1 files changed, 22 insertions, 0 deletions
diff --git a/StdLib/Include/Ipf/machine/signal.h b/StdLib/Include/Ipf/machine/signal.h
new file mode 100644
index 0000000000..bd9b92d046
--- /dev/null
+++ b/StdLib/Include/Ipf/machine/signal.h
@@ -0,0 +1,22 @@
+/**
+Copyright (c) 2010, Intel Corporation. All rights reserved.<BR>
+This program and the accompanying materials are licensed and made available under
+the terms and conditions of the BSD License that accompanies this distribution.
+The full text of the license may be found at
+http://opensource.org/licenses/bsd-license.php.
+
+THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+#ifndef _MACHINE_SIGNAL_H
+#define _MACHINE_SIGNAL_H
+#include <sys/EfiCdefs.h>
+
+/** The type sig_atomic_t is the (possibly volatile-qualified) integer type of
+    an object that can be accessed as an atomic entity, even in the presence
+    of asynchronous interrupts.
+**/
+typedef INTN sig_atomic_t;
+
+#endif    /* _MACHINE_SIGNAL_H */