1 files changed, 30 insertions, 0 deletions
diff --git a/winsup/cygwin/include/cygwin/callout.h b/winsup/cygwin/include/cygwin/callout.h
new file mode 100644
index 000000000..4f5067548
--- /dev/null
+++ b/winsup/cygwin/include/cygwin/callout.h
@@ -0,0 +1,30 @@
+/* callout.h -- Definitions used by Cygwin callout mechanism
+
+   Copyright 2013 Red Hat, Inc.
+
+This file is part of Cygwin.
+
+This software is a copyrighted work licensed under the terms of the
+Cygwin license.  Please consult the file "CYGWIN_LICENSE" for
+details. */
+
+#pragma once
+
+extern "C" {
+enum cw_callout_t
+{
+  CO_ENV,
+  CO_SPAWN,
+  CO_SYMLINK,
+  CO_UNAME
+};
+
+enum cw_callout_return_t
+{
+  CO_R_ERROR,
+  CO_R_KEEP_GOING,
+  CO_R_SHORT_CIRCUIT
+};
+
+typedef cw_callout_return_t (*cw_callout_function_t) (cw_callout_t, ...);
+};