Nginx Timer is killing my request pool

[tommy watson]

My money is on your request has been cleaned up in ngx_http_free_request():

https://github.com/nginx/nginx/blob/master/src/http/ngx_http_request.c#L3493

On Sat, Feb 21, 2015 at 3:19 PM, Tigran Bayburtsyan <
tigran.bayburtsyan at gmail.com> wrote:

> No this time I'm trying to do it with separate process by just sharing
> memory between Nginx worker and my 3rd party excusable...
> I'm making ngx_timer to send data when it will be received from shared
> memory.
>
> It works fine, but I can't figure out why my r->pool is null ?
>
> I'm using Nginx 1.7 version.
> Thanks for your help.
>
>
> 2015-02-22 1:02 GMT+04:00 tommy watson <tommywatson+nginx-devel at gmail.com>
> :
>
>> Tigran,
>>   are you still using fork() ? As you describe here:
>> http://mailman.nginx.org/pipermail/nginx-devel/2015-February/006554.html
>>
>>  If so, as already explained, the other process is probably closing your
>> request.
>>
>> Cheers.
>>
>>
>> On Sat, Feb 21, 2015 at 2:55 PM, Tigran Bayburtsyan <
>> tigran.bayburtsyan at gmail.com> wrote:
>>
>>> Hi All.
>>>
>>> I've created a function for adding my custom ngx_timer , but after 1st
>>> time loop my r->pool is setting to NULL , also it sets NULL my
>>> r->connection->log, and after second loop it throws exception on  *ngx_palloc
>>> *because my r->pool is NULL.
>>> I can't find out why, here is my function
>>>
>>> *void add_aling_event(ngx_event_t *e, ngx_http_request_t *r, void
>>> (*handler), int timer)*
>>> *{*
>>> *    if(e)*
>>> *    {*
>>> *        ngx_add_timer(e, timer);*
>>> *        return;*
>>> *    }*
>>> *    ngx_event_t *event=ngx_palloc(r->pool,sizeof(ngx_event_t));*
>>> *    memset(event,0,sizeof(ngx_event_t));*
>>> *    event->data=r;*
>>> *    event->handler=handler;*
>>> *    event->log=r->connection->log;*
>>> *    ngx_add_timer(event, timer);*
>>> *}*
>>>
>>> And I'm calling this function like this.
>>>
>>> static ngx_int_t ngx_http_aling_handler(ngx_http_request_t *r)
>>> {
>>>     ........
>>>     ........
>>>     add_aling_event(NULL, r, hack_func, 50);
>>>     return NGX_AGAIN;
>>> }
>>>
>>> void hack_func(ngx_event_t *e)
>>> {
>>>     ngx_http_request_t *r = e->data;
>>>     ........
>>>     ........
>>>
>>>     switch(shmLen[1])
>>>     {
>>>         case 1: // adding chain
>>>         {
>>>             ..........................
>>> *            ..........................*
>>>         };break;
>>>         case 2: // adding last chain
>>>         {
>>>             ..........................
>>> *            ..........................*
>>>         };break;
>>>         default:
>>>         {
>>>             add_aling_event(e, r, hack_func, 50);
>>>         };break;
>>>     }
>>> }
>>>
>>> After 1 or 2 calls r->pool is sets to NULL .....
>>>
>>> Please help me figure out this issue.
>>> Maybe I'm doing something wrong.
>>> I've did this code using example here
>>> https://github.com/tommywatson/nginx-hello-world-module/blob/master/ngx_http_hello_world_module.c#L104
>>>
>>>
>>> Thanks.
>>>
>>> _______________________________________________
>>> nginx-devel mailing list
>>> nginx-devel at nginx.org
>>> http://mailman.nginx.org/mailman/listinfo/nginx-devel
>>>
>>
>>
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>
>
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