DXR is a code search and navigation tool aimed at making sense of large projects. It supports full-text and regex searches as well as structural queries.

Mercurial (86b7021079e5)

VCS Links

Line Code
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253
/*-
 * SPDX-License-Identifier: BSD-3-Clause
 *
 * Copyright (c) 2001-2007, by Cisco Systems, Inc. All rights reserved.
 * Copyright (c) 2008-2012, by Randall Stewart. All rights reserved.
 * Copyright (c) 2008-2012, by Michael Tuexen. All rights reserved.
 * Copyright (c) 2008-2012, by Brad Penoff. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * a) Redistributions of source code must retain the above copyright notice,
 *   this list of conditions and the following disclaimer.
 *
 * b) Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *   the documentation and/or other materials provided with the distribution.
 *
 * c) Neither the name of Cisco Systems, Inc. nor the names of its
 *    contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
 * THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifdef __FreeBSD__
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#endif

#ifndef _NETINET_SCTP_LOCK_EMPTY_H_
#define _NETINET_SCTP_LOCK_EMPTY_H_

/*
 * Empty Lock declarations for all other platforms. Pre-process away to
 * nothing.
 */

/* __Userspace__ putting lock macros in same order as sctp_lock_bsd.h ...*/

#define SCTP_IPI_COUNT_INIT()

#define SCTP_STATLOG_INIT_LOCK()
#define SCTP_STATLOG_LOCK()
#define SCTP_STATLOG_UNLOCK()
#define SCTP_STATLOG_DESTROY()

#define SCTP_INP_INFO_LOCK_DESTROY()

#define SCTP_INP_INFO_LOCK_INIT()
#define SCTP_INP_INFO_RLOCK()
#define SCTP_INP_INFO_WLOCK()
#define SCTP_INP_INFO_TRYLOCK() 1
#define SCTP_INP_INFO_RUNLOCK()
#define SCTP_INP_INFO_WUNLOCK()

#define SCTP_WQ_ADDR_INIT()
#define SCTP_WQ_ADDR_DESTROY()
#define SCTP_WQ_ADDR_LOCK()
#define SCTP_WQ_ADDR_UNLOCK()


#define SCTP_IPI_ADDR_INIT()
#define SCTP_IPI_ADDR_DESTROY()
#define SCTP_IPI_ADDR_RLOCK()
#define SCTP_IPI_ADDR_WLOCK()
#define SCTP_IPI_ADDR_RUNLOCK()
#define SCTP_IPI_ADDR_WUNLOCK()

#define SCTP_IPI_ITERATOR_WQ_INIT()
#define SCTP_IPI_ITERATOR_WQ_DESTROY()
#define SCTP_IPI_ITERATOR_WQ_LOCK()
#define SCTP_IPI_ITERATOR_WQ_UNLOCK()


#define SCTP_IP_PKTLOG_INIT()
#define SCTP_IP_PKTLOG_LOCK()
#define SCTP_IP_PKTLOG_UNLOCK()
#define SCTP_IP_PKTLOG_DESTROY()



#define SCTP_INP_READ_INIT(_inp)
#define SCTP_INP_READ_DESTROY(_inp)
#define SCTP_INP_READ_LOCK(_inp)
#define SCTP_INP_READ_UNLOCK(_inp)

#define SCTP_INP_LOCK_INIT(_inp)
#define SCTP_ASOC_CREATE_LOCK_INIT(_inp)
#define SCTP_INP_LOCK_DESTROY(_inp)
#define SCTP_ASOC_CREATE_LOCK_DESTROY(_inp)


#define SCTP_INP_RLOCK(_inp)
#define SCTP_INP_WLOCK(_inp)

#define SCTP_INP_LOCK_CONTENDED(_inp) (0) /* Don't know if this is possible */

#define SCTP_INP_READ_CONTENDED(_inp) (0) /* Don't know if this is possible */

#define SCTP_ASOC_CREATE_LOCK_CONTENDED(_inp) (0) /* Don't know if this is possible */


#define SCTP_TCB_SEND_LOCK_INIT(_tcb)
#define SCTP_TCB_SEND_LOCK_DESTROY(_tcb)
#define SCTP_TCB_SEND_LOCK(_tcb)
#define SCTP_TCB_SEND_UNLOCK(_tcb)

#define SCTP_INP_INCR_REF(_inp)
#define SCTP_INP_DECR_REF(_inp)

#define SCTP_ASOC_CREATE_LOCK(_inp)

#define SCTP_INP_RUNLOCK(_inp)
#define SCTP_INP_WUNLOCK(_inp)
#define SCTP_ASOC_CREATE_UNLOCK(_inp)


