PR_GET_TSC(2const) — Linux manual page

NAME | LIBRARY | SYNOPSIS | DESCRIPTION | RETURN VALUE | ERRORS | STANDARDS | HISTORY | SEE ALSO | COLOPHON

PR_GET_TSC(2const)                                    PR_GET_TSC(2const)

NAME         top

       PR_GET_TSC - get wether the timestamp counter can be read

LIBRARY         top

       Standard C library (libc, -lc)

SYNOPSIS         top

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

       int prctl(PR_GET_TSC, int *flag);

DESCRIPTION         top

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

RETURN VALUE         top

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

ERRORS         top

       EFAULT arg2 is an invalid address.

STANDARDS         top

       Linux.  x86 only.

HISTORY         top

       Linux 2.6.26 (x86).

SEE ALSO         top

       prctl(2), PR_SET_TSC(2const)

COLOPHON         top

       This page is part of the man-pages (Linux kernel and C library
       user-space interface documentation) project.  Information about
       the project can be found at 
       ⟨https://www.kernel.org/doc/man-pages/⟩.  If you have a bug report
       for this manual page, see
       ⟨https://git.kernel.org/pub/scm/docs/man-pages/man-pages.git/tree/CONTRIBUTING⟩.
       This page was obtained from the tarball man-pages-6.9.1.tar.gz
       fetched from
       ⟨https://mirrors.edge.kernel.org/pub/linux/docs/man-pages/⟩ on
       2024-06-26.  If you discover any rendering problems in this HTML
       version of the page, or you believe there is a better or more up-
       to-date source for the page, or you have corrections or
       improvements to the information in this COLOPHON (which is not
       part of the original manual page), send a mail to
       [email protected]

Linux man-pages 6.9.1          2024-06-02             PR_GET_TSC(2const)

Pages that refer to this page: prctl(2)PR_SET_TSC(2const)