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da20785685
Former-commit-id: 23f542f43b4b493e38f5aa4c29788ed93a63b43b [formerly 71b23a6a28eb045fcfeab6329de69f1e5455486b] Former-commit-id: d12b3a6decc876f010a71f98e11df7387c1aaf2a
46 lines
1.5 KiB
Go
46 lines
1.5 KiB
Go
// 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 fdlimit
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import (
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"fmt"
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"testing"
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)
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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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hardlimit, err := Maximum()
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if err != nil {
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t.Fatal(err)
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}
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if hardlimit < target {
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t.Skip(fmt.Sprintf("system limit is less than desired test target: %d < %d", hardlimit, target))
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}
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if limit, err := Current(); 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 := Raise(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 := Current(); 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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