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	update modernc/sqlite to v1.33.1 (with our concurrency workaround) (#3367)
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								vendor/modernc.org/libc/stdatomic.go
									
										
									
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								vendor/modernc.org/libc/stdatomic.go
									
										
									
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							|  | @ -0,0 +1,710 @@ | |||
| // Copyright 2024 The Libc Authors. All rights reserved. | ||||
| // Use of this source code is governed by a BSD-style | ||||
| // license that can be found in the LICENSE file. | ||||
| 
 | ||||
| package libc // import "modernc.org/libc" | ||||
| 
 | ||||
| import ( | ||||
| 	"sync" | ||||
| 	"unsafe" | ||||
| ) | ||||
| 
 | ||||
| var ( | ||||
| 	int8Mu  sync.Mutex | ||||
| 	int16Mu sync.Mutex | ||||
| 	int32Mu sync.Mutex | ||||
| 	int64Mu sync.Mutex | ||||
| ) | ||||
| 
 | ||||
| // type __atomic_fetch_add(type *ptr, type val, int memorder) | ||||
| // | ||||
| // { tmp = *ptr; *ptr op= val; return tmp; } | ||||
| // { tmp = *ptr; *ptr = ~(*ptr & val); return tmp; } // nand | ||||
| 
 | ||||
| func X__atomic_fetch_addInt8(t *TLS, ptr uintptr, val int8, _ int32) (r int8) { | ||||
| 	int8Mu.Lock() | ||||
| 
 | ||||
| 	defer int8Mu.Unlock() | ||||
| 
 | ||||
| 	r = *(*int8)(unsafe.Pointer(ptr)) | ||||
| 	*(*int8)(unsafe.Pointer(ptr)) += val | ||||
| 	return r | ||||
| } | ||||
| 
 | ||||
| func X__atomic_fetch_addUint8(t *TLS, ptr uintptr, val uint8, _ int32) (r uint8) { | ||||
| 	int8Mu.Lock() | ||||
| 
 | ||||
| 	defer int8Mu.Unlock() | ||||
| 
 | ||||
| 	r = *(*uint8)(unsafe.Pointer(ptr)) | ||||
| 	*(*uint8)(unsafe.Pointer(ptr)) += val | ||||
| 	return r | ||||
| } | ||||
| 
 | ||||
| func X__atomic_fetch_addInt16(t *TLS, ptr uintptr, val int16, _ int32) (r int16) { | ||||
| 	int16Mu.Lock() | ||||
| 
 | ||||
| 	defer int16Mu.Unlock() | ||||
| 
 | ||||
| 	r = *(*int16)(unsafe.Pointer(ptr)) | ||||
| 	*(*int16)(unsafe.Pointer(ptr)) += val | ||||
| 	return r | ||||
| } | ||||
| 
 | ||||
| func X__atomic_fetch_addUint16(t *TLS, ptr uintptr, val uint16, _ int32) (r uint16) { | ||||
| 	int16Mu.Lock() | ||||
| 
 | ||||
| 	defer int16Mu.Unlock() | ||||
| 
 | ||||
| 	r = *(*uint16)(unsafe.Pointer(ptr)) | ||||
| 	*(*uint16)(unsafe.Pointer(ptr)) += val | ||||
| 	return r | ||||
| } | ||||
| 
 | ||||
| func X__atomic_fetch_addInt32(t *TLS, ptr uintptr, val int32, _ int32) (r int32) { | ||||
| 	int32Mu.Lock() | ||||
| 
 | ||||
| 	defer int32Mu.Unlock() | ||||
| 
 | ||||
| 	r = *(*int32)(unsafe.Pointer(ptr)) | ||||
| 	*(*int32)(unsafe.Pointer(ptr)) += val | ||||
| 	return r | ||||
| } | ||||
| 
 | ||||
| func X__atomic_fetch_addUint32(t *TLS, ptr uintptr, val uint32, _ int32) (r uint32) { | ||||
| 	int32Mu.Lock() | ||||
| 
 | ||||
| 	defer int32Mu.Unlock() | ||||
| 
 | ||||
| 	r = *(*uint32)(unsafe.Pointer(ptr)) | ||||
| 	*(*uint32)(unsafe.Pointer(ptr)) += val | ||||
| 	return r | ||||
| } | ||||
| 
 | ||||
