[Kernel] Move the ++/-- operator outside of condition.
@@ -42,12 +42,16 @@ rt_base_t rt_cpus_lock(void)
pcpu = rt_cpu_self();
if (pcpu->current_thread != RT_NULL)
{
- if (pcpu->current_thread->cpus_lock_nest++ == 0)
+ register rt_uint16_t lock_nest = pcpu->current_thread->cpus_lock_nest;
+
+ pcpu->current_thread->cpus_lock_nest++;
+ if (lock_nest == 0)
{
pcpu->current_thread->scheduler_lock_nest++;
rt_hw_spin_lock(&_cpus_lock);
}
}
+
return level;
}
RTM_EXPORT(rt_cpus_lock);
@@ -61,7 +65,9 @@ void rt_cpus_unlock(rt_base_t level)
if (pcpu->current_thread != RT_NULL)
{
- if (--pcpu->current_thread->cpus_lock_nest == 0)
+ pcpu->current_thread->cpus_lock_nest--;
+
+ if (pcpu->current_thread->cpus_lock_nest == 0)
{
pcpu->current_thread->scheduler_lock_nest--;
rt_hw_spin_unlock(&_cpus_lock);
