| @@ -1,261 +1,261 @@ | | | @@ -1,261 +1,261 @@ |
1 | /* $NetBSD: timevar.h,v 1.46 2020/12/08 04:09:38 thorpej Exp $ */ | | 1 | /* $NetBSD: timevar.h,v 1.47 2021/07/20 08:36:11 skrll Exp $ */ |
2 | | | 2 | |
3 | /* | | 3 | /* |
4 | * Copyright (c) 2005, 2008, 2020 The NetBSD Foundation, Inc. | | 4 | * Copyright (c) 2005, 2008, 2020 The NetBSD Foundation, Inc. |
5 | * All rights reserved. | | 5 | * All rights reserved. |
6 | * | | 6 | * |
7 | * Redistribution and use in source and binary forms, with or without | | 7 | * Redistribution and use in source and binary forms, with or without |
8 | * modification, are permitted provided that the following conditions | | 8 | * modification, are permitted provided that the following conditions |
9 | * are met: | | 9 | * are met: |
10 | * 1. Redistributions of source code must retain the above copyright | | 10 | * 1. Redistributions of source code must retain the above copyright |
11 | * notice, this list of conditions and the following disclaimer. | | 11 | * notice, this list of conditions and the following disclaimer. |
12 | * 2. Redistributions in binary form must reproduce the above copyright | | 12 | * 2. Redistributions in binary form must reproduce the above copyright |
13 | * notice, this list of conditions and the following disclaimer in the | | 13 | * notice, this list of conditions and the following disclaimer in the |
14 | * documentation and/or other materials provided with the distribution. | | 14 | * documentation and/or other materials provided with the distribution. |
15 | * | | 15 | * |
16 | * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS | | 16 | * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS |
17 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED | | 17 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
18 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | | 18 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
19 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS | | 19 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS |
20 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | | 20 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
21 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | | 21 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
22 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | | 22 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
23 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | | 23 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
24 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | | 24 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
25 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | | 25 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
26 | * POSSIBILITY OF SUCH DAMAGE. | | 26 | * POSSIBILITY OF SUCH DAMAGE. |
27 | */ | | 27 | */ |
28 | | | 28 | |
29 | /* | | 29 | /* |
30 | * Copyright (c) 1982, 1986, 1993 | | 30 | * Copyright (c) 1982, 1986, 1993 |
31 | * The Regents of the University of California. All rights reserved. | | 31 | * The Regents of the University of California. All rights reserved. |
32 | * | | 32 | * |
33 | * Redistribution and use in source and binary forms, with or without | | 33 | * Redistribution and use in source and binary forms, with or without |
34 | * modification, are permitted provided that the following conditions | | 34 | * modification, are permitted provided that the following conditions |
35 | * are met: | | 35 | * are met: |
36 | * 1. Redistributions of source code must retain the above copyright | | 36 | * 1. Redistributions of source code must retain the above copyright |
37 | * notice, this list of conditions and the following disclaimer. | | 37 | * notice, this list of conditions and the following disclaimer. |
38 | * 2. Redistributions in binary form must reproduce the above copyright | | 38 | * 2. Redistributions in binary form must reproduce the above copyright |
39 | * notice, this list of conditions and the following disclaimer in the | | 39 | * notice, this list of conditions and the following disclaimer in the |
40 | * documentation and/or other materials provided with the distribution. | | 40 | * documentation and/or other materials provided with the distribution. |
