NAME

thr_main - identify the main thread

SYNOPSIS

cc -mt [ flag... ] file... [ library... ]
#include <thread.h>
int thr_main(void);

The thr_main() function returns one of the following:

1

if the calling thread is the main thread

0

if the calling thread is not the main thread

-1

if libthread is not linked in or thread initialization has not completed

/lib/libthread

See attributes(7) for descriptions of the following attributes:

ATTRIBUTE TYPE	ATTRIBUTE VALUE
MT-Level	MT-Safe