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sync: channel implementation (#6074)

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This commit is contained in:
Uwe Krüger
2020-08-06 15:28:19 +02:00
committed by GitHub
parent 09f1362305
commit 863cf8af60
15 changed files with 1532 additions and 51 deletions
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431
thirdparty/stdatomic/nix/atomic.h vendored
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@ -1,8 +1,11 @@
/*
Compability header for stdatomic.h that works for all compilers supported
by V. For TCC the atomic features missing are implemented using mutex locks
by V. For TCC libatomic from the operating system is used
*/
#ifndef __ATOMIC_H
#define __ATOMIC_H
#ifndef __cplusplus
// If C just use stdatomic.h
#ifndef __TINYC__
@ -14,41 +17,419 @@
#endif
#ifdef __TINYC__
#include <pthread.h>
typedef intptr_t atomic_llong;
typedef intptr_t atomic_ullong;
typedef volatile long long atomic_llong;
typedef volatile unsigned long long atomic_ullong;
typedef volatile uintptr_t atomic_uintptr_t;
pthread_mutex_t lock = PTHREAD_MUTEX_INITIALIZER;
// use functions for 64, 32 and 8 bit from libatomic directly
// since tcc is not capible to use "generic" C functions
// there is no header file for libatomic so we provide function declarations here
/*
Wrapper for TCC to use mutex locks since it lacks the atomic functions
*/
static inline intptr_t atomic_fetch_add_explicit(intptr_t *x, size_t offset, int mo)
{
pthread_mutex_lock(&lock);
extern unsigned long long __atomic_load_8(unsigned long long* x, int mo);
extern void __atomic_store_8(unsigned long long* x, unsigned long long y, int mo);
extern _Bool __atomic_compare_exchange_8(unsigned long long* x, unsigned long long* expected, unsigned long long y, int mo, int mo2);
extern _Bool __atomic_compare_exchange_8(unsigned long long* x, unsigned long long* expected, unsigned long long y, int mo, int mo2);
extern unsigned long long __atomic_exchange_8(unsigned long long* x, unsigned long long y, int mo);
extern unsigned long long __atomic_fetch_add_8(unsigned long long* x, unsigned long long y, int mo);
extern unsigned long long __atomic_fetch_sub_8(unsigned long long* x, unsigned long long y, int mo);
extern unsigned long long __atomic_fetch_and_8(unsigned long long* x, unsigned long long y, int mo);
extern unsigned long long __atomic_fetch_or_8(unsigned long long* x, unsigned long long y, int mo);
extern unsigned long long __atomic_fetch_xor_8(unsigned long long* x, unsigned long long y, int mo);
intptr_t old_value = *x;
*x = *x + offset;
extern unsigned int __atomic_load_4(unsigned int* x, int mo);
extern void __atomic_store_4(unsigned int* x, unsigned int y, int mo);
extern _Bool __atomic_compare_exchange_4(unsigned int* x, unsigned int* expected, unsigned int y, int mo, int mo2);
extern _Bool __atomic_compare_exchange_4(unsigned int* x, unsigned int* expected, unsigned int y, int mo, int mo2);
extern unsigned int __atomic_exchange_4(unsigned int* x, unsigned int y, int mo);
extern unsigned int __atomic_fetch_add_4(unsigned int* x, unsigned int y, int mo);
extern unsigned int __atomic_fetch_sub_4(unsigned int* x, unsigned int y, int mo);
extern unsigned int __atomic_fetch_and_4(unsigned int* x, unsigned int y, int mo);
extern unsigned int __atomic_fetch_or_4(unsigned int* x, unsigned int y, int mo);
extern unsigned int __atomic_fetch_xor_4(unsigned int* x, unsigned int y, int mo);
