1d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes/* 2d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * This file is part of rt_sigprocmask strace test. 3d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * 4d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * Copyright (c) 2016 Dmitry V. Levin <ldv@altlinux.org> 539bac055674d23770b9a724221b728e443196ea7Elliott Hughes * Copyright (c) 2016-2017 The strace developers. 6d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * All rights reserved. 7d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * 8d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * Redistribution and use in source and binary forms, with or without 9d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * modification, are permitted provided that the following conditions 10d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * are met: 11d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * 1. Redistributions of source code must retain the above copyright 12d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * notice, this list of conditions and the following disclaimer. 13d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * 2. Redistributions in binary form must reproduce the above copyright 14d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * notice, this list of conditions and the following disclaimer in the 15d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * documentation and/or other materials provided with the distribution. 16d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * 3. The name of the author may not be used to endorse or promote products 17d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * derived from this software without specific prior written permission. 18d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * 19d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 20d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 21d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 22d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 23d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 24d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 28d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes */ 30d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes 31d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes#include "tests.h" 32d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes#include <asm/unistd.h> 33d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes 34d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes#ifdef __NR_rt_sigprocmask 35d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes 36d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes# include <assert.h> 37d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes# include <signal.h> 38d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes# include <stdio.h> 39d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes# include <string.h> 40d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes# include <unistd.h> 41d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes 42d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughesstatic long 43d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughesk_sigprocmask(const unsigned long how, void *const new_set, 44d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes void *const old_set, const unsigned long size) 45d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes{ 46d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes return syscall(__NR_rt_sigprocmask, how, new_set, old_set, size); 47d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes} 48d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes 49d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughesstatic void 50d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughesiterate(const char *const text, void *set, void *old, unsigned int size) 51d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes{ 52d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes for (;;) { 53d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes if (k_sigprocmask(SIG_UNBLOCK, set, old, size)) { 54d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes if (size < sizeof(long)) 55d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes tprintf("rt_sigprocmask(SIG_UNBLOCK" 56d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes ", %p, %p, %u) = -1 EINVAL (%m)\n", 57d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes set, old, size); 58d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes else 59d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes tprintf("rt_sigprocmask(SIG_UNBLOCK" 60d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes ", %s, %p, %u) = -1 EINVAL (%m)\n", 61d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes text, old, size); 62d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes } else { 63d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes tprintf("rt_sigprocmask(SIG_UNBLOCK, %s, [], %u)" 64d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes " = 0\n", text, size); 65d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes } 66d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes if (!size) 67d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes break; 68d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes size >>= 1; 69d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes set += size; 70d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes old += size; 71d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes } 72d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes} 73d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes 74d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughesint 75d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughesmain(void) 76d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes{ 77d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes tprintf("%s", ""); 78d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes 79d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes const unsigned int big_size = 1024 / 8; 80d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes unsigned int set_size; 81d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes 82d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes for (set_size = big_size; set_size; set_size >>= 1) { 83d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes if (!k_sigprocmask(SIG_SETMASK, NULL, NULL, set_size)) 84d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes break; 85d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes tprintf("rt_sigprocmask(SIG_SETMASK, NULL, NULL, %u)" 86d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes " = -1 EINVAL (%m)\n", set_size); 87d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes } 88d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes if (!set_size) 89d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes perror_msg_and_fail("rt_sigprocmask"); 90d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes tprintf("rt_sigprocmask(SIG_SETMASK, NULL, NULL, %u) = 0\n", 91d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes set_size); 92d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes 93d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes void *const k_set = tail_alloc(set_size); 94d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes void *const old_set = tail_alloc(set_size); 9539bac055674d23770b9a724221b728e443196ea7Elliott Hughes TAIL_ALLOC_OBJECT_CONST_PTR(sigset_t, libc_set); 96d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes 97d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes memset(k_set, 0, set_size); 98d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes if (k_sigprocmask(SIG_SETMASK, k_set, NULL, set_size)) 99d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes perror_msg_and_fail("rt_sigprocmask"); 100d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes tprintf("rt_sigprocmask(SIG_SETMASK, [], NULL, %u) = 0\n", set_size); 101d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes 102d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes if (k_sigprocmask(SIG_UNBLOCK, k_set - set_size, old_set, set_size)) 103d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes perror_msg_and_fail("rt_sigprocmask"); 104d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes tprintf("rt_sigprocmask(SIG_UNBLOCK, ~[], [], %u) = 0\n", set_size); 105d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes 106d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes assert(k_sigprocmask(SIG_SETMASK, k_set - set_size, 107d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes old_set, set_size << 1) == -1); 108d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes tprintf("rt_sigprocmask(SIG_SETMASK, %p, %p, %u) = -1 EINVAL (%m)\n", 109d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes k_set - set_size, old_set, set_size << 1); 110d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes 111d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes iterate("~[]", k_set - set_size, old_set, set_size >> 1); 112d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes 113d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes sigemptyset(libc_set); 114d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes sigaddset(libc_set, SIGHUP); 115d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes memcpy(k_set, libc_set, set_size); 116d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes 117d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes if (k_sigprocmask(SIG_BLOCK, k_set, old_set, set_size)) 118d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes perror_msg_and_fail("rt_sigprocmask"); 119d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes tprintf("rt_sigprocmask(SIG_BLOCK, [HUP], [], %u) = 0\n", set_size); 120d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes 121d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes memset(libc_set, -1, sizeof(sigset_t)); 122d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes sigdelset(libc_set, SIGHUP); 123d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes memcpy(k_set, libc_set, set_size); 124d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes 125d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes if (k_sigprocmask(SIG_UNBLOCK, k_set, old_set, set_size)) 126d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes perror_msg_and_fail("rt_sigprocmask"); 127d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes tprintf("rt_sigprocmask(SIG_UNBLOCK, ~[HUP], [HUP], %u) = 0\n", 128d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes set_size); 129d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes 130d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes sigdelset(libc_set, SIGKILL); 131d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes memcpy(k_set, libc_set, set_size); 132d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes 133d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes if (k_sigprocmask(SIG_UNBLOCK, k_set, old_set, set_size)) 134d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes perror_msg_and_fail("rt_sigprocmask"); 135d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes tprintf("rt_sigprocmask(SIG_UNBLOCK, ~[HUP KILL], [HUP], %u) = 0\n", 136d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes set_size); 137d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes 138d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes sigemptyset(libc_set); 139d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes sigaddset(libc_set, SIGHUP); 140d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes sigaddset(libc_set, SIGINT); 141d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes sigaddset(libc_set, SIGQUIT); 142d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes sigaddset(libc_set, SIGALRM); 143d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes sigaddset(libc_set, SIGTERM); 144d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes memcpy(k_set, libc_set, set_size); 145d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes 146d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes if (k_sigprocmask(SIG_BLOCK, k_set, old_set, set_size)) 147d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes perror_msg_and_fail("rt_sigprocmask"); 148d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes tprintf("rt_sigprocmask(SIG_BLOCK, %s, [HUP], %u) = 0\n", 149d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes "[HUP INT QUIT ALRM TERM]", set_size); 150d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes 151d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes if (k_sigprocmask(SIG_SETMASK, NULL, old_set, set_size)) 152d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes perror_msg_and_fail("rt_sigprocmask"); 153d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes tprintf("rt_sigprocmask(SIG_SETMASK, NULL, %s, %u) = 0\n", 154d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes "[HUP INT QUIT ALRM TERM]", set_size); 155d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes 156d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes assert(k_sigprocmask(SIG_SETMASK, k_set + (set_size >> 1), NULL, 157d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes set_size) == -1); 158d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes tprintf("rt_sigprocmask(SIG_SETMASK, %p, NULL, %u) = -1 EFAULT (%m)\n", 159d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes k_set + (set_size >> 1), set_size); 160d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes 161d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes assert(k_sigprocmask(SIG_SETMASK, k_set, old_set + (set_size >> 1), 162d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes set_size) == -1); 163d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes tprintf("rt_sigprocmask(SIG_SETMASK, %s, %p, %u) = -1 EFAULT (%m)\n", 164d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes "[HUP INT QUIT ALRM TERM]", 165d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes old_set + (set_size >> 1), set_size); 166d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes 167d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes tprintf("+++ exited with 0 +++\n"); 168d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes return 0; 169d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes} 170d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes 171d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes#else 172d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes 173d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott HughesSKIP_MAIN_UNDEFINED("__NR_rt_sigprocmask") 174d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes 175d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes#endif 176