This version of this document is no longer maintained. For the latest documentation, see http://www.qnx.com/developers/docs.

pthread_getcpuclockid()

Return the clock ID of the CPU-time clock from a specified thread

Synopsis:

#include <sys/types.h>
#include <time.h>
#include <pthread.h>

extern int pthread_getcpuclockid( 
                         pthread_t id,
                         clockid_t* clock_id);

Arguments:

thread: The ID of the thread that you want to get the clock ID for, which you can get when you call pthread_create() or pthread_self().
clock_id: A pointer to a clockid_t object where the function can store the clock ID.

Library:

libc

Use the -l c option to qcc to link against this library. This library is usually included automatically.

Description:

The pthread_getcpuclockid() function returns the clock ID of the CPU-time clock of the thread specified by id, if the thread specified by id exists.

Returns:

0: Success.
-1: An error occurred (errno is set).

Errors:

ESRCH: The value specified by id doesn't refer to an existing thread.

Classification:

POSIX 1003.1 THR TCT

Safety:
Cancellation point	No
Interrupt handler	No
Signal handler	Yes
Thread	Yes