文件操作 - sock_cloexec.go
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文件: /usr/share/go-1.23/src/net/sock_cloexec.go
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// Copyright 2013 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. // This file implements sysSocket for platforms that provide a fast path for // setting SetNonblock and CloseOnExec. //go:build dragonfly || freebsd || linux || netbsd || openbsd package net import ( "os" "syscall" ) // Wrapper around the socket system call that marks the returned file // descriptor as nonblocking and close-on-exec. func sysSocket(family, sotype, proto int) (int, error) { s, err := socketFunc(family, sotype|syscall.SOCK_NONBLOCK|syscall.SOCK_CLOEXEC, proto) if err != nil { return -1, os.NewSyscallError("socket", err) } return s, nil }
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