1 /* Wakeup a thread. Mach version.
2 Copyright (C) 2000-2021 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
9
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <https://www.gnu.org/licenses/>. */
18
19 #include <assert.h>
20 #include <errno.h>
21
22 #include <mach.h>
23 #include <mach/message.h>
24
25 #include <pt-internal.h>
26
27 /* Wakeup THREAD. */
28 void
__pthread_wakeup(struct __pthread * thread)29 __pthread_wakeup (struct __pthread *thread)
30 {
31 error_t err;
32
33 err = __mach_msg (&thread->wakeupmsg, MACH_SEND_MSG | MACH_SEND_TIMEOUT,
34 sizeof (thread->wakeupmsg), 0, MACH_PORT_NULL,
35 0, MACH_PORT_NULL);
36 assert_perror (err);
37 }
38