QNX中定时器用法demo

最新推荐文章于 2025-01-17 15:42:00 发布

b0207191

最新推荐文章于 2025-01-17 15:42:00 发布

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本文链接：https://blog.youkuaiyun.com/b0207191/article/details/91348553

本文将介绍QNX操作系统中如何使用定时器，通过示例代码详细讲解其设置和应用，帮助开发者掌握在QNX环境下进行定时任务处理的方法。

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/*
 * Demonstrate how to set up a timer that, on expiry,
 * sends us a pulse.  This example sets the first
 * expiry to 1.5 seconds and the repetition interval
 * to 1.5 seconds.
 */

#include <stdio.h>
#include <time.h>
#include <sys/netmgr.h>
#include <sys/neutrino.h>
#include <unistd.h>


#define MY_PULSE_CODE   _PULSE_CODE_MINAVAIL

#define BILLION  1000000000L;

typedef union {
        struct _pulse   pulse;
        /* your other message structures would go
           here too */
} my_message_t;

void do_every_timer_1(int i)
{
	printf("i am one\n");
}

void do_every_timer_5(int i)
{
    struct timespec start, stop;
    double accum;

    printf("i am five\n");
    return;

    if( clock_gettime( CLOCK_REALTIME, &start) == -1 ) {
      perror( "clock gettime" );
      return;
    }

    //do work

	/*if(i == 3){
		sleep(3);
	}*/

    if( clock_gettime( CLOCK_REALTIME, &stop) == -1 ) {
      perror( "c