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util: use go-deadlock to find deadlock (#40288)
close #40293
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
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@@ -8,6 +8,7 @@ go_test( | |
| ], | ||
| flaky = True, | ||
| race = "on", | ||
| shard_count = 5, | ||
| deps = [ | ||
| "//autoid_service", | ||
| "//config", | ||
|
|
||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,12 @@ | ||
| load("@io_bazel_rules_go//go:def.bzl", "go_library") | ||
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| go_library( | ||
| name = "syncutil", | ||
| srcs = [ | ||
| "mutex_deadlock.go", | ||
| "mutex_sync.go", | ||
| ], | ||
| importpath = "github.com/pingcap/tidb/util/syncutil", | ||
| visibility = ["//visibility:public"], | ||
| deps = ["@com_github_sasha_s_go_deadlock//:go-deadlock"], | ||
| ) |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,40 @@ | ||
| // Copyright 2023 PingCAP, Inc. | ||
| // | ||
| // 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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| //go:build deadlock | ||
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| package syncutil | ||
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| import ( | ||
| "time" | ||
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| deadlock "github.com/sasha-s/go-deadlock" | ||
| ) | ||
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| // EnableDeadlock is a flag to enable deadlock detection. | ||
| const EnableDeadlock = true | ||
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| func init() { | ||
| deadlock.Opts.DeadlockTimeout = 20 * time.Second | ||
| } | ||
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| // A Mutex is a mutual exclusion lock. | ||
| type Mutex struct { | ||
| deadlock.Mutex | ||
| } | ||
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| // An RWMutex is a reader/writer mutual exclusion lock. | ||
| type RWMutex struct { | ||
| deadlock.RWMutex | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,32 @@ | ||
| // Copyright 2023 PingCAP, Inc. | ||
| // | ||
| // 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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| //go:build !deadlock | ||
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| package syncutil | ||
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| import "sync" | ||
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| // EnableDeadlock is a flag to enable deadlock detection. | ||
| const EnableDeadlock = false | ||
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| // A Mutex is a mutual exclusion lock. | ||
| type Mutex struct { | ||
| sync.Mutex | ||
| } | ||
|
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| // An RWMutex is a reader/writer mutual exclusion lock. | ||
| type RWMutex struct { | ||
| sync.RWMutex | ||
| } |