PR_GET_NO_NEW_PRIVS - get the calling thread's no_new_privs attribute

NAME  LIBRARY  SYNOPSIS  DESCRIPTION  RETURN VALUE  FILES  STANDARDS  HISTORY  SEE ALSO 

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NAME

PR_GET_NO_NEW_PRIVS − get the calling thread’s no_new_privs attribute

LIBRARY

Standard C library (libc, −lc)

SYNOPSIS

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

int prctl(PR_GET_NO_NEW_PRIVS, 0L, 0L, 0L, 0L);

DESCRIPTION

Return the value of the no_new_privs attribute for the calling thread. A value of 0 indicates the regular execve(2) behavior. A value of 1 indicates execve(2) will operate in the privilege-restricting mode described in PR_SET_NO_NEW_PRIVS(2const).

RETURN VALUE

On success, PR_GET_NO_NEW_PRIVS returns the boolean value described above. On error, −1 is returned, and errno is set to indicate the error.

FILES

/proc/pid/status

Since Linux 4.10, the value of a thread’s no_new_privs attribute can be viewed via the NoNewPrivs field in this file.

STANDARDS

Linux.

HISTORY

Linux 3.5.

SEE ALSO

prctl(2), PR_SET_NO_NEW_PRIVS(2const)

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