| func X__atomic_fetch_addInt64(t *TLS, ptr uintptr, val int64, _ int32) (r int64) { | ||||
| 	int64Mu.Lock() | ||||
| 
 | ||||
| 	defer int64Mu.Unlock() | ||||
| 
 | ||||
| 	r = *(*int64)(unsafe.Pointer(ptr)) | ||||
| 	*(*int64)(unsafe.Pointer(ptr)) += val | ||||
| 	return r | ||||
| } | ||||
| 
 | ||||
| func X__atomic_fetch_addUint64(t *TLS, ptr uintptr, val uint64, _ int32) (r uint64) { | ||||
| 	int64Mu.Lock() | ||||
| 
 | ||||
| 	defer int64Mu.Unlock() | ||||
| 
 | ||||
| 	r = *(*uint64)(unsafe.Pointer(ptr)) | ||||
| 	*(*uint64)(unsafe.Pointer(ptr)) += val | ||||
| 	return r | ||||
| } | ||||
| 
 | ||||
| // ---- | ||||
| 
 | ||||
| func X__atomic_fetch_andInt8(t *TLS, ptr uintptr, val int8, _ int32) (r int8) { | ||||
| 	int8Mu.Lock() | ||||
| 
 | ||||
| 	defer int8Mu.Unlock() | ||||
| 
 | ||||
| 	r = *(*int8)(unsafe.Pointer(ptr)) | ||||
| 	*(*int8)(unsafe.Pointer(ptr)) &= val | ||||
| 	return r | ||||
| } | ||||
| 
 | ||||
| func X__atomic_fetch_andUint8(t *TLS, ptr uintptr, val uint8, _ int32) (r uint8) { | ||||
| 	int8Mu.Lock() | ||||
| 
 | ||||
| 	defer int8Mu.Unlock() | ||||
| 
 | ||||
| 	r = *(*uint8)(unsafe.Pointer(ptr)) | ||||
| 	*(*uint8)(unsafe.Pointer(ptr)) &= val | ||||
| 	return r | ||||
| } | ||||
| 
 | ||||
| func X__atomic_fetch_andInt16(t *TLS, ptr uintptr, val int16, _ int32) (r int16) { | ||||
| 	int16Mu.Lock() | ||||
| 
 | ||||
| 	defer int16Mu.Unlock() | ||||
| 
 | ||||
| 	r = *(*int16)(unsafe.Pointer(ptr)) | ||||
| 	*(*int16)(unsafe.Pointer(ptr)) &= val | ||||
| 	return r | ||||
| } | ||||
| 
 | ||||
| func X__atomic_fetch_andUint16(t *TLS, ptr uintptr, val uint16, _ int32) (r uint16) { | ||||
| 	int16Mu.Lock() | ||||
| 
 | ||||
| 	defer int16Mu.Unlock() | ||||
| 
 | ||||
| 	r = *(*uint16)(unsafe.Pointer(ptr)) | ||||
| 	*(*uint16)(unsafe.Pointer(ptr)) &= val | ||||
| 	return r | ||||
| } | ||||
| 
 | ||||
| func X__atomic_fetch_andInt32(t *TLS, ptr uintptr, val int32, _ int32) (r int32) { | ||||
| 	int32Mu.Lock() | ||||
| 
 | ||||
| 	defer int32Mu.Unlock() | ||||
| 
 | ||||
| 	r = *(*int32)(unsafe.Pointer(ptr)) | ||||
| 	*(*int32)(unsafe.Pointer(ptr)) &= val | ||||
| 	return r | ||||
| } | ||||
| 
 | ||||
| func X__atomic_fetch_andUint32(t *TLS, ptr uintptr, val uint32, _ int32) (r uint32) { | ||||
| 	int32Mu.Lock() | ||||
| 
 | ||||
| 	defer int32Mu.Unlock() | ||||
| 
 | ||||
| 	r = *(*uint32)(unsafe.Pointer(ptr)) | ||||
| 	*(*uint32)(unsafe.Pointer(ptr)) &= val | ||||
| 	return r | ||||
| } | ||||
| 
 | ||||
| func X__atomic_fetch_andInt64(t *TLS, ptr uintptr, val int64, _ int32) (r int64) { | ||||
| 	int64Mu.Lock() | ||||
| 
 | ||||
| 	defer int64Mu.Unlock() | ||||
| 
 | ||||
| 	r = *(*int64)(unsafe.Pointer(ptr)) | ||||
| 	*(*int64)(unsafe.Pointer(ptr)) &= val | ||||
| 	return r | ||||
| } | ||||
| 
 | ||||
| func X__atomic_fetch_andUint64(t *TLS, ptr uintptr, val uint64, _ int32) (r uint64) { | ||||
| 	int64Mu.Lock() | ||||
| 
 | ||||
| 	defer int64Mu.Unlock() | ||||
| 
 | ||||
| 	r = *(*uint64)(unsafe.Pointer(ptr)) | ||||
| 	*(*uint64)(unsafe.Pointer(ptr)) &= val | ||||
| 	return r | ||||
| } | ||||
