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92 lines
3.6 KiB
C
92 lines
3.6 KiB
C
/*
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----------------------------------------------------------------
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Notice that the following BSD-style license applies to this one
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file (helgrind.h) only. The entire rest of Valgrind is licensed
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under the terms of the GNU General Public License, version 2. See
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the COPYING file in the source distribution for details.
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----------------------------------------------------------------
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This file is part of helgrind, a Valgrind tool for detecting
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data races in threaded programs.
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Copyright (C) 2002-2004 Nicholas Nethercote. All rights reserved.
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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. The origin of this software must not be misrepresented; you must
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not claim that you wrote the original software. If you use this
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software in a product, an acknowledgment in the product
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documentation would be appreciated but is not required.
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3. Altered source versions must be plainly marked as such, and must
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not be misrepresented as being the original software.
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4. The name of the author may not be used to endorse or promote
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products derived from this software without specific prior written
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permission.
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THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
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OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
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DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
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GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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----------------------------------------------------------------
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Notice that the above BSD-style license applies to this one file
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(helgrind.h) only. The entire rest of Valgrind is licensed under
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the terms of the GNU General Public License, version 2. See the
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COPYING file in the source distribution for details.
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----------------------------------------------------------------
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*/
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#ifndef __HELGRIND_H
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#define __HELGRIND_H
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#include "valgrind.h"
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typedef
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enum {
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VG_USERREQ__HG_CLEAN_MEMORY = VG_USERREQ_SKIN_BASE('H','G'),
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VG_USERREQ__HG_KNOWN_RACE
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} Vg_HelgrindClientRequest;
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/* Clean memory state. This makes Helgrind forget everything it knew
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about the specified memory range, and resets it to virgin. This is
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particularly useful for memory allocators who wish to recycle
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memory. */
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#define VALGRIND_HG_CLEAN_MEMORY(_qzz_start, _qzz_len) \
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do { \
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unsigned int _qzz_res; \
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VALGRIND_MAGIC_SEQUENCE(_qzz_res, 0, VG_USERREQ__HG_CLEAN_MEMORY, \
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_qzz_start, _qzz_len, 0, 0); \
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(void)0; \
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} while(0)
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/* Mark memory as known racy. This puts the memory range specified
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into the error state, so that data race errors are not reported
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against it. */
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#define VALGRIND_HG_KNOWN_RACE(_qzz_start, _qzz_len) \
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do { \
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unsigned int _qzz_res; \
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VALGRIND_MAGIC_SEQUENCE(_qzz_res, 0, VG_USERREQ__HG_KNOWN_RACE, \
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_qzz_start, _qzz_len, 0, 0); \
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(void)0; \
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} while(0)
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#endif /* __HELGRIND_H */
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