| uipc_sockbuf.c (167715) | uipc_sockbuf.c (167895) |
|---|---|
| 1/*- 2 * Copyright (c) 1982, 1986, 1988, 1990, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 16 unchanged lines hidden (view full) --- 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * @(#)uipc_socket2.c 8.1 (Berkeley) 6/10/93 30 */ 31 32#include <sys/cdefs.h> | 1/*- 2 * Copyright (c) 1982, 1986, 1988, 1990, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 16 unchanged lines hidden (view full) --- 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * @(#)uipc_socket2.c 8.1 (Berkeley) 6/10/93 30 */ 31 32#include <sys/cdefs.h> |
| 33__FBSDID("$FreeBSD: head/sys/kern/uipc_sockbuf.c 167715 2007-03-19 18:35:13Z andre $"); | 33__FBSDID("$FreeBSD: head/sys/kern/uipc_sockbuf.c 167895 2007-03-26 08:59:03Z rwatson $"); |
| 34 35#include "opt_param.h" 36 37#include <sys/param.h> 38#include <sys/aio.h> /* for aio_swake proto */ 39#include <sys/kernel.h> 40#include <sys/lock.h> 41#include <sys/mbuf.h> --- 932 unchanged lines hidden (view full) --- 974sbdroprecord(struct sockbuf *sb) 975{ 976 977 SOCKBUF_LOCK(sb); 978 sbdroprecord_locked(sb); 979 SOCKBUF_UNLOCK(sb); 980} 981 | 34 35#include "opt_param.h" 36 37#include <sys/param.h> 38#include <sys/aio.h> /* for aio_swake proto */ 39#include <sys/kernel.h> 40#include <sys/lock.h> 41#include <sys/mbuf.h> --- 932 unchanged lines hidden (view full) --- 974sbdroprecord(struct sockbuf *sb) 975{ 976 977 SOCKBUF_LOCK(sb); 978 sbdroprecord_locked(sb); 979 SOCKBUF_UNLOCK(sb); 980} 981 |
| 982/* 983 * Create a "control" mbuf containing the specified data 984 * with the specified type for presentation on a socket buffer. 985 */ 986struct mbuf * 987sbcreatecontrol(p, size, type, level) 988 caddr_t p; 989 register int size; 990 int type, level; 991{ 992 register struct cmsghdr *cp; 993 struct mbuf *m; 994 995 if (CMSG_SPACE((u_int)size) > MCLBYTES) 996 return ((struct mbuf *) NULL); 997 if (CMSG_SPACE((u_int)size) > MLEN) 998 m = m_getcl(M_DONTWAIT, MT_CONTROL, 0); 999 else 1000 m = m_get(M_DONTWAIT, MT_CONTROL); 1001 if (m == NULL) 1002 return ((struct mbuf *) NULL); 1003 cp = mtod(m, struct cmsghdr *); 1004 m->m_len = 0; 1005 KASSERT(CMSG_SPACE((u_int)size) <= M_TRAILINGSPACE(m), 1006 ("sbcreatecontrol: short mbuf")); 1007 if (p != NULL) 1008 (void)memcpy(CMSG_DATA(cp), p, size); 1009 m->m_len = CMSG_SPACE(size); 1010 cp->cmsg_len = CMSG_LEN(size); 1011 cp->cmsg_level = level; 1012 cp->cmsg_type = type; 1013 return (m); 1014} 1015 1016/* 1017 * This does the same for sockbufs. Note that the xsockbuf structure, 1018 * since it is always embedded in a socket, does not include a self 1019 * pointer nor a length. We make this entry point public in case 1020 * some other mechanism needs it. 1021 */ 1022void 1023sbtoxsockbuf(struct sockbuf *sb, struct xsockbuf *xsb) 1024{ 1025 xsb->sb_cc = sb->sb_cc; 1026 xsb->sb_hiwat = sb->sb_hiwat; 1027 xsb->sb_mbcnt = sb->sb_mbcnt; 1028 xsb->sb_mbmax = sb->sb_mbmax; 1029 xsb->sb_lowat = sb->sb_lowat; 1030 xsb->sb_flags = sb->sb_flags; 1031 xsb->sb_timeo = sb->sb_timeo; 1032} 1033 |
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| 982/* This takes the place of kern.maxsockbuf, which moved to kern.ipc. */ 983static int dummy; 984SYSCTL_INT(_kern, KERN_DUMMY, dummy, CTLFLAG_RW, &dummy, 0, ""); 985SYSCTL_OID(_kern_ipc, KIPC_MAXSOCKBUF, maxsockbuf, CTLTYPE_ULONG|CTLFLAG_RW, 986 &sb_max, 0, sysctl_handle_sb_max, "LU", "Maximum socket buffer size"); 987SYSCTL_ULONG(_kern_ipc, KIPC_SOCKBUF_WASTE, sockbuf_waste_factor, CTLFLAG_RW, 988 &sb_efficiency, 0, ""); | 1034/* This takes the place of kern.maxsockbuf, which moved to kern.ipc. */ 1035static int dummy; 1036SYSCTL_INT(_kern, KERN_DUMMY, dummy, CTLFLAG_RW, &dummy, 0, ""); 1037SYSCTL_OID(_kern_ipc, KIPC_MAXSOCKBUF, maxsockbuf, CTLTYPE_ULONG|CTLFLAG_RW, 1038 &sb_max, 0, sysctl_handle_sb_max, "LU", "Maximum socket buffer size"); 1039SYSCTL_ULONG(_kern_ipc, KIPC_SOCKBUF_WASTE, sockbuf_waste_factor, CTLFLAG_RW, 1040 &sb_efficiency, 0, ""); |