1  /*
       2   * Check decoding of prctl PR_MCE_KILL/PR_MCE_KILL_GET operations.
       3   *
       4   * Copyright (c) 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  #include <stdio.h>
      13  #include <unistd.h>
      14  #include <linux/prctl.h>
      15  
      16  int
      17  main(void)
      18  {
      19  	long rc;
      20  
      21  	prctl_marker();
      22  
      23  	rc = syscall(__NR_prctl, PR_MCE_KILL, PR_MCE_KILL_CLEAR, 0, 0, 0);
      24  	printf("prctl(PR_MCE_KILL, PR_MCE_KILL_CLEAR, 0, 0, 0) = %s\n",
      25  		   sprintrc(rc));
      26  
      27  	rc = syscall(__NR_prctl, PR_MCE_KILL, PR_MCE_KILL_SET, PR_MCE_KILL_EARLY, 0, 0);
      28  	printf("prctl(PR_MCE_KILL, PR_MCE_KILL_SET, PR_MCE_KILL_EARLY, 0, 0) = %s\n",
      29  		   sprintrc(rc));
      30  
      31  	rc = syscall(__NR_prctl, PR_MCE_KILL, PR_MCE_KILL_SET, PR_MCE_KILL_LATE, 0, 0);
      32  	printf("prctl(PR_MCE_KILL, PR_MCE_KILL_SET, PR_MCE_KILL_LATE, 0, 0) = %s\n",
      33  		   sprintrc(rc));
      34  
      35  	rc = syscall(__NR_prctl, PR_MCE_KILL, PR_MCE_KILL_SET, 0xff, 0, 0);
      36  	printf("prctl(PR_MCE_KILL, PR_MCE_KILL_SET, 0xff /* PR_MCE_KILL_??? */, 0, 0) = %s\n",
      37  		   sprintrc(rc));
      38  
      39  	rc = syscall(__NR_prctl, PR_MCE_KILL, 0xaaaa, 0xbbbb, 0xcccc, 0xdddd);
      40  	printf("prctl(PR_MCE_KILL, 0xaaaa /* PR_MCE_KILL_??? */, 0xbbbb, 0xcccc, 0xdddd) = %s\n",
      41  		   sprintrc(rc));
      42  
      43  	rc = syscall(__NR_prctl, PR_MCE_KILL, PR_MCE_KILL_SET, PR_MCE_KILL_DEFAULT, 0, 0);
      44  	printf("prctl(PR_MCE_KILL, PR_MCE_KILL_SET, PR_MCE_KILL_DEFAULT, 0, 0) = %s\n",
      45  		   sprintrc(rc));
      46  
      47  	rc = syscall(__NR_prctl, PR_MCE_KILL_GET, 0, 0, 0, 0);
      48  	if (rc)
      49  		printf("prctl(PR_MCE_KILL_GET, 0, 0, 0, 0) = %s (PR_MCE_KILL_DEFAULT)\n",
      50  			   sprintrc(rc));
      51  	else
      52  		printf("prctl(PR_MCE_KILL_GET, 0, 0, 0, 0) = %s\n",
      53  			   sprintrc(rc));
      54  
      55  	rc = syscall(__NR_prctl, PR_MCE_KILL_GET, 0xaaaa, 0xbbbb, 0xcccc, 0xdddd);
      56  	printf("prctl(PR_MCE_KILL_GET, 0xaaaa, 0xbbbb, 0xcccc, 0xdddd) = %s\n",
      57  		   sprintrc(rc));
      58  
      59  	puts("+++ exited with 0 +++");
      60  	return 0;
      61  }