1 files changed, 53 insertions, 0 deletions
diff --git a/cpukit/include/rtems/seterr.h b/cpukit/include/rtems/seterr.h
new file mode 100644
index 0000000000..22fddc824e
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+++ b/cpukit/include/rtems/seterr.h
@@ -0,0 +1,53 @@
+/**
+ *  @file  rtems/seterr.h
+ *
+ *  @brief Data which Ease the Burden of Consistently Setting Errno
+ *
+ *  This file contains macros and definitions which ease the burden
+ *  of consistently setting errno and returning -1.
+ */
+
+/*
+ *  COPYRIGHT (c) 1989-2006.
+ *  On-Line Applications Research Corporation (OAR).
+ *
+ *  The license and distribution terms for this file may be
+ *  found in the file LICENSE in this distribution or at
+ *  http://www.rtems.org/license/LICENSE.
+ */
+
+#ifndef _RTEMS_SETERR_H
+#define _RTEMS_SETERR_H
+
+/**
+ *  @defgroup ScoreSetErr Set Errno
+ *
+ *  @ingroup Score
+ *
+ */
+/**@{*/
+
+#include <errno.h>
+
+/**
+ *  This is a helper macro which will set the variable errno and return
+ *  the specified value to the caller.
+ *
+ *  @param[in] _error is the error code
+ *  @param[in] _value is the value to return
+ */
+#define rtems_set_errno_and_return_value( _error, _value ) \
+  do { errno = ( _error ); return ( _value ); } while ( 0 )
+
+/**
+ *  This is a helper macro which will set the variable errno and return
+ *  -1 to the caller.  This pattern is common to many POSIX methods.
+ *
+ *  @param[in] _error is the error code
+ */
+#define rtems_set_errno_and_return_minus_one( _error ) \
+  rtems_set_errno_and_return_value( _error, -1 )
+
+/**@}*/
+#endif
+/* end of include file */