1.\" Copyright (c) 2012 David Xu <davidxu@FreeBSD.org>
2.\" All rights reserved.
3.\"
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25.\" Portions of this text are reprinted and reproduced in electronic form
26.\" from IEEE Std 1003.1, 2004 Edition, Standard for Information Technology --
27.\" Portable Operating System Interface (POSIX), The Open Group Base
28.\" Specifications Issue 6, Copyright (C) 2001-2004 by the Institute of
29.\" Electrical and Electronics Engineers, Inc and The Open Group.  In the
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35.\" $FreeBSD: head/share/man/man3/pthread_getcpuclockid.3 303742 2016-08-04 11:38:53Z pluknet $
36.\"
37.Dd July 26, 2017
38.Dt PTHREAD_GETCPUCLOCKID 3
39.Os
40.Sh NAME
41.Nm pthread_getcpuclockid
42.Nd access a thread CPU-time clock
43.Sh LIBRARY
44.Lb libpthread
45.Sh SYNOPSIS
46.In pthread.h
47.In time.h
48.Ft int
49.Fn pthread_getcpuclockid "pthread_t thread" "clockid_t *clock_id"
50.Sh DESCRIPTION
51The
52.Fn pthread_getcpuclockid
53returns the clock ID of the CPU-time clock of the thread specified by
54.Fa thread ,
55if the thread described by
56.Fa thread
57exists.
58.Sh RETURN VALUES
59Upon successful completion,
60.Fn pthread_getcpuclockid
61returns zero; otherwise, an error number is returned to indicate the
62error.
63.Sh ERRORS
64The
65.Fn pthread_getcpuclockid
66function will fail if:
67.Bl -tag -width Er
68.It Bq Er ESRCH
69The value specified by
70.Fa thread
71does not refer to an existing thread.
72.El
73.Sh SEE ALSO
74.Xr clock_gettime 2 ,
75.Xr clock_getcpuclockid 3
76.Sh STANDARDS
77The
78.Fn pthread_getcpuclockid
79function conforms to
80.St -p1003.1-2004 .
81.Sh HISTORY
82The
83.Fn pthread_getcpuclockid
84function first appeared in
85.Fx 10.0
86and was ported to
87.Dx 4.9 .
88.Sh AUTHORS
89.An David Xu Aq Mt davidxu@FreeBSD.org
90