binary_semaphore::binary_semaphore() {
atomic_do_once( &init_concmon_module, concmon_module_inited );
__TBB_init_binsem( &my_sem.lock );
if( (uintptr_t)__TBB_init_binsem!=(uintptr_t)&init_binsem_using_event )
P();
}
void governor::one_time_init() {
if( !__TBB_InitOnce::initialization_done() )
DoOneTimeInitializations();
#if __TBB_SURVIVE_THREAD_SWITCH
atomic_do_once( &initialize_cilk_interop, cilkrts_load_state );
#endif /* __TBB_SURVIVE_THREAD_SWITCH */
}
generic_scheduler* governor::init_scheduler( unsigned num_threads, stack_size_type stack_size, bool auto_init ) {
if( !__TBB_InitOnce::initialization_done() )
DoOneTimeInitializations();
generic_scheduler* s = theTLS.get();
if( s ) {
s->my_ref_count += 1;
return s;
}
#if __TBB_SURVIVE_THREAD_SWITCH
atomic_do_once( &initialize_cilk_interop, cilkrts_load_state );
#endif /* __TBB_SURVIVE_THREAD_SWITCH */
if( (int)num_threads == task_scheduler_init::automatic )
num_threads = default_num_threads();
s = generic_scheduler::create_master(
market::create_arena( num_threads - 1, stack_size ? stack_size : ThreadStackSize ) );
__TBB_ASSERT(s, "Somehow a local scheduler creation for a master thread failed");
s->my_auto_initialized = auto_init;
return s;
}
int AvailableHwConcurrency() {
atomic_do_once( &initialize_hardware_concurrency_info, hardware_concurrency_info );
return theProcessorGroups[ProcessorGroupInfo::NumGroups - 1].numProcsRunningTotal;
}
int AvailableHwConcurrency() {
atomic_do_once( &initialize_hardware_concurrency_info, hardware_concurrency_info );
return theNumProcs;
}