pthread_mutex_unlock(&lock);
extern unsigned short __atomic_load_2(unsigned short* x, int mo);
extern void __atomic_store_2(unsigned short* x, unsigned short y, int mo);
extern _Bool __atomic_compare_exchange_2(unsigned short* x, unsigned short* expected, unsigned short y, int mo, int mo2);
extern _Bool __atomic_compare_exchange_2(unsigned short* x, unsigned short* expected, unsigned short y, int mo, int mo2);
extern unsigned short __atomic_exchange_2(unsigned short* x, unsigned short y, int mo);
extern unsigned short __atomic_fetch_add_2(unsigned short* x, unsigned short y, int mo);
extern unsigned short __atomic_fetch_sub_2(unsigned short* x, unsigned short y, int mo);
extern unsigned short __atomic_fetch_and_2(unsigned short* x, unsigned short y, int mo);
extern unsigned short __atomic_fetch_or_2(unsigned short* x, unsigned short y, int mo);
extern unsigned short __atomic_fetch_xor_2(unsigned short* x, unsigned short y, int mo);
return old_value;
extern unsigned char __atomic_load_1(unsigned char* x, int mo);
extern void __atomic_store_1(unsigned char* x, unsigned char y, int mo);
extern _Bool __atomic_compare_exchange_1(unsigned char* x, unsigned char* expected, unsigned char y, int mo, int mo2);
extern _Bool __atomic_compare_exchange_1(unsigned char* x, unsigned char* expected, unsigned char y, int mo, int mo2);
extern unsigned char __atomic_exchange_1(unsigned char* x, unsigned char y, int mo);
extern unsigned char __atomic_fetch_add_1(unsigned char* x, unsigned char y, int mo);
extern unsigned char __atomic_fetch_sub_1(unsigned char* x, unsigned char y, int mo);
extern unsigned char __atomic_fetch_and_1(unsigned char* x, unsigned char y, int mo);
extern unsigned char __atomic_fetch_or_1(unsigned char* x, unsigned char y, int mo);
extern unsigned char __atomic_fetch_xor_1(unsigned char* x, unsigned char y, int mo);
// The default functions should work with pointers so we have to decide based on pointer size
#if UINTPTR_MAX == 0xFFFFFFFF
#define atomic_load_explicit __atomic_load_4
#define atomic_store_explicit __atomic_store_4
#define atomic_compare_exchange_weak_explicit __atomic_compare_exchange_4
#define atomic_compare_exchange_strong_explicit __atomic_compare_exchange_4
#define atomic_exchange_explicit __atomic_exchange_4
#define atomic_fetch_add_explicit __atomic_fetch_add_4
#define atomic_fetch_sub_explicit __atomic_sub_fetch_4
#else
#define atomic_load_explicit __atomic_load_8
#define atomic_store_explicit __atomic_store_8
#define atomic_compare_exchange_weak_explicit __atomic_compare_exchange_8
#define atomic_compare_exchange_strong_explicit __atomic_compare_exchange_8
#define atomic_exchange_explicit __atomic_exchange_8
#define atomic_fetch_add_explicit __atomic_fetch_add_8
#define atomic_fetch_sub_explicit __atomic_sub_fetch_8
#endif
// memory order policies - we use "sequentially consistent" by default
#define memory_order_relaxed 0
#define memory_order_consume 1
#define memory_order_acquire 2
#define memory_order_release 3
#define memory_order_acq_rel 4
#define memory_order_seq_cst 5
static inline uintptr_t atomic_load(uintptr_t* x) {
return atomic_load_explicit(x, memory_order_seq_cst);
}
static inline void atomic_store(uintptr_t* x, uintptr_t y) {
atomic_store_explicit(x, y, memory_order_seq_cst);
}
static inline int atomic_compare_exchange_weak(uintptr_t* x, uintptr_t* expected, uintptr_t y) {
