Upstream: fixed non-buffered proxying with eventport. For new data to be reported with eventport on Solaris, ngx_handle_read_event() needs to be called after reading response headers. To do so, ngx_http_upstream_process_non_buffered_upstream() now called unconditionally if there are no prepread data. This won't cause any read() syscalls as long as upstream connection is not ready for reading (c->read->ready is not set), but will result in proper handling of all events.

# Copyright (C) Igor Sysoev
# Copyright (C) Nginx, Inc.


ngx_include="unistd.h";      . auto/include
ngx_include="inttypes.h";    . auto/include
ngx_include="limits.h";      . auto/include
ngx_include="sys/filio.h";   . auto/include
ngx_include="sys/param.h";   . auto/include
ngx_include="sys/mount.h";   . auto/include
ngx_include="sys/statvfs.h"; . auto/include
ngx_include="crypt.h";       . auto/include