You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
107 lines
3.1 KiB
107 lines
3.1 KiB
/*
|
|
* 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
|