mutexsemdemo.h

vxworks 下多线程编程事例代码 包括：管道

/* mutexSemDemo.h - Header for the mutexSemDemo */
 
 /* Copyright 1984-1997 Wind River Systems, Inc. */
 
 /*
 modification history
 --------------------
 01b,06nov97,mm  added copyright.    
 01a,14jan94,ms   written.
 */
 
 #define  CONSUMER_TASK_PRI           98  /* Priority of the consumerTask task*/
 #define  PRODUCER_TASK_PRI           99  /* Priority of the producerTask task*/
 #define  TASK_STACK_SIZE          5000   /* Stack size for spawned tasks */
 #define PRODUCED  1                      /* Flag to indicate produced status*/ 
 #define CONSUMED  0                      /* Flag to indicate consumed status*/
 #define NUM_ITEMS 5                      /* Number of items */
 struct shMem                             /* Shared Memory data structure */
     {
     int tid;                             /* task id */  
     int count;                           /* count  number of item produced */
     int status;                          /* 0 if consumed or 1 if produced*/
     };