test5.c

来自「这个是学习嵌入式开发的重要例子」· C语言 代码 · 共 32 行

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <signal.h>

int main(int argc, char **argv)
{
  int target;
  int signo;

  if (argc < 3)
  {
    fprintf(stdout, "Usage: %s <pid> <signo>\n", argv[0]);
    exit(1);
  }

  target = atoi(argv[1]);
  signo = atoi(argv[2]);

  // int kill(pid_t pid, int sig);
  if (kill(target, signo) < 0)
  {
    fprintf(stdout, "Send signal %d to %d failed: %s\n", signo, target, strerror(errno));
    exit(1);
  }

  fprintf(stdout, "Send signal %d to %d successed.\n", signo, target);

  return 0;
}