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152 lines
5.1 KiB
152 lines
5.1 KiB
/*
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* Check decoding of sigprocmask syscall.
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*
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* Copyright (c) 2016-2017 Dmitry V. Levin <ldv@altlinux.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "tests.h"
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#include <asm/unistd.h>
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#ifdef __NR_sigprocmask
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# include <signal.h>
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# include <stdint.h>
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# include <stdio.h>
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# include <string.h>
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# include <unistd.h>
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static const char *errstr;
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static long
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k_sigprocmask(const kernel_ulong_t how, const kernel_ulong_t new_set,
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const kernel_ulong_t old_set)
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{
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const long rc = syscall(__NR_sigprocmask, how, new_set, old_set);
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errstr = sprintrc(rc);
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return rc;
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}
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int
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main(void)
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{
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static const kernel_ulong_t sig_block =
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(kernel_ulong_t) 0xfacefeed00000000ULL | SIG_BLOCK;
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static const kernel_ulong_t sig_unblock =
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(kernel_ulong_t) 0xfacefeed00000000ULL | SIG_UNBLOCK;
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static const kernel_ulong_t sig_setmask =
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(kernel_ulong_t) 0xfacefeed00000000ULL | SIG_SETMASK;
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if (k_sigprocmask(sig_setmask, 0, 0))
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perror_msg_and_skip("sigprocmask");
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puts("sigprocmask(SIG_SETMASK, NULL, NULL) = 0");
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TAIL_ALLOC_OBJECT_CONST_PTR(kernel_ulong_t, new_set);
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TAIL_ALLOC_OBJECT_CONST_PTR(kernel_ulong_t, old_set);
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TAIL_ALLOC_OBJECT_CONST_PTR(sigset_t, libc_set);
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memset(new_set, 0, sizeof(*new_set));
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k_sigprocmask(sig_setmask, (uintptr_t) new_set, 0);
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printf("sigprocmask(SIG_SETMASK, [], NULL) = %s\n", errstr);
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k_sigprocmask(sig_unblock,
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(uintptr_t) (new_set - 1), (uintptr_t) old_set);
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puts("sigprocmask(SIG_UNBLOCK, ~[], []) = 0");
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if (F8ILL_KULONG_SUPPORTED) {
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k_sigprocmask(sig_unblock, f8ill_ptr_to_kulong(new_set), 0);
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printf("sigprocmask(SIG_UNBLOCK, %#jx, NULL) = %s\n",
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(uintmax_t) f8ill_ptr_to_kulong(new_set), errstr);
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k_sigprocmask(sig_unblock, 0, f8ill_ptr_to_kulong(old_set));
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printf("sigprocmask(SIG_UNBLOCK, NULL, %#jx) = %s\n",
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(uintmax_t) f8ill_ptr_to_kulong(old_set), errstr);
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}
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sigemptyset(libc_set);
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sigaddset(libc_set, SIGHUP);
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memcpy(new_set, libc_set, sizeof(*new_set));
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k_sigprocmask(sig_block, (uintptr_t) new_set, (uintptr_t) old_set);
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puts("sigprocmask(SIG_BLOCK, [HUP], []) = 0");
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memset(libc_set, -1, sizeof(*libc_set));
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sigdelset(libc_set, SIGHUP);
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memcpy(new_set, libc_set, sizeof(*new_set));
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k_sigprocmask(sig_unblock, (uintptr_t) new_set, (uintptr_t) old_set);
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puts("sigprocmask(SIG_UNBLOCK, ~[HUP], [HUP]) = 0");
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sigdelset(libc_set, SIGKILL);
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memcpy(new_set, libc_set, sizeof(*new_set));
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k_sigprocmask(sig_unblock, (uintptr_t) new_set, (uintptr_t) old_set);
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puts("sigprocmask(SIG_UNBLOCK, ~[HUP KILL], [HUP]) = 0");
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sigemptyset(libc_set);
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sigaddset(libc_set, SIGHUP);
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sigaddset(libc_set, SIGINT);
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sigaddset(libc_set, SIGQUIT);
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sigaddset(libc_set, SIGALRM);
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sigaddset(libc_set, SIGTERM);
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memcpy(new_set, libc_set, sizeof(*new_set));
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k_sigprocmask(sig_block, (uintptr_t) new_set, (uintptr_t) old_set);
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printf("sigprocmask(SIG_BLOCK, %s, [HUP]) = 0\n",
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"[HUP INT QUIT ALRM TERM]");
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k_sigprocmask(sig_setmask, 0, (uintptr_t) old_set);
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printf("sigprocmask(SIG_SETMASK, NULL, %s) = 0\n",
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"[HUP INT QUIT ALRM TERM]");
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k_sigprocmask(sig_setmask, (uintptr_t) (new_set + 1), 0);
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printf("sigprocmask(SIG_SETMASK, %p, NULL) = %s\n",
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new_set + 1, errstr);
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k_sigprocmask(sig_setmask,
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(uintptr_t) new_set, (uintptr_t) (old_set + 1));
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printf("sigprocmask(SIG_SETMASK, %s, %p) = %s\n",
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"[HUP INT QUIT ALRM TERM]", old_set + 1, errstr);
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uintptr_t efault = sizeof(*new_set) / 2 + (uintptr_t) new_set;
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k_sigprocmask(sig_setmask, efault, 0);
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printf("sigprocmask(SIG_SETMASK, %#jx, NULL) = %s\n",
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(uintmax_t) efault, errstr);
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k_sigprocmask(sig_setmask, 0, efault);
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printf("sigprocmask(SIG_SETMASK, NULL, %#jx) = %s\n",
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(uintmax_t) efault, errstr);
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puts("+++ exited with 0 +++");
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return 0;
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}
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#else
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SKIP_MAIN_UNDEFINED("__NR_sigprocmask")
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#endif
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