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fork.2: Port access permission bits (ioperm()) are turned off in the child 

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
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Michael Kerrisk 2013-03-12 16:00:41 +01:00
parent 0bba64e4f4
commit acfd99254e
1 changed files with 7 additions and 1 deletions
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@ -36,7 +36,7 @@
.\" Greatly expanded, to describe all attributes that differ
.\" parent and child.
.\"
.TH FORK 2 2013-02-12 "Linux" "Linux Programmer's Manual"
.TH FORK 2 2013-03-12 "Linux" "Linux Programmer's Manual"
.SH NAME
fork \- create a child process
.SH SYNOPSIS
@ -122,6 +122,12 @@ The termination signal of the child is always
.B SIGCHLD
(see
.BR clone (2)).
.IP *
The port access permission bits set by
.BR ioperm (2)
are not inherited by the child;
the child must turn on any bits that it requires using
.BR ioperm (2).
.PP
Note the following further points:
.IP * 3