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[chore]: Bump codeberg.org/gruf/go-mutexes from 1.5.1 to 1.5.2 (#3976)
Bumps codeberg.org/gruf/go-mutexes from 1.5.1 to 1.5.2. --- updated-dependencies: - dependency-name: codeberg.org/gruf/go-mutexes dependency-version: 1.5.2 dependency-type: direct:production update-type: version-update:semver-patch ... Signed-off-by: dependabot[bot] <support@github.com> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
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5 changed files with 47 additions and 30 deletions
28
vendor/codeberg.org/gruf/go-mutexes/map.go
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vendor/codeberg.org/gruf/go-mutexes/map.go
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@ -2,7 +2,6 @@ package mutexes
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import (
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"sync"
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"sync/atomic"
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"unsafe"
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"codeberg.org/gruf/go-mempool"
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@ -185,34 +184,11 @@ func (mu *rwmutex) Unlock() bool {
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// Fully unlocked.
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mu.t = 0
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// NOTE: must remain in
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// sync with runtime.notifyList{}.
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//
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// goexperiment.staticlockranking
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// does change it slightly, but
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// this does not alter the first
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// 2 fields which are all we need.
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type notifyList struct {
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_ uint32
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notify uint32
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// ... other fields
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}
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// NOTE: must remain in
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// sync with sync.Cond{}.
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type syncCond struct {
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_ struct{}
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L sync.Locker
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n notifyList
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// ... other fields
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}
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// Awake all blocked goroutines and check
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// for change in the last notified ticket.
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cptr := (*syncCond)(unsafe.Pointer(&mu.c))
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before := atomic.LoadUint32(&cptr.n.notify)
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before := syncCond_last_ticket(&mu.c)
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mu.c.Broadcast() // awakes all blocked!
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after := atomic.LoadUint32(&cptr.n.notify)
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after := syncCond_last_ticket(&mu.c)
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// If ticket changed, this indicates
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// AT LEAST one goroutine was awoken.
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