Mercurial > hg > nginx-vendor-1-0
view src/os/unix/ngx_aio_read_chain.c @ 632:65fd8be45530 NGINX_1_0_6
nginx 1.0.6
*) Feature: cache loader run time decrease.
*) Feature: loading time decrease of configuration with large number of
HTTPS sites.
*) Feature: now nginx supports ECDHE key exchange ciphers.
Thanks to Adrian Kotelba.
*) Feature: the "lingering_close" directive.
*) Feature: now shared zones and caches use POSIX semaphores on Solaris.
Thanks to Den Ivanov.
*) Bugfix: nginx could not be built on Linux 3.0.
*) Bugfix: a segmentation fault might occur in a worker process if
"fastcgi/scgi/uwsgi_param" directives were used with values starting
with "HTTP_"; the bug had appeared in 0.8.40.
*) Bugfix: in closing connection for pipelined requests.
*) Bugfix: nginx did not disable gzipping if client sent "gzip;q=0" in
"Accept-Encoding" request header line.
*) Bugfix: in timeout in unbuffered proxied mode.
*) Bugfix: memory leaks when a "proxy_pass" directive contains variables
and proxies to an HTTPS backend.
*) Bugfix: in parameter validaiton of a "proxy_pass" directive with
variables.
Thanks to Lanshun Zhou.
*) Bugfix: SSL did not work on QNX.
*) Bugfix: SSL modules could not be built by gcc 4.6 without
--with-debug option.
author | Igor Sysoev <http://sysoev.ru> |
---|---|
date | Fri, 29 Jul 2011 00:00:00 +0400 |
parents | 86dad910eeb6 |
children | ad25218fd14b |
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/* * Copyright (C) Igor Sysoev */ #include <ngx_config.h> #include <ngx_core.h> #include <ngx_event.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; }