Patch by Ian Charnas from issue 3517.

Add F_FULLFSYNC if it exists (OS X only so far).

diff --git a/Modules/fcntlmodule.c b/Modules/fcntlmodule.c
index 0c85f477e9140f3701ae03242fcc3e65ff0c9ead..ab7f22d37fe2ca72a8e72eece4c2090236b3ec4c 100644 (file)
--- a/Modules/fcntlmodule.c
+++ b/Modules/fcntlmodule.c
@@ -530,6 +530,11 @@ all_ins(PyObject* d)
         if (ins(d, "F_SHLCK", (long)F_SHLCK)) return -1;
 #endif
 
+/* OS X (and maybe others) let you tell the storage device to flush to physical media */
+#ifdef F_FULLFSYNC
+        if (ins(d, "F_FULLFSYNC", (long)F_FULLFSYNC)) return -1;
+#endif
+
 /* For F_{GET|SET}FL */
 #ifdef FD_CLOEXEC
         if (ins(d, "FD_CLOEXEC", (long)FD_CLOEXEC)) return -1;