/*
* Copyright ( C ) 2018 The Android Open Source Project
* All rights reserved .
*
* Redistribution and use in source and binary forms , with or without
* modification , are permitted provided that the following conditions
* are met :
* * Redistributions of source code must retain the above copyright
* notice , this list of conditions and the following disclaimer .
* * Redistributions in binary form must reproduce the above copyright
* notice , this list of conditions and the following disclaimer in
* the documentation and / or other materials provided with the
* distribution .
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* " AS IS " AND ANY EXPRESS OR IMPLIED WARRANTIES , INCLUDING , BUT NOT
* LIMITED TO , THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED . IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT , INDIRECT ,
* INCIDENTAL , SPECIAL , EXEMPLARY , OR CONSEQUENTIAL DAMAGES ( INCLUDING ,
* BUT NOT LIMITED TO , PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES ; LOSS
* OF USE , DATA , OR PROFITS ; OR BUSINESS INTERRUPTION ) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY , WHETHER IN CONTRACT , STRICT LIABILITY ,
* OR TORT ( INCLUDING NEGLIGENCE OR OTHERWISE ) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE , EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE .
*/
#include <gtest/gtest.h>
#include <errno.h>
#include <fcntl.h>
#include <signal.h>
#include <sys/signalfd.h>
#include <unistd.h>
#include <thread>
#include "SignalUtils.h"
static void TestSignalFd(int fd, int signal) {
ASSERT_NE(-1 , fd) << strerror(errno);
ASSERT_EQ(0 , raise(signal));
signalfd_siginfo sfd_si;
ASSERT_EQ(static_cast <ssize_t>(sizeof (sfd_si)), read(fd, &sfd_si, sizeof (sfd_si)));
ASSERT_EQ(signal, static_cast <int >(sfd_si.ssi_signo));
close(fd);
}
TEST(sys_signalfd, signalfd) {
SignalMaskRestorer smr;
sigset_t mask = {};
sigaddset(&mask, SIGALRM);
ASSERT_EQ(0 , sigprocmask(SIG_SETMASK, &mask, nullptr));
TestSignalFd(signalfd(-1 , &mask, SFD_CLOEXEC), SIGALRM);
}
TEST(sys_signalfd, signalfd64) {
#if defined (__BIONIC__)
SignalMaskRestorer smr;
sigset64_t mask = {};
sigaddset64(&mask, SIGRTMIN);
ASSERT_EQ(0 , sigprocmask64(SIG_SETMASK, &mask, nullptr));
TestSignalFd(signalfd64(-1 , &mask, SFD_CLOEXEC), SIGRTMIN);
#endif
}
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(vorverarbeitet am 2026-06-28)
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