+
−/*************************************************************************/
+
−/*                                                                       */
+
−/*        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          */
+
−/*                                                                       */
+
−/*      ev_defs.h                                       PLUS  1.2        */
+
−/*                                                                       */
+
−/* COMPONENT                                                             */
+
−/*                                                                       */
+
−/*      EV - Event Group Management                                      */
+
−/*                                                                       */
+
−/* DESCRIPTION                                                           */
+
−/*                                                                       */
+
−/*      This file contains data structure definitions and constants for  */
+
−/*      the Event Flag Group component.                                  */
+
−/*                                                                       */
+
−/* AUTHOR                                                                */
+
−/*                                                                       */
+
−/*      William E. Lamie, Accelerated Technology, Inc.                   */
+
−/*                                                                       */
+
−/* DATA STRUCTURES                                                       */
+
−/*                                                                       */
+
−/*      EV_GCB                              Event Group control block    */
+
−/*      EV_SUSPEND                          Event Group 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 protect structure,     */
+
−/*                                        added padding logic,           */
+
−/*                                        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 EV_DEFS
+
−#define EV_DEFS
+
−
+
−
+
−/* Define constants local to this component.  */
+
−
+
−#define         EV_EVENT_ID         0x45564e54UL
+
−#define         EV_AND              0x2        
+
−#define         EV_CONSUME          0x1
+
−
+
−
+
−/* Define the Event Group Control Block data type.  */
+
−
+
−typedef struct EV_GCB_STRUCT 
+
−{
+
−    CS_NODE             ev_created;            /* Node for linking to    */
+
−                                               /*   created Events list  */
+
−    UNSIGNED            ev_id;                 /* Internal EV ID         */
+
−    CHAR                ev_name[NU_MAX_NAME];  /* Event group name       */
+
−    UNSIGNED            ev_current_events;     /* Current event flags    */
+
−    UNSIGNED            ev_tasks_waiting;      /* Number of waiting tasks*/
+
−    struct EV_SUSPEND_STRUCT
+
−                       *ev_suspension_list;    /* Suspension list        */
+
−} EV_GCB;    
+
−
+
−
+
−/* Define the Event Group suspension structure.  This structure is allocated 
+
−   off of the caller's stack.  */
+
−   
+
−typedef struct EV_SUSPEND_STRUCT
+
−{
+
−    CS_NODE             ev_suspend_link;       /* Link to suspend blocks */
+
−    EV_GCB             *ev_event_group;        /* Pointer to Event group */
+
−    UNSIGNED            ev_requested_events;   /* Requested event flags  */
+
−    DATA_ELEMENT        ev_operation;          /* Event operation        */
+
−#if     PAD_1
+
−    DATA_ELEMENT        ev_padding[PAD_1];
+
−#endif 
+
−    TC_TCB             *ev_suspended_task;     /* Task suspended         */
+
−    STATUS              ev_return_status;      /* Return status          */
+
−    UNSIGNED            ev_actual_events;      /* Event flags returned   */
+
−} EV_SUSPEND;
+
−
+
−#endif