Hello!
On Fri, Aug 16, 2013 at 10:28 PM, Aaron Bedra wrote:
> I'm looking for a way to make sure a handler only fires once.
If your handler is possible to run multiple times for the same request
(like the post_subrequest handlers) and you want to avoid that, you
can just use a module ctx field to serve as a flag for that. For
example,
ctx = ngx_http_get_module_ctx(r, ngx_http_foo_module);
if (ctx == NULL) {
/* create ctx here and ctx->already_run should be initialized to 0 */
}
if (ctx->already_run) {
return NGX_DONE;
}
/* first time */
ctx->already_run = 1;
/* process normally */
Regards,
-agentzh
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