| bpf.c (111742) | bpf.c (111748) |
|---|---|
| 1/* 2 * Copyright (c) 1990, 1991, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * This code is derived from the Stanford/CMU enet packet filter, 6 * (net/enet.c) distributed as part of 4.3BSD, and code contributed 7 * to Berkeley by Steven McCanne and Van Jacobson both of Lawrence 8 * Berkeley Laboratory. --- 23 unchanged lines hidden (view full) --- 32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 36 * SUCH DAMAGE. 37 * 38 * @(#)bpf.c 8.4 (Berkeley) 1/9/95 39 * | 1/* 2 * Copyright (c) 1990, 1991, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * This code is derived from the Stanford/CMU enet packet filter, 6 * (net/enet.c) distributed as part of 4.3BSD, and code contributed 7 * to Berkeley by Steven McCanne and Van Jacobson both of Lawrence 8 * Berkeley Laboratory. --- 23 unchanged lines hidden (view full) --- 32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 36 * SUCH DAMAGE. 37 * 38 * @(#)bpf.c 8.4 (Berkeley) 1/9/95 39 * |
| 40 * $FreeBSD: head/sys/net/bpf.c 111742 2003-03-02 15:56:49Z des $ | 40 * $FreeBSD: head/sys/net/bpf.c 111748 2003-03-02 16:54:40Z des $ |
| 41 */ 42 43#include "opt_bpf.h" 44#include "opt_mac.h" 45#include "opt_netgraph.h" 46 47#include <sys/param.h> 48#include <sys/systm.h> --- 403 unchanged lines hidden (view full) --- 452 BPFD_UNLOCK(d); 453 return (ENXIO); 454 } 455 456 if (ioflag & IO_NDELAY) { 457 BPFD_UNLOCK(d); 458 return (EWOULDBLOCK); 459 } | 41 */ 42 43#include "opt_bpf.h" 44#include "opt_mac.h" 45#include "opt_netgraph.h" 46 47#include <sys/param.h> 48#include <sys/systm.h> --- 403 unchanged lines hidden (view full) --- 452 BPFD_UNLOCK(d); 453 return (ENXIO); 454 } 455 456 if (ioflag & IO_NDELAY) { 457 BPFD_UNLOCK(d); 458 return (EWOULDBLOCK); 459 } |
| 460 error = msleep((caddr_t)d, &d->bd_mtx, PRINET|PCATCH, | 460 error = msleep(d, &d->bd_mtx, PRINET|PCATCH, |
| 461 "bpf", d->bd_rtout); 462 if (error == EINTR || error == ERESTART) { 463 BPFD_UNLOCK(d); 464 return (error); 465 } 466 if (error == EWOULDBLOCK) { 467 /* 468 * On a timeout, return what's in the buffer, --- 44 unchanged lines hidden (view full) --- 513static __inline void 514bpf_wakeup(d) 515 struct bpf_d *d; 516{ 517 if (d->bd_state == BPF_WAITING) { 518 callout_stop(&d->bd_callout); 519 d->bd_state = BPF_IDLE; 520 } | 461 "bpf", d->bd_rtout); 462 if (error == EINTR || error == ERESTART) { 463 BPFD_UNLOCK(d); 464 return (error); 465 } 466 if (error == EWOULDBLOCK) { 467 /* 468 * On a timeout, return what's in the buffer, --- 44 unchanged lines hidden (view full) --- 513static __inline void 514bpf_wakeup(d) 515 struct bpf_d *d; 516{ 517 if (d->bd_state == BPF_WAITING) { 518 callout_stop(&d->bd_callout); 519 d->bd_state = BPF_IDLE; 520 } |
| 521 wakeup((caddr_t)d); | 521 wakeup(d); |
| 522 if (d->bd_async && d->bd_sig && d->bd_sigio) 523 pgsigio(&d->bd_sigio, d->bd_sig, 0); 524 525 selwakeup(&d->bd_sel); 526} 527 528static void 529bpf_timed_out(arg) --- 1027 unchanged lines hidden --- | 522 if (d->bd_async && d->bd_sig && d->bd_sigio) 523 pgsigio(&d->bd_sigio, d->bd_sig, 0); 524 525 selwakeup(&d->bd_sel); 526} 527 528static void 529bpf_timed_out(arg) --- 1027 unchanged lines hidden --- |