github.com/go-board/x-go@v0.1.2-0.20220610024734-db1323f6cb15/xnet/helper_unix_test.go (about)

     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 linux netbsd openbsd solaris
     6  
     7  package xnet
     8  
     9  import "syscall"
    10  
    11  func maxOpenFiles() int {
    12  	var rlim syscall.Rlimit
    13  	if err := syscall.Getrlimit(syscall.RLIMIT_NOFILE, &rlim); err != nil {
    14  		return defaultMaxOpenFiles
    15  	}
    16  	return int(rlim.Cur)
    17  }