#Name

gettid - get current thread ID

#Synopsis

#include <unistd.h>

int gettid();

#Description

Returns the TID (thread ID) of the calling thread. The first thread in a process has the same TID and PID. Subsequently spawned threads will have unique thread ID's, but all share the same PID.

#Return value

The thread ID of the calling thread.

#Error

None.

#See also

• getpid(2)
• getppid(2)