tServer task executes functions at low priority (254). serverSend

　　 funtion is used to send a request to the tServer to execute a

　　 function at the tServer s priority.



　　 First tServer task executes the i() system call to print the summary

　　 of tShell task. Next an address exception is caused in tServer

　　 task by trying to execute a funtion at non-aligned word boundry.

　　 As a result SIGBUS signal is raised automatically. Signals

　　 (setjmp() and longjmp()) are used to allow the tServer task to

　　 recover gracefully from an address error exception. For more

　　 information about signals, please refer to sigLib manual pages.-tServer task executes functions at low pri ority (254). serverSend funtion is used to send a request to the tServer to execute a function at the tServer's priority. First tServer task exec utes the i () system call to print the summary of t Shell task. Next an address exception is caused in tServer task by trying to execute at a funtion non-aligned word boundry. As a result SIGBUS si gnal is raised automatically. Signals (setjmp () and longjmp ()) are used to allow the tServer t ask to recover gracefully from an address error exception. For more information about signals , please refer to sigLib manual pages.