| 
 | ||||
| // ---- | ||||
| 
 | ||||
| func X__atomic_fetch_orInt8(t *TLS, ptr uintptr, val int8, _ int32) (r int8) { | ||||
| 	int8Mu.Lock() | ||||
| 
 | ||||
| 	defer int8Mu.Unlock() | ||||
| 
 | ||||
| 	r = *(*int8)(unsafe.Pointer(ptr)) | ||||
| 	*(*int8)(unsafe.Pointer(ptr)) |= val | ||||
| 	return r | ||||
| } | ||||
| 
 | ||||
| func X__atomic_fetch_orUint8(t *TLS, ptr uintptr, val uint8, _ int32) (r uint8) { | ||||
| 	int8Mu.Lock() | ||||
| 
 | ||||
| 	defer int8Mu.Unlock() | ||||
| 
 | ||||
| 	r = *(*uint8)(unsafe.Pointer(ptr)) | ||||
| 	*(*uint8)(unsafe.Pointer(ptr)) |= val | ||||
| 	return r | ||||
| } | ||||
| 
 | ||||
| func X__atomic_fetch_orInt16(t *TLS, ptr uintptr, val int16, _ int32) (r int16) { | ||||
| 	int16Mu.Lock() | ||||
| 
 | ||||
| 	defer int16Mu.Unlock() | ||||
| 
 | ||||
| 	r = *(*int16)(unsafe.Pointer(ptr)) | ||||
| 	*(*int16)(unsafe.Pointer(ptr)) |= val | ||||
| 	return r | ||||
| } | ||||
| 
 | ||||
| func X__atomic_fetch_orUint16(t *TLS, ptr uintptr, val uint16, _ int32) (r uint16) { | ||||
| 	int16Mu.Lock() | ||||
| 
 | ||||
| 	defer int16Mu.Unlock() | ||||
| 
 | ||||
| 	r = *(*uint16)(unsafe.Pointer(ptr)) | ||||
| 	*(*uint16)(unsafe.Pointer(ptr)) |= val | ||||
| 	return r | ||||
| } | ||||
| 
 | ||||
| func X__atomic_fetch_orInt32(t *TLS, ptr uintptr, val int32, _ int32) (r int32) { | ||||
| 	int32Mu.Lock() | ||||
| 
 | ||||
| 	defer int32Mu.Unlock() | ||||
| 
 | ||||
| 	r = *(*int32)(unsafe.Pointer(ptr)) | ||||
| 	*(*int32)(unsafe.Pointer(ptr)) |= val | ||||
| 	return r | ||||
| } | ||||
| 
 | ||||
| func X__atomic_fetch_orUint32(t *TLS, ptr uintptr, val uint32, _ int32) (r uint32) { | ||||
| 	int32Mu.Lock() | ||||
| 
 | ||||
| 	defer int32Mu.Unlock() | ||||
| 
 | ||||
| 	r = *(*uint32)(unsafe.Pointer(ptr)) | ||||
| 	*(*uint32)(unsafe.Pointer(ptr)) |= val | ||||
| 	return r | ||||
| } | ||||
| 
 | ||||
| func X__atomic_fetch_orInt64(t *TLS, ptr uintptr, val int64, _ int32) (r int64) { | ||||
| 	int64Mu.Lock() | ||||
| 
 | ||||
| 	defer int64Mu.Unlock() | ||||
| 
 | ||||
| 	r = *(*int64)(unsafe.Pointer(ptr)) | ||||
| 	*(*int64)(unsafe.Pointer(ptr)) |= val | ||||
| 	return r | ||||
| } | ||||
| 
 | ||||
| func X__atomic_fetch_orUint64(t *TLS, ptr uintptr, val uint64, _ int32) (r uint64) { | ||||
| 	int64Mu.Lock() | ||||
| 
 | ||||
| 	defer int64Mu.Unlock() | ||||
| 
 | ||||
| 	r = *(*uint64)(unsafe.Pointer(ptr)) | ||||
| 	*(*uint64)(unsafe.Pointer(ptr)) |= val | ||||
| 	return r | ||||
| } | ||||
| 
 | ||||
| // ---- | ||||
| 
 | ||||
| func X__atomic_fetch_subInt8(t *TLS, ptr uintptr, val int8, _ int32) (r int8) { | ||||
| 	int8Mu.Lock() | ||||
| 
 | ||||
| 	defer int8Mu.Unlock() | ||||
| 
 | ||||
| 	r = *(*int8)(unsafe.Pointer(ptr)) | ||||
| 	*(*int8)(unsafe.Pointer(ptr)) -= val | ||||
| 	return r | ||||
| } | ||||
| 
 | ||||
| func X__atomic_fetch_subUint8(t *TLS, ptr uintptr, val uint8, _ int32) (r uint8) { | ||||
| 	int8Mu.Lock() | ||||
| 
 | ||||
| 	defer int8Mu.Unlock() | ||||
| 
 | ||||
| 	r = *(*uint8)(unsafe.Pointer(ptr)) | ||||
| 	*(*uint8)(unsafe.Pointer(ptr)) -= val | ||||
