rtems: Add system events

System events are similar to normal events.  They offer a second set of
events.  These events are intended for internal RTEMS use and should not
be used by applications (with the exception of the transient system
event).

1 files changed, 128 insertions, 0 deletions

diff --git a/testsuites/sptests/speventtransient01/init.c b/testsuites/sptests/speventtransient01/init.c
new file mode 100644
index 0000000000..b885ba6032
--- /dev/null
+++ b/testsuites/sptests/speventtransient01/init.c
@@ -0,0 +1,128 @@
+/*
+ * Copyright (c) 2012 embedded brains GmbH.  All rights reserved.
+ *
+ *  embedded brains GmbH
+ *  Obere Lagerstr. 30
+ *  82178 Puchheim
+ *  Germany
+ *  <rtems@embedded-brains.de>
+ *
+ * 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.
+ */
+
+#ifdef HAVE_CONFIG_H
+  #include "config.h"
+#endif
+
+#include <rtems.h>
+
+#include "tmacros.h"
+
+typedef struct {
+  rtems_id client;
+  bool complete;
+} request;
+
+static void server_task(rtems_task_argument arg)
+{
+  rtems_status_code sc;
+  request *req = (request *) arg;
+
+  req->complete = true;
+
+  sc = rtems_event_transient_send(req->client);
+  rtems_test_assert(sc == RTEMS_SUCCESSFUL);
+
+  sc = rtems_task_delete(RTEMS_SELF);
+  rtems_test_assert(sc == RTEMS_SUCCESSFUL);
+}
+
+static void test_with_request_server(void)
+{
+  rtems_status_code sc;
+  rtems_id id;
+  request req;
+
+  sc = rtems_event_transient_receive(RTEMS_NO_WAIT, 0);
+  rtems_test_assert(sc == RTEMS_UNSATISFIED);
+
+  req.client = rtems_task_self();
+  req.complete = false;
+
+  sc = rtems_task_create(
+    rtems_build_name('S', 'E', 'R', 'V'),
+    1,
+    RTEMS_MINIMUM_STACK_SIZE,
+    RTEMS_DEFAULT_MODES,
+    RTEMS_DEFAULT_ATTRIBUTES,
+    &id
+  );
+  rtems_test_assert(sc == RTEMS_SUCCESSFUL);
+
+  sc = rtems_task_start(id, server_task, (rtems_task_argument) &req);
+  rtems_test_assert(sc == RTEMS_SUCCESSFUL);
+
+  sc = rtems_event_transient_receive(RTEMS_WAIT, RTEMS_NO_TIMEOUT);
+  rtems_test_assert(sc == RTEMS_SUCCESSFUL);
+
+  rtems_test_assert(req.complete);
+}
+
+static void test_with_request_self(void)
+{
+  rtems_status_code sc;
+
+  sc = rtems_event_transient_receive(RTEMS_NO_WAIT, 0);
+  rtems_test_assert(sc == RTEMS_UNSATISFIED);
+
+  sc = rtems_event_transient_send(rtems_task_self());
+  rtems_test_assert(sc == RTEMS_SUCCESSFUL);
+
+  sc = rtems_event_transient_receive(RTEMS_NO_WAIT, 0);
+  rtems_test_assert(sc == RTEMS_SUCCESSFUL);
+
+  rtems_event_transient_clear();
+
+  sc = rtems_event_transient_receive(RTEMS_NO_WAIT, 0);
+  rtems_test_assert(sc == RTEMS_UNSATISFIED);
+}
+
+static void test_with_timeout(void)
+{
+  rtems_status_code sc;
+
+  sc = rtems_event_transient_receive(RTEMS_NO_WAIT, 0);
+  rtems_test_assert(sc == RTEMS_UNSATISFIED);
+
+  sc = rtems_event_transient_receive(RTEMS_WAIT, 1);
+  rtems_test_assert(sc == RTEMS_TIMEOUT);
+
+  sc = rtems_event_transient_receive(RTEMS_NO_WAIT, 0);
+  rtems_test_assert(sc == RTEMS_UNSATISFIED);
+}
+
+static void Init(rtems_task_argument arg)
+{
+  puts("\n\n*** TEST SPEVENTTRANSIENT 1 ***");
+
+  test_with_request_server();
+  test_with_request_self();
+  test_with_timeout();
+
+  puts("*** END OF TEST SPEVENTTRANSIENT 1 ***");
+
+  rtems_test_exit(0);
+}
+
+#define CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER
+#define CONFIGURE_APPLICATION_NEEDS_CONSOLE_DRIVER
+
+#define CONFIGURE_MAXIMUM_TASKS 2
+
+#define CONFIGURE_RTEMS_INIT_TASKS_TABLE
+
+#define CONFIGURE_INIT
+
+#include <rtems/confdefs.h>