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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
commit | 6bf0a5cb5034a7e684dcc3500e841785237ce2dd (patch) | |
tree | a68f146d7fa01f0134297619fbe7e33db084e0aa /media/ffvpx/compat/atomics/win32/stdatomic.h | |
parent | Initial commit. (diff) | |
download | thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.tar.xz thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.zip |
Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | media/ffvpx/compat/atomics/win32/stdatomic.h | 181 |
1 files changed, 181 insertions, 0 deletions
diff --git a/media/ffvpx/compat/atomics/win32/stdatomic.h b/media/ffvpx/compat/atomics/win32/stdatomic.h new file mode 100644 index 0000000000..28a627bfd3 --- /dev/null +++ b/media/ffvpx/compat/atomics/win32/stdatomic.h @@ -0,0 +1,181 @@ +/* + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef COMPAT_ATOMICS_WIN32_STDATOMIC_H +#define COMPAT_ATOMICS_WIN32_STDATOMIC_H + +#define WIN32_LEAN_AND_MEAN +#include <stddef.h> +#include <stdint.h> +#include <windows.h> + +#define ATOMIC_FLAG_INIT 0 + +#define ATOMIC_VAR_INIT(value) (value) + +#define atomic_init(obj, value) \ +do { \ + *(obj) = (value); \ +} while(0) + +#define kill_dependency(y) ((void)0) + +#define atomic_thread_fence(order) \ + MemoryBarrier(); + +#define atomic_signal_fence(order) \ + ((void)0) + +#define atomic_is_lock_free(obj) 0 + +typedef intptr_t atomic_flag; +typedef intptr_t atomic_bool; +typedef intptr_t atomic_char; +typedef intptr_t atomic_schar; +typedef intptr_t atomic_uchar; +typedef intptr_t atomic_short; +typedef intptr_t atomic_ushort; +typedef intptr_t atomic_int; +typedef intptr_t atomic_uint; +typedef intptr_t atomic_long; +typedef intptr_t atomic_ulong; +typedef intptr_t atomic_llong; +typedef intptr_t atomic_ullong; +typedef intptr_t atomic_wchar_t; +typedef intptr_t atomic_int_least8_t; +typedef intptr_t atomic_uint_least8_t; +typedef intptr_t atomic_int_least16_t; +typedef intptr_t atomic_uint_least16_t; +typedef intptr_t atomic_int_least32_t; +typedef intptr_t atomic_uint_least32_t; +typedef intptr_t atomic_int_least64_t; +typedef intptr_t atomic_uint_least64_t; +typedef intptr_t atomic_int_fast8_t; +typedef intptr_t atomic_uint_fast8_t; +typedef intptr_t atomic_int_fast16_t; +typedef intptr_t atomic_uint_fast16_t; +typedef intptr_t atomic_int_fast32_t; +typedef intptr_t atomic_uint_fast32_t; +typedef intptr_t atomic_int_fast64_t; +typedef intptr_t atomic_uint_fast64_t; +typedef intptr_t atomic_intptr_t; +typedef intptr_t atomic_uintptr_t; +typedef intptr_t atomic_size_t; +typedef intptr_t atomic_ptrdiff_t; +typedef intptr_t atomic_intmax_t; +typedef intptr_t atomic_uintmax_t; + +#define atomic_store(object, desired) \ +do { \ + *(object) = (desired); \ + MemoryBarrier(); \ +} while (0) + +#define atomic_store_explicit(object, desired, order) \ + atomic_store(object, desired) + +#define atomic_load(object) \ + (MemoryBarrier(), *(object)) + +#define atomic_load_explicit(object, order) \ + atomic_load(object) + +#define atomic_exchange(object, desired) \ + InterlockedExchangePointer((PVOID volatile *)object, (PVOID)desired) + +#define atomic_exchange_explicit(object, desired, order) \ + atomic_exchange(object, desired) + +static inline int atomic_compare_exchange_strong(intptr_t *object, intptr_t *expected, + intptr_t desired) +{ + intptr_t old = *expected; + *expected = (intptr_t)InterlockedCompareExchangePointer( + (PVOID *)object, (PVOID)desired, (PVOID)old); + return *expected == old; +} + +#define atomic_compare_exchange_strong_explicit(object, expected, desired, success, failure) \ + atomic_compare_exchange_strong(object, expected, desired) + +#define atomic_compare_exchange_weak(object, expected, desired) \ + atomic_compare_exchange_strong(object, expected, desired) + +#define atomic_compare_exchange_weak_explicit(object, expected, desired, success, failure) \ + atomic_compare_exchange_weak(object, expected, desired) + +#ifdef _WIN64 +#define atomic_fetch_add(object, operand) \ + InterlockedExchangeAdd64(object, operand) + +#define atomic_fetch_sub(object, operand) \ + InterlockedExchangeAdd64(object, -(operand)) + +#define atomic_fetch_or(object, operand) \ + InterlockedOr64(object, operand) + +#define atomic_fetch_xor(object, operand) \ + InterlockedXor64(object, operand) + +#define atomic_fetch_and(object, operand) \ + InterlockedAnd64(object, operand) +#else +#define atomic_fetch_add(object, operand) \ + InterlockedExchangeAdd(object, operand) + +#define atomic_fetch_sub(object, operand) \ + InterlockedExchangeAdd(object, -(operand)) + +#define atomic_fetch_or(object, operand) \ + InterlockedOr(object, operand) + +#define atomic_fetch_xor(object, operand) \ + InterlockedXor(object, operand) + +#define atomic_fetch_and(object, operand) \ + InterlockedAnd(object, operand) +#endif /* _WIN64 */ + +#define atomic_fetch_add_explicit(object, operand, order) \ + atomic_fetch_add(object, operand) + +#define atomic_fetch_sub_explicit(object, operand, order) \ + atomic_fetch_sub(object, operand) + +#define atomic_fetch_or_explicit(object, operand, order) \ + atomic_fetch_or(object, operand) + +#define atomic_fetch_xor_explicit(object, operand, order) \ + atomic_fetch_xor(object, operand) + +#define atomic_fetch_and_explicit(object, operand, order) \ + atomic_fetch_and(object, operand) + +#define atomic_flag_test_and_set(object) \ + atomic_exchange(object, 1) + +#define atomic_flag_test_and_set_explicit(object, order) \ + atomic_flag_test_and_set(object) + +#define atomic_flag_clear(object) \ + atomic_store(object, 0) + +#define atomic_flag_clear_explicit(object, order) \ + atomic_flag_clear(object) + +#endif /* COMPAT_ATOMICS_WIN32_STDATOMIC_H */ |