In case the user thinks rtdm_lock_get could be used like spin_lock or
messes up the IRQ protection for other reasons, catch this with a
XENO_BUGON.
Signed-off-by: Jan Kiszka <jan.kis...@siemens.com>
---
include/rtdm/rtdm_driver.h | 8 ++++++++
1 files changed, 8 insertions(+), 0 deletions(-)
diff --git a/include/rtdm/rtdm_driver.h b/include/rtdm/rtdm_driver.h
index 058a9f8..fe42eea 100644
--- a/include/rtdm/rtdm_driver.h
+++ b/include/rtdm/rtdm_driver.h
@@ -655,7 +655,15 @@ typedef unsigned long rtdm_lockctx_t;
*
* Rescheduling: never.
*/
+#ifdef DOXYGEN_CPP /* Beautify doxygen output */
#define rtdm_lock_get(lock) rthal_spin_lock(lock)
+#else /* This is how it really works */
+#define rtdm_lock_get(lock) \
+ do { \
+ XENO_BUGON(RTDM, rthal_local_irq_test()); \
+ rthal_spin_lock(lock); \
+ } while (0)
+#endif
/**
* Release lock without preemption restoration
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