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/*
* Check decoding of signalfd4 syscall.
*
* Copyright (c) 2015-2016 Dmitry V. Levin <ldv@strace.io>
* Copyright (c) 2016-2021 The strace developers.
* All rights reserved.
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "tests.h"
#include "scno.h"
#if defined HAVE_SYS_SIGNALFD_H \
&& defined HAVE_SIGNALFD
# include <signal.h>
# include <stdio.h>
# include <unistd.h>
# include <sys/signalfd.h>
# include "kernel_fcntl.h"
int
main(void)
{
const char *const sigs = SIGUSR2 < SIGCHLD ? "USR2 CHLD" : "CHLD USR2";
const unsigned int size = get_sigset_size();
sigset_t mask;
sigemptyset(&mask);
sigaddset(&mask, SIGUSR2);
sigaddset(&mask, SIGCHLD);
int fd = signalfd(-1, &mask, O_CLOEXEC | O_NONBLOCK);
printf("signalfd4(-1, [%s], %u, SFD_CLOEXEC|SFD_NONBLOCK) = %s\n",
sigs, size, sprintrc(fd));
puts("+++ exited with 0 +++");
return 0;
}
#else
SKIP_MAIN_UNDEFINED("HAVE_SYS_SIGNALFD_H && HAVE_SIGNALFD")
#endif
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