+
−/*************************************************************************/
+
−/*                                                                       */
+
−/*        Copyright (c) 1993-1996 Accelerated Technology, Inc.           */
+
−/*                                                                       */
+
−/* PROPRIETARY RIGHTS of Accelerated Technology are involved in the      */
+
−/* subject matter of this material.  All manufacturing, reproduction,    */
+
−/* use, and sales rights pertaining to this subject matter are governed  */
+
−/* by the license agreement.  The recipient of this software implicitly  */
+
−/* accepts the terms of the license.                                     */
+
−/*                                                                       */
+
−/*************************************************************************/
+
−
+
−/*************************************************************************/
+
−/*                                                                       */
+
−/* FILE NAME                                            VERSION          */
+
−/*                                                                       */
+
−/*      sm_defs.h                                       PLUS  1.2        */
+
−/*                                                                       */
+
−/* COMPONENT                                                             */
+
−/*                                                                       */
+
−/*      SM - Semaphore Management                                        */
+
−/*                                                                       */
+
−/* DESCRIPTION                                                           */
+
−/*                                                                       */
+
−/*      This file contains data structure definitions and constants for  */
+
−/*      the Semaphore component.                                         */
+
−/*                                                                       */
+
−/* AUTHOR                                                                */
+
−/*                                                                       */
+
−/*      William E. Lamie, Accelerated Technology, Inc.                   */
+
−/*                                                                       */
+
−/* DATA STRUCTURES                                                       */
+
−/*                                                                       */
+
−/*      SM_SCB                              Semaphore control block      */
+
−/*      SM_SUSPEND                          Semaphore suspension block   */
+
−/*                                                                       */
+
−/* FUNCTIONS                                                             */
+
−/*                                                                       */
+
−/*      None                                                             */
+
−/*                                                                       */
+
−/* DEPENDENCIES                                                          */
+
−/*                                                                       */
+
−/*      cs_defs.h                           Common service definitions   */
+
−/*      tc_defs.h                           Thread Control definitions   */
+
−/*                                                                       */
+
−/* HISTORY                                                               */
+
−/*                                                                       */
+
−/*         NAME            DATE                    REMARKS               */
+
−/*                                                                       */
+
−/*      W. Lamie        03-01-1993      Created initial version 1.0      */
+
−/*      D. Lamie        04-19-1993      Verified version 1.0             */
+
−/*      W. Lamie        03-01-1994      Moved include files outside of   */
+
−/*                                        the file #ifndef to allow the  */
+
−/*                                        use of actual data structures, */
+
−/*                                        removed protection structure,  */
+
−/*                                        put padding into structure,    */
+
−/*                                        resulting in version 1.1       */
+
−/*      R. Pfaff -                                                       */
+
−/*      D. Lamie        03-18-1994      Verified version 1.1             */
+
−/*      M.Q. Qian       04-17-1996      updated to version 1.2           */
+
−/*                                                                       */
+
−/*************************************************************************/
+
−
+
−#include        "cs_defs.h"                 /* Common service constants  */
+
−#include        "tc_defs.h"                 /* Thread control constants  */
+
−
+
−
+
−/* Check to see if the file has been included already.  */
+
−
+
−#ifndef SM_DEFS
+
−#define SM_DEFS
+
−
+
−
+
−/* Define constants local to this component.  */
+
−
+
−#define         SM_SEMAPHORE_ID         0x53454d41UL
+
−
+
−
+
−/* Define the Semaphore Control Block data type.  */
+
−
+
−typedef struct SM_SCB_STRUCT 
+
−{
+
−    CS_NODE             sm_created;            /* Node for linking to    */
+
−                                               /* created semaphore list */
+
−    UNSIGNED            sm_id;                 /* Internal SCB ID        */
+
−    CHAR                sm_name[NU_MAX_NAME];  /* Semaphore name         */
+
−    UNSIGNED            sm_semaphore_count;    /* Counting semaphore     */
+
−    DATA_ELEMENT        sm_fifo_suspend;       /* Suspension type flag   */
+
−#if     PAD_1
+
−    DATA_ELEMENT        sm_padding[PAD_1];
+
−#endif
+
−    UNSIGNED            sm_tasks_waiting;      /* Number of waiting tasks*/
+
−    struct SM_SUSPEND_STRUCT
+
−                       *sm_suspension_list;    /* Suspension list        */
+
−} SM_SCB;    
+
−
+
−
+
−/* Define the semaphore suspension structure.  This structure is allocated 
+
−   off of the caller's stack.  */
+
−   
+
−typedef struct SM_SUSPEND_STRUCT
+
−{
+
−    CS_NODE             sm_suspend_link;       /* Link to suspend blocks */
+
−    SM_SCB             *sm_semaphore;          /* Pointer to semaphore   */
+
−    TC_TCB             *sm_suspended_task;     /* Task suspended         */
+
−    STATUS              sm_return_status;      /* Return status          */
+
−} SM_SUSPEND;
+
−
+
−#endif