Module: xenomai-rpm
Branch: for-upstream
Commit: 466d810ac9b61b06eaa9cb28815d95f063084fb8
URL:
http://git.xenomai.org/?p=xenomai-rpm.git;a=commit;h=466d810ac9b61b06eaa9cb28815d95f063084fb8
Author: Philippe Gerum <r...@xenomai.org>
Date: Wed Mar 10 11:44:34 2010 +0100
testsuite/latency: fix false positive in mode switch detection
When ^C is depressed to stop the test, receiving SIGINT on the
sampling task must have caused a mode switch notification
earlier. This is a false positive wrt involuntary mode switch
reporting, ignore it.
Masking SIGINT for the sampling task would require an initial mode
switch we might not want to perform either.
---
src/testsuite/latency/latency.c | 15 +++++++++++++++
1 files changed, 15 insertions(+), 0 deletions(-)
diff --git a/src/testsuite/latency/latency.c b/src/testsuite/latency/latency.c
index 4df8e7f..08f9c19 100644
--- a/src/testsuite/latency/latency.c
+++ b/src/testsuite/latency/latency.c
@@ -437,6 +437,21 @@ void cleanup(void)
void sighand(int sig __attribute__ ((unused)))
{
+ RT_TASK *me;
+
+ if (sig == SIGINT) {
+ /*
+ * Receiving SIGINT on the sampling task must have
+ * caused a mode switch notification earlier. This is
+ * a false positive wrt involuntary mode switch
+ * reporting, ignore it.
+ */
+ me = rt_task_self();
+ if (me && rt_task_same(me, &latency_task) &&
+ sampling_relaxed > 0)
+ sampling_relaxed--;
+ }
+
finished = 1;
}
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