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PR_CAP_AMBIENT_LOWER(2const) — Linux manual page

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

PR_CAP_AMBIENT_LOWER(2const)                PR_CAP_AMBIENT_LOWER(2const)

NAME         top

       PR_CAP_AMBIENT_LOWER - lower 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, PR_CAP_AMBIENT_LOWER, long cap, 0L, 0L);

DESCRIPTION         top

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

RETURN VALUE         top

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

ERRORS         top

       EINVAL cap does not specify a valid capability.

VERSIONS         top

       See PR_CAP_AMBIENT(2const).

STANDARDS         top

       Linux.

HISTORY         top

       Linux 4.3.

SEE ALSO         top

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

COLOPHON         top

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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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