gettid

[Jonny Grant <jg@xxxxxxxx>]

Hello mtk

SYNOPSIS         top
   #define _GNU_SOURCE
   #include <unistd.h>
   #include <sys/types.h>

   pid_t gettid(void);

I can compile on Ubuntu without #define _GNU_SOURCE and call gettid()

Maybe that line can be removed?

https://www.man7.org/linux/man-pages/man2/gettid.2.html

Cheers
Jonny