// 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 syscall | |
// adjustFileLimit adds per-OS limitations on the Rlimit used for RLIMIT_NOFILE. See rlimit.go. | |
func adjustFileLimit(lim *Rlimit) { | |
// On older macOS, setrlimit(RLIMIT_NOFILE, lim) with lim.Cur = infinity fails. | |
// Set to the value of kern.maxfilesperproc instead. | |
n, err := SysctlUint32("kern.maxfilesperproc") | |
if err != nil { | |
return | |
} | |
if lim.Cur > uint64(n) { | |
lim.Cur = uint64(n) | |
} | |
} |