1  /*
       2   * Execute a command, expect its termination with a specified signal.
       3   *
       4   * Copyright (c) 2017-2021 Dmitry V. Levin <ldv@strace.io>
       5   * All rights reserved.
       6   *
       7   * SPDX-License-Identifier: GPL-2.0-or-later
       8   */
       9  
      10  #include "tests.h"
      11  #include <signal.h>
      12  #include <stdlib.h>
      13  #include <unistd.h>
      14  #include <sys/wait.h>
      15  
      16  int
      17  main(int ac, char **av)
      18  {
      19  	if (ac < 3)
      20  		error_msg_and_fail("usage: run_expect_termsig signo path...");
      21  
      22  	signal(SIGCHLD, SIG_DFL);
      23  
      24  	pid_t pid = fork();
      25  	if (pid < 0)
      26  		perror_msg_and_fail("fork");
      27  
      28  	if (!pid) {
      29  		execvp(av[2], av + 2);
      30  		perror_msg_and_fail("execvp: %s", av[2]);
      31  	}
      32  
      33  	int status;
      34  	if (waitpid(pid, &status, 0) != pid)
      35  		perror_msg_and_fail("waitpid");
      36  
      37  	return !(WIFSIGNALED(status) && WTERMSIG(status) == atoi(av[1]));
      38  }