Commit 03afa209de96d67f1a4b935460aeabe63f5ef24f

Christopher Davis 2010-08-16T01:23:57

IOCP-related evbuffer fixes. - Prevent evbuffer_{add,prepend}_buffer from moving read-pinned chains. - Fix evbuffer_drain to handle read-pinned chains better. - Raise the limit on WSABUFs from two to MAX_WSABUFS for overlapped reads.