Deleted Added
full compact
subr_witness.c (90361) subr_witness.c (91140)
1/*-
2 * Copyright (c) 1998 Berkeley Software Design, Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.

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22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 *
28 * from BSDI $Id: mutex_witness.c,v 1.1.2.20 2000/04/27 03:10:27 cp Exp $
29 * and BSDI $Id: synch_machdep.c,v 2.3.2.39 2000/04/27 03:10:25 cp Exp $
1/*-
2 * Copyright (c) 1998 Berkeley Software Design, Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.

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22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 *
28 * from BSDI $Id: mutex_witness.c,v 1.1.2.20 2000/04/27 03:10:27 cp Exp $
29 * and BSDI $Id: synch_machdep.c,v 2.3.2.39 2000/04/27 03:10:25 cp Exp $
30 * $FreeBSD: head/sys/kern/subr_witness.c 90361 2002-02-07 20:58:47Z julian $
30 * $FreeBSD: head/sys/kern/subr_witness.c 91140 2002-02-23 11:12:57Z tanimura $
31 */
32
33/*
34 * Implementation of the `witness' lock verifier. Originally implemented for
35 * mutexes in BSD/OS. Extended to handle generic lock objects and lock
36 * classes in FreeBSD.
37 */
38

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183static int witness_dead; /* fatal error, probably no memory */
184
185static struct witness w_data[WITNESS_COUNT];
186static struct witness_child_list_entry w_childdata[WITNESS_CHILDCOUNT];
187static struct lock_list_entry w_locklistdata[LOCK_CHILDCOUNT];
188
189static struct witness_order_list_entry order_lists[] = {
190 { "Giant", &lock_class_mtx_sleep },
31 */
32
33/*
34 * Implementation of the `witness' lock verifier. Originally implemented for
35 * mutexes in BSD/OS. Extended to handle generic lock objects and lock
36 * classes in FreeBSD.
37 */
38

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183static int witness_dead; /* fatal error, probably no memory */
184
185static struct witness w_data[WITNESS_COUNT];
186static struct witness_child_list_entry w_childdata[WITNESS_CHILDCOUNT];
187static struct lock_list_entry w_locklistdata[LOCK_CHILDCOUNT];
188
189static struct witness_order_list_entry order_lists[] = {
190 { "Giant", &lock_class_mtx_sleep },
191 { "pgrpsess", &lock_class_sx },
191 { "proctree", &lock_class_sx },
192 { "allproc", &lock_class_sx },
192 { "proctree", &lock_class_sx },
193 { "allproc", &lock_class_sx },
194 { "process group", &lock_class_mtx_sleep },
193 { "process lock", &lock_class_mtx_sleep },
195 { "process lock", &lock_class_mtx_sleep },
196 { "session", &lock_class_mtx_sleep },
194 { "uidinfo hash", &lock_class_mtx_sleep },
195 { "uidinfo struct", &lock_class_mtx_sleep },
196 { NULL, NULL },
197 /*
198 * spin locks
199 */
200#ifdef SMP
201 { "ap boot", &lock_class_mtx_spin },

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222#endif
223 { "clk", &lock_class_mtx_spin },
224 { NULL, NULL },
225 { NULL, NULL }
226};
227
228static const char *dup_list[] = {
229 "process lock",
197 { "uidinfo hash", &lock_class_mtx_sleep },
198 { "uidinfo struct", &lock_class_mtx_sleep },
199 { NULL, NULL },
200 /*
201 * spin locks
202 */
203#ifdef SMP
204 { "ap boot", &lock_class_mtx_spin },

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225#endif
226 { "clk", &lock_class_mtx_spin },
227 { NULL, NULL },
228 { NULL, NULL }
229};
230
231static const char *dup_list[] = {
232 "process lock",
233 "process group",
230 NULL
231};
232
233/*
234 * Pairs of locks which have been blessed
235 * Don't complain about order problems with blessed locks
236 */
237static struct witness_blessed blessed_list[] = {

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234 NULL
235};
236
237/*
238 * Pairs of locks which have been blessed
239 * Don't complain about order problems with blessed locks
240 */
241static struct witness_blessed blessed_list[] = {

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