return (int)atomic_compare_exchange_weak_explicit(x, expected, y, memory_order_seq_cst, memory_order_seq_cst);
}
static inline int atomic_compare_exchange_strong(uintptr_t* x, uintptr_t* expected, uintptr_t y) {
return (int)atomic_compare_exchange_strong_explicit(x, expected, y, memory_order_seq_cst, memory_order_seq_cst);
}
static inline uintptr_t atomic_exchange(uintptr_t* x, uintptr_t y) {
return atomic_exchange_explicit(x, y, memory_order_seq_cst);
}
static inline uintptr_t atomic_fetch_add(uintptr_t* x, uintptr_t y) {
return atomic_fetch_add_explicit(x, y, memory_order_seq_cst);
}
static inline uintptr_t atomic_fetch_sub(uintptr_t* x, uintptr_t y) {
return atomic_fetch_sub_explicit(x, y, memory_order_seq_cst);
}
static inline uintptr_t atomic_fetch_and(uintptr_t* x, uintptr_t y) {
return atomic_fetch_and_explicit(x, y, memory_order_seq_cst);
}
static inline uintptr_t atomic_fetch_or(uintptr_t* x, uintptr_t y) {
return atomic_fetch_or_explicit(x, y, memory_order_seq_cst);
}
static inline uintptr_t atomic_fetch_xor(uintptr_t* x, uintptr_t y) {
return atomic_fetch_xor_explicit(x, y, memory_order_seq_cst);
}
/*
Wrapper for TCC to use mutex locks since it lacks the atomic functions
*/
static inline intptr_t atomic_fetch_sub_explicit(intptr_t *x, size_t offset, int mo)
{
pthread_mutex_lock(&lock);
#define atomic_load_ptr atomic_load
#define atomic_store_ptr atomic_store
#define atomic_compare_exchange_weak_ptr atomic_compare_exchange_weak
#define atomic_compare_exchange_strong_ptr atomic_compare_exchange_strong
#define atomic_exchange_ptr atomic_exchange
#define atomic_fetch_add_ptr atomic_fetch_add
#define atomic_fetch_sub_ptr atomic_fetch_sub
#define atomic_fetch_and_ptr atomic_fetch_and
#define atomic_fetch_or_ptr atomic_fetch_or
#define atomic_fetch_xor_ptr atomic_fetch_xor
intptr_t old_value = *x;
*x = *x - offset;
// specialized versions for 64 bit
pthread_mutex_unlock(&lock);
static inline unsigned long long atomic_load_u64(unsigned long long* x) {
return __atomic_load_8(x, memory_order_seq_cst);
}
static inline void atomic_store_u64(unsigned long long* x, unsigned long long y) {
__atomic_store_8(x, y, memory_order_seq_cst);
}
static inline int atomic_compare_exchange_weak_u64(unsigned long long* x, unsigned long long* expected, unsigned long long y) {
return (int)__atomic_compare_exchange_8(x, expected, y, memory_order_seq_cst, memory_order_seq_cst);
}
static inline int atomic_compare_exchange_strong_u64(unsigned long long* x, unsigned long long* expected, unsigned long long y) {
return (int)__atomic_compare_exchange_8(x, expected, y, memory_order_seq_cst, memory_order_seq_cst);
}
static inline unsigned long long atomic_exchange_u64(unsigned long long* x, unsigned long long y) {
return __atomic_exchange_8(x, y, memory_order_seq_cst);
}
static inline unsigned long long atomic_fetch_add_u64(unsigned long long* x, unsigned long long y) {
return __atomic_fetch_add_8(x, y, memory_order_seq_cst);
}
static inline unsigned long long atomic_fetch_sub_u64(unsigned long long* x, unsigned long long y) {
return __atomic_fetch_sub_8(x, y, memory_order_seq_cst);
}
static inline unsigned long long atomic_fetch_and_u64(unsigned long long* x, unsigned long long y) {
return __atomic_fetch_and_8(x, y, memory_order_seq_cst);
}
static inline unsigned long long atomic_fetch_or_u64(unsigned long long* x, unsigned long long y) {
return __atomic_fetch_or_8(x, y, memory_order_seq_cst);
}
