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aa347029da
Thread sanitizer doesn't support futexes, so don't use them in this case and fall back to standard mutexes. With that we can avoid tsan reporting a large number of false positives. v2: use #if instead of #ifdef to test the value of the define Signed-off-by: Gert Wollny <gert.wollny@collabora.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/28650>
61 lines
1.9 KiB
C
61 lines
1.9 KiB
C
/*
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* Copyright © 2015 Intel
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*/
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#ifndef UTIL_FUTEX_H
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#define UTIL_FUTEX_H
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#if THREAD_SANITIZER
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#define UTIL_FUTEX_SUPPORTED 0
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#else
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#if defined(HAVE_LINUX_FUTEX_H) && defined(__linux__)
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#define UTIL_FUTEX_SUPPORTED 1
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#elif defined(__FreeBSD__)
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#define UTIL_FUTEX_SUPPORTED 1
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#elif defined(__OpenBSD__)
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#define UTIL_FUTEX_SUPPORTED 1
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#elif defined(_WIN32) && !defined(WINDOWS_NO_FUTEX)
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#define UTIL_FUTEX_SUPPORTED 1
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#else
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#define UTIL_FUTEX_SUPPORTED 0
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#endif
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#endif
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#if UTIL_FUTEX_SUPPORTED
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#include <stdint.h>
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#include <c11/time.h>
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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#if UTIL_FUTEX_SUPPORTED
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int futex_wake(uint32_t *addr, int32_t count);
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int futex_wait(uint32_t *addr, int32_t value, const struct timespec *timeout);
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif /* UTIL_FUTEX_H */
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