--------------------------------------------------------------------------------AIX Version 4.3 Base Operating System and Extensions Technical Reference, Volume                                       1--------------------------------------------------------------------------------pthread_self SubroutinePurposeReturns the calling thread's ID.LibraryThreads Library (libpthreads.a)Syntax#include <pthread.h>pthread_t pthread_self (void);DescriptionThe pthread_self subroutine returns the calling thread's ID.    Note: The pthread.h header file must be the first included file of each    source file using the threads library. Otherwise, the -D_THREAD_SAFE    compilation flag should be used, or the cc_r compiler used. In this case, the    flag is automatically set.Return ValuesThe calling thread's ID is returned.ErrorsNo errors are defined.The pthread_self function will not return an error code of EINTR.Implementation SpecificsThis subroutine is part of the Base Operating System (BOS) Runtime.Related InformationThe pthread_create subroutine, pthread_equal subroutine, pthread.h file.Creating Threads in AIX Version 4.3 General Programming Concepts: Writing andDebugging Programs.Threads Library Quick Reference in AIX Version 4.3 General Programming Concepts:Writing and Debugging Programs.--------------------------------------------------------------------------------