1  /*
       2   * Check decoding of mlock2 syscall.
       3   *
       4   * Copyright (c) 2015-2018 Dmitry V. Levin <ldv@strace.io>
       5   * Copyright (c) 2015-2021 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  #include <stdio.h>
      15  #include <unistd.h>
      16  
      17  int
      18  main(void)
      19  {
      20  	const unsigned long addr = (unsigned long) 0xfacefeeddeadbeefULL;
      21  	const unsigned long len = (unsigned long) 0xcafef00dbadc0dedULL;
      22  
      23  	long rc = syscall(__NR_mlock2, addr, len, -1UL);
      24  	printf("mlock2(%#lx, %lu, MLOCK_ONFAULT|0xfffffffe)"
      25  	       " = %ld %s (%m)\n", addr, len, rc, errno2name());
      26  
      27  	puts("+++ exited with 0 +++");
      28  	return 0;
      29  }