| 	return r | ||||
| } | ||||
| 
 | ||||
| func X__atomic_fetch_subInt16(t *TLS, ptr uintptr, val int16, _ int32) (r int16) { | ||||
| 	int16Mu.Lock() | ||||
| 
 | ||||
| 	defer int16Mu.Unlock() | ||||
| 
 | ||||
| 	r = *(*int16)(unsafe.Pointer(ptr)) | ||||
| 	*(*int16)(unsafe.Pointer(ptr)) -= val | ||||
| 	return r | ||||
| } | ||||
| 
 | ||||
| func X__atomic_fetch_subUint16(t *TLS, ptr uintptr, val uint16, _ int32) (r uint16) { | ||||
| 	int16Mu.Lock() | ||||
| 
 | ||||
| 	defer int16Mu.Unlock() | ||||
| 
 | ||||
| 	r = *(*uint16)(unsafe.Pointer(ptr)) | ||||
| 	*(*uint16)(unsafe.Pointer(ptr)) -= val | ||||
| 	return r | ||||
| } | ||||
| 
 | ||||
| func X__atomic_fetch_subInt32(t *TLS, ptr uintptr, val int32, _ int32) (r int32) { | ||||
| 	int32Mu.Lock() | ||||
| 
 | ||||
| 	defer int32Mu.Unlock() | ||||
| 
 | ||||
| 	r = *(*int32)(unsafe.Pointer(ptr)) | ||||
| 	*(*int32)(unsafe.Pointer(ptr)) -= val | ||||
| 	return r | ||||
| } | ||||
| 
 | ||||
| func X__atomic_fetch_subUint32(t *TLS, ptr uintptr, val uint32, _ int32) (r uint32) { | ||||
| 	int32Mu.Lock() | ||||
| 
 | ||||
| 	defer int32Mu.Unlock() | ||||
| 
 | ||||
| 	r = *(*uint32)(unsafe.Pointer(ptr)) | ||||
| 	*(*uint32)(unsafe.Pointer(ptr)) -= val | ||||
| 	return r | ||||
| } | ||||
| 
 | ||||
| func X__atomic_fetch_subInt64(t *TLS, ptr uintptr, val int64, _ int32) (r int64) { | ||||
| 	int64Mu.Lock() | ||||
| 
 | ||||
| 	defer int64Mu.Unlock() | ||||
| 
 | ||||
| 	r = *(*int64)(unsafe.Pointer(ptr)) | ||||
| 	*(*int64)(unsafe.Pointer(ptr)) -= val | ||||
| 	return r | ||||
| } | ||||
| 
 | ||||
| func X__atomic_fetch_subUint64(t *TLS, ptr uintptr, val uint64, _ int32) (r uint64) { | ||||
| 	int64Mu.Lock() | ||||
| 
 | ||||
| 	defer int64Mu.Unlock() | ||||
| 
 | ||||
| 	r = *(*uint64)(unsafe.Pointer(ptr)) | ||||
| 	*(*uint64)(unsafe.Pointer(ptr)) -= val | ||||
| 	return r | ||||
| } | ||||
| 
 | ||||
| // ---- | ||||
| 
 | ||||
| func X__atomic_fetch_xorInt8(t *TLS, ptr uintptr, val int8, _ int32) (r int8) { | ||||
| 	int8Mu.Lock() | ||||
| 
 | ||||
| 	defer int8Mu.Unlock() | ||||
| 
 | ||||
| 	r = *(*int8)(unsafe.Pointer(ptr)) | ||||
| 	*(*int8)(unsafe.Pointer(ptr)) ^= val | ||||
| 	return r | ||||
| } | ||||
| 
 | ||||
| func X__atomic_fetch_xorUint8(t *TLS, ptr uintptr, val uint8, _ int32) (r uint8) { | ||||
| 	int8Mu.Lock() | ||||
| 
 | ||||
| 	defer int8Mu.Unlock() | ||||
| 
 | ||||
| 	r = *(*uint8)(unsafe.Pointer(ptr)) | ||||
| 	*(*uint8)(unsafe.Pointer(ptr)) ^= val | ||||
| 	return r | ||||
| } | ||||
| 
 | ||||
| func X__atomic_fetch_xorInt16(t *TLS, ptr uintptr, val int16, _ int32) (r int16) { | ||||
| 	int16Mu.Lock() | ||||
| 
 | ||||
| 	defer int16Mu.Unlock() | ||||
| 
 | ||||
| 	r = *(*int16)(unsafe.Pointer(ptr)) | ||||
| 	*(*int16)(unsafe.Pointer(ptr)) ^= val | ||||
| 	return r | ||||
| } | ||||
| 
 | ||||
| func X__atomic_fetch_xorUint16(t *TLS, ptr uintptr, val uint16, _ int32) (r uint16) { | ||||
| 	int16Mu.Lock() | ||||
| 
 | ||||
| 	defer int16Mu.Unlock() | ||||
| 
 | ||||
| 	r = *(*uint16)(unsafe.Pointer(ptr)) | ||||
