1  /*
       2   * Check decoding of waitpid syscall.
       3   *
       4   * Copyright (c) 2016-2018 Dmitry V. Levin <ldv@strace.io>
       5   * Copyright (c) 2016-2021 The strace developers.
       6   * All rights reserved.
       7   *
       8   * SPDX-License-Identifier: GPL-2.0-or-later
       9   */
      10  
      11  #include "tests.h"
      12  #include "scno.h"
      13  
      14  #ifdef __NR_waitpid
      15  
      16  # include <stdio.h>
      17  # include <unistd.h>
      18  # include <sys/wait.h>
      19  
      20  int
      21  main(void)
      22  {
      23  	unsigned long pid =
      24  		(unsigned long) 0xdefaced00000000ULL | (unsigned) getpid();
      25  	long rc = syscall(__NR_waitpid, pid, 0L, (unsigned long) WNOHANG);
      26  	printf("waitpid(%d, NULL, WNOHANG) = %ld %s (%m)\n",
      27  	       (int) pid, rc, errno2name());
      28  
      29  	puts("+++ exited with 0 +++");
      30  	return 0;
      31  }
      32  
      33  #else
      34  
      35  SKIP_MAIN_UNDEFINED("__NR_waitpid")
      36  
      37  #endif