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-rw-r--r--cpukit/rtems/src/signalsend.c92
1 files changed, 92 insertions, 0 deletions
diff --git a/cpukit/rtems/src/signalsend.c b/cpukit/rtems/src/signalsend.c
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index 0000000000..031a18979e
--- /dev/null
+++ b/cpukit/rtems/src/signalsend.c
@@ -0,0 +1,92 @@
+/*
+ * Signal Manager
+ *
+ *
+ * COPYRIGHT (c) 1989-2007.
+ * 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.com/license/LICENSE.
+ *
+ * $Id$
+ */
+
+#if HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#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_send
+ *
+ * This directive allows a thread to send signals to a thread.
+ *
+ * Input parameters:
+ * id - thread id
+ * signal_set - signal set
+ *
+ * Output parameters:
+ * RTEMS_SUCCESSFUL - if successful
+ * error code - if unsuccessful
+ */
+
+rtems_status_code rtems_signal_send(
+ rtems_id id,
+ rtems_signal_set signal_set
+)
+{
+ register Thread_Control *the_thread;
+ Objects_Locations location;
+ RTEMS_API_Control *api;
+ ASR_Information *asr;
+
+ if ( !signal_set )
+ return RTEMS_INVALID_NUMBER;
+
+ the_thread = _Thread_Get( id, &location );
+ switch ( location ) {
+
+ case OBJECTS_LOCAL:
+ api = the_thread->API_Extensions[ THREAD_API_RTEMS ];
+ asr = &api->Signal;
+
+ if ( ! _ASR_Is_null_handler( asr->handler ) ) {
+ if ( asr->is_enabled ) {
+ _ASR_Post_signals( signal_set, &asr->signals_posted );
+
+ if ( _ISR_Is_in_progress() && _Thread_Is_executing( the_thread ) )
+ _Thread_Dispatch_necessary = true;
+ } else {
+ _ASR_Post_signals( signal_set, &asr->signals_pending );
+ }
+ _Thread_Enable_dispatch();
+ return RTEMS_SUCCESSFUL;
+ }
+ _Thread_Enable_dispatch();
+ return RTEMS_NOT_DEFINED;
+
+#if defined(RTEMS_MULTIPROCESSING)
+ case OBJECTS_REMOTE:
+ return _Signal_MP_Send_request_packet(
+ SIGNAL_MP_SEND_REQUEST,
+ id,
+ signal_set
+ );
+#endif
+
+ case OBJECTS_ERROR:
+ break;
+ }
+
+ return RTEMS_INVALID_ID;
+}