1 files changed, 47 insertions, 0 deletions
diff --git a/winsup/cygwin/cygwait.h b/winsup/cygwin/cygwait.h
new file mode 100644
index 000000000..c2b7f5801
--- /dev/null
+++ b/winsup/cygwin/cygwait.h
@@ -0,0 +1,47 @@
+/* cygwait.h
+
+   Copyright 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
+   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
+
+enum cw_wait_mask
+{
+  cw_cancel =		0x0001,
+  cw_cancel_self =	0x0002,
+  cw_sig =		0x0004,
+  cw_sig_eintr =	0x0008
+};
+
+const unsigned cw_std_mask = cw_cancel | cw_cancel_self | cw_sig;
+
+DWORD cancelable_wait (HANDLE, PLARGE_INTEGER timeout = NULL,
+		       unsigned = cw_std_mask)
+  __attribute__ ((regparm (3)));
+
+static inline DWORD __attribute__ ((always_inline))
+cygwait (HANDLE h, DWORD howlong = INFINITE)
+{
+  PLARGE_INTEGER pli_howlong;
+  LARGE_INTEGER li_howlong;
+  if (howlong == INFINITE)
+    pli_howlong = NULL;
+  else
+    {
+      li_howlong.QuadPart = 10000ULL * howlong;
+      pli_howlong = &li_howlong;
+    }
+  return cancelable_wait (h, pli_howlong, cw_cancel | cw_sig_eintr);
+}
+
+static inline DWORD __attribute__ ((always_inline))
+cygwait (DWORD howlong)
+{
+  return cygwait ((HANDLE) NULL, howlong);
+}