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+.\" Copyright (c) 2001-2003 The Open Group, All Rights Reserved 
+.TH "CLOCK_GETCPUCLOCKID" P 2003 "IEEE/The Open Group" "POSIX Programmer's Manual"
+.\" clock_getcpuclockid 
+.SH NAME
+clock_getcpuclockid \- access a process CPU-time clock (\fBADVANCED
+REALTIME\fP)
+.SH SYNOPSIS
+.LP
+\fB#include <time.h>
+.br
+.sp
+int clock_getcpuclockid(pid_t\fP \fIpid\fP\fB, clockid_t *\fP\fIclock_id\fP\fB);
+\fP
+\fB
+.br
+\fP
+.SH DESCRIPTION
+.LP
+The \fIclock_getcpuclockid\fP() function shall return the clock ID
+of the CPU-time clock of the process specified by
+\fIpid\fP. If the process described by \fIpid\fP exists and the calling
+process has permission, the clock ID of this clock shall
+be returned in \fIclock_id\fP.
+.LP
+If \fIpid\fP is zero, the \fIclock_getcpuclockid\fP() function shall
+return the clock ID of the CPU-time clock of the process
+making the call, in \fIclock_id\fP.
+.LP
+The conditions under which one process has permission to obtain the
+CPU-time clock ID of other processes are
+implementation-defined.
+.SH RETURN VALUE
+.LP
+Upon successful completion, \fIclock_getcpuclockid\fP() shall return
+zero; otherwise, an error number shall be returned to
+indicate the error.
+.SH ERRORS
+.LP
+The \fIclock_getcpuclockid\fP() function shall fail if:
+.TP 7
+.B EPERM
+The requesting process does not have permission to access the CPU-time
+clock for the process.
+.sp
+.LP
+The \fIclock_getcpuclockid\fP() function may fail if:
+.TP 7
+.B ESRCH
+No process can be found corresponding to the process specified by
+\fIpid\fP.
+.sp
+.LP
+\fIThe following sections are informative.\fP
+.SH EXAMPLES
+.LP
+None.
+.SH APPLICATION USAGE
+.LP
+The \fIclock_getcpuclockid\fP() function is part of the Process CPU-Time
+Clocks option and need not be provided on all
+implementations.
+.SH RATIONALE
+.LP
+None.
+.SH FUTURE DIRECTIONS
+.LP
+None.
+.SH SEE ALSO
+.LP
+\fIclock_getres\fP() , \fItimer_create\fP() , the Base
+Definitions volume of IEEE\ Std\ 1003.1-2001, \fI<time.h>\fP
+.SH COPYRIGHT
+Portions of this text are reprinted and reproduced in electronic form
+from IEEE Std 1003.1, 2003 Edition, Standard for Information Technology
+-- Portable Operating System Interface (POSIX), The Open Group Base
+Specifications Issue 6, Copyright (C) 2001-2003 by the Institute of
+Electrical and Electronics Engineers, Inc and The Open Group. In the
+event of any discrepancy between this version and the original IEEE and
+The Open Group Standard, the original IEEE and The Open Group Standard
+is the referee document. The original Standard can be obtained online at
+http://www.opengroup.org/unix/online.html .