const runtime.waitReasonSemacquire

3 uses

	runtime (current package)
		runtime2.go#L1033: 	waitReasonSemacquire                              // "semacquire"
		runtime2.go#L1063: 	waitReasonSemacquire:            "semacquire",
		sema.go#L144: 		goparkunlock(&root.lock, waitReasonSemacquire, traceEvGoBlockSync, 4+skipframes)