1d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes/* 2d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * Check decoding of signalfd4 syscall. 3d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * 4d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes * Copyright (c) 2015-2016 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 <fcntl.h> 33d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes#include <asm/unistd.h> 34d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes 3539bac055674d23770b9a724221b728e443196ea7Elliott Hughes#if defined HAVE_SYS_SIGNALFD_H \ 36d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes && defined HAVE_SIGNALFD \ 37d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes && defined O_CLOEXEC 38d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes 39d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes# include <signal.h> 40d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes# include <stdio.h> 41d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes# include <unistd.h> 42d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes# include <sys/signalfd.h> 43d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes 44d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughesint 45d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughesmain(void) 46d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes{ 47d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes const char *const sigs = SIGUSR2 < SIGCHLD ? "USR2 CHLD" : "CHLD USR2"; 48d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes const unsigned int size = get_sigset_size(); 49d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes 50d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes sigset_t mask; 51d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes sigemptyset(&mask); 52d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes sigaddset(&mask, SIGUSR2); 53d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes sigaddset(&mask, SIGCHLD); 54d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes 55d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes int fd = signalfd(-1, &mask, O_CLOEXEC | O_NONBLOCK); 56d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes printf("signalfd4(-1, [%s], %u, SFD_CLOEXEC|SFD_NONBLOCK) = %s\n", 57d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes sigs, size, sprintrc(fd)); 58d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes 59d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes puts("+++ exited with 0 +++"); 60d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes return 0; 61d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes} 62d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes 63d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes#else 64d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes 6539bac055674d23770b9a724221b728e443196ea7Elliott HughesSKIP_MAIN_UNDEFINED("HAVE_SYS_SIGNALFD_H && HAVE_SIGNALFD && O_CLOEXEC") 66d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes 67d35df493b4e7684c50d2d2fa032ee3a7ac228009Elliott Hughes#endif 68