Exemplos de stdma_others_waiting em C++ (Cpp)

Exemplo n.º 1

Arquivo: atari_scsi.c Projeto: BackupTheBerlios/tuxap

static void falcon_get_lock( void )
{
	unsigned long flags;

	if (IS_A_TT()) return;

	local_irq_save(flags);

	while( !in_interrupt() && falcon_got_lock && stdma_others_waiting() )
		sleep_on( &falcon_fairness_wait );

	while (!falcon_got_lock) {
		if (in_interrupt())
			panic( "Falcon SCSI hasn't ST-DMA lock in interrupt" );
		if (!falcon_trying_lock) {
			falcon_trying_lock = 1;
			stdma_lock(scsi_falcon_intr, NULL);
			falcon_got_lock = 1;
			falcon_trying_lock = 0;
			wake_up( &falcon_try_wait );
		}
		else {
			sleep_on( &falcon_try_wait );
		}
	}	

	local_irq_restore(flags);
	if (!falcon_got_lock)
		panic("Falcon SCSI: someone stole the lock :-(\n");
}

Exemplo n.º 2

Arquivo: atari_scsi.c Projeto: liexusong/linux2.0-comment

static void falcon_get_lock( void )
{
	unsigned long	oldflags;

	if (IS_A_TT()) return;

	save_flags(oldflags);
	cli();

	while( intr_count == 0 && falcon_got_lock && stdma_others_waiting() )
		sleep_on( &falcon_fairness_wait );

	while (!falcon_got_lock) {
		if (intr_count > 0)
			panic( "Falcon SCSI hasn't ST-DMA lock in interrupt" );
		if (!falcon_trying_lock) {
			falcon_trying_lock = 1;
			stdma_lock(scsi_falcon_intr, NULL);
			falcon_got_lock = 1;
			falcon_trying_lock = 0;
			wake_up( &falcon_try_wait );
		}
		else {
			sleep_on( &falcon_try_wait );
		}
	}	

	restore_flags(oldflags);
	if (!falcon_got_lock)
		panic("Falcon SCSI: someone stole the lock :-(\n");
}