1.\" Copyright (c) 2012 David Xu <davidxu@FreeBSD.org> 2.\" All rights reserved. 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.\" 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 30.\" event of any discrepancy between this version and the original IEEE and 31.\" The Open Group Standard, the original IEEE and The Open Group Standard is 32.\" the referee document. The original Standard can be obtained online at 33.\" http://www.opengroup.org/unix/online.html. 34.\" 35.Dd August 21, 2012 36.Dt PTHREAD_GETCPUCLOCKID 3 37.Os 38.Sh NAME 39.Nm pthread_getcpuclockid 40.Nd access a thread CPU-time clock 41.Sh LIBRARY 42.Lb libpthread 43.Sh SYNOPSIS 44.In pthread.h 45.In time.h 46.Ft int 47.Fn pthread_getcpuclockid "pthread_t thread_id" "clockid_t *clock_id" 48.Sh DESCRIPTION 49The 50.Fn pthread_getcpuclockid 51returns the clock ID of the CPU-time clock of the thread specified by 52.Fa thread_id , 53if the thread described by 54.Fa thread_id 55exists. 56.Sh RETURN VALUES 57Upon successful completion, 58.Fn pthread_getcpuclockid 59returns zero; otherwise, an error number is returned to indicate the 60error. 61.Sh ERRORS 62The 63.Fn pthread_getcpuclockid 64function will fail if: 65.Bl -tag -width Er 66.It Bq Er ESRCH 67The value specified by 68.Fa thread_id 69does not refer to an existing thread. 70.El 71.Sh SEE ALSO 72.Xr clock_gettime 2 73.Sh STANDARDS 74The 75.Fn pthread_getcpuclockid 76function conforms to 77.St -p1003.1-2004 . 78.Sh HISTORY 79The 80.Fn pthread_getcpuclockid 81function first appeared in 82.Fx 10.0 . 83.Sh AUTHORS 84.An David Xu Aq Mt davidxu@FreeBSD.org 85