Le 11-04-2006, Manjunath Naik <peter.desouzain@xxxxxxxxx> a écrit : > Content-Type: text/plain; charset=ISO-8859-1 > Content-Transfer-Encoding: quoted-printable > Content-Disposition: inline > > Hi all, > > I am new to Linux internals. > > I have some query regarding resource synchronization between the interrupt > handler and the current process who is using the resource. > > > I have typical scenario in which the both current running process and the > interrupt handler shared the some buffer. when the current running process > is running in kernel mode and accessing the buffer. during that time the > interrupt has arrived. How the operating system(linux) is going to handle > this scenario? > > Thanks > Manjunath This is a well know and frequent problem in computer science : it's called concurrency. Have a look at the link : http://lwn.net/images/pdf/LDD3/ch05.pdf It explains briefly the concurrency problem and the solution linux implements to resolve this problem. -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/
