Source file src/pkg/net/internal/socktest/switch_unix.go

     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	// +build aix darwin dragonfly freebsd js,wasm linux nacl netbsd openbsd solaris
     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	

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