runtime·parkunlock 1993 src/pkg/runtime/mgc0.c runtime·parkunlock(&gclock, "GC sweep wait"); runtime·parkunlock 2644 src/pkg/runtime/mgc0.c runtime·parkunlock(&finlock, "finalizer wait"); runtime·parkunlock 918 src/pkg/runtime/runtime.h void runtime·parkunlock(Lock*, int8*);