If you don't mind buying a book for it, project 5 and its explaination in the book "Kernel Projects for Linux" has the details. Overall it is a pretty good book to start with. Amit Luís Henriques wrote: > On Thursday 18 October 2001 04:54 pm, Hong Hsu wrote: > > I'm interested in that too! First: after adding an entry to the unistd.h is > it necessary to recompile the kernel? And then? How applications can use the > new sys call? > > >>The Ori Pomerantz's LKM Programming Guide is great document, but little >>old. A couple of question for adding new system call I would like to >>ask: >> >>1. After adding an entry in include/asm-i386/unistd.h and #insmod >>my_newsyscall.o how the userland application can find the new system >>call, my_syscall(), rather than show linking error: undefined reference >>my_syscall(). Do I have to recompile the kernel? I am missing >>something here for procedure of adding system call. >> >>2. Is there a newer document which explains procedure of system call as >>I couldn't find it in FAQ. >> >>Thanks for the help, >>-Hong >> >> >>- >>Kernelnewbies: Help each other learn about the Linux kernel. >>Archive: http://mail.nl.linux.org/kernelnewbies/ >>IRC Channel: irc.openprojects.net / #kernelnewbies >>Web Page: http://www.kernelnewbies.org/ >> > - Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ IRC Channel: irc.openprojects.net / #kernelnewbies Web Page: http://www.kernelnewbies.org/
