36 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
		
		
			
		
	
	
			36 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
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								// Copyright 2016 The go-ethereum Authors
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								// This file is part of go-ethereum.
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								//
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								// go-ethereum is free software: you can redistribute it and/or modify
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								// it under the terms of the GNU General Public License as published by
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								// the Free Software Foundation, either version 3 of the License, or
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								// (at your option) any later version.
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								//
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								// go-ethereum is distributed in the hope that it will be useful,
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								// but WITHOUT ANY WARRANTY; without even the implied warranty of
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								// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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								// GNU General Public License for more details.
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								//
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								// You should have received a copy of the GNU General Public License
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								// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
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								package utils
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								import "testing"
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								// TestFileDescriptorLimits simply tests whether the file descriptor allowance
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								// per this process can be retrieved.
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								func TestFileDescriptorLimits(t *testing.T) {
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									target := 4096
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									if limit, err := getFdLimit(); err != nil || limit <= 0 {
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										t.Fatalf("failed to retrieve file descriptor limit (%d): %v", limit, err)
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									}
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									if err := raiseFdLimit(uint64(target)); err != nil {
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										t.Fatalf("failed to raise file allowance")
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									}
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									if limit, err := getFdLimit(); err != nil || limit < target {
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										t.Fatalf("failed to retrieve raised descriptor limit (have %v, want %v): %v", limit, target, err)
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									}
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								}
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