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rt-thread
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update

This commit is contained in:
Meco Man 2021-01-04 22:34:50 +08:00
parent 234f1aec99
commit cd6ca24f88
1 changed files with 8 additions and 3 deletions
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11
src/ipc.c
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@ -1534,7 +1534,6 @@ rt_err_t rt_mb_send_wait(rt_mailbox_t mb,
if (mb->entry == mb->size && timeout == 0) if (mb->entry == mb->size && timeout == 0)
{ {
rt_hw_interrupt_enable(temp); rt_hw_interrupt_enable(temp);
return -RT_EFULL; return -RT_EFULL;
} }
@ -1678,8 +1677,14 @@ rt_err_t rt_mb_urgent(rt_mailbox_t mb, rt_ubase_t value)
/* disable interrupt */ /* disable interrupt */
temp = rt_hw_interrupt_disable(); temp = rt_hw_interrupt_disable();
if (mb->entry == mb->size)
{
rt_hw_interrupt_enable(temp);
return -RT_EFULL;
}
/* rewind to the previous position */ /* rewind to the previous position */
if(mb->out_offset > 0) if (mb->out_offset > 0)
{ {
mb->out_offset --; mb->out_offset --;
} }
@ -1691,7 +1696,7 @@ rt_err_t rt_mb_urgent(rt_mailbox_t mb, rt_ubase_t value)
/* set ptr */ /* set ptr */
mb->msg_pool[mb->out_offset] = value; mb->msg_pool[mb->out_offset] = value;
if(mb->entry < RT_MB_ENTRY_MAX) if (mb->entry < RT_MB_ENTRY_MAX)
{ {
/* increase message entry */ /* increase message entry */
mb->entry ++; mb->entry ++;