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) close tikv#8876 Signed-off-by: lhy1024 <admin@liudos.us> Co-authored-by: lhy1024 <admin@liudos.us>
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Original file line number | Diff line number | Diff line change |
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// Copyright 2024 TiKV Project Authors. | ||
// | ||
// Licensed under the Apache License, Version 2.0 (the "License"); | ||
// you may not use this file except in compliance with the License. | ||
// You may obtain a copy of the License at | ||
// | ||
// http://www.apache.org/licenses/LICENSE-2.0 | ||
// | ||
// Unless required by applicable law or agreed to in writing, software | ||
// distributed under the License is distributed on an "AS IS" BASIS | ||
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
// See the License for the specific language governing permissions and | ||
// limitations under the License. | ||
|
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package timerutil | ||
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import "time" | ||
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// SafeResetTimer is used to reset timer safely. | ||
// Before Go 1.23, the only safe way to use Reset was to call Timer.Stop and explicitly drain the timer first. | ||
// We need be careful here, see more details in the comments of Timer.Reset. | ||
// https://pkg.go.dev/time@master#Timer.Reset | ||
func SafeResetTimer(t *time.Timer, d time.Duration) { | ||
// Stop the timer if it's not stopped. | ||
if !t.Stop() { | ||
select { | ||
case <-t.C: // try to drain from the channel | ||
default: | ||
} | ||
} | ||
t.Reset(d) | ||
} |
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,32 @@ | ||
// Copyright 2024 TiKV Project Authors. | ||
// | ||
// Licensed under the Apache License, Version 2.0 (the "License"); | ||
// you may not use this file except in compliance with the License. | ||
// You may obtain a copy of the License at | ||
// | ||
// http://www.apache.org/licenses/LICENSE-2.0 | ||
// | ||
// Unless required by applicable law or agreed to in writing, software | ||
// distributed under the License is distributed on an "AS IS" BASIS | ||
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
// See the License for the specific language governing permissions and | ||
// limitations under the License. | ||
|
||
package timerutil | ||
|
||
import "time" | ||
|
||
// SafeResetTimer is used to reset timer safely. | ||
// Before Go 1.23, the only safe way to use Reset was to call Timer.Stop and explicitly drain the timer first. | ||
// We need be careful here, see more details in the comments of Timer.Reset. | ||
// https://pkg.go.dev/time@master#Timer.Reset | ||
func SafeResetTimer(t *time.Timer, d time.Duration) { | ||
// Stop the timer if it's not stopped. | ||
if !t.Stop() { | ||
select { | ||
case <-t.C: // try to drain from the channel | ||
default: | ||
} | ||
} | ||
t.Reset(d) | ||
} |
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