switch_unix.mx raw

   1  // Copyright 2015 The Go Authors. All rights reserved.
   2  // Use of this source code is governed by a BSD-style
   3  // license that can be found in the LICENSE file.
   4  
   5  //go:build unix || (js && wasm) || wasip1
   6  
   7  package socktest
   8  
   9  // Sockets maps a socket descriptor to the status of socket.
  10  type Sockets map[int]Status
  11  
  12  func (sw *Switch) sockso(s int) *Status {
  13  	sw.smu.RLock()
  14  	defer sw.smu.RUnlock()
  15  	so, ok := sw.sotab[s]
  16  	if !ok {
  17  		return nil
  18  	}
  19  	return &so
  20  }
  21  
  22  // addLocked returns a new Status without locking.
  23  // sw.smu must be held before call.
  24  func (sw *Switch) addLocked(s, family, sotype, proto int) *Status {
  25  	sw.once.Do(sw.init)
  26  	so := Status{Cookie: cookie(family, sotype, proto)}
  27  	sw.sotab[s] = so
  28  	return &so
  29  }
  30