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Fix 64-bit atomic operations on 32-bit machines #19531

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Apr 27, 2022
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5 changes: 4 additions & 1 deletion modules/queue/workerpool.go
Original file line number Diff line number Diff line change
Expand Up @@ -22,6 +22,10 @@ import (
// they use to detect if there is a block and will grow and shrink in
// response to demand as per configuration.
type WorkerPool struct {
// This field requires to be the first one in the struct.
// This is to allow 64 bit atomic operations on 32-bit machines.
// See: https://pkg.go.dev/sync/atomic#pkg-note-BUG & Gitea issue 19518
numInQueue int64
lock sync.Mutex
baseCtx context.Context
baseCtxCancel context.CancelFunc
Expand All @@ -38,7 +42,6 @@ type WorkerPool struct {
blockTimeout time.Duration
boostTimeout time.Duration
boostWorkers int
numInQueue int64
}

var (
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