rlimit_darwin.mx raw

   1  // Copyright 2022 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  //go:build darwin
   6  
   7  package syscall
   8  
   9  // adjustFileLimit adds per-OS limitations on the Rlimit used for RLIMIT_NOFILE. See rlimit.go.
  10  func adjustFileLimit(lim *Rlimit) {
  11  	// On older macOS, setrlimit(RLIMIT_NOFILE, lim) with lim.Cur = infinity fails.
  12  	// Set to the value of kern.maxfilesperproc instead.
  13  	n, err := SysctlUint32("kern.maxfilesperproc")
  14  	if err != nil {
  15  		return
  16  	}
  17  	if lim.Cur > uint64(n) {
  18  		lim.Cur = uint64(n)
  19  	}
  20  }
  21