PTHREAD_GETCPUCLOCKID
Section: POSIX Programmer's Manual (P)
Updated: 2003
NAME
pthread_getcpuclockid - access a thread CPU-time clock (ADVANCED
REALTIME THREADS)
SYNOPSIS
#include <pthread.h>
#include <time.h>
int pthread_getcpuclockid(pthread_t thread_id, clockid_t
*clock_id);
DESCRIPTION
The pthread_getcpuclockid() function shall return in clock_id
the clock ID of the CPU-time clock of the thread
specified by thread_id, if the thread specified by thread_id
exists.
RETURN VALUE
Upon successful completion, pthread_getcpuclockid() shall return
zero; otherwise, an error number shall be returned to
indicate the error.
ERRORS
The pthread_getcpuclockid() function may fail if:
- ESRCH
-
The value specified by thread_id does not refer to an existing
thread.
The following sections are informative.
EXAMPLES
None.
APPLICATION USAGE
The pthread_getcpuclockid() function is part of the Thread CPU-Time
Clocks option and need not be provided on all
implementations.
RATIONALE
None.
FUTURE DIRECTIONS
None.
SEE ALSO
clock_getcpuclockid() , clock_getres() , timer_create()
, the Base Definitions volume of IEEE Std 1003.1-2001, <pthread.h>,
<time.h>
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 .
Index
- NAME
-
- SYNOPSIS
-
- DESCRIPTION
-
- RETURN VALUE
-
- ERRORS
-
- EXAMPLES
-
- APPLICATION USAGE
-
- RATIONALE
-
- FUTURE DIRECTIONS
-
- SEE ALSO
-
- COPYRIGHT
-
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