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GETTID(2)                  Linux Programmer's Manual                 GETTID(2)



NAME
       gettid - get thread identification

SYNOPSIS
       #include<sys/types.h>
       #include<linux/unistd.h>

       _syscall0(pid_t,gettid)

       pid_tgettid(void);

DESCRIPTION
       gettid  returns  the thread ID of the current process. This is equal to
       the process ID (as returned by getpid(2)), unless the process  is  part
       of  a  thread group (created by specifying the CLONE_THREAD flag to the
       clone(2) system call). All processes in the same thread group have  the
       same PID, but each one has a unique TID.

CONFORMINGTO
       gettid  is  Linux  specific and should not be used in programs that are
       intended to be portable.

SEEALSO
       getpid(2), clone(2), fork(2)




Linux 2.4.20                      2003-02-01                         GETTID(2)