1 /* 2 * Copyright (C) 2018 The Android Open Source Project 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in 12 * the documentation and/or other materials provided with the 13 * distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 16 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 17 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 18 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 19 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 21 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS 22 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 23 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 24 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 25 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29 #include <gtest/gtest.h> 30 31 #include <errno.h> 32 #include <fcntl.h> 33 #include <signal.h> 34 #include <sys/signalfd.h> 35 #include <unistd.h> 36 37 #include <thread> 38 39 #include "ScopedSignalHandler.h" 40 41 static void TestSignalFd(int fd, int signal) { 42 ASSERT_NE(-1, fd) << strerror(errno); 43 44 ASSERT_EQ(0, raise(signal)); 45 46 signalfd_siginfo sfd_si; 47 ASSERT_EQ(static_cast<ssize_t>(sizeof(sfd_si)), read(fd, &sfd_si, sizeof(sfd_si))); 48 49 ASSERT_EQ(signal, static_cast<int>(sfd_si.ssi_signo)); 50 51 close(fd); 52 } 53 54 TEST(sys_signalfd, signalfd) { 55 SignalMaskRestorer smr; 56 57 sigset_t mask = {}; 58 sigaddset(&mask, SIGALRM); 59 ASSERT_EQ(0, sigprocmask(SIG_SETMASK, &mask, nullptr)); 60 61 TestSignalFd(signalfd(-1, &mask, SFD_CLOEXEC), SIGALRM); 62 } 63 64 TEST(sys_signalfd, signalfd64) { 65 #if defined(__BIONIC__) 66 SignalMaskRestorer smr; 67 68 sigset64_t mask = {}; 69 sigaddset64(&mask, SIGRTMIN); 70 ASSERT_EQ(0, sigprocmask64(SIG_SETMASK, &mask, nullptr)); 71 72 TestSignalFd(signalfd64(-1, &mask, SFD_CLOEXEC), SIGRTMIN); 73 #endif 74 } 75
