NAME    [Toc]    [Back]

     pthread_main_np - identify the main thread

SYNOPSIS    [Toc]    [Back]

     #include <pthread.h>
     #include <pthread_np.h>

     int
     pthread_main_np(void);

DESCRIPTION    [Toc]    [Back]

     The pthread_main_np() function identifies the main thread.

RETURN VALUES    [Toc]    [Back]

     The pthread_main_np() function returns:

     1     if the calling thread is the main thread

     0     if the calling thread is not the main thread

     -1    if the thread initialization has not completed

SEE ALSO    [Toc]    [Back]

     pthread_self(3), pthreads(3)

STANDARDS    [Toc]    [Back]

     The pthread_main_np() function is non-portable and  may  not
be supported
     with the above semantics on other POSIX systems.

OpenBSD      3.6                          August     17,     2001