what's the meaning ? ctx->srv conf = cscfp[s]->ctx->srv conf
igor at sysoev.ru
Thu Dec 23 10:11:59 MSK 2010
On Thu, Dec 23, 2010 at 01:46:15AM -0500, garry.lgr wrote:
> I drawed a picture according to the code of the nginx-0.9.1. The top
> part in the picture is built in the ngx_http_block of ngx_http.c.
> When the ngx_http_merge_servers function at line 277 is called, the
> ctx->srv_conf have hold the address of cf->ctx->srv_conf. After
> ctx->srv_conf = cscfp[s]->ctx->srv_conf, ctx->srv_conf discard it's
> older address to point to the new address cscfp[s]->ctx->srv_conf.
Think ctx->srv_conf like a hidden function parameter available via cf->ctx:
merge_srv_conf(cf, [ cf->ctx->srv_conf ], ...
> So I think it will generate memory leak.
All memory operated in ngx_http.c and many other files are allocated
from memory pools freed at once. For example, memory in ngx_http.c
is freed after each reconfiguration.
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