Bug #1344: sleep(0) sleeps forever on Mac OSX 10.4

• Status: Third Party's Issue
• Assignee: -
• Target version: 1.9.0-5
• ruby -v: ruby 1.9.1p0 (2009-01-30 revision 21907) [i386-darwin8.11.1]

[sean.ohalpin (Sean O'Halpin)]

=begin
Instead of not sleeping at all, sleep(0) sleeps forever on Mac OSX 10.4. Multiruby output below:

$ uname -a
Darwin xxxx 8.11.1 Darwin Kernel Version 8.11.1: Wed Oct 10 18:23:28 PDT 2007; root:xnu-792.25.20~1/RELEASE_I386 i386 i386
$ multiruby -rtimeout -e 'Timeout::timeout(2) { sleep(0) }'
VERSION = jruby-1.1.6
CMD = ~/.multiruby/install/jruby-1.1.6/bin/ruby -rtimeout -e Timeout::timeout(2) { sleep(0) }
RESULT = 0

VERSION = jruby-1.2.0RC2
CMD = ~/.multiruby/install/jruby-1.2.0RC2/bin/ruby -rtimeout -e Timeout::timeout(2) { sleep(0) }
RESULT = 0

VERSION = 1.8.7-p72
CMD = ~/.multiruby/install/1.8.7-p72/bin/ruby -rtimeout -e Timeout::timeout(2) { sleep(0) }
RESULT = 0

VERSION = v1_8_6_110
CMD = ~/.multiruby/install/v1_8_6_110/bin/ruby -rtimeout -e Timeout::timeout(2) { sleep(0) }
RESULT = 0

VERSION = v1_9_1_0
CMD = ~/.multiruby/install/v1_9_1_0/bin/ruby -rtimeout -e Timeout::timeout(2) { sleep(0) }
-e:1:in sleep': execution expired (Timeout::Error) from -e:1:in block in '
from -e:1:in `'

RESULT = 256

TOTAL RESULT = 1 failures out of 5

Passed: jruby-1.2.0RC2, jruby-1.1.6, v1_8_6_110, 1.8.7-p72
Failed: v1_9_1_0
=end

[nobu (Nobuyoshi Nakada)]

=begin
Hi,

At Wed, 1 Apr 2009 17:33:51 +0900,
Sean O'Halpin wrote in [ruby-core:23094]:

Instead of not sleeping at all, sleep(0) sleeps forever on
Mac OSX 10.4. Multiruby output below:

Seems only on OS X 10.4. It worked fine on 10.5.

Could you tell where it stops?

--
Nobu Nakada

=end

[akr (Akira Tanaka)]

=begin
It may be related to follows.

"pthread_cond_timedwait() bug in Tiger?"
http://lists.apple.com/archives/darwin-dev/2005/May/msg00148.html
http://lists.apple.com/archives/Darwin-dev/2005/Jun/msg00174.html
=end

[nobu (Nobuyoshi Nakada)]

• Status changed from Open to Third Party's Issue

=begin

=end