diff options
| -rw-r--r-- | include/rtthread.h | 1 | ||||
| -rw-r--r-- | src/scheduler.c | 10 |
2 files changed, 11 insertions, 0 deletions
diff --git a/include/rtthread.h b/include/rtthread.h index b68a301a5c..0891ed9bcc 100644 --- a/include/rtthread.h +++ b/include/rtthread.h @@ -173,6 +173,7 @@ void rt_schedule_remove_thread(struct rt_thread *thread); void rt_enter_critical(void); void rt_exit_critical(void); +rt_uint16_t rt_critical_level(void); #ifdef RT_USING_HOOK void rt_scheduler_sethook(void (*hook)(rt_thread_t from, rt_thread_t to)); diff --git a/src/scheduler.c b/src/scheduler.c index cefc5b8c41..a0384e899a 100644 --- a/src/scheduler.c +++ b/src/scheduler.c @@ -34,6 +34,7 @@ * issue found by kuronca * 2010-12-13 Bernard add defunct list initialization even if not use heap. * 2011-05-10 Bernard clean scheduler debug log. + * 2013-12-21 Grissiom add rt_critical_level */ #include <rtthread.h> @@ -398,5 +399,14 @@ void rt_exit_critical(void) } } +/** + * Get the scheduler lock level + * + * @return the level of the scheduler lock. 0 means unlocked. + */ +rt_uint16_t rt_critical_level(void) +{ + return rt_scheduler_lock_nest; +} /*@}*/ |