Mercurial > hg > nginx-vendor-current
view src/os/unix/ngx_aio_write_chain.c @ 482:392c16f2d858 NGINX_0_7_53
nginx 0.7.53
*) Change: now a log set by --error-log-path is created from the very
start-up.
*) Feature: now the start up errors and warnings are outputted to an
error_log and stderr.
*) Feature: the empty --prefix= configure parameter forces nginx to use
a directory where it was run as prefix.
*) Feature: the -p switch.
*) Feature: the -s switch on Unix platforms.
*) Feature: the -? and -h switches.
Thanks to Jerome Loyet.
*) Feature: now switches may be set in condensed form.
*) Bugfix: nginx/Windows did not work if configuration file was given
by the -c switch.
*) Bugfix: temporary files might be not removed if the "proxy_store",
"fastcgi_store", "proxy_cache", or "fastcgi_cache" were used.
Thanks to Maxim Dounin.
*) Bugfix: an incorrect value was passed to mail proxy authentication
server in "Auth-Method" header line; the bug had appeared
in 0.7.34.
Thanks to Simon Lecaille.
*) Bugfix: system error text descriptions were not logged on Linux;
the bug had appeared in 0.7.45.
*) Bugfix: the "fastcgi_cache_min_uses" directive did not work.
Thanks to Andrew Vorobyoff.
author | Igor Sysoev <http://sysoev.ru> |
---|---|
date | Mon, 27 Apr 2009 00:00:00 +0400 |
parents | f7cd062ee035 |
children | 86dad910eeb6 |
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/* * Copyright (C) Igor Sysoev */ #include <ngx_config.h> #include <ngx_core.h> #include <ngx_event.h> #include <ngx_aio.h> ngx_chain_t * ngx_aio_write_chain(ngx_connection_t *c, ngx_chain_t *in, off_t limit) { u_char *buf, *prev; off_t send, sent; size_t len; ssize_t n, size; ngx_chain_t *cl; /* the maximum limit size is the maximum size_t value - the page size */ if (limit == 0 || limit > (off_t) (NGX_MAX_SIZE_T_VALUE - ngx_pagesize)) { limit = NGX_MAX_SIZE_T_VALUE - ngx_pagesize; } send = 0; sent = 0; cl = in; while (cl) { if (cl->buf->pos == cl->buf->last) { cl = cl->next; continue; } /* we can post the single aio operation only */ if (!c->write->ready) { return cl; } buf = cl->buf->pos; prev = buf; len = 0; /* coalesce the neighbouring bufs */ while (cl && prev == cl->buf->pos && send < limit) { if (ngx_buf_special(cl->buf)) { continue; } size = cl->buf->last - cl->buf->pos; if (send + size > limit) { size = limit - send; } len += size; prev = cl->buf->pos + size; send += size; cl = cl->next; } n = ngx_aio_write(c, buf, len); ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "aio_write: %z", n); if (n == NGX_ERROR) { return NGX_CHAIN_ERROR; } if (n > 0) { sent += n; c->sent += n; } ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "aio_write sent: %O", c->sent); for (cl = in; cl; cl = cl->next) { if (sent >= cl->buf->last - cl->buf->pos) { sent -= cl->buf->last - cl->buf->pos; cl->buf->pos = cl->buf->last; continue; } cl->buf->pos += sent; break; } } return cl; }