From ac7d5ef06a6d6e8d84abbd1f0b82162725f98326 Mon Sep 17 00:00:00 2001
From: Joel Sherrill <joel.sherrill@OARcorp.com>
Date: Thu, 11 May 1995 17:39:37 +0000
Subject: Initial revision

---
 cpukit/rtems/macros/rtems/rtems/asr.inl | 89 +++++++++++++++++++++++++++++++++
 1 file changed, 89 insertions(+)
 create mode 100644 cpukit/rtems/macros/rtems/rtems/asr.inl

(limited to 'cpukit/rtems/macros/rtems/rtems/asr.inl')

diff --git a/cpukit/rtems/macros/rtems/rtems/asr.inl b/cpukit/rtems/macros/rtems/rtems/asr.inl
new file mode 100644
index 0000000000..421755879b
--- /dev/null
+++ b/cpukit/rtems/macros/rtems/rtems/asr.inl
@@ -0,0 +1,89 @@
+/*  macros/asr.h
+ *
+ *  This include file contains the implemenation of all routines
+ *  associated with the asynchronous signal handler which are inlined.
+ *
+ *  COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994.
+ *  On-Line Applications Research Corporation (OAR).
+ *  All rights assigned to U.S. Government, 1994.
+ *
+ *  This material may be reproduced by or for the U.S. Government pursuant
+ *  to the copyright license under the clause at DFARS 252.227-7013.  This
+ *  notice must appear in all copies of this file and its derivatives.
+ *
+ *  $Id$
+ */
+
+#ifndef __INLINE_ASR_h
+#define __INLINE_ASR_h
+
+#include <rtems/isr.h>
+
+/*PAGE
+ *
+ *  _ASR_Initialize
+ *
+ */
+
+#define _ASR_Initialize( _information ) \
+{ \
+  (_information)->handler         = NULL; \
+  (_information)->mode_set        = RTEMS_DEFAULT_MODES; \
+  (_information)->signals_posted  = 0; \
+  (_information)->signals_pending = 0; \
+  (_information)->nest_level      = 0; \
+}
+
+/*PAGE
+ *
+ *  _ASR_Swap_signals
+ *
+ */
+
+#define _ASR_Swap_signals( _information ) \
+{ \
+  rtems_signal_set _signals; \
+  ISR_Level              _level; \
+   \
+  _ISR_Disable( _level ); \
+    _signals                        = (_information)->signals_pending; \
+    (_information)->signals_pending = (_information)->signals_posted; \
+    (_information)->signals_posted  = _signals; \
+  _ISR_Enable( _level ); \
+}
+
+/*PAGE
+ *
+ *  _ASR_Is_null_handler
+ *
+ */
+
+#define _ASR_Is_null_handler( _asr_handler ) \
+  ( (_asr_handler) == NULL )
+
+/*PAGE
+ *
+ *  _ASR_Are_signals_pending
+ *
+ */
+
+#define _ASR_Are_signals_pending( _information ) \
+ ( (_information)->signals_posted != 0 )
+
+/*PAGE
+ *
+ *  _ASR_Post_signals
+ *
+ */
+
+#define _ASR_Post_signals( _signals, _signal_set ) \
+  do { \
+     ISR_Level _level; \
+     \
+     _ISR_Disable( _level ); \
+       *(_signal_set) |= (_signals); \
+     _ISR_Enable( _level ); \
+  } while ( 0 )
+
+#endif
+/* end of include file */
-- 
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