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Fix an fcntl example in perlopentut, spotted by MJD.
author
Rafael Garcia-Suarez
<rgarciasuarez@gmail.com>
Fri, 13 Feb 2004 21:11:25 +0000
(21:11 +0000)
committer
Rafael Garcia-Suarez
<rgarciasuarez@gmail.com>
Fri, 13 Feb 2004 21:11:25 +0000
(21:11 +0000)
p4raw-id: //depot/perl@22301
pod/perlopentut.pod
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diff --git
a/pod/perlopentut.pod
b/pod/perlopentut.pod
index
0b60096
..
3116f78
100644
(file)
--- a/
pod/perlopentut.pod
+++ b/
pod/perlopentut.pod
@@
-723,7
+723,9
@@
With descriptors that you haven't opened using C<sysopen>, such as
sockets, you can set them to be non-blocking using C<fcntl>:
use Fcntl;
- fcntl(Connection, F_SETFL, O_NONBLOCK)
+ my $old_flags = fcntl($handle, F_GETFL, 0)
+ or die "can't get flags: $!";
+ fcntl($handle, F_SETFL, $old_flags | O_NONBLOCK)
or die "can't set non blocking: $!";
Rather than losing yourself in a morass of twisting, turning C<ioctl>s,