pthread_main_np(3) - NetBSD Manual Pages

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PTHREAD_MAIN_NP(3)      NetBSD Library Functions Manual     PTHREAD_MAIN_NP(3)


NAME

     pthread_main_np -- identify the initial thread


LIBRARY

     POSIX Threads Library (libpthread, -lpthread)


SYNOPSIS

     #include <pthread.h>

     int
     pthread_main_np(void);


DESCRIPTION

     The pthread_main_np() function identifies the initial (main) thread.


RETURN VALUES

     The pthread_main_np() function returns 1 if the calling thread is the
     main thread, 0 if not, and -1 if threading has not been initialized.


SEE ALSO

     pthread(3), pthread_self(3)


STANDARDS

     The pthread_main_np() function is a non-standard extension.

NetBSD 11.99                    April 26, 2026                    NetBSD 11.99