41 | * 3. Neither the name of the University nor the names of its contributors | | 41 | * 3. Neither the name of the University nor the names of its contributors |
42 | * may be used to endorse or promote products derived from this software | | 42 | * may be used to endorse or promote products derived from this software |
43 | * without specific prior written permission. | | 43 | * without specific prior written permission. |
44 | * | | 44 | * |
45 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | | 45 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
46 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | | 46 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
47 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | | 47 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
48 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | | 48 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
49 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | | 49 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
50 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | | 50 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
51 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | | 51 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
52 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | | 52 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
53 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | | 53 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
54 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | | 54 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
55 | * SUCH DAMAGE. | | 55 | * SUCH DAMAGE. |
56 | * | | 56 | * |
57 | * @(#)time.h 8.5 (Berkeley) 5/4/95 | | 57 | * @(#)time.h 8.5 (Berkeley) 5/4/95 |
58 | */ | | 58 | */ |
59 | | | 59 | |
60 | #ifndef _SYS_TIMEVAR_H_ | | 60 | #ifndef _SYS_TIMEVAR_H_ |
61 | #define _SYS_TIMEVAR_H_ | | 61 | #define _SYS_TIMEVAR_H_ |
62 | | | 62 | |
63 | #include <sys/callout.h> | | 63 | #include <sys/callout.h> |
64 | #include <sys/queue.h> | | 64 | #include <sys/queue.h> |
65 | #include <sys/signal.h> | | 65 | #include <sys/signal.h> |
66 | #include <sys/systm.h> | | 66 | #include <sys/systm.h> |
67 | #include <sys/mutex.h> | | 67 | #include <sys/mutex.h> |
68 | | | 68 | |
69 | struct itimer; | | 69 | struct itimer; |
70 | LIST_HEAD(itlist, itimer); | | 70 | LIST_HEAD(itlist, itimer); |
71 | | | 71 | |
72 | /* | | 72 | /* |
73 | * Interval timer operations vector. | | 73 | * Interval timer operations vector. |
74 | * | | 74 | * |
75 | * Required fields: | | 75 | * Required fields: |
76 | * | | 76 | * |
77 | * - ito_fire: A function to be called when the itimer fires. | | 77 | * - ito_fire: A function to be called when the itimer fires. |
78 | * The timer implementation should perform whatever processing | | 78 | * The timer implementation should perform whatever processing |
79 | * is necessary for that timer type. | | 79 | * is necessary for that timer type. |
80 | * | | 80 | * |
81 | * Optional fields: | | 81 | * Optional fields: |
82 | * | | 82 | * |
83 | * - ito_realtime_changed: A function that is called when the system | | 83 | * - ito_realtime_changed: A function that is called when the system |
84 | * time (CLOCK_REALTIME) is called. | | 84 | * time (CLOCK_REALTIME) is called. |
85 | */ | | 85 | */ |
86 | struct itimer_ops { | | 86 | struct itimer_ops { |
87 | void (*ito_fire)(struct itimer *); | | 87 | void (*ito_fire)(struct itimer *); |
88 | void (*ito_realtime_changed)(struct itimer *); | | 88 | void (*ito_realtime_changed)(struct itimer *); |
89 | }; | | 89 | }; |
90 | | | 90 | |
91 | /* | | 91 | /* |
92 | * Common interval timer data. | | 92 | * Common interval timer data. |
93 | */ | | 93 | */ |
94 | struct itimer { | | 94 | struct itimer { |
95 | union { | | 95 | union { |
96 | struct { | | 96 | struct { |
97 | callout_t it_ch; | | 97 | callout_t it_ch; |
98 | LIST_ENTRY(itimer) it_rtchgq; | | 98 | LIST_ENTRY(itimer) it_rtchgq; |
99 | } it_real; | | 99 | } it_real; |
100 | struct { | | 100 | struct { |
101 | struct itlist *it_vlist; | | 101 | struct itlist *it_vlist; |
102 | LIST_ENTRY(itimer) it_list; | | 102 | LIST_ENTRY(itimer) it_list; |
103 | bool it_active; | | 103 | bool it_active; |
104 | } it_virtual; | | 104 | } it_virtual; |
