Dmitry V. Levin
fa5e5d9854
Automatically change tests/*.c files using the following script:
for f in tests/*.c; do
grep -q '\<assert(' "$f" ||
sed -i '/# *include *<assert\.h>/d' "$f"
done
64 lines
2.2 KiB
C
64 lines
2.2 KiB
C
/*
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* Check decoding of sync_file_range syscall.
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*
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* Copyright (c) 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 <fcntl.h>
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#include <sys/syscall.h>
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#if defined HAVE_SYNC_FILE_RANGE && defined __NR_sync_file_range
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# include <stdio.h>
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int
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main(void)
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{
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const int fd = -1;
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const off64_t offset = 0xdeadbeefbadc0ded;
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const off64_t nbytes = 0xfacefeedcafef00d;
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const unsigned int flags = -1;
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int rc = sync_file_range(fd, offset, nbytes, flags);
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printf("%s(%d, %lld, %lld, SYNC_FILE_RANGE_WAIT_BEFORE"
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"|SYNC_FILE_RANGE_WRITE|SYNC_FILE_RANGE_WAIT_AFTER"
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"|0xfffffff8) = %d %s (%m)\n",
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"sync_file_range", fd,
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(long long) offset,
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(long long) nbytes,
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rc, errno2name());
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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("HAVE_SYNC_FILE_RANGE && __NR_sync_file_range")
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#endif
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