Hi all.

My nginx version is svn trunk.

Nginx will call ngx_handle_read_event, and then
call ngx_http_read_discarded_request_body In ngx_http_discard_request_body ..
So this will cause client's body read incomplete data , because
ngx_handle_read_event
may delete read event when use level event.

ngx_handle_read_event:

else if (ngx_event_flags & NGX_USE_LEVEL_EVENT) {

/* select, poll, /dev/poll */
..................................................................

if (rev->active && (rev->ready || (flags & NGX_CLOSE_EVENT))) {
if (ngx_del_event(rev, NGX_READ_EVENT, NGX_LEVEL_EVENT | flags)
== NGX_ERROR)
{
return NGX_ERROR;
}

return NGX_OK;
}


ngx_http_discard_request_body:

r->read_event_handler = ngx_http_discarded_request_body_handler;

if (ngx_handle_read_event(rev, 0) != NGX_OK) {
return NGX_HTTP_INTERNAL_SERVER_ERROR;
}

if (ngx_http_read_discarded_request_body(r) == NGX_OK) {
r->lingering_close = 0;


thanks!

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