PPT-Syscalls , exceptions, and interrupts, …oh my!

Syscalls exceptions and interrupts oh my Hakim Weatherspoon CS 3410 Computer Science Cornell University Altinbuken Weatherspoon Bala Bracy McKee and Sirer Announcements P4Buffer Overflow is due tomorrow. of the lecture. :. Chandana. :. 1. . Introduction. 2. Example . 3. Definition . 4. Vector table and . Maskable. /. nonmaskable. interrupts . ________________________________________________. Hao. :. and other languages… . So what about Ruby?*. Exceptions are . raised. using the . raise. method of Kernel. The . rescue. . clause is used to handle exceptions. Exceptions are instances of the . Exception. Anurag Dwivedi. Let Us Revise. Micro-Controllers. A small . computer integrated . in . a single IC. Has I/O pins, . RAM and Memory. We Use . Atmega. 16. Software Used. CvAvr. : Editor and Compiler. lexical representations: . a . variationist. perspective . Gregory R. Guy. phonoLAM. group. July 2013. The problem of lexical scope. Some phonological generalizations are valid . only for . a subset of the lexicon . Interrupt Handling. David Ferry, Chris Gill. CSE 522S - Advanced Operating Systems. Washington University in St. Louis. St. Louis, MO 63130. 1. Why Interrupts?. Interrupts allow a currently executing process to be preempted. Fall 2009. Kipp Schoenwald. Stephen . Hunte. Joseph Storey. Outline. Interrupts . Vectors and Vector Table. Flow Chart. Applications. Example 1. Example 2. Thermistors. Theory. Applications. Opto-isolators. Tivoo. Group. Today. You will build your own exception handling code. You will know about some of the finer details of Java exceptions – general vs. specific exception types, finally clauses, . RuntimeExceptions. (Three unrelated concepts). Why use generics?. When you write a collection (something to store data, such as a linked list, . arraylist. , table, . etc. ), you want it to be usable with all kinds of data. You want it to be usable to store Strings, or usable to store integers.. CS1: Java Programming. Colorado State University. Original slides by Daniel Liang. Modified slides by Chris Wilcox. 2. Motivations. When a program runs into a runtime error, the program terminates abnormally. How can you handle the runtime error so that the program can continue to run or terminate gracefully? This is the subject we will introduce in this chapter.. Arvind. Computer Science & Artificial Intelligence Lab.. Massachusetts Institute of Technology. April 30, 2012. L21-. 1. http://csg.csail.mit.edu/6.S078. Interrupts. :. altering the normal flow of control. Dept. Of Electrical Engineering. IIT Goa. The 8051 . Microcontroller . and Embedded . Systems: . Using . Assembly . and. . C. Mazidi. , Mazidi . and. . McKinlay. Prof. Bidyadhar Subudhi. INTERRUPTS PROGRAMMING. Academic ResourceCenterOverviewExceptions definition and overviewTry/Catch BlocksFinally BlocksOverall ExampleChecked and Unchecked ExceptionsSummaryWhat is an exceptionIn its most general sense an ex x0000x0000StroustrupC exceptions and alternativesP1947x0000x00002 x/MCIxD 0 x/MCIxD 0 HistoryThe origins of exception handling lie in the problems experienced managing a variety of errorhandling appr disable interrupts // Must finish put on queue of threads waiting for lock set guard to 0 call switch enable interrupts else value BUSY guard 0 LockRelease Why disable interrupts N