diff src/os/unix/ngx_files.c @ 642:1b80544421e8 NGINX_1_0_11

nginx 1.0.11 *) Change: now double quotes are encoded in an "echo" SSI-command output. Thanks to Zaur Abasmirzoev. *) Feature: the "image_filter_sharpen" directive. *) Bugfix: a segmentation fault might occur in a worker process if SNI was used; the bug had appeared in 1.0.9. *) Bugfix: SIGWINCH signal did not work after first binary upgrade; the bug had appeared in 1.0.9. *) Bugfix: the "If-Modified-Since", "If-Range", etc. client request header lines might be passed to backend while caching; or not passed without caching if caching was enabled in another part of the configuration. *) Bugfix: in the "scgi_param" directive, if complex parameters were used. *) Bugfix: "add_header" and "expires" directives did not work if a request was proxied and response status code was 206. *) Bugfix: in the "expires @time" directive. *) Bugfix: in the ngx_http_flv_module. Thanks to Piotr Sikora. *) Bugfix: in the ngx_http_mp4_module. *) Bugfix: nginx could not be built on FreeBSD 10. *) Bugfix: nginx could not be built on AIX.
author Igor Sysoev <http://sysoev.ru>
date Thu, 15 Dec 2011 00:00:00 +0400
parents bb20316269e4
children ad25218fd14b
line wrap: on
line diff
--- a/src/os/unix/ngx_files.c
+++ b/src/os/unix/ngx_files.c
@@ -153,7 +153,7 @@ ngx_write_chain_to_file(ngx_file_t *file
 {
     u_char        *prev;
     size_t         size;
-    ssize_t        n;
+    ssize_t        total, n;
     ngx_array_t    vec;
     struct iovec  *iov, iovs[NGX_IOVS];
 
@@ -165,6 +165,8 @@ ngx_write_chain_to_file(ngx_file_t *file
                               offset);
     }
 
+    total = 0;
+
     vec.elts = iovs;
     vec.size = sizeof(struct iovec);
     vec.nalloc = NGX_IOVS;
@@ -202,8 +204,15 @@ ngx_write_chain_to_file(ngx_file_t *file
 
         if (vec.nelts == 1) {
             iov = vec.elts;
-            return ngx_write_file(file, (u_char *) iov[0].iov_base,
-                                  iov[0].iov_len, offset);
+
+            n = ngx_write_file(file, (u_char *) iov[0].iov_base,
+                               iov[0].iov_len, offset);
+
+            if (n == NGX_ERROR) {
+                return n;
+            }
+
+            return total + n;
         }
 
         if (file->sys_offset != offset) {
@@ -233,10 +242,11 @@ ngx_write_chain_to_file(ngx_file_t *file
 
         file->sys_offset += n;
         file->offset += n;
+        total += n;
 
     } while (cl);
 
-    return n;
+    return total;
 }
 
 
@@ -454,7 +464,7 @@ ngx_unlock_fd(ngx_fd_t fd)
 }
 
 
-#if (NGX_HAVE_POSIX_FADVISE)
+#if (NGX_HAVE_POSIX_FADVISE) && !(NGX_HAVE_F_READAHEAD)
 
 ngx_int_t
 ngx_read_ahead(ngx_fd_t fd, size_t n)