105 | }; | | 105 | }; |
106 | const struct itimer_ops *it_ops; | | 106 | const struct itimer_ops *it_ops; |
107 | struct itimerspec it_time; | | 107 | struct itimerspec it_time; |
108 | clockid_t it_clockid; | | 108 | clockid_t it_clockid; |
109 | int it_overruns; /* Overruns currently accumulating */ | | 109 | int it_overruns; /* Overruns currently accumulating */ |
110 | bool it_dying; | | 110 | bool it_dying; |
111 | }; | | 111 | }; |
112 | | | 112 | |
113 | #define it_ch it_real.it_ch | | 113 | #define it_ch it_real.it_ch |
114 | #define it_rtchgq it_real.it_rtchgq | | 114 | #define it_rtchgq it_real.it_rtchgq |
115 | | | 115 | |
116 | #define it_vlist it_virtual.it_vlist | | 116 | #define it_vlist it_virtual.it_vlist |
117 | #define it_list it_virtual.it_list | | 117 | #define it_list it_virtual.it_list |
118 | #define it_active it_virtual.it_active | | 118 | #define it_active it_virtual.it_active |
119 | | | 119 | |
120 | /* | | 120 | /* |
121 | * Structure used to manage timers in a process. | | 121 | * Structure used to manage timers in a process. |
122 | */ | | 122 | */ |
123 | struct ptimer { | | 123 | struct ptimer { |
124 | struct itimer pt_itimer;/* common interval timer data */ | | 124 | struct itimer pt_itimer;/* common interval timer data */ |
125 | | | 125 | |
126 | TAILQ_ENTRY(ptimer) pt_chain; /* link in signalling queue */ | | 126 | TAILQ_ENTRY(ptimer) pt_chain; /* link in signalling queue */ |
127 | struct sigevent pt_ev; /* event notification info */ | | 127 | struct sigevent pt_ev; /* event notification info */ |
128 | int pt_poverruns; /* Overruns associated w/ a delivery */ | | 128 | int pt_poverruns; /* Overruns associated w/ a delivery */ |
129 | int pt_entry; /* slot in proc's timer table */ | | 129 | int pt_entry; /* slot in proc's timer table */ |
130 | struct proc *pt_proc; /* associated process */ | | 130 | struct proc *pt_proc; /* associated process */ |
131 | bool pt_queued; /* true if linked into signalling queue */ | | 131 | bool pt_queued; /* true if linked into signalling queue */ |
132 | }; | | 132 | }; |
133 | | | 133 | |
134 | #define TIMER_MIN 4 /* [0..3] are reserved for setitimer(2) */ | | 134 | #define TIMER_MIN 4 /* [0..3] are reserved for setitimer(2) */ |
135 | /* REAL=0,VIRTUAL=1,PROF=2,MONOTONIC=3 */ | | 135 | /* REAL=0,VIRTUAL=1,PROF=2,MONOTONIC=3 */ |
136 | #define TIMER_MAX 36 /* 32 is minimum user timers per POSIX */ | | 136 | #define TIMER_MAX 36 /* 32 is minimum user timers per POSIX */ |
137 | #define TIMERS_ALL 0 | | 137 | #define TIMERS_ALL 0 |
138 | #define TIMERS_POSIX 1 | | 138 | #define TIMERS_POSIX 1 |
139 | | | 139 | |
140 | struct ptimers { | | 140 | struct ptimers { |
141 | struct itlist pts_virtual; | | 141 | struct itlist pts_virtual; |
142 | struct itlist pts_prof; | | 142 | struct itlist pts_prof; |
143 | struct itimer *pts_timers[TIMER_MAX]; | | 143 | struct itimer *pts_timers[TIMER_MAX]; |
144 | }; | | 144 | }; |
145 | | | 145 | |
146 | extern kmutex_t itimer_mutex; /* XXX */ | | 146 | extern kmutex_t itimer_mutex; /* XXX */ |
147 | | | 147 | |
148 | /* | | 148 | /* |
149 | * Functions for looking at our clock: [get]{bin,nano,micro}[up]time() | | 149 | * Functions for looking at our clock: [get]{bin,nano,micro}[up]time() |
150 | * | | 150 | * |
151 | * Functions without the "get" prefix returns the best timestamp | | 151 | * Functions without the "get" prefix returns the best timestamp |
152 | * we can produce in the given format. | | 152 | * we can produce in the given format. |
153 | * | | 153 | * |
154 | * "bin" == struct bintime == seconds + 64 bit fraction of seconds. | | 154 | * "bin" == struct bintime == seconds + 64 bit fraction of seconds. |
155 | * "nano" == struct timespec == seconds + nanoseconds. | | 155 | * "nano" == struct timespec == seconds + nanoseconds. |
156 | * "micro" == struct timeval == seconds + microseconds. | | 156 | * "micro" == struct timeval == seconds + microseconds. |
157 | * | | 157 | * |
158 | * Functions containing "up" returns time relative to boot and | | 158 | * Functions containing "up" returns time relative to boot and |
159 | * should be used for calculating time intervals. | | 159 | * should be used for calculating time intervals. |
160 | * | | 160 | * |