| 	*(*uint16)(unsafe.Pointer(ptr)) ^= val | ||||
| 	return r | ||||
| } | ||||
| 
 | ||||
| func X__atomic_fetch_xorInt32(t *TLS, ptr uintptr, val int32, _ int32) (r int32) { | ||||
| 	int32Mu.Lock() | ||||
| 
 | ||||
| 	defer int32Mu.Unlock() | ||||
| 
 | ||||
| 	r = *(*int32)(unsafe.Pointer(ptr)) | ||||
| 	*(*int32)(unsafe.Pointer(ptr)) ^= val | ||||
| 	return r | ||||
| } | ||||
| 
 | ||||
| func X__atomic_fetch_xorUint32(t *TLS, ptr uintptr, val uint32, _ int32) (r uint32) { | ||||
| 	int32Mu.Lock() | ||||
| 
 | ||||
| 	defer int32Mu.Unlock() | ||||
| 
 | ||||
| 	r = *(*uint32)(unsafe.Pointer(ptr)) | ||||
| 	*(*uint32)(unsafe.Pointer(ptr)) ^= val | ||||
| 	return r | ||||
| } | ||||
| 
 | ||||
| func X__atomic_fetch_xorInt64(t *TLS, ptr uintptr, val int64, _ int32) (r int64) { | ||||
| 	int64Mu.Lock() | ||||
| 
 | ||||
| 	defer int64Mu.Unlock() | ||||
| 
 | ||||
| 	r = *(*int64)(unsafe.Pointer(ptr)) | ||||
| 	*(*int64)(unsafe.Pointer(ptr)) ^= val | ||||
| 	return r | ||||
| } | ||||
| 
 | ||||
| func X__atomic_fetch_xorUint64(t *TLS, ptr uintptr, val uint64, _ int32) (r uint64) { | ||||
| 	int64Mu.Lock() | ||||
| 
 | ||||
| 	defer int64Mu.Unlock() | ||||
| 
 | ||||
| 	r = *(*uint64)(unsafe.Pointer(ptr)) | ||||
| 	*(*uint64)(unsafe.Pointer(ptr)) ^= val | ||||
| 	return r | ||||
| } | ||||
| 
 | ||||
| // ---- | ||||
| 
 | ||||
| // void __atomic_exchange (type *ptr, type *val, type *ret, int memorder) | ||||
| 
 | ||||
| func X__atomic_exchangeInt8(t *TLS, ptr, val, ret uintptr, _ int32) { | ||||
| 	int8Mu.Lock() | ||||
| 
 | ||||
| 	defer int8Mu.Unlock() | ||||
| 
 | ||||
| 	*(*int8)(unsafe.Pointer(ret)) = *(*int8)(unsafe.Pointer(ptr)) | ||||
| 	*(*int8)(unsafe.Pointer(ptr)) = *(*int8)(unsafe.Pointer(val)) | ||||
| } | ||||
| 
 | ||||
| func X__atomic_exchangeUint8(t *TLS, ptr, val, ret uintptr, _ int32) { | ||||
| 	int8Mu.Lock() | ||||
| 
 | ||||
| 	defer int8Mu.Unlock() | ||||
| 
 | ||||
| 	*(*uint8)(unsafe.Pointer(ret)) = *(*uint8)(unsafe.Pointer(ptr)) | ||||
| 	*(*uint8)(unsafe.Pointer(ptr)) = *(*uint8)(unsafe.Pointer(val)) | ||||
| } | ||||
| 
 | ||||
| func X__atomic_exchangeInt16(t *TLS, ptr, val, ret uintptr, _ int32) { | ||||
| 	int16Mu.Lock() | ||||
| 
 | ||||
| 	defer int16Mu.Unlock() | ||||
| 
 | ||||
| 	*(*int16)(unsafe.Pointer(ret)) = *(*int16)(unsafe.Pointer(ptr)) | ||||
| 	*(*int16)(unsafe.Pointer(ptr)) = *(*int16)(unsafe.Pointer(val)) | ||||
| } | ||||
| 
 | ||||
| func X__atomic_exchangeUint16(t *TLS, ptr, val, ret uintptr, _ int32) { | ||||
| 	int16Mu.Lock() | ||||
| 
 | ||||
| 	defer int16Mu.Unlock() | ||||
| 
 | ||||
| 	*(*uint16)(unsafe.Pointer(ret)) = *(*uint16)(unsafe.Pointer(ptr)) | ||||
| 	*(*uint16)(unsafe.Pointer(ptr)) = *(*uint16)(unsafe.Pointer(val)) | ||||
| } | ||||
| 
 | ||||
| func X__atomic_exchangeInt32(t *TLS, ptr, val, ret uintptr, _ int32) { | ||||
| 	int32Mu.Lock() | ||||
| 
 | ||||
| 	defer int32Mu.Unlock() | ||||
| 
 | ||||
| 	*(*int32)(unsafe.Pointer(ret)) = *(*int32)(unsafe.Pointer(ptr)) | ||||
| 	*(*int32)(unsafe.Pointer(ptr)) = *(*int32)(unsafe.Pointer(val)) | ||||