static inline unsigned long long atomic_fetch_xor_u64(unsigned long long* x, unsigned long long y) {
return __atomic_fetch_xor_8(x, y, memory_order_seq_cst);
}
return old_value;
static inline unsigned atomic_load_u32(unsigned* x) {
return __atomic_load_4(x, memory_order_seq_cst);
}
static inline void atomic_store_u32(unsigned* x, unsigned y) {
__atomic_store_4(x, y, memory_order_seq_cst);
}
static inline int atomic_compare_exchange_weak_u32(unsigned* x, unsigned* expected, unsigned y) {
return (int)__atomic_compare_exchange_4(x, expected, y, memory_order_seq_cst, memory_order_seq_cst);
}
static inline int atomic_compare_exchange_strong_u32(unsigned* x, unsigned* expected, unsigned y) {
return (int)__atomic_compare_exchange_4(x, expected, y, memory_order_seq_cst, memory_order_seq_cst);
}
static inline unsigned atomic_exchange_u32(unsigned* x, unsigned y) {
return __atomic_exchange_4(x, y, memory_order_seq_cst);
}
static inline unsigned atomic_fetch_add_u32(unsigned* x, unsigned y) {
return __atomic_fetch_add_4(x, y, memory_order_seq_cst);
}
static inline unsigned atomic_fetch_sub_u32(unsigned* x, unsigned y) {
return __atomic_fetch_sub_4(x, y, memory_order_seq_cst);
}
static inline unsigned atomic_fetch_and_u32(unsigned* x, unsigned y) {
return __atomic_fetch_and_4(x, y, memory_order_seq_cst);
}
static inline unsigned atomic_fetch_or_u32(unsigned* x, unsigned y) {
return __atomic_fetch_or_4(x, y, memory_order_seq_cst);
}
static inline unsigned atomic_fetch_xor_u32(unsigned* x, unsigned y) {
return __atomic_fetch_xor_4(x, y, memory_order_seq_cst);
}
static inline unsigned short atomic_load_u16(unsigned short* x) {
return __atomic_load_2(x, memory_order_seq_cst);
}
static inline void atomic_store_u16(unsigned short* x, unsigned short y) {
__atomic_store_2(x, y, memory_order_seq_cst);
}
static inline int atomic_compare_exchange_weak_u16(unsigned short* x, unsigned short* expected, unsigned short y) {
return (int)__atomic_compare_exchange_2(x, expected, y, memory_order_seq_cst, memory_order_seq_cst);
}
static inline int atomic_compare_exchange_strong_u16(unsigned short* x, unsigned short* expected, unsigned short y) {
return (int)__atomic_compare_exchange_2(x, expected, y, memory_order_seq_cst, memory_order_seq_cst);
}
static inline unsigned short atomic_exchange_u16(unsigned short* x, unsigned short y) {
return __atomic_exchange_2(x, y, memory_order_seq_cst);
}
static inline unsigned short atomic_fetch_add_u16(unsigned short* x, unsigned short y) {
return __atomic_fetch_add_2(x, y, memory_order_seq_cst);
}
static inline unsigned short atomic_fetch_sub_u16(unsigned short* x, unsigned short y) {
return __atomic_fetch_sub_2(x, y, memory_order_seq_cst);
}
static inline unsigned short atomic_fetch_and_u16(unsigned short* x, unsigned short y) {
return __atomic_fetch_and_2(x, y, memory_order_seq_cst);
}
static inline unsigned short atomic_fetch_or_u16(unsigned short* x, unsigned short y) {
return __atomic_fetch_or_2(x, y, memory_order_seq_cst);
}
static inline unsigned short atomic_fetch_xor_u16(unsigned short* x, unsigned short y) {
return __atomic_fetch_xor_2(x, y, memory_order_seq_cst);
}
static inline unsigned char atomic_load_byte(unsigned char* x) {
return __atomic_load_1(x, memory_order_seq_cst);
}
static inline void atomic_store_byte(unsigned char* x, unsigned char y) {
__atomic_store_1(x, y, memory_order_seq_cst);
}
static inline int atomic_compare_exchange_weak_byte(unsigned char* x, unsigned char* expected, unsigned char y) {
