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)

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