Mercurial > hg > nginx-vendor-0-6
view src/os/unix/ngx_recv.c @ 378:fc497c1dfb7c NGINX_0_6_33
nginx 0.6.33
*) Feature: now nginx returns the 405 status code for POST method
requesting a static file only if the file exists.
*) Workaround: compatibility with glibc 2.3.
Thanks to Eric Benson and Maxim Dounin.
*) Bugfix: the resolver did not understand big DNS responses.
Thanks to Zyb.
*) Bugfix: in HTTPS mode requests might fail with the "bad write retry"
error.
*) Bugfix: the ngx_http_charset_module did not understand quoted
charset name received from backend.
*) Bugfix: if the "max_fails=0" parameter was used in upstream with
several servers, then a worker process exited on a SIGFPE signal.
Thanks to Maxim Dounin.
*) Bugfix: the $r->header_in() method did not return value of the
"Host", "User-Agent", and "Connection" request header lines; the bug
had appeared in 0.6.32.
*) Bugfix: a full response was returned for request method HEAD while
redirection via an "error_page" directive.
*) Bugfix: if a directory has search only rights and the first index
file was absent, then nginx returned the 500 status code.
*) Bugfix: of recursive error_page for 500 status code.
author | Igor Sysoev <http://sysoev.ru> |
---|---|
date | Thu, 20 Nov 2008 00:00:00 +0300 |
parents | a39aab45a53f |
children |
line wrap: on
line source
/* * Copyright (C) Igor Sysoev */ #include <ngx_config.h> #include <ngx_core.h> #include <ngx_event.h> #if (NGX_HAVE_KQUEUE) ssize_t ngx_unix_recv(ngx_connection_t *c, u_char *buf, size_t size) { ssize_t n; ngx_err_t err; ngx_event_t *rev; rev = c->read; if (ngx_event_flags & NGX_USE_KQUEUE_EVENT) { ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0, "recv: eof:%d, avail:%d, err:%d", rev->pending_eof, rev->available, rev->kq_errno); if (rev->available == 0) { if (rev->pending_eof) { rev->ready = 0; rev->eof = 1; if (rev->kq_errno) { rev->error = 1; ngx_set_socket_errno(rev->kq_errno); return ngx_connection_error(c, rev->kq_errno, "kevent() reported about an closed connection"); } return 0; } else { rev->ready = 0; return NGX_AGAIN; } } } do { n = recv(c->fd, buf, size, 0); ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0, "recv: fd:%d %d of %d", c->fd, n, size); if (n >= 0) { if (ngx_event_flags & NGX_USE_KQUEUE_EVENT) { rev->available -= n; /* * rev->available may be negative here because some additional * bytes may be received between kevent() and recv() */ if (rev->available <= 0) { if (!rev->pending_eof) { rev->ready = 0; } if (rev->available < 0) { rev->available = 0; } } if (n == 0) { /* * on FreeBSD recv() may return 0 on closed socket * even if kqueue reported about available data */ rev->eof = 1; rev->available = 0; } return n; } if ((size_t) n < size) { rev->ready = 0; } if (n == 0) { rev->eof = 1; } return n; } err = ngx_socket_errno; if (err == NGX_EAGAIN || err == NGX_EINTR) { ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, err, "recv() not ready"); n = NGX_AGAIN; } else { n = ngx_connection_error(c, err, "recv() failed"); break; } } while (err == NGX_EINTR); rev->ready = 0; if (n == NGX_ERROR){ rev->error = 1; } return n; } #else /* ! NGX_HAVE_KQUEUE */ ssize_t ngx_unix_recv(ngx_connection_t *c, u_char *buf, size_t size) { ssize_t n; ngx_err_t err; ngx_event_t *rev; rev = c->read; do { n = recv(c->fd, buf, size, 0); ngx_log_debug3(NGX_LOG_DEBUG_EVENT, c->log, 0, "recv: fd:%d %d of %d", c->fd, n, size); if (n == 0) { rev->ready = 0; rev->eof = 1; return n; } else if (n > 0) { if ((size_t) n < size && !(ngx_event_flags & NGX_USE_GREEDY_EVENT)) { rev->ready = 0; } return n; } err = ngx_socket_errno; if (err == NGX_EAGAIN || err == NGX_EINTR) { ngx_log_debug0(NGX_LOG_DEBUG_EVENT, c->log, err, "recv() not ready"); n = NGX_AGAIN; } else { n = ngx_connection_error(c, err, "recv() failed"); break; } } while (err == NGX_EINTR); rev->ready = 0; if (n == NGX_ERROR){ rev->error = 1; } return n; } #endif /* NGX_HAVE_KQUEUE */