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 #include <sys/param.h>
28 #include <sys/proc.h>
29 #include <sys/sched.h>
30 #include <sys/syscallsubr.h>
31
32 #include <contrib/cloudabi/cloudabi_types_common.h>
33
34 #include <compat/cloudabi/cloudabi_proto.h>
35
36 int
cloudabi_sys_thread_exit(struct thread * td,struct cloudabi_sys_thread_exit_args * uap)37 cloudabi_sys_thread_exit(struct thread *td,
38 struct cloudabi_sys_thread_exit_args *uap)
39 {
40 struct cloudabi_sys_lock_unlock_args cloudabi_sys_lock_unlock_args = {
41 .lock = uap->lock,
42 .scope = uap->scope,
43 };
44
45 /* Wake up joining thread. */
46 cloudabi_sys_lock_unlock(td, &cloudabi_sys_lock_unlock_args);
47
48 /*
49 * Attempt to terminate the thread. Terminate the process if
50 * it's the last thread.
51 */
52 kern_thr_exit(td);
53 exit1(td, 0, 0);
54 /* NOTREACHED */
55 }
56
57 int
cloudabi_sys_thread_yield(struct thread * td,struct cloudabi_sys_thread_yield_args * uap)58 cloudabi_sys_thread_yield(struct thread *td,
59 struct cloudabi_sys_thread_yield_args *uap)
60 {
61
62 sched_relinquish(td);
63 return (0);
64 }
65