#define SCTP_TCB_LOCK_INIT(_tcb)
#define SCTP_TCB_LOCK_DESTROY(_tcb)
#define SCTP_TCB_LOCK(_tcb)
#define SCTP_TCB_TRYLOCK(_tcb) 1
#define SCTP_TCB_UNLOCK(_tcb)
#define SCTP_TCB_UNLOCK_IFOWNED(_tcb)
#define SCTP_TCB_LOCK_ASSERT(_tcb)



#define SCTP_ITERATOR_LOCK_INIT()
#define SCTP_ITERATOR_LOCK()
#define SCTP_ITERATOR_UNLOCK()
#define SCTP_ITERATOR_LOCK_DESTROY()



#define SCTP_INCR_EP_COUNT() \
                do { \
		       sctppcbinfo.ipi_count_ep++; \
	        } while (0)

#define SCTP_DECR_EP_COUNT() \
                do { \
		       sctppcbinfo.ipi_count_ep--; \
	        } while (0)

#define SCTP_INCR_ASOC_COUNT() \
                do { \
	               sctppcbinfo.ipi_count_asoc++; \
	        } while (0)

#define SCTP_DECR_ASOC_COUNT() \
                do { \
	               sctppcbinfo.ipi_count_asoc--; \
	        } while (0)

#define SCTP_INCR_LADDR_COUNT() \
                do { \
	               sctppcbinfo.ipi_count_laddr++; \
	        } while (0)

#define SCTP_DECR_LADDR_COUNT() \
                do { \
	               sctppcbinfo.ipi_count_laddr--; \
	        } while (0)

#define SCTP_INCR_RADDR_COUNT() \
                do { \
 	               sctppcbinfo.ipi_count_raddr++; \
	        } while (0)

#define SCTP_DECR_RADDR_COUNT() \
                do { \
 	               sctppcbinfo.ipi_count_raddr--; \
	        } while (0)

#define SCTP_INCR_CHK_COUNT() \
                do { \
  	               sctppcbinfo.ipi_count_chunk++; \
	        } while (0)

#define SCTP_DECR_CHK_COUNT() \
                do { \
  	               sctppcbinfo.ipi_count_chunk--; \
	        } while (0)

#define SCTP_INCR_READQ_COUNT() \
                do { \
		       sctppcbinfo.ipi_count_readq++; \
	        } while (0)

#define SCTP_DECR_READQ_COUNT() \
                do { \
		       sctppcbinfo.ipi_count_readq--; \
	        } while (0)

#define SCTP_INCR_STRMOQ_COUNT() \
                do { \
		       sctppcbinfo.ipi_count_strmoq++; \
	        } while (0)

#define SCTP_DECR_STRMOQ_COUNT() \
                do { \
		       sctppcbinfo.ipi_count_strmoq--; \
	        } while (0)


/* not sure if __Userspace__ needs these (but copied nonetheless...) */
#if defined(SCTP_SO_LOCK_TESTING)
#define SCTP_INP_SO(sctpinp)	(sctpinp)->ip_inp.inp.inp_socket
#define SCTP_SOCKET_LOCK(so, refcnt)
#define SCTP_SOCKET_UNLOCK(so, refcnt)
#endif


/* these were in sctp_lock_empty.h but aren't in sctp_lock_bsd.h ... */
#if 0
#define SCTP_IPI_ADDR_LOCK()
#define SCTP_IPI_ADDR_UNLOCK()
#endif


/* These were in sctp_lock_empty.h because they were commented out within
 *  within user_include/user_socketvar.h .  If they are NOT commented out
 *  in user_socketvar.h (because that seems the more natural place for them
 *  to live), then change this "if" to 0.  Keep the "if" as 1 if these ARE
 *  indeed commented out in user_socketvar.h .
 *
 * This modularity is kept so this file can easily be chosen as an alternative
 *  to SCTP_PROCESS_LEVEL_LOCKS.  If one defines SCTP_PROCESS_LEVEL_LOCKS in
 *  user_include/opt_sctp.h, then the file sctp_process_lock.h (which we didn't
 *  implement) is used, and that declares these locks already (so using
 *  SCTP_PROCESS_LEVEL_LOCKS *requires* that these defintions be commented out
 *  in user_socketvar.h).
 */
#if 1
#define SOCK_LOCK(_so)
#define SOCK_UNLOCK(_so)
#define SOCKBUF_LOCK(_so_buf)
#define SOCKBUF_UNLOCK(_so_buf)
#define SOCKBUF_LOCK_ASSERT(_so_buf)
#endif

#endif