mirror of
https://github.com/superseriousbusiness/gotosocial.git
synced 2024-12-24 03:02:12 +00:00
34 lines
773 B
Go
34 lines
773 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.
|
||
|
|
|
||
|
|
// +build windows darwin linux,arm linux,s390x
|
||
|
|
|
||
|
|
package libc // import "modernc.org/libc"
|
||
|
|
|
||
|
|
import (
|
||
|
|
"sync/atomic"
|
||
|
|
"unsafe"
|
||
|
|
)
|
||
|
|
|
||
|
|
var errno0 int32 // Temp errno for NewTLS
|
||
|
|
|
||
|
|
type TLS struct {
|
||
|
|
ID int32
|
||
|
|
errnop uintptr
|
||
|
|
reentryGuard int32 // memgrind
|
||
|
|
stack stackHeader
|
||
|
|
stackHeaderBalance int32
|
||
|
|
}
|
||
|
|
|
||
|
|
func NewTLS() *TLS {
|
||
|
|
id := atomic.AddInt32(&tid, 1)
|
||
|
|
t := &TLS{ID: id, errnop: uintptr(unsafe.Pointer(&errno0))}
|
||
|
|
if memgrind {
|
||
|
|
atomic.AddInt32(&tlsBalance, 1)
|
||
|
|
}
|
||
|
|
t.errnop = t.Alloc(int(unsafe.Sizeof(int32(0))))
|
||
|
|
*(*int32)(unsafe.Pointer(t.errnop)) = 0
|
||
|
|
return t
|
||
|
|
}
|