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authorAnton Khirnov <anton@khirnov.net>2024-09-09 15:59:33 +0200
committerAnton Khirnov <anton@khirnov.net>2024-09-23 17:08:46 +0200
commit8c185ef4e7a2f58f2a8a71c7696fb81837d936b6 (patch)
treef6d5e92236b4b8e4a577fdf0f03b520d97750642 /compat/atomics/pthread/stdatomic.h
parent6b3f9c2e92ba1973de031554c6929a8eace3c87c (diff)
downloadffmpeg-8c185ef4e7a2f58f2a8a71c7696fb81837d936b6.tar.gz
compat: drop gcc, suncc, and pthreads stdatomic emulation
Since we now require a C11-compliant compiler, there should be no supported configurations where any of these is used.
Diffstat (limited to 'compat/atomics/pthread/stdatomic.h')
-rw-r--r--compat/atomics/pthread/stdatomic.h197
1 files changed, 0 insertions, 197 deletions
diff --git a/compat/atomics/pthread/stdatomic.h b/compat/atomics/pthread/stdatomic.h
deleted file mode 100644
index 81a60f102b..0000000000
--- a/compat/atomics/pthread/stdatomic.h
+++ /dev/null
@@ -1,197 +0,0 @@
-/*
- * 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
- */
-
-/*
- * based on vlc_atomic.h from VLC
- * Copyright (C) 2010 Rémi Denis-Courmont
- */
-
-#ifndef COMPAT_ATOMICS_PTHREAD_STDATOMIC_H
-#define COMPAT_ATOMICS_PTHREAD_STDATOMIC_H
-
-#include <stdint.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_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;
-
-void avpriv_atomic_lock(void);
-void avpriv_atomic_unlock(void);
-
-static inline void atomic_thread_fence(int order)
-{
- avpriv_atomic_lock();
- avpriv_atomic_unlock();
-}
-
-static inline void atomic_store(intptr_t *object, intptr_t desired)
-{
- avpriv_atomic_lock();
- *object = desired;
- avpriv_atomic_unlock();
-}
-
-#define atomic_store_explicit(object, desired, order) \
- atomic_store(object, desired)
-
-static inline intptr_t atomic_load(intptr_t *object)
-{
- intptr_t ret;
- avpriv_atomic_lock();
- ret = *object;
- avpriv_atomic_unlock();
- return ret;
-}
-
-#define atomic_load_explicit(object, order) \
- atomic_load(object)
-
-static inline intptr_t atomic_exchange(intptr_t *object, intptr_t desired)
-{
- intptr_t ret;
- avpriv_atomic_lock();
- ret = *object;
- *object = desired;
- avpriv_atomic_unlock();
- return ret;
-}
-
-#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)
-{
- int ret;
- avpriv_atomic_lock();
- if (*object == *expected) {
- ret = 1;
- *object = desired;
- } else {
- ret = 0;
- *expected = *object;
- }
- avpriv_atomic_unlock();
- return ret;
-}
-
-#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)
-
-#define FETCH_MODIFY(opname, op) \
-static inline intptr_t atomic_fetch_ ## opname(intptr_t *object, intptr_t operand) \
-{ \
- intptr_t ret; \
- avpriv_atomic_lock(); \
- ret = *object; \
- *object = *object op operand; \
- avpriv_atomic_unlock(); \
- return ret; \
-}
-
-FETCH_MODIFY(add, +)
-FETCH_MODIFY(sub, -)
-FETCH_MODIFY(or, |)
-FETCH_MODIFY(xor, ^)
-FETCH_MODIFY(and, &)
-
-#undef FETCH_MODIFY
-
-#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_PTHREAD_STDATOMIC_H */