NAME

       PR_SET_KEEPCAPS - set the state of the "keep capabilities" flag

LIBRARY

       Standard C library (libc, -lc)

SYNOPSIS

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

       int prctl(PR_SET_KEEPCAPS, long state);

DESCRIPTION

       Set  the  state of the calling thread's "keep capabilities" flag.  The effect of this flag
       is described in capabilities(7).  state must be either 0L (clear the flag) or 1L (set  the
       flag).  The "keep capabilities" value will be reset to 0 on subsequent calls to execve(2).

RETURN VALUE

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

ERRORS

       EINVAL state is not a valid value.

       EPERM  The caller's SECBIT_KEEP_CAPS_LOCKED flag is set (see capabilities(7)).

STANDARDS

       Linux.

HISTORY

       Linux 2.2.18.

SEE ALSO

       prctl(2), PR_GET_KEEPCAPS(2const)