PR_CAP_AMBIENT_LOWER(2const) — Linux manual page

PR_CAP_AMBIENT_LOWER(2const)                PR_CAP_AMBIENT_LOWER(2const)

NAME

       PR_CAP_AMBIENT_LOWER - lower the ambient capability set of the
       calling thread

LIBRARY

       Standard C library (libc, -lc)

SYNOPSIS

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

       int prctl(PR_CAP_AMBIENT, PR_CAP_AMBIENT_LOWER, long cap, 0L, 0L);

DESCRIPTION

       The capability specified in cap is removed from the ambient
       capability set.

RETURN VALUE

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

ERRORS

       EINVAL cap does not specify a valid capability.

VERSIONS

       See PR_CAP_AMBIENT(2const).

STANDARDS

       Linux.

HISTORY

       Linux 4.3.

SEE ALSO

       prctl(2), PR_CAP_AMBIENT(2const), libcap(3)

COLOPHON

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

Pages that refer to this page: PR_CAP_AMBIENT(2const)

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