161 | * Functions without "up" returns GMT time. | | 161 | * Functions without "up" returns GMT time. |
162 | * | | 162 | * |
163 | * Functions with the "get" prefix returns a less precise result | | 163 | * Functions with the "get" prefix returns a less precise result |
164 | * much faster than the functions without "get" prefix and should | | 164 | * much faster than the functions without "get" prefix and should |
165 | * be used where a precision of 1/HZ (eg 10 msec on a 100HZ machine) | | 165 | * be used where a precision of 1/HZ (eg 10 msec on a 100HZ machine) |
166 | * is acceptable or where performance is priority. | | 166 | * is acceptable or where performance is priority. |
167 | * (NB: "precision", _not_ "resolution" !) | | 167 | * (NB: "precision", _not_ "resolution" !) |
168 | * | | 168 | * |
169 | */ | | 169 | */ |
170 | | | 170 | |
171 | void binuptime(struct bintime *); | | 171 | void binuptime(struct bintime *); |
172 | void nanouptime(struct timespec *); | | 172 | void nanouptime(struct timespec *); |
173 | void microuptime(struct timeval *); | | 173 | void microuptime(struct timeval *); |
174 | | | 174 | |
175 | void bintime(struct bintime *); | | 175 | void bintime(struct bintime *); |
176 | void nanotime(struct timespec *); | | 176 | void nanotime(struct timespec *); |
177 | void microtime(struct timeval *); | | 177 | void microtime(struct timeval *); |
178 | | | 178 | |
179 | void getbinuptime(struct bintime *); | | 179 | void getbinuptime(struct bintime *); |
180 | void getnanouptime(struct timespec *); | | 180 | void getnanouptime(struct timespec *); |
181 | void getmicrouptime(struct timeval *); | | 181 | void getmicrouptime(struct timeval *); |
182 | | | 182 | |
183 | void getbintime(struct bintime *); | | 183 | void getbintime(struct bintime *); |
184 | void getnanotime(struct timespec *); | | 184 | void getnanotime(struct timespec *); |
185 | void getmicrotime(struct timeval *); | | 185 | void getmicrotime(struct timeval *); |
186 | | | 186 | |
187 | void getbinboottime(struct bintime *); | | 187 | void getbinboottime(struct bintime *); |
188 | void getnanoboottime(struct timespec *); | | 188 | void getnanoboottime(struct timespec *); |
189 | void getmicroboottime(struct timeval *); | | 189 | void getmicroboottime(struct timeval *); |
190 | | | 190 | |
191 | /* Other functions */ | | 191 | /* Other functions */ |
192 | int ts2timo(clockid_t, int, struct timespec *, int *, struct timespec *); | | 192 | int ts2timo(clockid_t, int, struct timespec *, int *, struct timespec *); |
193 | void adjtime1(const struct timeval *, struct timeval *, struct proc *); | | 193 | void adjtime1(const struct timeval *, struct timeval *, struct proc *); |
194 | int clock_getres1(clockid_t, struct timespec *); | | 194 | int clock_getres1(clockid_t, struct timespec *); |
195 | int clock_gettime1(clockid_t, struct timespec *); | | 195 | int clock_gettime1(clockid_t, struct timespec *); |
196 | int clock_settime1(struct proc *, clockid_t, const struct timespec *, bool); | | 196 | int clock_settime1(struct proc *, clockid_t, const struct timespec *, bool); |
197 | void clock_timeleft(clockid_t, struct timespec *, struct timespec *); | | 197 | void clock_timeleft(clockid_t, struct timespec *, struct timespec *); |
198 | int dogetitimer(struct proc *, int, struct itimerval *); | | 198 | int dogetitimer(struct proc *, int, struct itimerval *); |
199 | int dosetitimer(struct proc *, int, struct itimerval *); | | 199 | int dosetitimer(struct proc *, int, struct itimerval *); |
200 | int dotimer_gettime(int, struct proc *, struct itimerspec *); | | 200 | int dotimer_gettime(int, struct proc *, struct itimerspec *); |
201 | int dotimer_settime(int, struct itimerspec *, struct itimerspec *, int, | | 201 | int dotimer_settime(int, struct itimerspec *, struct itimerspec *, int, |
202 | struct proc *); | | 202 | struct proc *); |
203 | int tshzto(const struct timespec *); | | 203 | int tshzto(const struct timespec *); |
204 | int tshztoup(const struct timespec *); | | 204 | int tshztoup(const struct timespec *); |
205 | int tvhzto(const struct timeval *); | | 205 | int tvhzto(const struct timeval *); |
206 | void inittimecounter(void); | | 206 | void inittimecounter(void); |
207 | int itimerfix(struct timeval *); | | 207 | int itimerfix(struct timeval *); |
