Module: xenomai-forge
Branch: next
Commit: 5d33410941ce7cdfdc88decd706f5c73d704d2d2
URL:
http://git.xenomai.org/?p=xenomai-forge.git;a=commit;h=5d33410941ce7cdfdc88decd706f5c73d704d2d2
Author: Philippe Gerum <r...@xenomai.org>
Date: Tue May 6 15:18:44 2014 +0200
cobalt/shadow: add internal documentation
---
kernel/cobalt/shadow.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/kernel/cobalt/shadow.c b/kernel/cobalt/shadow.c
index d128209..58a3820 100644
--- a/kernel/cobalt/shadow.c
+++ b/kernel/cobalt/shadow.c
@@ -2324,6 +2324,11 @@ static int handle_sigwake_event(struct task_struct *p)
xnlock_get_irqsave(&nklock, s);
+ /*
+ * CAUTION: __TASK_TRACED is not set in p->state yet. This
+ * state bit will be set right after we return, when the task
+ * is woken up.
+ */
if ((p->ptrace & PT_PTRACED) && !xnthread_test_state(thread, XNDEBUG)) {
/* We already own the siglock. */
sigorsets(&pending,
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