Dmitry V. Levin
cadf3543f7
* tests/xet_robust_list.c: Use SKIP_MAIN_UNDEFINED. (main): Use perror_msg_and_skip and tail_alloc.
69 lines
2.6 KiB
C
69 lines
2.6 KiB
C
/*
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* Copyright (c) 2015-2016 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 <sys/syscall.h>
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#if defined __NR_get_robust_list && defined __NR_set_robust_list
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# include <stdio.h>
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# include <unistd.h>
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int
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main(void)
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{
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const pid_t pid = getpid();
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const long long_pid = (unsigned long) (0xdeadbeef00000000LL | pid);
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void **p_head = tail_alloc(sizeof(void *));
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size_t *p_len = tail_alloc(sizeof(size_t));
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if (syscall(__NR_get_robust_list, long_pid, p_head, p_len))
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perror_msg_and_skip("get_robust_list");
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printf("get_robust_list(%d, [%#lx], [%lu]) = 0\n",
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(int) pid, (unsigned long) *p_head, (unsigned long) *p_len);
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void *head = tail_alloc(*p_len);
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if (syscall(__NR_set_robust_list, head, *p_len))
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perror_msg_and_skip("set_robust_list");
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printf("set_robust_list(%p, %lu) = 0\n",
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head, (unsigned long) *p_len);
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if (syscall(__NR_get_robust_list, long_pid, p_head, p_len))
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perror_msg_and_skip("get_robust_list");
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printf("get_robust_list(%d, [%#lx], [%lu]) = 0\n",
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(int) pid, (unsigned long) *p_head, (unsigned long) *p_len);
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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_get_robust_list && __NR_set_robust_list")
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#endif
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