return __atomic_compare_exchange_1(x, expected, y, memory_order_seq_cst, memory_order_seq_cst);
}
static inline int atomic_compare_exchange_strong_byte(unsigned char* x, unsigned char* expected, unsigned char y) {
return __atomic_compare_exchange_1(x, expected, y, memory_order_seq_cst, memory_order_seq_cst);
}
static inline unsigned char atomic_exchange_byte(unsigned char* x, unsigned char y) {
return __atomic_exchange_1(x, y, memory_order_seq_cst);
}
static inline unsigned char atomic_fetch_add_byte(unsigned char* x, unsigned char y) {
return __atomic_fetch_add_1(x, y, memory_order_seq_cst);
}
static inline unsigned char atomic_fetch_sub_byte(unsigned char* x, unsigned char y) {
return __atomic_fetch_sub_1(x, y, memory_order_seq_cst);
}
static inline unsigned char atomic_fetch_and_byte(unsigned char* x, unsigned char y) {
return __atomic_fetch_and_1(x, y, memory_order_seq_cst);
}
static inline unsigned char atomic_fetch_or_byte(unsigned char* x, unsigned char y) {
return __atomic_fetch_or_1(x, y, memory_order_seq_cst);
}
static inline unsigned char atomic_fetch_xor_byte(unsigned char* x, unsigned char y) {
return __atomic_fetch_xor_1(x, y, memory_order_seq_cst);
}
#else
// Since V might be confused with "generic" C functions either we provide special versions
// for gcc/clang, too
static inline unsigned long long atomic_load_u64(unsigned long long* x) {
return atomic_load_explicit((_Atomic unsigned long long*)x, memory_order_seq_cst);
}
static inline void atomic_store_u64(unsigned long long* x, unsigned long long y) {
atomic_store_explicit((_Atomic unsigned long long*)x, y, memory_order_seq_cst);
}
static inline int atomic_compare_exchange_weak_u64(unsigned long long* x, unsigned long long* expected, unsigned long long y) {
return (int)atomic_compare_exchange_weak_explicit((_Atomic unsigned long long*)x, expected, y, memory_order_seq_cst, memory_order_seq_cst);
}
static inline int atomic_compare_exchange_strong_u64(unsigned long long* x, unsigned long long* expected, unsigned long long y) {
return (int)atomic_compare_exchange_strong_explicit((_Atomic unsigned long long*)x, expected, y, memory_order_seq_cst, memory_order_seq_cst);
}
static inline unsigned long long atomic_exchange_u64(unsigned long long* x, unsigned long long y) {
return atomic_exchange_explicit((_Atomic unsigned long long*)x, y, memory_order_seq_cst);
}
static inline unsigned long long atomic_fetch_add_u64(unsigned long long* x, unsigned long long y) {
return atomic_fetch_add_explicit((_Atomic unsigned long long*)x, y, memory_order_seq_cst);
}
static inline unsigned long long atomic_fetch_sub_u64(unsigned long long* x, unsigned long long y) {
return atomic_fetch_sub_explicit((_Atomic unsigned long long*)x, y, memory_order_seq_cst);
}
static inline unsigned long long atomic_fetch_and_u64(unsigned long long* x, unsigned long long y) {
return atomic_fetch_and_explicit((_Atomic unsigned long long*)x, y, memory_order_seq_cst);
}
static inline unsigned long long atomic_fetch_or_u64(unsigned long long* x, unsigned long long y) {
return atomic_fetch_or_explicit((_Atomic unsigned long long*)x, y, memory_order_seq_cst);
}
static inline unsigned long long atomic_fetch_xor_u64(unsigned long long* x, unsigned long long y) {
return atomic_fetch_xor_explicit((_Atomic unsigned long long*)x, y, memory_order_seq_cst);
}
static inline void* atomic_load_ptr(void** x) {
return atomic_load_explicit((_Atomic uintptr_t*)x, memory_order_seq_cst);
