1 /* 2 * Copyright (c) 2015-2016 Dmitry V. Levin <ldv (at) altlinux.org> 3 * Copyright (c) 2015-2017 The strace developers. 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. The name of the author may not be used to endorse or promote products 15 * derived from this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #include "tests.h" 30 #include <asm/unistd.h> 31 32 #if defined __NR_get_robust_list && defined __NR_set_robust_list 33 34 # include <stdio.h> 35 # include <unistd.h> 36 37 static const char * 38 sprintaddr(void *addr) 39 { 40 static char buf[sizeof(addr) * 2 + sizeof("0x")]; 41 42 if (!addr) 43 return "NULL"; 44 else 45 snprintf(buf, sizeof(buf), "%p", addr); 46 47 return buf; 48 } 49 50 int 51 main(void) 52 { 53 const pid_t pid = getpid(); 54 const long long_pid = (unsigned long) (0xdeadbeef00000000LL | pid); 55 TAIL_ALLOC_OBJECT_CONST_PTR(void *, p_head); 56 TAIL_ALLOC_OBJECT_CONST_PTR(size_t, p_len); 57 58 if (syscall(__NR_get_robust_list, long_pid, p_head, p_len)) 59 perror_msg_and_skip("get_robust_list"); 60 printf("get_robust_list(%d, [%s], [%lu]) = 0\n", 61 (int) pid, sprintaddr(*p_head), (unsigned long) *p_len); 62 63 void *head = tail_alloc(*p_len); 64 if (syscall(__NR_set_robust_list, head, *p_len)) 65 perror_msg_and_skip("set_robust_list"); 66 printf("set_robust_list(%p, %lu) = 0\n", 67 head, (unsigned long) *p_len); 68 69 if (syscall(__NR_get_robust_list, long_pid, p_head, p_len)) 70 perror_msg_and_skip("get_robust_list"); 71 printf("get_robust_list(%d, [%s], [%lu]) = 0\n", 72 (int) pid, sprintaddr(*p_head), (unsigned long) *p_len); 73 74 puts("+++ exited with 0 +++"); 75 return 0; 76 } 77 78 #else 79 80 SKIP_MAIN_UNDEFINED("__NR_get_robust_list && __NR_set_robust_list") 81 82 #endif 83
