| uipc_usrreq.c (210225) | uipc_usrreq.c (210226) |
|---|---|
| 1/*- 2 * Copyright (c) 1982, 1986, 1989, 1991, 1993 3 * The Regents of the University of California. 4 * Copyright (c) 2004-2009 Robert N. M. Watson 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions --- 43 unchanged lines hidden (view full) --- 52 * TODO: 53 * RDM 54 * distinguish datagram size limits from flow control limits in SEQPACKET 55 * rethink name space problems 56 * need a proper out-of-band 57 */ 58 59#include <sys/cdefs.h> | 1/*- 2 * Copyright (c) 1982, 1986, 1989, 1991, 1993 3 * The Regents of the University of California. 4 * Copyright (c) 2004-2009 Robert N. M. Watson 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions --- 43 unchanged lines hidden (view full) --- 52 * TODO: 53 * RDM 54 * distinguish datagram size limits from flow control limits in SEQPACKET 55 * rethink name space problems 56 * need a proper out-of-band 57 */ 58 59#include <sys/cdefs.h> |
| 60__FBSDID("$FreeBSD: head/sys/kern/uipc_usrreq.c 210225 2010-07-18 20:23:10Z trasz $"); | 60__FBSDID("$FreeBSD: head/sys/kern/uipc_usrreq.c 210226 2010-07-18 20:57:53Z trasz $"); |
| 61 62#include "opt_ddb.h" 63 64#include <sys/param.h> 65#include <sys/domain.h> 66#include <sys/fcntl.h> 67#include <sys/malloc.h> /* XXX must be before <sys/file.h> */ 68#include <sys/eventhandler.h> --- 91 unchanged lines hidden (view full) --- 160 &unpdg_recvspace, 0, "Default datagram receive space."); 161SYSCTL_ULONG(_net_local_seqpacket, OID_AUTO, maxseqpacket, CTLFLAG_RW, 162 &unpsp_sendspace, 0, "Default seqpacket send space."); 163SYSCTL_ULONG(_net_local_seqpacket, OID_AUTO, recvspace, CTLFLAG_RW, 164 &unpsp_recvspace, 0, "Default seqpacket receive space."); 165SYSCTL_INT(_net_local, OID_AUTO, inflight, CTLFLAG_RD, &unp_rights, 0, 166 "File descriptors in flight."); 167 | 61 62#include "opt_ddb.h" 63 64#include <sys/param.h> 65#include <sys/domain.h> 66#include <sys/fcntl.h> 67#include <sys/malloc.h> /* XXX must be before <sys/file.h> */ 68#include <sys/eventhandler.h> --- 91 unchanged lines hidden (view full) --- 160 &unpdg_recvspace, 0, "Default datagram receive space."); 161SYSCTL_ULONG(_net_local_seqpacket, OID_AUTO, maxseqpacket, CTLFLAG_RW, 162 &unpsp_sendspace, 0, "Default seqpacket send space."); 163SYSCTL_ULONG(_net_local_seqpacket, OID_AUTO, recvspace, CTLFLAG_RW, 164 &unpsp_recvspace, 0, "Default seqpacket receive space."); 165SYSCTL_INT(_net_local, OID_AUTO, inflight, CTLFLAG_RD, &unp_rights, 0, 166 "File descriptors in flight."); 167 |
| 168/* | 168/*- |
| 169 * Locking and synchronization: 170 * 171 * Three types of locks exit in the local domain socket implementation: a 172 * global list mutex, a global linkage rwlock, and per-unpcb mutexes. Of the 173 * global locks, the list lock protects the socket count, global generation 174 * number, and stream/datagram global lists. The linkage lock protects the 175 * interconnection of unpcbs, the v_socket and unp_vnode pointers, and can be 176 * held exclusively over the acquisition of multiple unpcb locks to prevent --- 2151 unchanged lines hidden --- | 169 * Locking and synchronization: 170 * 171 * Three types of locks exit in the local domain socket implementation: a 172 * global list mutex, a global linkage rwlock, and per-unpcb mutexes. Of the 173 * global locks, the list lock protects the socket count, global generation 174 * number, and stream/datagram global lists. The linkage lock protects the 175 * interconnection of unpcbs, the v_socket and unp_vnode pointers, and can be 176 * held exclusively over the acquisition of multiple unpcb locks to prevent --- 2151 unchanged lines hidden --- |