| } | ||||
| 
 | ||||
| func X__atomic_exchangeUint32(t *TLS, ptr, val, ret uintptr, _ int32) { | ||||
| 	int32Mu.Lock() | ||||
| 
 | ||||
| 	defer int32Mu.Unlock() | ||||
| 
 | ||||
| 	*(*uint32)(unsafe.Pointer(ret)) = *(*uint32)(unsafe.Pointer(ptr)) | ||||
| 	*(*uint32)(unsafe.Pointer(ptr)) = *(*uint32)(unsafe.Pointer(val)) | ||||
| } | ||||
| 
 | ||||
| func X__atomic_exchangeInt64(t *TLS, ptr, val, ret uintptr, _ int32) { | ||||
| 	int64Mu.Lock() | ||||
| 
 | ||||
| 	defer int64Mu.Unlock() | ||||
| 
 | ||||
| 	*(*int64)(unsafe.Pointer(ret)) = *(*int64)(unsafe.Pointer(ptr)) | ||||
| 	*(*int64)(unsafe.Pointer(ptr)) = *(*int64)(unsafe.Pointer(val)) | ||||
| } | ||||
| 
 | ||||
| func X__atomic_exchangeUint64(t *TLS, ptr, val, ret uintptr, _ int32) { | ||||
| 	int64Mu.Lock() | ||||
| 
 | ||||
| 	defer int64Mu.Unlock() | ||||
| 
 | ||||
| 	*(*uint64)(unsafe.Pointer(ret)) = *(*uint64)(unsafe.Pointer(ptr)) | ||||
| 	*(*uint64)(unsafe.Pointer(ptr)) = *(*uint64)(unsafe.Pointer(val)) | ||||
| } | ||||
| 
 | ||||
| // ---- | ||||
| 
 | ||||
| // bool __atomic_compare_exchange (type *ptr, type *expected, type *desired, bool weak, int success_memorder, int failure_memorder) | ||||
| 
 | ||||
| // https://gcc.gnu.org/onlinedocs/gcc/_005f_005fatomic-Builtins.html | ||||
| // | ||||
| // This built-in function implements an atomic compare and exchange operation. | ||||
| // This compares the contents of *ptr with the contents of *expected. If equal, | ||||
| // the operation is a read-modify-write operation that writes desired into | ||||
| // *ptr. If they are not equal, the operation is a read and the current | ||||
| // contents of *ptr are written into *expected. weak is true for weak | ||||
| // compare_exchange, which may fail spuriously, and false for the strong | ||||
| // variation, which never fails spuriously. Many targets only offer the strong | ||||
| // variation and ignore the parameter. When in doubt, use the strong variation. | ||||
| // | ||||
| // If desired is written into *ptr then true is returned and memory is affected | ||||
| // according to the memory order specified by success_memorder. There are no | ||||
| // restrictions on what memory order can be used here. | ||||
| // | ||||
| // Otherwise, false is returned and memory is affected according to | ||||
| // failure_memorder. This memory order cannot be __ATOMIC_RELEASE nor | ||||
| // __ATOMIC_ACQ_REL. It also cannot be a stronger order than that specified by | ||||
| // success_memorder. | ||||
| 
 | ||||
| func X__atomic_compare_exchangeInt8(t *TLS, ptr, expected, desired uintptr, weak, success, failure int32) int32 { | ||||
| 	int8Mu.Lock() | ||||
| 
 | ||||
| 	defer int8Mu.Unlock() | ||||
| 
 | ||||
| 	have := *(*int8)(unsafe.Pointer(ptr)) | ||||
| 	if have == *(*int8)(unsafe.Pointer(expected)) { | ||||
| 		*(*int8)(unsafe.Pointer(ptr)) = *(*int8)(unsafe.Pointer(desired)) | ||||
| 		return 1 | ||||
| 	} | ||||
| 
 | ||||
| 	*(*int8)(unsafe.Pointer(expected)) = have | ||||
| 	return 0 | ||||
