Mirrors_Framework/rt-thread
1
0
Fork 0
mirror of https://github.com/RT-Thread/rt-thread.git synced 2026-09-23 12:15:32 +08:00
Code Issues Actions 1 Packages Projects Releases Wiki Activity

开放spinlock相关函数

Browse Source
This commit is contained in:
shaojinchun
2019-09-27 14:38:33 +08:00
parent 676279421f
commit cb07e5fb24
7 changed files with 148 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/scheduler.c
+8 -3
View File
@@ -840,11 +840,14 @@ void rt_enter_critical(void)
*/
/* lock scheduler for all cpus */
if (current_thread->scheduler_lock_nest == !!current_thread->cpus_lock_nest)
if (current_thread->critical_lock_nest == 0)
{
rt_hw_spin_lock(&_rt_critical_lock);
}
/* critical for local cpu */
current_thread->critical_lock_nest ++;
/* lock scheduler for local cpu */
current_thread->scheduler_lock_nest ++;
@@ -892,7 +895,9 @@ void rt_exit_critical(void)
current_thread->scheduler_lock_nest --;
if (current_thread->scheduler_lock_nest == !!current_thread->cpus_lock_nest)
current_thread->critical_lock_nest --;
if (current_thread->critical_lock_nest == 0)
{
rt_hw_spin_unlock(&_rt_critical_lock);
}
@@ -951,7 +956,7 @@ rt_uint16_t rt_critical_level(void)
#ifdef RT_USING_SMP
struct rt_thread *current_thread = rt_cpu_self()->current_thread;
return current_thread->scheduler_lock_nest;
return current_thread->critical_lock_nest;
#else
return rt_scheduler_lock_nest;
#endif /*RT_USING_SMP*/