[PATCH] resetting write event handler in ngx_http_named_location
agentzh at gmail.com
Wed May 2 15:04:08 UTC 2012
drdrxp has found a hanging problem when using ngx_eval in a named
location which is internal redirected to at content phase:
And we've found it is related to an issue in ngx_http_named_location
which could affect a wide range of different nginx modules. This issue
still exists in nginx 1.2.0.
Below is a patch (for nginx 1.0.15) to fix it by resetting
r->write_event_handler to ngx_http_core_run_phases, just as in
ngx_http_internal_redirect. The patch is needed because when
ngx_http_named_location is called from within the content phase,
r->write_event_handler is reset to ngx_http_request_empty_handler in
ngx_http_core_content_phase, or other content handlers may override it
to other things too.
Hopefully this issue can be fixed in the official core.
--- nginx-1.0.15/src/http/ngx_http_core_module.c 2012-03-05
2012-05-02 21:57:40.624937882 +0800
@@ -2567,6 +2567,8 @@
r->phase_handler = cmcf->phase_engine.location_rewrite_index;
+ r->write_event_handler = ngx_http_core_run_phases;
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