[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>
This commit is contained in:
dependabot[bot]
2025-04-07 11:04:45 +01:00
committed by GitHub
parent 2cc5d6269d
commit 4232d61782
5 changed files with 47 additions and 30 deletions

View File

@@ -2,7 +2,6 @@ package mutexes
import (
"sync"
"sync/atomic"
"unsafe"
"codeberg.org/gruf/go-mempool"
@@ -185,34 +184,11 @@ func (mu *rwmutex) Unlock() bool {
// Fully unlocked.
mu.t = 0
// NOTE: must remain in
// sync with runtime.notifyList{}.
//
// goexperiment.staticlockranking
// does change it slightly, but
// this does not alter the first
// 2 fields which are all we need.
type notifyList struct {
_ uint32
notify uint32
// ... other fields
}
// NOTE: must remain in
// sync with sync.Cond{}.
type syncCond struct {
_ struct{}
L sync.Locker
n notifyList
// ... other fields
}
// Awake all blocked goroutines and check
// for change in the last notified ticket.
cptr := (*syncCond)(unsafe.Pointer(&mu.c))
before := atomic.LoadUint32(&cptr.n.notify)
before := syncCond_last_ticket(&mu.c)
mu.c.Broadcast() // awakes all blocked!
after := atomic.LoadUint32(&cptr.n.notify)
after := syncCond_last_ticket(&mu.c)
// If ticket changed, this indicates
// AT LEAST one goroutine was awoken.