PR_SET_SECUREBITS(2const) PR_SET_SECUREBITS(2const)

PR_SET_SECUREBITS - set the "securebits" flags of the calling thread

Standard C library (libc, -lc)

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

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

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

flags is not a valid value.
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)).

Linux.

Linux 2.6.26.

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

2024-06-02 Linux man-pages 6.9.1