1 files changed, 37 insertions, 0 deletions
diff --git a/StdLib/Include/sys/signal.h b/StdLib/Include/sys/signal.h
new file mode 100644
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+++ b/StdLib/Include/sys/signal.h
@@ -0,0 +1,37 @@
+/**
+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 _SYS_SIGNAL_H
+#define _SYS_SIGNAL_H
+#include  <sys/EfiCdefs.h>
+#include  <machine/signal.h>
+
+/** The type of a signal handler function. **/
+typedef void __sighandler_t(int);
+
+/** The signal function associates a "signal handler" with a signal number.
+
+    For historical reasons; programs expect signal to be declared
+    in <sys/signal.h>.
+
+    @param[in]  sig       Signal number that function is to be associated with.
+    @param[in]  function  The "handler" function to be associated with signal sig.
+
+    @return     If the request can be honored, the signal function returns the
+                value of func for the most recent successful call to signal for
+                the specified signal sig. Otherwise, a value of SIG_ERR is
+                returned and a positive value is stored in errno.
+ */
+__BEGIN_DECLS
+__sighandler_t  *signal(int sig, __sighandler_t *func);
+__END_DECLS
+
+#endif    /* _SYS_SIGNAL_H */