Re: Which function returns LWP in Linux.

From: KOSAKI Motohiro
Date: Mon May 17 2010 - 03:03:28 EST


> Hi,
>
> For a process, we have different PIDs. For threads under a single
> processes, we have different LWP id, but same PID in Linux.
> ex.
>
> root@pc:/home/srinivas# ps -eLf
> UID PID PPID LWP C STIME TIME CMD
> root 100 1 100 0 May13 00:00:02 ./a.out
> root 100 1 102 0 May13 00:00:00 ./a.out
>
> getpid() function returns PID of a process.
> Which function retuns LWP id for thread?

gettid()



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