1  /*
       2   * Test strace's -n option.
       3   *
       4   * Copyright (c) 2020-2021 The strace developers.
       5   * All rights reserved.
       6   *
       7   * SPDX-License-Identifier: GPL-2.0-or-later
       8   */
       9  
      10  #include "tests.h"
      11  #include "scno.h"
      12  
      13  #include <stdio.h>
      14  #include <unistd.h>
      15  #include <errno.h>
      16  
      17  #define SC_listen 4
      18  
      19  int
      20  main(void)
      21  {
      22  	int rc;
      23  
      24  #ifdef __NR_socketcall
      25  	if (syscall(__NR_socketcall, 0L, 0L, 0L, 0L, 0L) < 0
      26  		&& EINVAL == errno)
      27  	{
      28  		const long args[] = { 0, 0 };
      29  		rc = syscall(__NR_socketcall, SC_listen, args);
      30  		printf("[%4u] listen(0, 0) = %s\n", __NR_socketcall, sprintrc(rc));
      31  	}
      32  #endif
      33  
      34  	rc = syscall(__NR_listen, 0, 0);
      35  	printf("[%4u] listen(0, 0) = %s\n", __NR_listen, sprintrc(rc));
      36  
      37  	return 0;
      38  }