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PTHREAD_GETCPUCLOCKID

PTHREAD_GETCPUCLOCKID

Section: POSIX Programmer's Manual (P) Updated: 2003
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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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Time: 21:53:14 GMT, April 16, 2011