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diff src/os/unix/ngx_linux_aio_read.c @ 3294:04cfc09b8b8d

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export aio presence knowledge to prevent using "aio sendfile", if aio does not present
author Igor Sysoev <igor@sysoev.ru>
date Thu, 05 Nov 2009 13:12:30 +0000
parents 6060225e9261
children cd04f652478c
line wrap: on
line diff
--- a/src/os/unix/ngx_linux_aio_read.c
+++ b/src/os/unix/ngx_linux_aio_read.c
@@ -27,13 +27,12 @@ ssize_t
 ngx_file_aio_read(ngx_file_t *file, u_char *buf, size_t size, off_t offset,
     ngx_pool_t *pool)
 {
-    long                n;
-    struct iocb        *piocb[1];
-    ngx_event_t        *ev;
-    ngx_event_aio_t    *aio;
-    static ngx_uint_t   enosys = 0;
+    long              n;
+    struct iocb      *piocb[1];
+    ngx_event_t      *ev;
+    ngx_event_aio_t  *aio;
 
-    if (enosys) {
+    if (!ngx_file_aio) {
         return ngx_read_file(file, buf, size, offset);
     }
 
@@ -109,7 +108,7 @@ ngx_file_aio_read(ngx_file_t *file, u_ch
                   "io_submit(\"%V\") failed", &file->name);
 
     if (n == NGX_ENOSYS) {
-        enosys = 1;
+        ngx_file_aio = 0;
         return ngx_read_file(file, buf, size, offset);
     }