In short, a function with "__" is a kind of raw function, isnt it? Thank you for your description. With this, I'd come to learn the kernel more easily. Thanks, Shinpei Kato. On Mon, 03 Nov 2003 11:53:22 -0500 Robert Love <rml@tech9.net> wrote: > > On Mon, 2003-11-03 at 08:17, Shinpei Kato wrote: > > > How about types or variables and functions beggining with one "_" > > as _exit()? > > Underscores tend to denote internal functions, or ones with a > corresponding functions that are of a "higher level". > > There is not any official difference between one and two underscore > proceeded functions, but I guess two underscore functions would tend to > be "more internal" than one underscore functions. > > For example, consider foo() and __foo(). foo() might obtain requisite > locks and then call __foo(). The standard interface would be foo(), but > you could call __foo() if you knew you already held the locks or > whatever. > > In the case of the _exit_*() functions, those are internal helper > functions called by do_exit(). > > Robert Love > > > -- > Kernelnewbies: Help each other learn about the Linux kernel. > Archive: http://mail.nl.linux.org/kernelnewbies/ > FAQ: http://kernelnewbies.org/faq/ > -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/
