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thr_main(3c) [sunos man page]

thr_main(3C)						   Standard C Library Functions 					      thr_main(3C)

NAME
thr_main - identify the main thread SYNOPSIS
cc -mt [ flag... ] file... [ library... ] #include <thread.h> int thr_main(void); DESCRIPTION
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 FILES
/lib/libthread ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |MT-Level |MT-Safe | +-----------------------------+-----------------------------+ SEE ALSO
thr_self(3C), attributes(5) SunOS 5.10 11 May 1998 thr_main(3C)

Check Out this Related Man Page

libthread(3LIB)                                                 Interface Libraries                                                libthread(3LIB)

NAME
libthread - threads library SYNOPSIS
cc -mt [ flag... ] file... [ library... ] DESCRIPTION
Historically, functions in libthread provided threading support. This functionality now resides in libc(3LIB). This library is maintained to provide backward compatibility for both runtime and compilation environments. The shared object is imple- mented as a filter on libc.so.1. New application development need not specify -lthread. INTERFACES
The shared object libthread.so.1 provides the public interfaces defined below. See intro(3) for additional information on shared object interfaces. cond_broadcast cond_destroy cond_init cond_reltimedwait cond_signal cond_timedwait cond_wait mutex_destroy mutex_init mutex_lock mutex_trylock mutex_unlock rw_rdlock rw_tryrdlock rw_trywrlock rw_unlock rw_wrlock rwlock_destroy rwlock_init sema_destroy sema_init sema_post sema_trywait sema_wait thr_continue thr_create thr_exit thr_getconcurrency thr_getprio thr_getspecific thr_join thr_keycreate thr_kill thr_main thr_min_stack thr_self thr_setconcurrency thr_setprio thr_setspecific thr_sigsetmask thr_stksegment thr_suspend thr_yield FILES
/lib/libthread.so.1 a filter on libc.so.1 /lib/64/libthread.so.1 a filter on 64/libc.so.1 ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWcsl (32-bit) | +-----------------------------+-----------------------------+ | |SUNWcslx (64-bit) | +-----------------------------+-----------------------------+ |MT-Level |Safe | +-----------------------------+-----------------------------+ SEE ALSO
pvs(1), intro(2), intro(3), libc(3LIB), libc_db(3LIB), libpthread(3LIB), attributes(5), threads(5) SunOS 5.10 24 Mar 2004 libthread(3LIB)
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