1 files changed, 46 insertions, 0 deletions
diff --git a/otherlibs/win32unix/close_on.c b/otherlibs/win32unix/close_on.c
new file mode 100644
index 000000000..70bb9d0e2
--- /dev/null
+++ b/otherlibs/win32unix/close_on.c
@@ -0,0 +1,46 @@
+/***********************************************************************/
+/*                                                                     */
+/*                           Objective Caml                            */
+/*                                                                     */
+/*  Xavier Leroy and Pascal Cuoq, projet Cristal, INRIA Rocquencourt   */
+/*                                                                     */
+/*  Copyright 1996 Institut National de Recherche en Informatique et   */
+/*  Automatique.  Distributed only by permission.                      */
+/*                                                                     */
+/***********************************************************************/
+
+/* $Id$ */
+
+#include <mlvalues.h>
+#include <windows.h>
+#include "unixsupport.h"
+
+/* This works only under Windows NT, but not 95 */
+
+value win_set_close_on_exec(fd)             /* ML */
+     value fd;
+{
+  HANDLE h;
+
+  h = (HANDLE) _get_osfhandle(Int_val(fd)) ;
+  if (h == (HANDLE) -1 ||
+      ! SetHandleInformation(h, HANDLE_FLAG_INHERIT, 0)) {
+    _dosmaperr(GetLastError());
+    uerror("set_close_on_exec", Nothing);
+  };
+  return Val_unit;
+}
+
+value win_clear_close_on_exec(fd)             /* ML */
+     value fd;
+{
+  HANDLE h;
+  h = (HANDLE) _get_osfhandle(Int_val(fd)) ;
+  if (h == (HANDLE) -1 ||
+      ! SetHandleInformation(h, HANDLE_FLAG_INHERIT, HANDLE_FLAG_INHERIT)) {
+    _dosmaperr(GetLastError());
+    uerror("set_close_on_exec", Nothing);
+  };
+  return Val_unit;
+}
+