af_llc.c (62910554656cdcd6b6f84a5154c4155aae4ca231) af_llc.c (aa395145165cb06a0d0885221bbe0ce4a564391d)
1/*
2 * af_llc.c - LLC User Interface SAPs
3 * Description:
4 * Functions in this module are implementation of socket based llc
5 * communications for the Linux operating system. Support of llc class
6 * one and class two is provided via SOCK_DGRAM and SOCK_STREAM
7 * respectively.
8 *

--- 522 unchanged lines hidden (view full) ---

531}
532
533static int llc_ui_wait_for_disc(struct sock *sk, long timeout)
534{
535 DEFINE_WAIT(wait);
536 int rc = 0;
537
538 while (1) {
1/*
2 * af_llc.c - LLC User Interface SAPs
3 * Description:
4 * Functions in this module are implementation of socket based llc
5 * communications for the Linux operating system. Support of llc class
6 * one and class two is provided via SOCK_DGRAM and SOCK_STREAM
7 * respectively.
8 *

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531}
532
533static int llc_ui_wait_for_disc(struct sock *sk, long timeout)
534{
535 DEFINE_WAIT(wait);
536 int rc = 0;
537
538 while (1) {
539 prepare_to_wait(sk->sk_sleep, &wait, TASK_INTERRUPTIBLE);
539 prepare_to_wait(sk_sleep(sk), &wait, TASK_INTERRUPTIBLE);
540 if (sk_wait_event(sk, &timeout, sk->sk_state == TCP_CLOSE))
541 break;
542 rc = -ERESTARTSYS;
543 if (signal_pending(current))
544 break;
545 rc = -EAGAIN;
546 if (!timeout)
547 break;
548 rc = 0;
549 }
540 if (sk_wait_event(sk, &timeout, sk->sk_state == TCP_CLOSE))
541 break;
542 rc = -ERESTARTSYS;
543 if (signal_pending(current))
544 break;
545 rc = -EAGAIN;
546 if (!timeout)
547 break;
548 rc = 0;
549 }
550 finish_wait(sk->sk_sleep, &wait);
550 finish_wait(sk_sleep(sk), &wait);
551 return rc;
552}
553
554static int llc_ui_wait_for_conn(struct sock *sk, long timeout)
555{
556 DEFINE_WAIT(wait);
557
558 while (1) {
551 return rc;
552}
553
554static int llc_ui_wait_for_conn(struct sock *sk, long timeout)
555{
556 DEFINE_WAIT(wait);
557
558 while (1) {
559 prepare_to_wait(sk->sk_sleep, &wait, TASK_INTERRUPTIBLE);
559 prepare_to_wait(sk_sleep(sk), &wait, TASK_INTERRUPTIBLE);
560 if (sk_wait_event(sk, &timeout, sk->sk_state != TCP_SYN_SENT))
561 break;
562 if (signal_pending(current) || !timeout)
563 break;
564 }
560 if (sk_wait_event(sk, &timeout, sk->sk_state != TCP_SYN_SENT))
561 break;
562 if (signal_pending(current) || !timeout)
563 break;
564 }
565 finish_wait(sk->sk_sleep, &wait);
565 finish_wait(sk_sleep(sk), &wait);
566 return timeout;
567}
568
569static int llc_ui_wait_for_busy_core(struct sock *sk, long timeout)
570{
571 DEFINE_WAIT(wait);
572 struct llc_sock *llc = llc_sk(sk);
573 int rc;
574
575 while (1) {
566 return timeout;
567}
568
569static int llc_ui_wait_for_busy_core(struct sock *sk, long timeout)
570{
571 DEFINE_WAIT(wait);
572 struct llc_sock *llc = llc_sk(sk);
573 int rc;
574
575 while (1) {
576 prepare_to_wait(sk->sk_sleep, &wait, TASK_INTERRUPTIBLE);
576 prepare_to_wait(sk_sleep(sk), &wait, TASK_INTERRUPTIBLE);
577 rc = 0;
578 if (sk_wait_event(sk, &timeout,
579 (sk->sk_shutdown & RCV_SHUTDOWN) ||
580 (!llc_data_accept_state(llc->state) &&
581 !llc->remote_busy_flag &&
582 !llc->p_flag)))
583 break;
584 rc = -ERESTARTSYS;
585 if (signal_pending(current))
586 break;
587 rc = -EAGAIN;
588 if (!timeout)
589 break;
590 }
577 rc = 0;
578 if (sk_wait_event(sk, &timeout,
579 (sk->sk_shutdown & RCV_SHUTDOWN) ||
580 (!llc_data_accept_state(llc->state) &&
581 !llc->remote_busy_flag &&
582 !llc->p_flag)))
583 break;
584 rc = -ERESTARTSYS;
585 if (signal_pending(current))
586 break;
587 rc = -EAGAIN;
588 if (!timeout)
589 break;
590 }
591 finish_wait(sk->sk_sleep, &wait);
591 finish_wait(sk_sleep(sk), &wait);
592 return rc;
593}
594
595static int llc_wait_data(struct sock *sk, long timeo)
596{
597 int rc;
598
599 while (1) {

--- 641 unchanged lines hidden --- 		592 return rc;
593}
594
595static int llc_wait_data(struct sock *sk, long timeo)
596{
597 int rc;
598
599 while (1) {

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