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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_defs.h Nucleus PLUS 1.15 */
/* */
/* COMPONENT */
/* */
/* SM - Semaphore Management */
/* */
/* DESCRIPTION */
/* */
/* This file contains data structure definitions and constants for */
/* the Semaphore component. */
/* */
/* DATA STRUCTURES */
/* */
/* SM_SCB Semaphore control block */
/* SM_SUSPEND Semaphore 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 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 */
BOOLEAN 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