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Event Control Block (Cont’d)<br />
• Event Control Block <strong>Structure</strong><br />
typedef struct {<br />
INT8U <strong>OS</strong>EventType; /* Event type */<br />
INT8U <strong>OS</strong>EventGrp; /* Group for wait list */<br />
INT16U <strong>OS</strong>EventCnt; /* Count (when event is a semaphore) */<br />
void *<strong>OS</strong>EventPtr; /* Ptr to message or queue structure */<br />
INT8U <strong>OS</strong>EventTbl[<strong>OS</strong>_EVENT_TBL_SIZE]; /* Wait list for event to occur */<br />
} <strong>OS</strong>_EVENT;<br />
Embedded System Lab. <strong>II</strong> 63