Source file src/syscall/rlimit_darwin.go

     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  

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