1 /*-
2 * Copyright (c) 2015 Nuxi, https://nuxi.nl/
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.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
14 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
16 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
17 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
18 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
19 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
20 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
21 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
22 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
23 * SUCH DAMAGE.
24 */
25
26 #include <sys/cdefs.h>
27 __FBSDID("$FreeBSD$");
28
29 #include <sys/param.h>
30 #include <sys/proc.h>
31 #include <sys/sched.h>
32 #include <sys/syscallsubr.h>
33
34 #include <compat/cloudabi/cloudabi_proto.h>
35 #include <compat/cloudabi/cloudabi_syscalldefs.h>
36
37 int
cloudabi_sys_thread_exit(struct thread * td,struct cloudabi_sys_thread_exit_args * uap)38 cloudabi_sys_thread_exit(struct thread *td,
39 struct cloudabi_sys_thread_exit_args *uap)
40 {
41 struct cloudabi_sys_lock_unlock_args cloudabi_sys_lock_unlock_args = {
42 .lock = uap->lock,
43 .scope = uap->scope,
44 };
45
46 /* Wake up joining thread. */
47 cloudabi_sys_lock_unlock(td, &cloudabi_sys_lock_unlock_args);
48
49 /*
50 * Attempt to terminate the thread. Terminate the process if
51 * it's the last thread.
52 */
53 kern_thr_exit(td);
54 exit1(td, 0, 0);
55 /* NOTREACHED */
56 }
57
58 int
cloudabi_sys_thread_tcb_set(struct thread * td,struct cloudabi_sys_thread_tcb_set_args * uap)59 cloudabi_sys_thread_tcb_set(struct thread *td,
60 struct cloudabi_sys_thread_tcb_set_args *uap)
61 {
62
63 return (cpu_set_user_tls(td, uap->tcb));
64 }
65
66 int
cloudabi_sys_thread_yield(struct thread * td,struct cloudabi_sys_thread_yield_args * uap)67 cloudabi_sys_thread_yield(struct thread *td,
68 struct cloudabi_sys_thread_yield_args *uap)
69 {
70
71 sched_relinquish(td);
72 return (0);
73 }
74