PR_GET_TSC(2const)                                          PR_GET_TSC(2const)

NAME
       PR_GET_TSC - get wether the timestamp counter can be read

LIBRARY
       Standard C library (libc, -lc)

SYNOPSIS
       #include <linux/prctl.h>  /* Definition of PR_* constants */
       #include <sys/prctl.h>

       int prctl(PR_GET_TSC, int *flag);

DESCRIPTION
       Return the state of the flag determining whether the timestamp counter
       can be read, in the location pointed to by flag.

RETURN VALUE
       On success, 0 is returned.  On error, -1 is returned, and errno is set
       to indicate the error.

ERRORS
       EFAULT arg2 is an invalid address.

STANDARDS
       Linux.  x86 only.

HISTORY
       Linux 2.6.26 (x86).

SEE ALSO
       prctl(2), PR_SET_TSC(2const)

Linux man-pages 6.10              2024-07-23                PR_GET_TSC(2const)