sync

New Issue

map.Range has started allocating as of Go 1.20NeedsInvestigationPerformancecompiler/runtimehelp wanted

#62404 opened 7 months ago by sdmnebulon

bad mutex state on RISC-VNeedsInvestigationarch-riscvcompiler/runtimehelp wanted

#62100 opened 8 months ago by mknyszek

TestCondBroadcast failuresNeedsInvestigationarch-riscvcompiler/runtimehelp wanted

#61874 opened 8 months ago by gopherbot

add Map.Clear methodProposalProposal-Accepted

#61696 opened 8 months ago by leaxoy

using a nil Pool causes a fatal errorNeedsFixcompiler/runtime

#61651 opened 8 months ago by dominikh

mutex gets stuck in locked state

#60723 opened 10 months ago by andrewhodel

Range reports concurrent map iterator and writeWaitingForInfocompiler/runtime

#60216 opened 11 months ago by hardik-cisco

add batch API to PoolFrozenDueToAgeProposal

#59348 opened 1 year ago by rip-create-your-account

TestCondSignalStealing failuresFrozenDueToAgeNeedsFixTestingcompiler/runtimehelp wanted

#59043 opened 1 year ago by gopherbot

Add IsLocked() to avoid dead lock or unlock a unlocked lock.FrozenDueToAgeProposal

#56829 opened 1 year ago by MeteorsLiu

wait group produces data race when waiting before adding in separate goroutineFrozenDueToAgecompiler/runtime

#56728 opened 1 year ago by alarbada

occasional panic "inconsistent mutex state" on sync.allPoolsMuFrozenDueToAgeNeedsInvestigationWaitingForInfocompiler/runtime

#56648 opened 1 year ago by supergao222

add sync.Map.Len()FrozenDueToAgeProposal

#56146 opened 2 years ago by mattn

add OnceFunc, OnceValue, OnceValuesProposalProposal-AcceptedProposal-FinalCommentPeriodcompiler/runtimegenericshelp wanted

#56102 opened 2 years ago by adg

116

Once keeps the function to be executed aliveFrozenDueToAgeNeedsInvestigationcompiler/runtime

#55854 opened 2 years ago by CAFxX

add SafeLength and DirtyLength.FrozenDueToAgeProposal

#53903 opened 2 years ago by sivchari

Add Once.Try FrozenDueToAgeProposal

#53696 opened 2 years ago by Jorropo

allow checking state of sync.Once (add `Done()`)FrozenDueToAgeProposal

#53649 opened 2 years ago by 0x1a8510f2

sync.Once.Do return doneFrozenDueToAgeProposal

#53485 opened 2 years ago by eNV25

TestMutexLinearOne / TestMutexLinearMany flaky failureFrozenDueToAgeNeedsDecisionokay-after-beta1release-blocker

#53381 opened 2 years ago by cherrymui

TestWaitGroupMisuse2 is flaky [1.17 backport]CherryPickApprovedFrozenDueToAgeTesting

#52306 opened 2 years ago by gopherbot

add new Map methods CompareAndSwap, CompareAndDelete, SwapFrozenDueToAgeProposalProposal-Acceptedcompiler/runtime

#51972 opened 2 years ago by 9072997

Cond prevents struct from being GC'edFrozenDueToAge

#50591 opened 2 years ago by jpap

add method Mutex.Locked(func())FrozenDueToAgeProposal

#49563 opened 2 years ago by twmb

Once.DoP (Do with panics treated differently)FrozenDueToAgeProposal

#49221 opened 2 years ago by pjebs

ExampleWaitGroup includes an porn website urlNeedsFix

#48886 opened 2 years ago by EchoUtopia

new version of sync.MapFrozenDueToAgeNeedsInvestigationPerformancecompiler/runtime

#47643 opened 2 years ago by puzpuzpuz

RWMutex.RLock failed return panicFrozenDueToAgeNeedsInvestigationWaitingForInfo

#47004 opened 2 years ago by Mr1X

clarify if it's valid to call Map methods inside the Map.Range callbackDocumentationFrozenDueToAgeNeedsFixhelp wanted

#46399 opened 2 years ago by mvdan

SIGSEGV in runtime.checkptrBase via (*Pool).pinFrozenDueToAgeNeedsInvestigationrelease-blocker

#45977 opened 2 years ago by bcmills

internal/poll.TestSplicePipePool fails on 32-bit platforms after sync.Pool CL 303949FrozenDueToAgeNeedsInvestigationSoonrelease-blocker

#45782 opened 3 years ago by cherrymui

add Mutex.TryLockFrozenDueToAgeProposalProposal-AcceptedProposal-FinalCommentPeriod

#45435 opened 3 years ago by TyeMcQueen

misleading comment in map.go about entry type while p == nilFrozenDueToAgeNeedsFix

