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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 */
/* */
/* ev_defs.h Nucleus PLUS 1.15 */
/* */
/* COMPONENT */
/* */
/* EV - Event Group Management */
/* */
/* DESCRIPTION */
/* */
/* This file contains data structure definitions and constants for */
/* the Event Flag Group component. */
/* */
/* DATA STRUCTURES */
/* */
/* EV_GCB Event Group control block */
/* EV_SUSPEND Event Group suspension block */
/* */
/* DEPENDENCIES */
/* */
/* cs_defs.h Common service definitions */
/* tc_defs.h Thread Control definitions */
/* */
/*************************************************************************/
#include "plus/inc/cs_defs.h" /* Common service constants */
#include "plus/inc/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