PR_SET_SECUREBITS

(2const)

set the "securebits" flags of the calling thread

System callsmanpages-dev 6.9.1-1

#include <linux/prctl.h> /* Definition of PR_* constants */ #include <sys/prctl.h> int prctl(PR_SET_SECUREBITS, unsigned long flags);

LIBRARY

Standard C library (libc, -lc)

DESCRIPTION

Set the "securebits" flags of the calling thread to the value supplied in flags. See capabilities(7).

RETURN VALUE

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

ERRORS

EINVAL: flags is not a valid value.
EPERM: op is PR_SET_SECUREBITS, and the caller does not have the CAP_SETPCAP capability, or tried to unset a "locked" flag, or tried to set a flag whose corresponding locked flag was set (see capabilities(7)).

STANDARDS

Linux.

HISTORY

Linux 2.6.26.

See also

prctl(2)PR_GET_SECUREBITS(2const)capabilities(7)