| kern_sendfile.c (175294) | kern_sendfile.c (175845) |
|---|---|
| 1/*- 2 * Copyright (c) 1982, 1986, 1989, 1990, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * sendfile(2) and related extensions: 6 * Copyright (c) 1998, David Greenman. All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without --- 19 unchanged lines hidden (view full) --- 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 * 32 * @(#)uipc_syscalls.c 8.4 (Berkeley) 2/21/94 33 */ 34 35#include <sys/cdefs.h> | 1/*- 2 * Copyright (c) 1982, 1986, 1989, 1990, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * sendfile(2) and related extensions: 6 * Copyright (c) 1998, David Greenman. All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without --- 19 unchanged lines hidden (view full) --- 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 * 32 * @(#)uipc_syscalls.c 8.4 (Berkeley) 2/21/94 33 */ 34 35#include <sys/cdefs.h> |
| 36__FBSDID("$FreeBSD: head/sys/kern/uipc_syscalls.c 175294 2008-01-13 14:44:15Z attilio $"); | 36__FBSDID("$FreeBSD: head/sys/kern/uipc_syscalls.c 175845 2008-01-31 08:22:24Z rwatson $"); |
| 37 38#include "opt_sctp.h" 39#include "opt_compat.h" 40#include "opt_ktrace.h" 41#include "opt_mac.h" 42 43#include <sys/param.h> 44#include <sys/systm.h> --- 1813 unchanged lines hidden (view full) --- 1858 if (m == NULL) { 1859 error = mnw ? EAGAIN : ENOBUFS; 1860 goto out; 1861 } 1862 hdrlen = m_length(m, NULL); 1863 } 1864 } 1865 | 37 38#include "opt_sctp.h" 39#include "opt_compat.h" 40#include "opt_ktrace.h" 41#include "opt_mac.h" 42 43#include <sys/param.h> 44#include <sys/systm.h> --- 1813 unchanged lines hidden (view full) --- 1858 if (m == NULL) { 1859 error = mnw ? EAGAIN : ENOBUFS; 1860 goto out; 1861 } 1862 hdrlen = m_length(m, NULL); 1863 } 1864 } 1865 |
| 1866 /* Protect against multiple writers to the socket. */ 1867 (void) sblock(&so->so_snd, M_WAITOK); | 1866 /* 1867 * Protect against multiple writers to the socket. 1868 * 1869 * XXXRW: Historically this has assumed non-interruptibility, so now 1870 * we implement that, but possibly shouldn't. 1871 */ 1872 (void)sblock(&so->so_snd, SBL_WAIT | SBL_NOINTR); |
| 1868 1869 /* 1870 * Loop through the pages of the file, starting with the requested 1871 * offset. Get a file page (do I/O if necessary), map the file page 1872 * into an sf_buf, attach an mbuf header to the sf_buf, and queue 1873 * it on the socket. 1874 * This is done in two loops. The inner loop turns as many pages 1875 * as it can, up to available socket buffer space, without blocking --- 754 unchanged lines hidden --- | 1873 1874 /* 1875 * Loop through the pages of the file, starting with the requested 1876 * offset. Get a file page (do I/O if necessary), map the file page 1877 * into an sf_buf, attach an mbuf header to the sf_buf, and queue 1878 * it on the socket. 1879 * This is done in two loops. The inner loop turns as many pages 1880 * as it can, up to available socket buffer space, without blocking --- 754 unchanged lines hidden --- |