semb.c

来自「vxwork操作系统的相关内容」· C语言 代码 · 共 18 行

#include                                "vxWorks.h"
#include                                "semLib.h"
#include                                "stdio.h"
#include                                "taskLib.h"

void                                    semB(SEM_ID semId)
{
    FOREVER
    {
        if (semTake(semId,WAIT_FOREVER)==ERROR)
        {
            printErr("semTake failed\n");
            return;
        }
        printf("%s task took semaphore\n",taskName(0));
    }
}