go rlimit_darwin 源码
golang rlimit_darwin 代码
文件路径：/src/os/rlimit_darwin.go
// Copyright 2022 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 darwin
package os
import "syscall"
// adjustFileLimit adds per-OS limitations on the Rlimit used for RLIMIT_NOFILE. See rlimit.go.
func adjustFileLimit(lim *syscall.Rlimit) {
// On older macOS, setrlimit(RLIMIT_NOFILE, lim) with lim.Cur = infinity fails.
// Set to the value of kern.maxfilesperproc instead.
n, err := syscall.SysctlUint32("kern.maxfilesperproc")
if err != nil {
return
}
if lim.Cur > uint64(n) {
lim.Cur = uint64(n)
}
}
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