PTHREAD_MAIN_NP(3) BSD Programmer's Manual PTHREAD_MAIN_NP(3)NAMEpthread_main_np - identify the main thread
SYNOPSIS
#include <pthread.h>
#include <pthread_np.h>
int
pthread_main_np(void);
DESCRIPTION
The pthread_main_np() function identifies the main thread.
RETURN VALUES
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 ALSOpthread_self(3), pthreads(3)STANDARDS
The pthread_main_np() function is non-portable and may not be supported
with the above semantics on other POSIX systems.
MirOS BSD #10-current August 17, 2001 1