From 385af286421e983f744f7f5d339b8060ccd36302 Mon Sep 17 00:00:00 2001
From: Igor Sysoev <igor@sysoev.ru>
Date: Wed, 30 Jul 2008 12:34:04 +0000
Subject: directio

---
 src/os/unix/ngx_files.c | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

(limited to 'src/os/unix/ngx_files.c')

diff --git a/src/os/unix/ngx_files.c b/src/os/unix/ngx_files.c
index 7ee8cbd84..e2148d843 100644
--- a/src/os/unix/ngx_files.c
+++ b/src/os/unix/ngx_files.c
@@ -351,3 +351,22 @@ ngx_unlock_fd(ngx_fd_t fd)
 
     return 0;
 }
+
+
+#if (NGX_HAVE_O_DIRECT)
+
+ngx_int_t
+ngx_directio(ngx_fd_t fd)
+{
+    int  flags;
+
+    flags = fcntl(fd, F_GETFL);
+
+    if (flags == -1) {
+        return -1;
+    }
+
+    return fcntl(fd, F_SETFL, flags | O_DIRECT);
+}
+
+#endif
-- 
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