1 files changed, 66 insertions, 0 deletions
diff --git a/c/src/exec/rtems/src/signalcatch.c b/c/src/exec/rtems/src/signalcatch.c
new file mode 100644
index 0000000000..ee2327187a
--- /dev/null
+++ b/c/src/exec/rtems/src/signalcatch.c
@@ -0,0 +1,66 @@
+/*
+ *  Signal Manager
+ *
+ *
+ *  COPYRIGHT (c) 1989-1998.
+ *  On-Line Applications Research Corporation (OAR).
+ *  Copyright assigned to U.S. Government, 1994.
+ *
+ *  The license and distribution terms for this file may be
+ *  found in the file LICENSE in this distribution or at
+ *  http://www.OARcorp.com/rtems/license.html.
+ *
+ *  $Id$
+ */
+
+#include <rtems/system.h>
+#include <rtems/rtems/status.h>
+#include <rtems/rtems/asr.h>
+#include <rtems/score/isr.h>
+#include <rtems/rtems/modes.h>
+#include <rtems/rtems/signal.h>
+#include <rtems/score/thread.h>
+#include <rtems/rtems/tasks.h>
+
+/*PAGE
+ *
+ *  rtems_signal_catch
+ *
+ *  This directive allows a thread to specify what action to take when
+ *  catching signals.
+ *
+ *  Input parameters:
+ *    handler  - address of asynchronous signal routine (asr)
+ *              ( NULL indicates asr is invalid )
+ *    mode_set - mode value for asr
+ *
+ *  Output parameters:
+ *    RTEMS_SUCCESSFUL - always succeeds
+ */
+
+rtems_status_code rtems_signal_catch(
+  rtems_asr_entry   asr_handler,
+  rtems_mode        mode_set
+)
+{
+  Thread_Control     *executing;
+  RTEMS_API_Control  *api;
+  ASR_Information    *asr;
+
+/* XXX normalize mode */
+  executing = _Thread_Executing;
+  api = executing->API_Extensions[ THREAD_API_RTEMS ];
+  asr = &api->Signal;
+
+  _Thread_Disable_dispatch(); /* cannot reschedule while */
+                              /*   the thread is inconsistent */
+
+  if ( !_ASR_Is_null_handler( asr_handler ) ) {
+    asr->mode_set = mode_set;
+    asr->handler = asr_handler;
+  }
+  else
+    _ASR_Initialize( asr );
+  _Thread_Enable_dispatch();
+  return RTEMS_SUCCESSFUL;
+}