NAME
pthread_getcpuclockid —
get a clock measuring thread CPU
time
SYNOPSIS
/* -lpthread */
#include <pthread.h>
int
pthread_getcpuclockid(pthread_t
thread, clockid_t
*clock_id);
DESCRIPTION
The
pthread_getcpuclockid()
function allows the calling thread to get a clockid_t
value that measures the time spent by CPUs running in user or kernel mode on
behalf of the thread specified by thread.
RETURN VALUES
If successful, pthread_getcpuclockid()
will return zero. Otherwise an error number will be returned to indicate the
error.
ERRORS
pthread_getcpuclockid() will fail if:
- [
ESRCH] - thread is an invalid thread ID.
SEE ALSO
STANDARDS
The pthread_getcpuclockid() function
conforms to IEEE Std 1003.1-2008
(“POSIX.1”).
HISTORY
The pthread_getcpuclockid() function first
appeared in IEEE Std 1003.1d-1999 (“POSIX.1d”) and has been
available since OpenBSD 5.4.