#45429 opened 3 years ago by pancl1411

Map LoadOrStore interpret functions for `value`FrozenDueToAgeProposal

#45414 opened 3 years ago by pjebs

Pool releasing items too quicklyFrozenDueToAge

#44744 opened 3 years ago by pjebs

Add a method to WaitGroup to simplify Add, Done, go func()FrozenDueToAge

#44473 opened 3 years ago by darkfeline

Allow (*sync.Map).LoadOrStore uses closure to create new value like sync.PoolFrozenDueToAgeProposal

#44159 opened 3 years ago by ethe

extra functionality for sync.PoolFrozenDueToAgeProposal

#43663 opened 3 years ago by pjebs

Once documentation doesn't say whether it's okay to copyDocumentationFrozenDueToAgeNeedsFix

#42160 opened 3 years ago by dmitshur

add Done() bool method to sync.OnceFrozenDueToAgeProposal

#41690 opened 3 years ago by niktri

deemphasize goroutines in RWMutex documentationDocumentationNeedsFixcompiler/runtimehelp wanted

#41555 opened 3 years ago by bcmills

sync.Map keys will never be garbage collected [1.15 backport]CherryPickApprovedFrozenDueToAgerelease-blocker

#41011 opened 3 years ago by gopherbot

sync.Map keys will never be garbage collected [1.14 backport]CherryPickCandidateFrozenDueToAge

#41010 opened 3 years ago by gopherbot

sync.Map keys will never be garbage collectedFrozenDueToAgeNeedsFix

#40999 opened 3 years ago by PureWhiteWu

document why copyChecker checks the condition twiceDocumentationNeedsFixcompiler/runtimehelp wanted

#40924 opened 3 years ago by robinbraemer

add Mutex.LockContextFrozenDueToAgeProposal

#40026 opened 3 years ago by nhooyr

add WaitGroup.Go methodFrozenDueToAgeProposal

#39863 opened 3 years ago by oguzyildiz1991

Add UnlockToRLock() to RWMutexFrozenDueToAgeProposal

#38891 opened 4 years ago by pjebs

RWMutex.RLock is 2x slower than Mutex.LockFrozenDueToAgeNeedsInvestigationPerformanceWaitingForInfo

#38813 opened 4 years ago by gaurav1086

merge defers in once.doSlowFrozenDueToAgePerformanceWaitingForInfo

#38320 opened 4 years ago by Peacess

TestWaitGroupMisuse2 is flakyFrozenDueToAgeNeedsFixTesting

#38163 opened 4 years ago by bcmills

add (*WaitGroup).WaitUnlock(l Locker)FrozenDueToAgeProposal

#36349 opened 4 years ago by zhiqiangxu

apparent deadlock in TestWaitGroupMisuse3FrozenDueToAgeNeedsInvestigationrelease-blocker

#35774 opened 4 years ago by bcmills

TestMutexFairness flaky on openbsd-*-62FrozenDueToAgeNeedsInvestigationrelease-blocker

#35281 opened 4 years ago by bcmills

RWMutex non-reentrant rlock -race checkFeatureRequestFrozenDueToAgeNeedsInvestigation

#35138 opened 4 years ago by av-elier

add new Map method LoadAndDeleteFrozenDueToAgeProposalProposal-Acceptedhelp wanted

#33762 opened 4 years ago by wkonkel

Mutex performance collapses with high concurrencyFrozenDueToAgeNeedsInvestigationPerformance

#33747 opened 4 years ago by rhysh

detect recursive locks, somehowFrozenDueToAge

#33584 opened 4 years ago by kevinburke1

map crash at StoreFrozenDueToAgeNeedsInvestigation

#33338 opened 4 years ago by hemaolong

TestPoolChain occasionally fails on linux-arm64FrozenDueToAgeNeedsInvestigation

#32265 opened 4 years ago by erifan

Pool.Get is half the speed when uncontendedFrozenDueToAgeNeedsInvestigation

#31820 opened 5 years ago by rogpeppe

Pool tests flaky on arm buildersFrozenDueToAgeNeedsFixTestingrelease-blocker

#31422 opened 5 years ago by bcmills

define marshal/unmarshal methods for MapFrozenDueToAgeProposal

#31136 opened 5 years ago by PumpkinSeed

random errors on sync.Once running on MacOS Mojave or High Serra [1.12 backport]CherryPickApprovedFrozenDueToAge

#30470 opened 5 years ago by gopherbot

random errors on sync.Once running on MacOS Mojave or High SerraFrozenDueToAgeNeedsInvestigation

