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[Kernel] Fix the signal issue when the context switch is triggered but not immediately handled.

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This commit is contained in:
Bernard Xiong
2019-11-12 21:23:56 +08:00
parent e8a864c7c8
commit 6fca4a7722
1 changed files with 11 additions and 6 deletions
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17
src/scheduler.c
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@@ -379,7 +379,12 @@ void rt_schedule(void)
}
}
/* enable interrupt */
rt_hw_interrupt_enable(level);
#ifdef RT_USING_SIGNALS
/* check stat of thread for signal */
level = rt_hw_interrupt_disable();
if (current_thread->stat & RT_THREAD_STAT_SIGNAL_PENDING)
{
extern void rt_thread_handle_sig(rt_bool_t clean_state);
@@ -395,9 +400,6 @@ void rt_schedule(void)
{
rt_hw_interrupt_enable(level);
}
#else
/* enable interrupt */
rt_hw_interrupt_enable(level);
#endif
__exit:
@@ -477,7 +479,13 @@ void rt_schedule(void)
rt_hw_context_switch((rt_ubase_t)&from_thread->sp,
(rt_ubase_t)&to_thread->sp);
/* enable interrupt */
rt_hw_interrupt_enable(level);
#ifdef RT_USING_SIGNALS
/* check stat of thread for signal */
level = rt_hw_interrupt_disable();
if (rt_current_thread->stat & RT_THREAD_STAT_SIGNAL_PENDING)
{
extern void rt_thread_handle_sig(rt_bool_t clean_state);
@@ -493,9 +501,6 @@ void rt_schedule(void)
{
rt_hw_interrupt_enable(level);
}
#else
/* enable interrupt */
rt_hw_interrupt_enable(level);
#endif
goto __exit;
}