| } | ||||
| 
 | ||||
| func X__atomic_compare_exchangeUint8(t *TLS, ptr, expected, desired uintptr, weak, success, failure int32) int32 { | ||||
| 	return X__atomic_compare_exchangeInt8(t, ptr, expected, desired, weak, success, failure) | ||||
| } | ||||
| 
 | ||||
| func X__atomic_compare_exchangeInt16(t *TLS, ptr, expected, desired uintptr, weak, success, failure int32) int32 { | ||||
| 	int16Mu.Lock() | ||||
| 
 | ||||
| 	defer int16Mu.Unlock() | ||||
| 
 | ||||
| 	have := *(*int16)(unsafe.Pointer(ptr)) | ||||
| 	if have == *(*int16)(unsafe.Pointer(expected)) { | ||||
| 		*(*int16)(unsafe.Pointer(ptr)) = *(*int16)(unsafe.Pointer(desired)) | ||||
| 		return 1 | ||||
| 	} | ||||
| 
 | ||||
| 	*(*int16)(unsafe.Pointer(expected)) = have | ||||
| 	return 0 | ||||
| } | ||||
| 
 | ||||
| func X__atomic_compare_exchangeUint16(t *TLS, ptr, expected, desired uintptr, weak, success, failure int32) int32 { | ||||
| 	return X__atomic_compare_exchangeInt16(t, ptr, expected, desired, weak, success, failure) | ||||
| } | ||||
| 
 | ||||
| func X__atomic_compare_exchangeInt32(t *TLS, ptr, expected, desired uintptr, weak, success, failure int32) int32 { | ||||
| 	int32Mu.Lock() | ||||
| 
 | ||||
| 	defer int32Mu.Unlock() | ||||
| 
 | ||||
| 	have := *(*int32)(unsafe.Pointer(ptr)) | ||||
| 	if have == *(*int32)(unsafe.Pointer(expected)) { | ||||
| 		*(*int32)(unsafe.Pointer(ptr)) = *(*int32)(unsafe.Pointer(desired)) | ||||
| 		return 1 | ||||
| 	} | ||||
| 
 | ||||
| 	*(*int32)(unsafe.Pointer(expected)) = have | ||||
| 	return 0 | ||||
| } | ||||
| 
 | ||||
| func X__atomic_compare_exchangeUint32(t *TLS, ptr, expected, desired uintptr, weak, success, failure int32) int32 { | ||||
| 	return X__atomic_compare_exchangeInt32(t, ptr, expected, desired, weak, success, failure) | ||||
| } | ||||
| 
 | ||||
| func X__atomic_compare_exchangeInt64(t *TLS, ptr, expected, desired uintptr, weak, success, failure int32) int32 { | ||||
| 	int64Mu.Lock() | ||||
| 
 | ||||
| 	defer int64Mu.Unlock() | ||||
| 
 | ||||
| 	have := *(*int64)(unsafe.Pointer(ptr)) | ||||
| 	if have == *(*int64)(unsafe.Pointer(expected)) { | ||||
| 		*(*int64)(unsafe.Pointer(ptr)) = *(*int64)(unsafe.Pointer(desired)) | ||||
| 		return 1 | ||||
| 	} | ||||
| 
 | ||||
| 	*(*int64)(unsafe.Pointer(expected)) = have | ||||
| 	return 0 | ||||
| } | ||||
| 
 | ||||
| func X__atomic_compare_exchangeUint64(t *TLS, ptr, expected, desired uintptr, weak, success, failure int32) int32 { | ||||
| 	return X__atomic_compare_exchangeInt64(t, ptr, expected, desired, weak, success, failure) | ||||
| } | ||||
| 
 | ||||
| // ---- | ||||
| 
 | ||||
| // void __atomic_load (type *ptr, type *ret, int memorder) | ||||
| 
 | ||||
| func X__atomic_loadInt8(t *TLS, ptr, ret uintptr, memorder int32) { | ||||
| 	int8Mu.Lock() | ||||
| 
 | ||||
| 	defer int8Mu.Unlock() | ||||
| 
 | ||||
| 	*(*int8)(unsafe.Pointer(ret)) = *(*int8)(unsafe.Pointer(ptr)) | ||||
| } | ||||
| 
 | ||||
| func X__atomic_loadUint8(t *TLS, ptr, ret uintptr, memorder int32) { | ||||
| 	X__atomic_loadInt8(t, ptr, ret, memorder) | ||||