#30453 opened 5 years ago by ucirello

Map has poor performanceFrozenDueToAgeNeedsInvestigationPerformance

#28938 opened 5 years ago by robaho

WaitGroup behaves differently in Go 1.11FrozenDueToAgeNeedsInvestigation

#28123 opened 5 years ago by ryan-ju

Go 2: rename sync.RWMutex's Unlock() to WUnlock()FrozenDueToAgeProposalv2

#27936 opened 5 years ago by brendan-rius

need a way to guarantee that WaitGroup.state1 fields are always 4-bytes alignedFrozenDueToAgeNeedsInvestigationcompiler/runtime

#27577 opened 5 years ago by go101

Map.Store() crash with fatal error: sync: unlock of unlocked mutexFrozenDueToAgeNeedsInvestigationWaitingForInfo

#26480 opened 5 years ago by amezghal

add a Reset method for sync.OnceFrozenDueToAgeProposal

#25955 opened 5 years ago by SilverRainZ

Map.Delete to return deleted valueFeatureRequestFrozenDueToAgev2

#25396 opened 6 years ago by localvar

add blocking methods with Context parameter to Once and WaitGroupFrozenDueToAgeProposal

#25312 opened 6 years ago by daviddengcn

Add Len() method to sync.MapFrozenDueToAge

#25112 opened 6 years ago by kelwang

add example for CondDocumentationFrozenDueToAge

#24952 opened 6 years ago by kevinburke

Cond WaitFor and/or WaitUntil method(s)FrozenDueToAge

#24429 opened 6 years ago by dfawley

concurrent map iteration and map write on Map errorFrozenDueToAgeWaitingForInfo

#24112 opened 6 years ago by zjshen14

WaitGroup is still confusingFrozenDueToAgeWaitingForInfo

#24010 opened 6 years ago by anshulpundir

Data race happen when using sync.WaitGroupFrozenDueToAge

#23842 opened 6 years ago by DrmagicE

function passed by value cause unreasonable goroutine blocked(random)FrozenDueToAge

#23612 opened 6 years ago by vzex

Map.Delete method should return bool, indicating if key was deleted or notFrozenDueToAgeProposal

#23547 opened 6 years ago by lkarlslund

Proposal: Add a Go() function to sync.WaitGroupFrozenDueToAgeProposal

#23538 opened 6 years ago by pkern

add RWMutex.DowngradeLockFrozenDueToAgeProposal

#23513 opened 6 years ago by nixprime

inconsistent article for RWMutexDocumentationFrozenDueToAge

#23457 opened 6 years ago by mark-rushakoff

add function to free objects removed from a PoolFrozenDueToAgeProposal

#23216 opened 6 years ago by neild

provide Cond.TimedWait(d time.Duration)FrozenDueToAgeProposalProposal-Declined

#23211 opened 6 years ago by theodesp

unlocking an unlocked Mutex panics (should throw)FrozenDueToAgeNeedsDecision

#23039 opened 6 years ago by rhysh

avoid clearing the full Pool on every GCFrozenDueToAgeNeedsDecisionPerformanceSuggested

#22950 opened 6 years ago by dsnet

Once uses, but doesn't need atomic operations FrozenDueToAge

#22104 opened 6 years ago by JelteF

documentation for Map is inadequateDocumentationFrozenDueToAge

#21587 opened 6 years ago by robpike

improve performance for atomics in ppc64xFrozenDueToAgeNeedsFix

#21348 opened 6 years ago by laboger

Map method suggestionsFrozenDueToAge

#21199 opened 6 years ago by pcostanza

remove the Cond typeNeedsDecisionProposal

#21165 opened 6 years ago by bcmills

Map Key "sync" Ulock RlockFrozenDueToAge

#21050 opened 6 years ago by joelurtubia

get the size of sync.MapFrozenDueToAge

#20921 opened 6 years ago by AlexStocks

enhance Map to provide `UpdateOrStore` FeatureRequestFrozenDueToAge

#20884 opened 6 years ago by RussellLuo

add Map.Len method?FeatureRequestNeedsDecision

#20680 opened 6 years ago by F21

clarify Cond "created as part of other structures" documentationDocumentationFrozenDueToAge

#20471 opened 7 years ago by joneskoo

enhancement: have the new sync.Map use sharding FrozenDueToAgePerformance

#20360 opened 7 years ago by orcaman

TestPool failure on windows-amd64-2016FrozenDueToAgeNeedsInvestigationTesting

#20198 opened 7 years ago by josharian

TestWaitGroupMisuse2 hangs sometimesFrozenDueToAgeNeedsFixhelp wanted

#20072 opened 7 years ago by mundaym

RWLocker interfaceFrozenDueToAgeProposalProposal-Declined

#19728 opened 7 years ago by vitalyisaev2

test timeout with -cpu=10FrozenDueToAgeNeedsInvestigationTestinghelp wanted

#19476 opened 7 years ago by mundaym

confusing documentation for RWMutexDocumentationFrozenDueToAgeNeedsFix

#19460 opened 7 years ago by Lexicality

add a HasRun method to sync.OnceFrozenDueToAgeProposal

#19245 opened 7 years ago by btracey

save 4 bytes memory allocation in WaitGroup structFrozenDueToAgeNeedsInvestigationhelp wanted

