diff options
Diffstat (limited to 'vendor/modernc.org/libc/libc_all.go')
-rw-r--r-- | vendor/modernc.org/libc/libc_all.go | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/vendor/modernc.org/libc/libc_all.go b/vendor/modernc.org/libc/libc_all.go new file mode 100644 index 000000000..6e3b97764 --- /dev/null +++ b/vendor/modernc.org/libc/libc_all.go @@ -0,0 +1,34 @@ +// 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/atomic" + "unsafe" + + "golang.org/x/exp/constraints" +) + +func X__sync_add_and_fetch[T constraints.Integer](t *TLS, p uintptr, v T) T { + switch unsafe.Sizeof(v) { + case 4: + return T(atomic.AddInt32((*int32)(unsafe.Pointer(p)), int32(v))) + case 8: + return T(atomic.AddInt64((*int64)(unsafe.Pointer(p)), int64(v))) + default: + panic(todo("")) + } +} + +func X__sync_sub_and_fetch[T constraints.Integer](t *TLS, p uintptr, v T) T { + switch unsafe.Sizeof(v) { + case 4: + return T(atomic.AddInt32((*int32)(unsafe.Pointer(p)), -int32(v))) + case 8: + return T(atomic.AddInt64((*int64)(unsafe.Pointer(p)), -int64(v))) + default: + panic(todo("")) + } +} |