Mercurial > hg > nginx-vendor-0-7
view src/os/unix/ngx_aio_read_chain.c @ 500:ed3d382670c7 NGINX_0_7_62
nginx 0.7.62
*) Security: a segmentation fault might occur in worker process while
specially crafted request handling.
Thanks to Chris Ries.
*) Feature: the $upstream_cache_status variable.
*) Bugfix: an expired cached response might stick in the "UPDATING"
state.
*) Bugfix: a segmentation fault might occur in worker process, if
error_log was set to info or debug level.
Thanks to Sergey Bochenkov.
*) Bugfix: in handling FastCGI headers split in records.
*) Bugfix: XSLT filter may fail with message "not well formed XML
document" for valid XML document.
Thanks to Kuramoto Eiji.
*) Bugfix: now in MacOSX, Cygwin, and nginx/Windows locations given by
a regular expression are always tested in case insensitive mode.
*) Bugfix: now nginx/Windows ignores trailing dots in URI.
Thanks to Hugo Leisink.
*) Bugfix: name of file specified in --conf-path was not honored during
installation; the bug had appeared in 0.6.6.
Thanks to Maxim Dounin.
*) Bugfix: a 500 error code was returned for invalid login/password
while HTTP Basic authentication on Windows.
author | Igor Sysoev <http://sysoev.ru> |
---|---|
date | Mon, 14 Sep 2009 00:00:00 +0400 |
parents | df17fbafec8f |
children |
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/* * Copyright (C) Igor Sysoev */ #include <ngx_config.h> #include <ngx_core.h> #include <ngx_event.h> #include <ngx_aio.h> ssize_t ngx_aio_read_chain(ngx_connection_t *c, ngx_chain_t *cl) { int n; u_char *buf, *prev; size_t size; ssize_t total; if (c->read->pending_eof) { c->read->ready = 0; return 0; } total = 0; while (cl) { /* we can post the single aio operation only */ if (!c->read->ready) { return total ? total : NGX_AGAIN; } buf = cl->buf->last; prev = cl->buf->last; size = 0; /* coalesce the neighbouring bufs */ while (cl && prev == cl->buf->last) { size += cl->buf->end - cl->buf->last; prev = cl->buf->end; cl = cl->next; } n = ngx_aio_read(c, buf, size); ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "aio_read: %d", n); if (n == NGX_AGAIN) { return total ? total : NGX_AGAIN; } if (n == NGX_ERROR) { return NGX_ERROR; } if (n == 0) { c->read->pending_eof = 1; if (total) { c->read->eof = 0; c->read->ready = 1; } return total; } if (n > 0) { total += n; } ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "aio_read total: %d", total); } return total ? total : NGX_AGAIN; }