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Two questions about RTX-51

Hello,

I have 2 questions about RTX-51:

1. If a running task which waits for a signal event to start running is preempted by a higher prioritized task and signalled again within this newly running task, how will the task behave? Will it be re-signalled or not? Is there a mechanism to store all signal events sent to a specific task or should mailboxes be used instead?

2. If a running task enters into a critical section and disables processor's global interrupts temporarily for a short period of time, will the interrupts and the operating system events which happened during this period be pended or saved to run after re-enabling global interrupts?

Thanks...