PR_CAP_AMBIENT(2const) — Linux manual page

PR_CAP_AMBIENT(2const)                            PR_CAP_AMBIENT(2const)

NAME         top

       PR_CAP_AMBIENT - read or change the ambient capability set of the
       calling thread

LIBRARY         top

       Standard C library (libc, -lc)

SYNOPSIS         top

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

       int prctl(PR_CAP_AMBIENT, long op, ...);

DESCRIPTION         top

       Reads or changes the ambient capability set of the calling
       thread, according to the value of op, which must be one of the
       following:

       PR_CAP_AMBIENT_RAISE
       PR_CAP_AMBIENT_LOWER
       PR_CAP_AMBIENT_IS_SET
       PR_CAP_AMBIENT_CLEAR_ALL

RETURN VALUE         top

       On success, a nonnegative value is returned.  On error, -1 is
       returned, and errno is set to indicate the error.

ERRORS         top

       EINVAL op is not a valid value.

VERSIONS         top

       Higher-level interfaces layered on top of the above operations
       are provided in the libcap(3) library in the form of
       cap_get_ambient(3), cap_set_ambient(3), and cap_reset_ambient(3).

STANDARDS         top

       Linux.

HISTORY         top

       Linux 4.3.

SEE ALSO         top

       prctl(2), PR_CAP_AMBIENT_RAISE(2const),
       PR_CAP_AMBIENT_LOWER(2const), PR_CAP_AMBIENT_IS_SET(2const),
       PR_CAP_AMBIENT_CLEAR_ALL(2const), libcap(3), cap_get_ambient(3),
       cap_set_ambient(3), cap_reset_ambient(3)

COLOPHON         top

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Linux man-pages 6.9.1          2024-06-01         PR_CAP_AMBIENT(2const)

Pages that refer to this page: PR_CAP_AMBIENT_CLEAR_ALL(2const),  PR_CAP_AMBIENT_IS_SET(2const),  PR_CAP_AMBIENT_LOWER(2const),  PR_CAP_AMBIENT_RAISE(2const),  prctl(2)

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