}
static inline void atomic_store_ptr(void** x, void* y) {
atomic_store_explicit((_Atomic uintptr_t*)x, y, memory_order_seq_cst);
}
static inline int atomic_compare_exchange_weak_ptr(void** x, void** expected, void* y) {
return (int)atomic_compare_exchange_weak_explicit((_Atomic uintptr_t*)x, expected, y, memory_order_seq_cst, memory_order_seq_cst);
}
static inline int atomic_compare_exchange_strong_ptr(void** x, void** expected, void* y) {
return (int)atomic_compare_exchange_strong_explicit((_Atomic uintptr_t*)x, expected, y, memory_order_seq_cst, memory_order_seq_cst);
}
static inline void* atomic_exchange_ptr(void** x, void* y) {
return atomic_exchange_explicit((_Atomic uintptr_t*)x, y, memory_order_seq_cst);
}
static inline void* atomic_fetch_add_ptr(void** x, void* y) {
return atomic_fetch_add_explicit((_Atomic uintptr_t*)x, y, memory_order_seq_cst);
}
static inline void* atomic_fetch_sub_ptr(void** x, void* y) {
return atomic_fetch_sub_explicit((_Atomic uintptr_t*)x, y, memory_order_seq_cst);
}
static inline void* atomic_fetch_and_ptr(void** x, void* y) {
return atomic_fetch_and_explicit((_Atomic uintptr_t*)x, y, memory_order_seq_cst);
}
static inline void* atomic_fetch_or_ptr(void** x, void* y) {
return atomic_fetch_or_explicit((_Atomic uintptr_t*)x, y, memory_order_seq_cst);
}
static inline void* atomic_fetch_xor_ptr(void** x, void* y) {
return atomic_fetch_xor_explicit((_Atomic uintptr_t*)x, y, memory_order_seq_cst);
}
static inline unsigned atomic_load_u32(unsigned* x) {
return atomic_load_explicit((_Atomic unsigned*)x, memory_order_seq_cst);
}
static inline void atomic_store_u32(unsigned* x, unsigned y) {
atomic_store_explicit((_Atomic unsigned*)x, y, memory_order_seq_cst);
}
static inline int atomic_compare_exchange_weak_u32(unsigned* x, unsigned* expected, unsigned y) {
return (int)atomic_compare_exchange_weak_explicit((_Atomic unsigned*)x, expected, y, memory_order_seq_cst, memory_order_seq_cst);
}
static inline int atomic_compare_exchange_strong_u32(unsigned* x, unsigned* expected, unsigned y) {
return (int)atomic_compare_exchange_strong_explicit((_Atomic unsigned*)x, expected, y, memory_order_seq_cst, memory_order_seq_cst);
}
static inline unsigned atomic_exchange_u32(unsigned* x, unsigned y) {
return atomic_exchange_explicit((_Atomic unsigned*)x, y, memory_order_seq_cst);
}
static inline unsigned atomic_fetch_add_u32(unsigned* x, unsigned y) {
return atomic_fetch_add_explicit((_Atomic unsigned*)x, y, memory_order_seq_cst);
}
static inline unsigned atomic_fetch_sub_u32(unsigned* x, unsigned y) {
return atomic_fetch_sub_explicit((_Atomic unsigned*)x, y, memory_order_seq_cst);
}
static inline unsigned atomic_fetch_and_u32(unsigned* x, unsigned y) {
return atomic_fetch_and_explicit((_Atomic unsigned*)x, y, memory_order_seq_cst);
}
static inline unsigned atomic_fetch_or_u32(unsigned* x, unsigned y) {
return atomic_fetch_or_explicit((_Atomic unsigned*)x, y, memory_order_seq_cst);
}
static inline unsigned atomic_fetch_xor_u32(unsigned* x, unsigned y) {
return atomic_fetch_xor_explicit((_Atomic unsigned*)x, y, memory_order_seq_cst);
}
static inline unsigned short atomic_load_u16(unsigned short* x) {
return atomic_load_explicit((_Atomic unsigned short*)x, memory_order_seq_cst);
}
static inline void atomic_store_u16(unsigned short* x, unsigned short y) {
atomic_store_explicit((_Atomic unsigned short*)x, y, memory_order_seq_cst);
}
