1 /*
2 * Copyright (c) 2010 Kip Macy. All rights reserved.
3 * Copyright (C) 2017-2021 THL A29 Limited, a Tencent company.
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are met:
8 *
9 * 1. Redistributions of source code must retain the above copyright notice, this
10 * list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright notice,
12 * this list of conditions and the following disclaimer in the documentation
13 * and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
17 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
18 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
19 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
20 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
21 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
22 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
24 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 *
26 * Derived in part from libplebnet's pn_kern_condvar.c.
27 */
28
29 #include <sys/cdefs.h>
30 __FBSDID("$FreeBSD$");
31
32 #include "opt_ktrace.h"
33
34 #include <sys/param.h>
35 #include <sys/systm.h>
36 #include <sys/lock.h>
37 #include <sys/mutex.h>
38 #include <sys/proc.h>
39 #include <sys/kernel.h>
40 #include <sys/ktr.h>
41 #include <sys/condvar.h>
42 #include <sys/sched.h>
43 #include <sys/signalvar.h>
44 #include <sys/sleepqueue.h>
45 #include <sys/resourcevar.h>
46
47 void
cv_init(struct cv * cvp,const char * desc)48 cv_init(struct cv *cvp, const char *desc)
49 {
50 cvp->cv_description = desc;
51 }
52
53 void
cv_destroy(struct cv * cvp)54 cv_destroy(struct cv *cvp)
55 {
56
57 }
58
59 void
_cv_wait(struct cv * cvp,struct lock_object * lock)60 _cv_wait(struct cv *cvp, struct lock_object *lock)
61 {
62
63 }
64
65 void
_cv_wait_unlock(struct cv * cvp,struct lock_object * lock)66 _cv_wait_unlock(struct cv *cvp, struct lock_object *lock)
67 {
68
69 }
70
71 int
_cv_wait_sig(struct cv * cvp,struct lock_object * lock)72 _cv_wait_sig(struct cv *cvp, struct lock_object *lock)
73 {
74 return (0);
75 }
76
77 int
_cv_timedwait(struct cv * cvp,struct lock_object * lock,int timo)78 _cv_timedwait(struct cv *cvp, struct lock_object *lock, int timo)
79 {
80 return (0);
81 }
82
83 int
_cv_timedwait_sig(struct cv * cvp,struct lock_object * lock,int timo)84 _cv_timedwait_sig(struct cv *cvp, struct lock_object *lock, int timo)
85 {
86 return (0);
87 }
88
89 int
_cv_timedwait_sig_sbt(struct cv * cvp,struct lock_object * lock,sbintime_t sbt,sbintime_t pr,int flags)90 _cv_timedwait_sig_sbt(struct cv *cvp, struct lock_object *lock,
91 sbintime_t sbt, sbintime_t pr, int flags)
92 {
93 return (0);
94 }
95
96 void
cv_signal(struct cv * cvp)97 cv_signal(struct cv *cvp)
98 {
99
100 }
101
102 void
cv_broadcastpri(struct cv * cvp,int pri)103 cv_broadcastpri(struct cv *cvp, int pri)
104 {
105
106 }
107