208 | int itimespecfix(struct timespec *); | | 208 | int itimespecfix(struct timespec *); |
209 | int ppsratecheck(struct timeval *, int *, int); | | 209 | int ppsratecheck(struct timeval *, int *, int); |
210 | int ratecheck(struct timeval *, const struct timeval *); | | 210 | int ratecheck(struct timeval *, const struct timeval *); |
211 | int settime(struct proc *p, struct timespec *); | | 211 | int settime(struct proc *p, struct timespec *); |
212 | int nanosleep1(struct lwp *, clockid_t, int, struct timespec *, | | 212 | int nanosleep1(struct lwp *, clockid_t, int, struct timespec *, |
213 | struct timespec *); | | 213 | struct timespec *); |
214 | int settimeofday1(const struct timeval *, bool, | | 214 | int settimeofday1(const struct timeval *, bool, |
215 | const void *, struct lwp *, bool); | | 215 | const void *, struct lwp *, bool); |
216 | int timer_create1(timer_t *, clockid_t, struct sigevent *, copyin_t, | | 216 | int timer_create1(timer_t *, clockid_t, struct sigevent *, copyin_t, |
217 | struct lwp *); | | 217 | struct lwp *); |
218 | int tstohz(const struct timespec *); | | 218 | int tstohz(const struct timespec *); |
219 | int tvtohz(const struct timeval *); | | 219 | int tvtohz(const struct timeval *); |
220 | int inittimeleft(struct timespec *, struct timespec *); | | 220 | int inittimeleft(struct timespec *, struct timespec *); |
221 | int gettimeleft(struct timespec *, struct timespec *); | | 221 | int gettimeleft(struct timespec *, struct timespec *); |
222 | void timerupcall(struct lwp *); | | 222 | void timerupcall(struct lwp *); |
223 | void time_init(void); | | 223 | void time_init(void); |
224 | bool time_wraps(struct timespec *, struct timespec *); | | 224 | bool time_wraps(struct timespec *, struct timespec *); |
225 | | | 225 | |
226 | void itimer_init(struct itimer *, const struct itimer_ops *, | | 226 | void itimer_init(struct itimer *, const struct itimer_ops *, |
227 | clockid_t, struct itlist *); | | 227 | clockid_t, struct itlist *); |
228 | void itimer_poison(struct itimer *); | | 228 | void itimer_poison(struct itimer *); |
229 | void itimer_fini(struct itimer *); | | 229 | void itimer_fini(struct itimer *); |
230 | | | 230 | |
231 | void itimer_lock(void); | | 231 | void itimer_lock(void); |
232 | void itimer_unlock(void); | | 232 | void itimer_unlock(void); |
233 | bool itimer_lock_held(void); /* for diagnostic assertions only */ | | 233 | bool itimer_lock_held(void); /* for diagnostic assertions only */ |
234 | int itimer_settime(struct itimer *); | | 234 | int itimer_settime(struct itimer *); |
235 | void itimer_gettime(const struct itimer *, struct itimerspec *); | | 235 | void itimer_gettime(const struct itimer *, struct itimerspec *); |
236 | | | 236 | |
237 | void ptimer_tick(struct lwp *, bool); | | 237 | void ptimer_tick(struct lwp *, bool); |
238 | void ptimers_free(struct proc *, int); | | 238 | void ptimers_free(struct proc *, int); |
239 | | | 239 | |
240 | extern volatile time_t time_second; /* current second in the epoch */ | | 240 | extern volatile time_t time_second; /* current second in the epoch */ |
241 | extern volatile time_t time_uptime; /* system uptime in seconds */ | | 241 | extern volatile time_t time_uptime; /* system uptime in seconds */ |
242 | | | 242 | |
243 | #define DEFAULT_TIMEOUT_EPSILON \ | | 243 | #define DEFAULT_TIMEOUT_EPSILON \ |
244 | (&(const struct bintime) { \ | | 244 | (&(const struct bintime) { \ |
245 | .sec = 0, \ | | 245 | .sec = 0, \ |
246 | .frac = ((uint64_t)1 << 32)/hz << 32, \ | | 246 | .frac = ((uint64_t)1 << 32)/hz << 32, \ |
247 | }) | | 247 | }) |
248 | | | 248 | |
249 | static __inline time_t time_mono_to_wall(time_t t) | | 249 | static __inline time_t time_mono_to_wall(time_t t) |
250 | { | | 250 | { |
251 | | | 251 | |
252 | return t - time_uptime + time_second; | | 252 | return t - time_uptime + time_second; |
253 | } | | 253 | } |
254 | | | 254 | |
255 | static __inline time_t time_wall_to_mono(time_t t) | | 255 | static __inline time_t time_wall_to_mono(time_t t) |
256 | { | | 256 | { |
257 | | | 257 | |
258 | return t - time_second + time_uptime; | | 258 | return t - time_second + time_uptime; |
259 | } | | 259 | } |
260 | | | 260 | |
261 | #endif /* !_SYS_TIMEVAR_H_ */ | | 261 | #endif /* !_SYS_TIMEVAR_H_ */ |