| } | ||||
| 
 | ||||
| func X__atomic_loadInt16(t *TLS, ptr, ret uintptr, memorder int32) { | ||||
| 	int16Mu.Lock() | ||||
| 
 | ||||
| 	defer int16Mu.Unlock() | ||||
| 
 | ||||
| 	*(*int16)(unsafe.Pointer(ret)) = *(*int16)(unsafe.Pointer(ptr)) | ||||
| } | ||||
| 
 | ||||
| func X__atomic_loadUint16(t *TLS, ptr, ret uintptr, memorder int32) { | ||||
| 	X__atomic_loadInt16(t, ptr, ret, memorder) | ||||
| } | ||||
| 
 | ||||
| func X__atomic_loadInt32(t *TLS, ptr, ret uintptr, memorder int32) { | ||||
| 	int32Mu.Lock() | ||||
| 
 | ||||
| 	defer int32Mu.Unlock() | ||||
| 
 | ||||
| 	*(*int32)(unsafe.Pointer(ret)) = *(*int32)(unsafe.Pointer(ptr)) | ||||
| } | ||||
| 
 | ||||
| func X__atomic_loadUint32(t *TLS, ptr, ret uintptr, memorder int32) { | ||||
| 	X__atomic_loadInt32(t, ptr, ret, memorder) | ||||
| } | ||||
| 
 | ||||
| func X__atomic_loadInt64(t *TLS, ptr, ret uintptr, memorder int32) { | ||||
| 	int64Mu.Lock() | ||||
| 
 | ||||
| 	defer int64Mu.Unlock() | ||||
| 
 | ||||
| 	*(*int64)(unsafe.Pointer(ret)) = *(*int64)(unsafe.Pointer(ptr)) | ||||
| } | ||||
| 
 | ||||
| func X__atomic_loadUint64(t *TLS, ptr, ret uintptr, memorder int32) { | ||||
| 	X__atomic_loadInt64(t, ptr, ret, memorder) | ||||
| } | ||||
| 
 | ||||
| // ---- | ||||
| 
 | ||||
| // void __atomic_store (type *ptr, type *val, int memorder) | ||||
| 
 | ||||
| func X__atomic_storeInt8(t *TLS, ptr, val uintptr, memorder int32) { | ||||
| 	int8Mu.Lock() | ||||
| 
 | ||||
| 	defer int8Mu.Unlock() | ||||
| 
 | ||||
| 	*(*int8)(unsafe.Pointer(ptr)) = *(*int8)(unsafe.Pointer(val)) | ||||
| } | ||||
| 
 | ||||
| func X__atomic_storeUint8(t *TLS, ptr, val uintptr, memorder int32) { | ||||
| 	X__atomic_storeInt8(t, ptr, val, memorder) | ||||
| } | ||||
| 
 | ||||
| func X__atomic_storeInt16(t *TLS, ptr, val uintptr, memorder int32) { | ||||
| 	int16Mu.Lock() | ||||
| 
 | ||||
| 	defer int16Mu.Unlock() | ||||
| 
 | ||||
| 	*(*int16)(unsafe.Pointer(ptr)) = *(*int16)(unsafe.Pointer(val)) | ||||
| } | ||||
| 
 | ||||
| func X__atomic_storeUint16(t *TLS, ptr, val uintptr, memorder int32) { | ||||
| 	X__atomic_storeInt16(t, ptr, val, memorder) | ||||
| } | ||||
| 
 | ||||
| func X__atomic_storeInt32(t *TLS, ptr, val uintptr, memorder int32) { | ||||
| 	int32Mu.Lock() | ||||
| 
 | ||||
| 	defer int32Mu.Unlock() | ||||
| 
 | ||||
| 	*(*int32)(unsafe.Pointer(ptr)) = *(*int32)(unsafe.Pointer(val)) | ||||
| } | ||||
| 
 | ||||
| func X__atomic_storeUint32(t *TLS, ptr, val uintptr, memorder int32) { | ||||
| 	X__atomic_storeInt32(t, ptr, val, memorder) | ||||
| } | ||||
| 
 | ||||
| func X__atomic_storeInt64(t *TLS, ptr, val uintptr, memorder int32) { | ||||
| 	int64Mu.Lock() | ||||
| 
 | ||||
| 	defer int64Mu.Unlock() | ||||
| 
 | ||||
| 	*(*int64)(unsafe.Pointer(ptr)) = *(*int64)(unsafe.Pointer(val)) | ||||
| } | ||||
| 
 | ||||
| func X__atomic_storeUint64(t *TLS, ptr, val uintptr, memorder int32) { | ||||
| 	X__atomic_storeInt64(t, ptr, val, memorder) | ||||
| } | ||||
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