NAME

       PR_MCE_KILL_SET - set the machine check memory corruption kill policy

LIBRARY

       Standard C library (libc, -lc)

SYNOPSIS

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

       int prctl(PR_MCE_KILL, PR_MCE_KILL_SET, long pol, 0L, 0L);

DESCRIPTION

       Use a thread-specific memory corruption kill policy.

       pol  defines  whether  the policy is early kill (PR_MCE_KILL_EARLY), late kill (PR_MCE_KILL_LATE), or the
       system-wide default (PR_MCE_KILL_DEFAULT).

       Early kill means that the thread receives a SIGBUS signal  as  soon  as  hardware  memory  corruption  is
       detected inside its address space.

       In  late  kill  mode, the process is killed only when it accesses a corrupted page.  See sigaction(2) for
       more information on the SIGBUS signal.

RETURN VALUE

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

ERRORS

       EINVAL pol is not a valid value.

STANDARDS

       Linux.

HISTORY

       Linux 2.6.32.

SEE ALSO

       prctl(2), PR_MCE_KILL(2const)

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