static inline int atomic_compare_exchange_weak_u16(unsigned short* x, unsigned short* expected, unsigned short y) {
return (int)atomic_compare_exchange_weak_explicit((_Atomic unsigned short*)x, expected, y, memory_order_seq_cst, memory_order_seq_cst);
}
static inline int atomic_compare_exchange_strong_u16(unsigned short* x, unsigned short* expected, unsigned short y) {
return (int)atomic_compare_exchange_strong_explicit((_Atomic unsigned short*)x, expected, y, memory_order_seq_cst, memory_order_seq_cst);
}
static inline unsigned short atomic_exchange_u16(unsigned short* x, unsigned short y) {
return atomic_exchange_explicit((_Atomic unsigned short*)x, y, memory_order_seq_cst);
}
static inline unsigned short atomic_fetch_add_u16(unsigned short* x, unsigned short y) {
return atomic_fetch_add_explicit((_Atomic unsigned short*)x, y, memory_order_seq_cst);
}
static inline unsigned short atomic_fetch_sub_u16(unsigned short* x, unsigned short y) {
return atomic_fetch_sub_explicit((_Atomic unsigned short*)x, y, memory_order_seq_cst);
}
static inline unsigned short atomic_fetch_and_u16(unsigned short* x, unsigned short y) {
return atomic_fetch_and_explicit((_Atomic unsigned short*)x, y, memory_order_seq_cst);
}
static inline unsigned short atomic_fetch_or_u16(unsigned short* x, unsigned short y) {
return atomic_fetch_or_explicit((_Atomic unsigned short*)x, y, memory_order_seq_cst);
}
static inline unsigned short atomic_fetch_xor_u16(unsigned short* x, unsigned short y) {
return atomic_fetch_xor_explicit((_Atomic unsigned short*)x, y, memory_order_seq_cst);
}
static inline unsigned char atomic_load_byte(unsigned char* x) {
return atomic_load_explicit((_Atomic unsigned char*)x, memory_order_seq_cst);
}
static inline void atomic_store_byte(unsigned char* x, unsigned char y) {
atomic_store_explicit((_Atomic unsigned char*)x, y, memory_order_seq_cst);
}
static inline int atomic_compare_exchange_weak_byte(unsigned char* x, unsigned char* expected, unsigned char y) {
return (int)atomic_compare_exchange_weak_explicit((_Atomic unsigned char*)x, expected, y, memory_order_seq_cst, memory_order_seq_cst);
}
static inline int atomic_compare_exchange_strong_byte(unsigned char* x, unsigned char* expected, unsigned char y) {
return (int)atomic_compare_exchange_strong_explicit((_Atomic unsigned char*)x, expected, y, memory_order_seq_cst, memory_order_seq_cst);
}
static inline unsigned char atomic_exchange_byte(unsigned char* x, unsigned char y) {
return atomic_exchange_explicit((_Atomic unsigned char*)x, y, memory_order_seq_cst);
}
static inline unsigned char atomic_fetch_add_byte(unsigned char* x, unsigned char y) {
return atomic_fetch_add_explicit((_Atomic unsigned char*)x, y, memory_order_seq_cst);
}
static inline unsigned char atomic_fetch_sub_byte(unsigned char* x, unsigned char y) {
return atomic_fetch_sub_explicit((_Atomic unsigned char*)x, y, memory_order_seq_cst);
}
static inline unsigned char atomic_fetch_and_byte(unsigned char* x, unsigned char y) {
return atomic_fetch_and_explicit((_Atomic unsigned char*)x, y, memory_order_seq_cst);
}
static inline unsigned char atomic_fetch_or_byte(unsigned char* x, unsigned char y) {
return atomic_fetch_or_explicit((_Atomic unsigned char*)x, y, memory_order_seq_cst);
}
static inline unsigned char atomic_fetch_xor_byte(unsigned char* x, unsigned char y) {
return atomic_fetch_xor_explicit((_Atomic unsigned char*)x, y, memory_order_seq_cst);
}
#endif
#endif