> I have done as you said. start httpd within gdb. > but it seemed that it is not useful. i can not still step into my function. > > Hmm, have you compiled your module with debug info ? Are you sure httpd loads your module ? I use gdb 6.7.1 on linux and it nicely delays setting breakpoints in not-yet-existing code until particuar shared library is loaded (i.e. when setting such breakpoint, it stores it as "unresolved" and resolves it while loading the library).
J.K.
