PR_CAPBSET_DROP(2const) — Справочная страница Linux

PR_CAPBSET_DROP(2const)                          PR_CAPBSET_DROP(2const)

ИМЯ

       PR_CAPBSET_DROP - drop a capability from the calling thread's
       capability bounding set

БИБЛИОТЕКА

       Standard C library (libc, -lc)

СИНТАКСИС

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

       int prctl(PR_CAPBSET_DROP, long cap);

ОПИСАНИЕ

       Drop the capability specified by cap from the calling thread's
       capability bounding set.  Any children of the calling thread will
       inherit the newly reduced bounding set.

ЗНАЧЕНИЕ, ВОЗВРАЩАЕМОЕ ФУНКЦИЕЙ

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

ОШИБКИ

       EINVAL File capabilities are not enabled in the kernel.

       EINVAL cap does not specify a valid capability.

       EPERM  The caller does not have the CAP_SETPCAP capability.

ВЕРСИИ

       A higher-level interface layered on top of this operation is
       provided in the libcap(3) library in the form of
       cap_drop_bound(3).

СТАНДАРТЫ

       Linux.

ИСТОРИЯ

       Linux 2.6.25.

СМОТРИ ТАКЖЕ

       prctl(2), PR_CAPBSET_READ(2const) libcap(3), cap_drop_bound(3)

КОЛОФОН

       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
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       part of the original manual page), send a mail to
       man-pages@man7.org

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

Страницы, ссылающиеся на эту страницу: PR_CAPBSET_READ(2const), prctl(2)