#19149 opened 7 years ago by go101

Add sync.SemaphoreFrozenDueToAgeProposal

#19120 opened 7 years ago by smasher164

add a Map to replace RWLock+map usageFrozenDueToAgeProposal-Accepted

#18177 opened 7 years ago by bcmills

tests fail with mutex profilingFrozenDueToAgehelp wanted

#17966 opened 7 years ago by bradfitz

bad placement of multiple contested locks can cause drastic slowdownFrozenDueToAge

#17953 opened 7 years ago by ianlancetaylor

speed up Mutex.UnlockFrozenDueToAge

#17684 opened 7 years ago by johnrs

panic unlock mutex from sync.OnceFrozenDueToAgeWaitingForInfo

#16762 opened 7 years ago by cpuguy83

delete TestCondCopy?FrozenDueToAge

#16229 opened 7 years ago by josharian

document that double RLock isn't safeDocumentationFrozenDueToAgeNeedsFix

#15418 opened 8 years ago by ghost

potential race when using cond.BroadcastFrozenDueToAge

#14064 opened 8 years ago by ianlancetaylor

recover of panic in Unlock of unlocked Mutex leaves Mutex in odd stateFrozenDueToAgeNeedsFix

#13879 opened 8 years ago by rogpeppe

Lock stuck after a time.Ticker receiveFrozenDueToAge

#12155 opened 8 years ago by pierrec

docs say WaitGroup is a function, and that it panicsDocumentationFrozenDueToAge

#12060 opened 8 years ago by elimisteve

Pool appears to interact poorly with concurrent GCFrozenDueToAge

#11834 opened 8 years ago by jacobsa

TestWaitGroupMisuse2 test is flakyFrozenDueToAgeTesting

#11443 opened 8 years ago by kostya-sh

optimize arm atomic operationsFrozenDueToAgecompiler/runtime

#10873 opened 9 years ago by minux

add WaitTimeout method to CondFrozenDueToAge

#9578 opened 9 years ago by mei-rune

Pool does not release memory on GCFrozenDueToAge

#8979 opened 9 years ago by dvyukov

consider doing active spinningFrozenDueToAgePerformance

#8889 opened 9 years ago by dvyukov

intermittent crash locking Mutex -- unexpected fault addressFrozenDueToAge

#8703 opened 9 years ago by bmatsuo

WaitGroup Add vs Done keeps confusing peopleFrozenDueToAge

#8543 opened 9 years ago by gopherbot

add comment to docs detailing behavior when once.Do function panicsDocumentationFrozenDueToAge

#8118 opened 10 years ago by gopherbot

WaitGroup showing up with race detected FrozenDueToAgeRaceDetector

#8054 opened 10 years ago by fraenkel

RWMutex should panic on RUnlock of non-RLocked lockFrozenDueToAge

#7877 opened 10 years ago by calmh

A deadlock occurs when call the Wait() of a Cond associated with the RLocker of a RWMutex after call the Lock() of the RWMutexFrozenDueToAge

#7858 opened 10 years ago by hyper0x

spurious wakeup from WaitGroup.WaitFrozenDueToAge

#7734 opened 10 years ago by rui314

FAIL: TestPoolGC-10 (1.06 seconds) pool_test.go:97: only 85 out of 100 resources are finalizedFrozenDueToAge

#7612 opened 10 years ago by gopherbot

document RWMutex.RLock shouldn't be used recursivelyDocumentationFrozenDueToAge

#7576 opened 10 years ago by dvyukov

TestPoolGC failingFrozenDueToAge

#7533 opened 10 years ago by gpaul

Export Waitgroup.counter and WaitGroup.waitersFrozenDueToAge

#7202 opened 10 years ago by hgfischer

document Pool betterFrozenDueToAge

#7167 opened 10 years ago by rsc

return true from the last WaitGroup.DoneFrozenDueToAgev2

#7019 opened 10 years ago by dvyukov

decide whether to keep PoolFrozenDueToAge

#6984 opened 10 years ago by rsc

mutex.TryLockFrozenDueToAge

#6123 opened 10 years ago by lukescott

Package sync should have examplesDocumentationFrozenDueToAge

#5741 opened 10 years ago by gopherbot

performance drop with mutexFrozenDueToAge

#5183 opened 11 years ago by egonelbre

add Pool typeFrozenDueToAge

#4720 opened 11 years ago by bradfitz

add atomic UnlockAndRLock to RWMutexFrozenDueToAge

#4026 opened 11 years ago by dsymonds

add Mutex.MustBeLockedFrozenDueToAge

#1366 opened 13 years ago by msolo