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[Kernel] Add signal implementation.

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1. Add signal implementation;
2. Change the 'rt_uint8_t' of cmd to 'int';
This commit is contained in:
bernard
2017-10-15 22:31:53 +08:00
parent cd215b2545
commit b27c7e4826
11 changed files with 479 additions and 34 deletions
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src/scheduler.c
+17 -4
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@@ -42,7 +42,6 @@
static rt_int16_t rt_scheduler_lock_nest;
extern volatile rt_uint8_t rt_interrupt_nest;
extern rt_ubase_t __rt_ffs(rt_ubase_t value);
rt_list_t rt_thread_priority_table[RT_THREAD_PRIORITY_MAX];
struct rt_thread *rt_current_thread;
@@ -241,8 +240,18 @@ void rt_schedule(void)
if (rt_interrupt_nest == 0)
{
extern void rt_thread_handle_sig(rt_bool_t clean_state);
rt_hw_context_switch((rt_uint32_t)&from_thread->sp,
(rt_uint32_t)&to_thread->sp);
/* enable interrupt */
rt_hw_interrupt_enable(level);
#ifdef RT_USING_SIGNALS
/* check signal status */
rt_thread_handle_sig(RT_TRUE);
#endif
}
else
{
@@ -250,12 +259,16 @@ void rt_schedule(void)
rt_hw_context_switch_interrupt((rt_uint32_t)&from_thread->sp,
(rt_uint32_t)&to_thread->sp);
/* enable interrupt */
rt_hw_interrupt_enable(level);
}
}
else
{
/* enable interrupt */
rt_hw_interrupt_enable(level);
}
}
/* enable interrupt */
rt_hw_interrupt_enable(level);
}
/*