go switch_unix 源码
golang switch_unix 代码
文件路径：/src/net/internal/socktest/switch_unix.go
// Copyright 2015 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
//go:build unix || (js && wasm)
package socktest
// Sockets maps a socket descriptor to the status of socket.
type Sockets map[int]Status
func (sw *Switch) sockso(s int) *Status {
sw.smu.RLock()
defer sw.smu.RUnlock()
so, ok := sw.sotab[s]
if !ok {
return nil
}
return &so
}
// addLocked returns a new Status without locking.
// sw.smu must be held before call.
func (sw *Switch) addLocked(s, family, sotype, proto int) *Status {
sw.once.Do(sw.init)
so := Status{Cookie: cookie(family, sotype, proto)}
sw.sotab[s] = so
return &so
}
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