107 lines
3.1 KiB
C
107 lines
3.1 KiB
C
/*
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* Check decoding of sigpending 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_sigpending
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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_sigpending(const kernel_ulong_t set)
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{
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const long rc = syscall(__NR_sigpending, 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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TAIL_ALLOC_OBJECT_CONST_PTR(kernel_ulong_t, k_set);
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TAIL_ALLOC_OBJECT_CONST_PTR(sigset_t, libc_set);
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sigemptyset(libc_set);
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if (sigprocmask(SIG_SETMASK, libc_set, NULL))
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perror_msg_and_fail("sigprocmask");
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if (k_sigpending((uintptr_t) libc_set))
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perror_msg_and_skip("sigpending");
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else
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puts("sigpending([]) = 0");
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k_sigpending((uintptr_t) k_set);
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puts("sigpending([]) = 0");
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k_sigpending((uintptr_t) (k_set + 1));
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printf("sigpending(%p) = -1 EFAULT (%m)\n", k_set + 1);
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uintptr_t efault = sizeof(*k_set) / 2 + (uintptr_t) k_set;
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k_sigpending(efault);
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printf("sigpending(%#jx) = -1 EFAULT (%m)\n", (uintmax_t) efault);
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sigaddset(libc_set, SIGHUP);
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if (sigprocmask(SIG_SETMASK, libc_set, NULL))
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perror_msg_and_fail("sigprocmask");
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raise(SIGHUP);
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k_sigpending((uintptr_t) k_set);
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puts("sigpending([HUP]) = 0");
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sigaddset(libc_set, SIGINT);
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if (sigprocmask(SIG_SETMASK, libc_set, NULL))
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perror_msg_and_fail("sigprocmask");
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raise(SIGINT);
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k_sigpending((uintptr_t) k_set);
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puts("sigpending([HUP INT]) = 0");
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if (F8ILL_KULONG_SUPPORTED) {
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k_sigpending(f8ill_ptr_to_kulong(k_set));
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printf("sigpending(%#jx) = %s\n",
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(uintmax_t) f8ill_ptr_to_kulong(k_set), errstr);
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}
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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_sigpending")
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#endif
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