Mercurial > hg > nginx
comparison src/os/unix/ngx_readv_chain.c @ 5776:d1bde5c3c5d2
Bigger iovec buffer in ngx_readv_chain().
This helps to reduce likelyhood of memory allocations in ngx_readv_chain(),
which are known to lead to noticeable effects in some cases, see
http://mailman.nginx.org/pipermail/nginx/2014-July/044512.html.
| author | Maxim Dounin <mdounin@mdounin.ru> |
|---|---|
| date | Mon, 28 Jul 2014 18:30:19 +0400 |
| parents | ee78c7705a8e |
| children | 43512a33e8f2 |
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| 5775:294d020bbcfe | 5776:d1bde5c3c5d2 |
|---|---|
| 8 #include <ngx_config.h> | 8 #include <ngx_config.h> |
| 9 #include <ngx_core.h> | 9 #include <ngx_core.h> |
| 10 #include <ngx_event.h> | 10 #include <ngx_event.h> |
| 11 | 11 |
| 12 | 12 |
| 13 #define NGX_IOVS 16 | 13 #if (IOV_MAX > 64) |
| 14 #define NGX_IOVS 64 | |
| 15 #else | |
| 16 #define NGX_IOVS IOV_MAX | |
| 17 #endif | |
| 14 | 18 |
| 15 | 19 |
| 16 #if (NGX_HAVE_KQUEUE) | 20 #if (NGX_HAVE_KQUEUE) |
| 17 | 21 |
| 18 ssize_t | 22 ssize_t |