Mercurial > hg > nginx
changeset 6797:40c2f3e06d23
Core: slight optimization in ngx_chain_update_chains().
It is not necessary to traverse *busy and link the *out when *out is NULL.
author | hucongcong <hucong.c@foxmail.com> |
---|---|
date | Thu, 10 Nov 2016 10:17:53 +0800 |
parents | 92ad1c92bcf9 |
children | 2decd6b34306 |
files | src/core/ngx_buf.c |
diffstat | 1 files changed, 9 insertions(+), 7 deletions(-) [+] |
line wrap: on
line diff
--- a/src/core/ngx_buf.c Fri Nov 04 19:12:19 2016 +0300 +++ b/src/core/ngx_buf.c Thu Nov 10 10:17:53 2016 +0800 @@ -186,17 +186,19 @@ { ngx_chain_t *cl; - if (*busy == NULL) { - *busy = *out; + if (*out) { + if (*busy == NULL) { + *busy = *out; - } else { - for (cl = *busy; cl->next; cl = cl->next) { /* void */ } + } else { + for (cl = *busy; cl->next; cl = cl->next) { /* void */ } - cl->next = *out; + cl->next = *out; + } + + *out = NULL; } - *out = NULL; - while (*busy) { cl = *busy;