UNSIGNED suspend); 
STATUS          SMC_Release_Semaphore(NU_SEMAPHORE *semaphore_ptr); 
 
 
/* Supplemental processing functions.  */ 
 
STATUS          SMS_Reset_Semaphore(NU_SEMAPHORE *semaphore_ptr,  
                                                UNSIGNED initial_count); 
 
 
/* Information retrieval functions.  */ 
 
UNSIGNED        SMF_Established_Semaphores(VOID); 
STATUS          SMF_Semaphore_Information(NU_SEMAPHORE *semaphore_ptr,  
                  CHAR *name, UNSIGNED *current_count, OPTION *suspend_type,  
                  UNSIGNED *tasks_waiting, NU_TASK **first_task); 
UNSIGNED        SMF_Semaphore_Pointers(NU_SEMAPHORE **pointer_list,  
                                                UNSIGNED maximum_pointers); 
#endif