Mercurial > hg > nginx-vendor-1-0
diff src/os/unix/ngx_files.h @ 532:f7ec98e3caeb NGINX_0_8_18
nginx 0.8.18
*) Feature: the "read_ahead" directive.
*) Feature: now several "perl_modules" directive may be used.
*) Feature: the "limit_req_log_level" and "limit_conn_log_level"
directives.
*) Bugfix: now "limit_req" directive conforms to the leaky bucket
algorithm.
Thanks to Maxim Dounin.
*) Bugfix: nginx did not work on Linux/sparc.
Thanks to Marcus Ramberg.
*) Bugfix: nginx sent '\0' in a "Location" response header line on
MKCOL request.
Thanks to Xie Zhenye.
*) Bugfix: zero status code was logged instead of 499 status code; the
bug had appeared in 0.8.11.
*) Bugfix: socket leak; the bug had appeared in 0.8.11.
author | Igor Sysoev <http://sysoev.ru> |
---|---|
date | Tue, 06 Oct 2009 00:00:00 +0400 |
parents | 86dad910eeb6 |
children | 0dc162a5f3e8 |
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--- a/src/os/unix/ngx_files.h +++ b/src/os/unix/ngx_files.h @@ -254,6 +254,28 @@ ngx_err_t ngx_unlock_fd(ngx_fd_t fd); #define ngx_unlock_fd_n "fcntl(F_SETLK, F_UNLCK)" +#if (NGX_HAVE_F_READAHEAD) + +#define NGX_HAVE_READ_AHEAD 1 + +#define ngx_read_ahead(fd, n) fcntl(fd, F_READAHEAD, (int) n) +#define ngx_read_ahead_n "fcntl(fd, F_READAHEAD)" + +#elif (NGX_HAVE_POSIX_FADVISE) + +#define NGX_HAVE_READ_AHEAD 1 + +#define ngx_read_ahead(fd, n) posix_fadvise(fd, 0, 0, POSIX_FADV_SEQUENTIAL) +#define ngx_read_ahead_n "posix_fadvise(POSIX_FADV_SEQUENTIAL)" + +#else + +#define ngx_read_ahead(fd, n) 0 +#define ngx_read_ahead_n "ngx_read_ahead_n" + +#endif + + #if (NGX_HAVE_O_DIRECT) ngx_int_t ngx_directio_on(ngx_fd_t fd);