msgqdemo.h

vxworks 下多线程编程事例代码 包括：管道

/* msgQDemo.h - Header for the msgQDemo */
 
 /* Copyright 1984-1997 Wind River Systems, Inc. */
  
 /*
 modification history
 --------------------
 01b,06nov97,mm  added copyright.
 01a,14dec93,ms   written.
 */
 
 #define  CONSUMER_TASK_PRI          99   /* Priority of the consumer task */
 #define  PRODUCER_TASK_PRI          98   /* Priority of the producer task */
 #define  TASK_STACK_SIZE          5000   /* stack size for spawned tasks */
 
 struct msg {                             /* data structure for msg passing */
         int tid;                         /* task id */         
         int value;                       /* msg value */
         };
 
 LOCAL MSG_Q_ID msgQId;                   /* message queue id */
 LOCAL int numMsg = 8;                    /* number of messages */
 LOCAL BOOL notDone;                      /* Flag to indicate the completion 
                                             of this demo */