Thank you Andrew. It worked.
Pav.
--- Andrew Burgess <[email protected]> wrote:
> >When i run a multi-threaded program from gdb, gdb
> >shows "New Thread XXXXXXXX (LWP LLLL)" for each new
> >thread created by the application.
>
> >However, when I run ps -aelfm, the output shows
> each
> >thread of this application but with a different
> PID.
>
> >And, getpid () in each thread inside the
> application
> >always retreives the same PID.
>
> >What is the relation between LWP is given by GDB,
> PID
> >shown by ps call and the PID returned by getpid ().
>
> >Is there any system call to obtain one from the
> >other??
>
> see gettid(2)
>
> you need to include the macro call
> _syscall0(pid_t,gettid)
> in your program as gettid isn't in glibc
>
>
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