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PTHREAD_MAIN_NP(3) FreeBSD Library Functions Manual PTHREAD_MAIN_NP(3)
NAME
pthread_main_np - identify the initial thread
LIBRARY
POSIX Threads Library (libpthread, -lpthread)
SYNOPSIS
#include <pthread_np.h>
int
pthread_main_np(void);
DESCRIPTION
The pthread_main_np() function is used in userland threads environment to
identify the initial thread. Its semantics is similar to the Solaris's
thr_main() function.
RETURN VALUES
The pthread_main_np() function returns 1 if the calling thread is the
initial thread, 0 if the calling thread is not the initial thread, and -1
if the thread's initialization has not yet completed.
SEE ALSO
pthread_create(3), pthread_equal(3), pthread_np(3), pthread_self(3)
AUTHORS
This manual page was written by Alexey Zelkin <phantom@FreeBSD.org>.
FreeBSD 14.0-RELEASE-p11 October 12, 2021 FreeBSD 14.0-RELEASE-p11