2 * Copyright (c) 2014 Bjoern A. Zeeb
5 * This software was developed by SRI International and the University of
6 * Cambridge Computer Laboratory under DARPA/AFRL contract FA8750-11-C-0249
7 * ("MRC2"), as part of the DARPA MRC research programme.
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 #include <sys/cdefs.h>
31 __FBSDID("$FreeBSD$");
33 #include "opt_compat.h"
35 #include <sys/param.h>
36 #include <sys/errno.h>
37 #include <sys/signal.h>
38 #include <sys/syscallsubr.h>
39 #include <sys/systm.h>
41 #include <sys/types.h>
44 #include <machine/../linux32/linux.h>
45 #include <machine/../linux32/linux32_proto.h>
47 #include <machine/../linux/linux.h>
48 #include <machine/../linux/linux_proto.h>
50 #include <compat/linux/linux_timer.h>
53 linux_convert_l_clockid(clockid_t *clock_id)
57 case LINUX_CLOCK_REALTIME:
58 *clock_id = CLOCK_REALTIME;
60 case LINUX_CLOCK_MONOTONIC:
61 *clock_id = CLOCK_MONOTONIC;
71 linux_convert_l_sigevent(struct l_sigevent *l_sig, struct sigevent *sig)
74 CP(*l_sig, *sig, sigev_notify);
75 switch (l_sig->sigev_notify) {
77 sig->sigev_notify = SIGEV_SIGNAL;
78 CP(*l_sig, *sig, sigev_signo);
79 PTRIN_CP(*l_sig, *sig, sigev_value.sival_ptr);
82 sig->sigev_notify = SIGEV_NONE;
86 /* Seems to not be used anywhere (anymore)? */
87 sig->sigev_notify = SIGEV_THREAD;
92 case L_SIGEV_THREAD_ID:
93 sig->sigev_notify = SIGEV_THREAD_ID;
94 CP2(*l_sig, *sig, _l_sigev_un._tid, sigev_notify_thread_id);
95 CP(*l_sig, *sig, sigev_signo);
96 PTRIN_CP(*l_sig, *sig, sigev_value.sival_ptr);
105 linux_timer_create(struct thread *td, struct linux_timer_create_args *uap)
107 struct l_sigevent l_ev;
108 struct sigevent ev, *evp;
111 if (uap->evp == NULL) {
114 error = copyin(uap->evp, &l_ev, sizeof(l_ev));
117 error = linux_convert_l_sigevent(&l_ev, &ev);
122 error = linux_convert_l_clockid(&uap->clock_id);
125 error = kern_ktimer_create(td, uap->clock_id, evp, &id, -1);
127 error = copyout(&id, uap->timerid, sizeof(int));
129 kern_ktimer_delete(td, id);
135 linux_timer_settime(struct thread *td, struct linux_timer_settime_args *uap)
137 struct l_itimerspec l_val, l_oval;
138 struct itimerspec val, oval, *ovalp;
141 error = copyin(uap->new, &l_val, sizeof(l_val));
145 ovalp = uap->old != NULL ? &oval : NULL;
146 error = kern_ktimer_settime(td, uap->timerid, uap->flags, &val, ovalp);
147 if (error == 0 && uap->old != NULL) {
148 ITS_CP(oval, l_oval);
149 error = copyout(&l_oval, uap->old, sizeof(l_oval));
155 linux_timer_gettime(struct thread *td, struct linux_timer_gettime_args *uap)
157 struct l_itimerspec l_val;
158 struct itimerspec val;
161 error = kern_ktimer_gettime(td, uap->timerid, &val);
164 error = copyout(&l_val, uap->setting, sizeof(l_val));
170 linux_timer_getoverrun(struct thread *td, struct linux_timer_getoverrun_args *uap)
173 return (kern_ktimer_getoverrun(td, uap->timerid));
177 linux_timer_delete(struct thread *td, struct linux_timer_delete_args *uap)
180 return (kern_ktimer_delete(td, uap->timerid));