21 lines
547 B
Go
21 lines
547 B
Go
|
// Copyright 2021 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"
|
||
|
|
)
|
||
|
|
|
||
|
|
var __sync_synchronize_dummy int32
|
||
|
|
|
||
|
|
// __sync_synchronize();
|
||
|
|
func X__sync_synchronize(t *TLS) {
|
||
|
|
if __ccgo_strace {
|
||
|
|
trc("t=%v, (%v:)", t, origin(2))
|
||
|
|
}
|
||
|
|
// Attempt to implement a full memory barrier without assembler.
|
||
|
|
atomic.StoreInt32(&__sync_synchronize_dummy, atomic.LoadInt32(&__sync_synchronize_dummy)+1)
|
||
|
|
}
|