Module: xenomai-head
Branch: master
Commit: 2e89711f81333c44bd61739dac68c7079aab883e
URL:
http://git.xenomai.org/?p=xenomai-head.git;a=commit;h=2e89711f81333c44bd61739dac68c7079aab883e
Author: Philippe Gerum <r...@xenomai.org>
Date: Thu Oct 27 16:16:20 2011 +0200
nucleus: propagate changes to user-visible thread state
---
ksrc/nucleus/shadow.c | 11 ++++++++++-
1 files changed, 10 insertions(+), 1 deletions(-)
diff --git a/ksrc/nucleus/shadow.c b/ksrc/nucleus/shadow.c
index 85960b8..6268e1a 100644
--- a/ksrc/nucleus/shadow.c
+++ b/ksrc/nucleus/shadow.c
@@ -2371,6 +2371,10 @@ static inline int do_hisyscall_event(unsigned event,
unsigned domid, void *data)
ret_handled:
+ /* Update the userland-visible state. */
+ if (thread)
+ *thread->u_mode = thread->state;
+
trace_mark(xn_nucleus, syscall_histage_exit,
"ret %ld", __xn_reg_rval(regs));
return RTHAL_EVENT_STOP;
@@ -2398,7 +2402,7 @@ static inline int do_hisyscall_event(unsigned event,
unsigned domid, void *data)
* nucleus and a Xenomai replacement has been
* substituted for it.
*/
- return RTHAL_EVENT_STOP;
+ goto ret_handled;
/*
* This syscall has not been substituted, let Linux handle
@@ -2533,6 +2537,11 @@ static inline int do_losyscall_event(unsigned event,
unsigned domid, void *data)
xnshadow_relax(0, 0);
ret_handled:
+
+ /* Update the userland-visible state. */
+ if (thread)
+ *thread->u_mode = thread->state;
+
trace_mark(xn_nucleus, syscall_lostage_exit,
"ret %ld", __xn_reg_rval(regs));
return RTHAL_EVENT_STOP;
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