unlockOSThread()

		releasem(mp)
	}
}

// called from assembly.
func badcgocallback() {
	throw("misaligned stack in cgocallback")
}

// called from (incomplete) assembly.
func cgounimpl() {
	throw("cgo not implemented")
}

var racecgosync uint64 // represents possible synchronization in C code

// Pointer checking for cgo code.