Mercurial > hg > nginx-vendor-0-8
diff src/os/unix/ngx_linux_sendfile_chain.c @ 232:d8f5c91a5c07 NGINX_0_4_1
nginx 0.4.1
*) Bugfix: the DragonFlyBSD compatibility.
Thanks to Pavel Nazarov.
*) Workaround: of bug in 64-bit Linux sendfile(), when file is more
than 2G.
*) Feature: now on Linux nginx uses O_NOATIME flag for static
requests.
Thanks to Yusuf Goolamabbas.
author | Igor Sysoev <http://sysoev.ru> |
---|---|
date | Thu, 14 Sep 2006 00:00:00 +0400 |
parents | 36af50a5582d |
children | 30862655219e |
line wrap: on
line diff
--- a/src/os/unix/ngx_linux_sendfile_chain.c +++ b/src/os/unix/ngx_linux_sendfile_chain.c @@ -16,9 +16,15 @@ * parameter is int32_t, and use sendfile() for the file parts below 2G only, * see src/os/unix/ngx_linux_config.h * - * Linux 2.4.21 has a new sendfile64() syscall #239. + * Linux 2.4.21 has the new sendfile64() syscall #239. + * + * On Linux up to 2.6.16 sendfile() does not allow to pass the count parameter + * more than 2G-1 bytes even on 64-bit platforms: it returns EINVAL, + * so we limit it to 2G-1 bytes. */ +#define NGX_SENDFILE_LIMIT 2147483647L + #if (IOV_MAX > 64) #define NGX_HEADERS 64 @@ -54,10 +60,10 @@ ngx_linux_sendfile_chain(ngx_connection_ } - /* the maximum limit size is the maximum size_t value - the page size */ + /* the maximum limit size is 2G-1 - the page size */ - if (limit == 0 || limit > NGX_MAX_SIZE_T_VALUE - ngx_pagesize) { - limit = NGX_MAX_SIZE_T_VALUE - ngx_pagesize; + if (limit == 0 || limit > NGX_SENDFILE_LIMIT - ngx_pagesize) { + limit = NGX_SENDFILE_LIMIT - ngx_pagesize; }