Implement probabilistic reader/writer locks under windows so that windows
can have multiple simultaneous readers. (CVS 714) FossilOrigin-Name: 2127de3f03537ef2f18120e773f7603e0984ff81
D
drh committed
d1efac52d554e0fc81f6daed6d3ebf304e7a00e1
Parent: c330af1