1 /* $NetBSD: pthread_getcpuclockid.c,v 1.4 2022/02/12 14:59:32 riastradh Exp $ */
2
3 /*-
4 * Copyright (c) 2016 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Christos Zoulas.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31 #include <sys/cdefs.h>
32 #if defined(LIBC_SCCS) && !defined(lint)
33 __RCSID("$NetBSD: pthread_getcpuclockid.c,v 1.4 2022/02/12 14:59:32 riastradh Exp $");
34 #endif /* LIBC_SCCS and not lint */
35
36 /* Need to use libc-private names for atomic operations. */
37 #include "../../common/lib/libc/atomic/atomic_op_namespace.h"
38
39 #include <sys/types.h>
40 #include <errno.h>
41 #include <pthread.h>
42 #include <time.h>
43
44 #include "pthread_int.h"
45
46 int
pthread_getcpuclockid(pthread_t thread,clockid_t * clock_id)47 pthread_getcpuclockid(pthread_t thread, clockid_t *clock_id)
48 {
49 int error = 0, saved_errno;
50
51 pthread__error(EINVAL, "Invalid thread",
52 thread->pt_magic == PT_MAGIC);
53
54 saved_errno = errno;
55 if (clock_getcpuclockid2(P_LWPID, (id_t)thread->pt_lid, clock_id) == -1)
56 error = errno;
57 errno = saved_errno;
58
59 return error;
60 }
61