Which function returns LWP in Linux.



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?

Sincerely,
Srinivas Nayak
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