Add "#ifdef ... #define ... #endif" check for the header file.

[mirror_edk2.git] / PcAtChipsetPkg / Include / Library / IoApicLib.h

diff --git a/PcAtChipsetPkg/Include/Library/IoApicLib.h b/PcAtChipsetPkg/Include/Library/IoApicLib.h
index bd9054be53b2186783183a3fdf7bf73ac8649d95..c3eb0ce4b3960ca4238b93b22fdf00583f73760e 100644 (file)
--- a/PcAtChipsetPkg/Include/Library/IoApicLib.h
+++ b/PcAtChipsetPkg/Include/Library/IoApicLib.h
@@ -14,6 +14,8 @@
   WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
 \r
 **/\r
+#ifndef __IO_APIC_LIB_H__\r
+#define __IO_APIC_LIB_H__\r
 \r
 /**\r
   Read a 32-bit I/O APIC register.\r
@@ -100,3 +102,4 @@ IoApicConfigureInterrupt (
   IN BOOLEAN  LevelTriggered,\r
   IN BOOLEAN  AssertionLevel\r
   );\r
+#endif\r