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33574c17 | 1 | /* Start thread. Mach version. |
2b778ceb | 2 | Copyright (C) 2000-2021 Free Software Foundation, Inc. |
33574c17 ST |
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 | |
ad2b41bf ST |
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. | |
33574c17 ST |
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 | |
ad2b41bf | 13 | Lesser General Public License for more details. |
33574c17 | 14 | |
ad2b41bf ST |
15 | You should have received a copy of the GNU Lesser General Public |
16 | License along with the GNU C Library; if not, see | |
5a82c748 | 17 | <https://www.gnu.org/licenses/>. */ |
33574c17 ST |
18 | |
19 | #include <assert.h> | |
20 | #include <errno.h> | |
21 | #include <mach.h> | |
22 | ||
23 | #include <pt-internal.h> | |
24 | ||
25 | /* Start THREAD. Get the kernel thread scheduled and running. */ | |
26 | int | |
27 | __pthread_thread_start (struct __pthread *thread) | |
28 | { | |
29 | static int do_start; | |
30 | error_t err; | |
31 | ||
32 | if (!do_start) | |
33 | { | |
34 | /* The main thread is already running: do nothing. */ | |
35 | assert (__pthread_total == 1); | |
36 | assert (( | |
37 | { | |
38 | mach_port_t ktid = __mach_thread_self (); | |
39 | int ok = thread->kernel_thread == ktid; | |
40 | __mach_port_deallocate (__mach_task_self (), | |
41 | thread->kernel_thread); | |
42 | ok; | |
43 | })); | |
44 | do_start = 1; | |
45 | } | |
46 | else | |
47 | { | |
48 | err = __thread_resume (thread->kernel_thread); | |
49 | assert_perror (err); | |
50 | } | |
51 | ||
52 | return 0; | |
53 | } |