Real-Time Programming Languages - Operating Systems
Real-Time Programming Languages - Operating Systems
Real-Time Programming Languages - Operating Systems
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Priority Ceiling<br />
01<br />
02<br />
Pragma Locking_Policy(Ceiling_Locking);<br />
Protected object is pragma priority(...) ... ;<br />
Burns,<br />
Wellings<br />
Ch. 13.3<br />
Page 325<br />
Implements the “immediate ceiling protocol”<br />
●<br />
●<br />
The object ceiling priority must be maximum priority of<br />
any calling task<br />
the task executing a protected operation executes at<br />
the ceiling priority of the protected object<br />
WS 2013/14 <strong>Real</strong>-<strong>Time</strong> <strong>Systems</strong>, <strong>Real</strong>-<strong>Time</strong> Prog. <strong>Languages</strong> / Hermann Härtig 34