From 15978375e3ac30958ab56d2e88249ad742eecd30 Mon Sep 17 00:00:00 2001
From: Jarkko Hietaniemi <jhi@iki.fi>
Date: Tue, 1 Apr 2003 16:17:04 +0000
Subject: Document the _exit() issue with threads in Linux [perl #17057].

p4raw-id: //depot/perl@19118
---
 ext/POSIX/POSIX.pod | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'ext')

diff --git a/ext/POSIX/POSIX.pod b/ext/POSIX/POSIX.pod
index dd2071bfb4..d16bc3280f 100644
--- a/ext/POSIX/POSIX.pod
+++ b/ext/POSIX/POSIX.pod
@@ -68,6 +68,12 @@ all.  This could be construed to be a bug.
 This is identical to the C function C<_exit()>.  It exits the program
 immediately which means among other things buffered I/O is B<not> flushed.
 
+Note that when using threads and in Linux this is B<not> a good way to
+exit a thread because in Linux processes and threads are kind of the
+same thing (Note: while this is the situation in early 2003 there are
+projects under way to have threads with more POSIXly semantics in Linux).
+If you want not to return from a thread, detach the thread.
+
 =item abort
 
 This is identical to the C function C<abort()>.  It terminates the
-- 
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