.\" FIXME: Document PR_TASK_PERF_EVENTS_DISABLE and
.\" PR_TASK_PERF_EVENTS_ENABLE (new in 2.6.32)
.\"
-.TH PRCTL 2 2010-05-13 "Linux" "Linux Programmer's Manual"
+.TH PRCTL 2 2011-09-17 "Linux" "Linux Programmer's Manual"
.SH NAME
prctl \- operations on a process
.SH SYNOPSIS
arguments with a significance depending on the first one.
The first argument can be:
.TP
-.BR PR_CAPBSET_READ " (since Linux 2.6.25)
+.BR PR_CAPBSET_READ " (since Linux 2.6.25)"
Return (as the function result) 1 if the capability specified in
.I arg2
is in the calling thread's capability bounding set,
.I /proc/sys/fs/suid_dumpable
in
.BR proc (5).)
+Processes that are not dumpable can not be attached via
+.BR ptrace(2)
+.BR PTRACE_ATTACH .
.TP
.BR PR_GET_DUMPABLE " (since Linux 2.3.20)"
Return (as the function result) the current state of the calling
its address space.
In late kill mode, the process is only killed when it accesses a corrupted page.
See
-.I sigaction(2)
+.BR sigaction (2)
for more information on the
.BR SIGBUS
signal.