From 26a029d407be480d791972afb5975cf62c9360a6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Fri, 19 Apr 2024 02:47:55 +0200 Subject: Adding upstream version 124.0.1. Signed-off-by: Daniel Baumann --- third_party/dav1d/include/compat/msvc/stdatomic.h | 82 +++++++++++++++++++++++ 1 file changed, 82 insertions(+) create mode 100644 third_party/dav1d/include/compat/msvc/stdatomic.h (limited to 'third_party/dav1d/include/compat/msvc') diff --git a/third_party/dav1d/include/compat/msvc/stdatomic.h b/third_party/dav1d/include/compat/msvc/stdatomic.h new file mode 100644 index 0000000000..618f0ee87d --- /dev/null +++ b/third_party/dav1d/include/compat/msvc/stdatomic.h @@ -0,0 +1,82 @@ +/* +* Copyright © 2018, VideoLAN and dav1d authors +* All rights reserved. +* +* Redistribution and use in source and binary forms, with or without +* modification, are permitted provided that the following conditions are met: +* +* 1. Redistributions of source code must retain the above copyright notice, this +* list of conditions and the following disclaimer. +* +* 2. Redistributions in binary form must reproduce the above copyright notice, +* this list of conditions and the following disclaimer in the documentation +* and/or other materials provided with the distribution. +* +* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND +* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED +* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE +* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR +* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES +* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; +* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND +* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS +* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + +#ifndef MSCVER_STDATOMIC_H_ +#define MSCVER_STDATOMIC_H_ + +#if !defined(__cplusplus) && defined(_MSC_VER) + +#pragma warning(push) +#pragma warning(disable:4067) /* newline for __has_include_next */ + +#if defined(__clang__) && __has_include_next() + /* use the clang stdatomic.h with clang-cl*/ +# include_next +#else /* ! stdatomic.h */ + +#include + +#include "common/attributes.h" + +typedef volatile LONG atomic_int; +typedef volatile ULONG atomic_uint; + +typedef enum { + memory_order_relaxed, + memory_order_acquire +} msvc_atomic_memory_order; + +#define atomic_init(p_a, v) do { *(p_a) = (v); } while(0) +#define atomic_store(p_a, v) InterlockedExchange((LONG*)p_a, v) +#define atomic_load(p_a) InterlockedCompareExchange((LONG*)p_a, 0, 0) +#define atomic_exchange(p_a, v) InterlockedExchange(p_a, v) +#define atomic_load_explicit(p_a, mo) atomic_load(p_a) + +static inline int atomic_compare_exchange_strong_int(LONG *obj, LONG *expected, + LONG desired) +{ + LONG orig = *expected; + *expected = InterlockedCompareExchange(obj, desired, orig); + return *expected == orig; +} +#define atomic_compare_exchange_strong(p_a, expected, desired) atomic_compare_exchange_strong_int((LONG *)p_a, (LONG *)expected, (LONG)desired) + +/* + * TODO use a special call to increment/decrement + * using InterlockedIncrement/InterlockedDecrement + */ +#define atomic_fetch_add(p_a, inc) InterlockedExchangeAdd(p_a, inc) +#define atomic_fetch_sub(p_a, dec) InterlockedExchangeAdd(p_a, -(dec)) +#define atomic_fetch_or(p_a, v) InterlockedOr(p_a, v) +#define atomic_fetch_add_explicit(p_a, inc, mo) atomic_fetch_add(p_a, inc) + +#endif /* ! stdatomic.h */ + +#pragma warning(pop) + +#endif /* !defined(__cplusplus) && defined(_MSC_VER) */ + +#endif /* MSCVER_STDATOMIC_H_ */ -- cgit v1.2.3