Method createRelease

internal/project/checkerpool.go:345–378

(requestID string, index int, c *checker.Checker)

}

func (p *checkerPool) createRelease(requestID string, index int, c *checker.Checker) func() {
	return sync.OnceFunc(func() {
		p.mu.Lock()

		if c.WasCanceled() {
			// Canceled checkers must be disposed.
			p.log(fmt.Sprintf("checkerpool: Checker %d for request %s was canceled, disposing", index, holdTag(requestID)))
			p.disposeCheckerLocked(index, c)
		} else {
			p.mergeGlobalDiagnosticsFromCheckerLocked(index, c)
			p.heldBy[index] = ""
			p.lastReleased[index] = time.Now()
			if !p.discarded {
				p.scheduleCleanupLocked()
			}
			// If discarded, skip scheduling cleanup — checkers stay alive
			// until the pool is garbage collected so that API clients can
			// continue resolving type/symbol handles.
		}

		// Unlock before releasing the semaphore slot. If we received from
		// the channel while holding p.mu, a woken goroutine could immediately
		// try to acquire p.mu, risking priority inversion or unnecessary
		// contention.
		p.mu.Unlock()

		// Release the semaphore slot.
		if index == 0 {
			<-p.diagSem
		} else {
			<-p.querySem
		}
	})
}

// registerRequestCleanup uses context.AfterFunc to delete the request
// association when the request context is done. This prevents the map