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/*
* Check decoding of sigpending syscall.
*
* Copyright (c) 2016-2017 Dmitry V. Levin <ldv@altlinux.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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 "tests.h"
#include <asm/unistd.h>
#ifdef __NR_sigpending
# include <signal.h>
# include <stdint.h>
# include <stdio.h>
# include <string.h>
# include <unistd.h>
static const char *errstr;
static long
k_sigpending(const kernel_ulong_t set)
{
const long rc = syscall(__NR_sigpending, set);
errstr = sprintrc(rc);
return rc;
}
int
main(void)
{
TAIL_ALLOC_OBJECT_CONST_PTR(kernel_ulong_t, k_set);
TAIL_ALLOC_OBJECT_CONST_PTR(sigset_t, libc_set);
sigemptyset(libc_set);
if (sigprocmask(SIG_SETMASK, libc_set, NULL))
perror_msg_and_fail("sigprocmask");
if (k_sigpending((uintptr_t) libc_set))
perror_msg_and_skip("sigpending");
else
puts("sigpending([]) = 0");
k_sigpending((uintptr_t) k_set);
puts("sigpending([]) = 0");
k_sigpending((uintptr_t) (k_set + 1));
printf("sigpending(%p) = -1 EFAULT (%m)\n", k_set + 1);
uintptr_t efault = sizeof(*k_set) / 2 + (uintptr_t) k_set;
k_sigpending(efault);
printf("sigpending(%#jx) = -1 EFAULT (%m)\n", (uintmax_t) efault);
sigaddset(libc_set, SIGHUP);
if (sigprocmask(SIG_SETMASK, libc_set, NULL))
perror_msg_and_fail("sigprocmask");
raise(SIGHUP);
k_sigpending((uintptr_t) k_set);
puts("sigpending([HUP]) = 0");
sigaddset(libc_set, SIGINT);
if (sigprocmask(SIG_SETMASK, libc_set, NULL))
perror_msg_and_fail("sigprocmask");
raise(SIGINT);
k_sigpending((uintptr_t) k_set);
puts("sigpending([HUP INT]) = 0");
if (F8ILL_KULONG_SUPPORTED) {
k_sigpending(f8ill_ptr_to_kulong(k_set));
printf("sigpending(%#jx) = %s\n",
(uintmax_t) f8ill_ptr_to_kulong(k_set), errstr);
}
puts("+++ exited with 0 +++");
return 0;
}
#else
SKIP_MAIN_UNDEFINED("__NR_sigpending")
#endif
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