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Editing: rlimit_test.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 unix package syscall_test import ( "os" "runtime" "testing" ) func TestOpenFileLimit(t *testing.T) { // For open file count, // macOS sets the default soft limit to 256 and no hard limit. // CentOS and Fedora set the default soft limit to 1024, // with hard limits of 4096 and 524288, respectively. // Check that we can open 1200 files, which proves // that the rlimit is being raised appropriately on those systems. fileCount := 1200 // OpenBSD has a default soft limit of 512 and hard limit of 1024. if runtime.GOOS == "openbsd" { fileCount = 768 } var files []*os.File for i := 0; i < fileCount; i++ { f, err := os.Open("rlimit.go") if err != nil { t.Error(err) break } files = append(files, f) } for _, f := range files { f.Close() } }
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