Constant includes information whether synchronization by auto-reset event object is available or not for mailbox objects. When this constant is set to 1, feature is available and not available when it is set to 0. By default it is set to 1. In case, where the OS_MBOX_PEEK_FUNC is set to 0, OS_MBOX_PROTECT_EVENT must also be set to 0. When this feature is not used, it may be disabled to reduce the output code. For more information please refer to mailbox objects section.

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