152 lines
5.1 KiB
C
152 lines
5.1 KiB
C
/*
|
|
* Check decoding of sigprocmask 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_sigprocmask
|
|
|
|
# include <signal.h>
|
|
# include <stdint.h>
|
|
# include <stdio.h>
|
|
# include <string.h>
|
|
# include <unistd.h>
|
|
|
|
static const char *errstr;
|
|
|
|
static long
|
|
k_sigprocmask(const kernel_ulong_t how, const kernel_ulong_t new_set,
|
|
const kernel_ulong_t old_set)
|
|
{
|
|
const long rc = syscall(__NR_sigprocmask, how, new_set, old_set);
|
|
errstr = sprintrc(rc);
|
|
return rc;
|
|
}
|
|
|
|
int
|
|
main(void)
|
|
{
|
|
static const kernel_ulong_t sig_block =
|
|
(kernel_ulong_t) 0xfacefeed00000000ULL | SIG_BLOCK;
|
|
static const kernel_ulong_t sig_unblock =
|
|
(kernel_ulong_t) 0xfacefeed00000000ULL | SIG_UNBLOCK;
|
|
static const kernel_ulong_t sig_setmask =
|
|
(kernel_ulong_t) 0xfacefeed00000000ULL | SIG_SETMASK;
|
|
|
|
if (k_sigprocmask(sig_setmask, 0, 0))
|
|
perror_msg_and_skip("sigprocmask");
|
|
puts("sigprocmask(SIG_SETMASK, NULL, NULL) = 0");
|
|
|
|
TAIL_ALLOC_OBJECT_CONST_PTR(kernel_ulong_t, new_set);
|
|
TAIL_ALLOC_OBJECT_CONST_PTR(kernel_ulong_t, old_set);
|
|
TAIL_ALLOC_OBJECT_CONST_PTR(sigset_t, libc_set);
|
|
|
|
memset(new_set, 0, sizeof(*new_set));
|
|
k_sigprocmask(sig_setmask, (uintptr_t) new_set, 0);
|
|
printf("sigprocmask(SIG_SETMASK, [], NULL) = %s\n", errstr);
|
|
|
|
k_sigprocmask(sig_unblock,
|
|
(uintptr_t) (new_set - 1), (uintptr_t) old_set);
|
|
puts("sigprocmask(SIG_UNBLOCK, ~[], []) = 0");
|
|
|
|
if (F8ILL_KULONG_SUPPORTED) {
|
|
k_sigprocmask(sig_unblock, f8ill_ptr_to_kulong(new_set), 0);
|
|
printf("sigprocmask(SIG_UNBLOCK, %#jx, NULL) = %s\n",
|
|
(uintmax_t) f8ill_ptr_to_kulong(new_set), errstr);
|
|
|
|
k_sigprocmask(sig_unblock, 0, f8ill_ptr_to_kulong(old_set));
|
|
printf("sigprocmask(SIG_UNBLOCK, NULL, %#jx) = %s\n",
|
|
(uintmax_t) f8ill_ptr_to_kulong(old_set), errstr);
|
|
}
|
|
|
|
sigemptyset(libc_set);
|
|
sigaddset(libc_set, SIGHUP);
|
|
memcpy(new_set, libc_set, sizeof(*new_set));
|
|
|
|
k_sigprocmask(sig_block, (uintptr_t) new_set, (uintptr_t) old_set);
|
|
puts("sigprocmask(SIG_BLOCK, [HUP], []) = 0");
|
|
|
|
memset(libc_set, -1, sizeof(*libc_set));
|
|
sigdelset(libc_set, SIGHUP);
|
|
memcpy(new_set, libc_set, sizeof(*new_set));
|
|
|
|
k_sigprocmask(sig_unblock, (uintptr_t) new_set, (uintptr_t) old_set);
|
|
puts("sigprocmask(SIG_UNBLOCK, ~[HUP], [HUP]) = 0");
|
|
|
|
sigdelset(libc_set, SIGKILL);
|
|
memcpy(new_set, libc_set, sizeof(*new_set));
|
|
|
|
k_sigprocmask(sig_unblock, (uintptr_t) new_set, (uintptr_t) old_set);
|
|
puts("sigprocmask(SIG_UNBLOCK, ~[HUP KILL], [HUP]) = 0");
|
|
|
|
sigemptyset(libc_set);
|
|
sigaddset(libc_set, SIGHUP);
|
|
sigaddset(libc_set, SIGINT);
|
|
sigaddset(libc_set, SIGQUIT);
|
|
sigaddset(libc_set, SIGALRM);
|
|
sigaddset(libc_set, SIGTERM);
|
|
memcpy(new_set, libc_set, sizeof(*new_set));
|
|
|
|
k_sigprocmask(sig_block, (uintptr_t) new_set, (uintptr_t) old_set);
|
|
printf("sigprocmask(SIG_BLOCK, %s, [HUP]) = 0\n",
|
|
"[HUP INT QUIT ALRM TERM]");
|
|
|
|
k_sigprocmask(sig_setmask, 0, (uintptr_t) old_set);
|
|
printf("sigprocmask(SIG_SETMASK, NULL, %s) = 0\n",
|
|
"[HUP INT QUIT ALRM TERM]");
|
|
|
|
k_sigprocmask(sig_setmask, (uintptr_t) (new_set + 1), 0);
|
|
printf("sigprocmask(SIG_SETMASK, %p, NULL) = %s\n",
|
|
new_set + 1, errstr);
|
|
|
|
k_sigprocmask(sig_setmask,
|
|
(uintptr_t) new_set, (uintptr_t) (old_set + 1));
|
|
printf("sigprocmask(SIG_SETMASK, %s, %p) = %s\n",
|
|
"[HUP INT QUIT ALRM TERM]", old_set + 1, errstr);
|
|
|
|
uintptr_t efault = sizeof(*new_set) / 2 + (uintptr_t) new_set;
|
|
|
|
k_sigprocmask(sig_setmask, efault, 0);
|
|
printf("sigprocmask(SIG_SETMASK, %#jx, NULL) = %s\n",
|
|
(uintmax_t) efault, errstr);
|
|
|
|
k_sigprocmask(sig_setmask, 0, efault);
|
|
printf("sigprocmask(SIG_SETMASK, NULL, %#jx) = %s\n",
|
|
(uintmax_t) efault, errstr);
|
|
|
|
puts("+++ exited with 0 +++");
|
|
return 0;
|
|
}
|
|
|
|
#else
|
|
|
|
SKIP_MAIN_UNDEFINED("__NR_sigprocmask")
|
|
|
|
#endif
|