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[bug #39126] NSConditionLock -lockWhenCondition:beforeDate: bug
From:
Cameron Pulsford
Subject:
[bug #39126] NSConditionLock -lockWhenCondition:beforeDate: bug
Date:
2013年5月30日 19:18:50 +0000
User-agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_8_4) AppleWebKit/536.30.1 (KHTML, like Gecko) Version/6.0.5 Safari/536.30.1
URL:
<http://savannah.gnu.org/bugs/?39126>
Summary: NSConditionLock -lockWhenCondition:beforeDate: bug
Project: GNUstep
Submitted by: cpulsford
Submitted on: Thu 30 May 2013 07:18:49 PM GMT
Category: Base/Foundation
Severity: 3 - Normal
Item Group: Bug
Status: None
Privacy: Public
Assigned to: None
Open/Closed: Open
Discussion Lock: Any
_______________________________________________________
Details:
I'm running gnustep-base v1.24.4 with gcc v4.7.2 on debian wheezy and an intel
celeron processor.
I have attached a program that waits on a lock condition for 5 seconds. The
condition is set appropriately on a separate thread 10 seconds later, so the
-lockWhenCondition:beforeDate: call should fail after 5 seconds.
Here is the output when run in Xcode:
2013年05月30日 15:00:55.889 test[28892:707] Attempting lock...
2013年05月30日 15:01:00.890 test[28892:707] Done trying to lock, success: NO
-lockWhenCondition:beforeDate waits for 5 seconds, can not acquire the lock
and gives up.
When run under GNUstep I get this output:
2013年05月30日 15:10:56.658 test[31668] Attempting lock...
2013年05月30日 15:11:06.643 test[31668] Done trying to lock, success: YES
-lockWhenCondition:beforeDate: ends up waiting 10 seconds and returns YES,
where it should only wait 5 seconds and return NO.
I added some debug logs in the NSLock.m source file, and it looks like there
is something strange happening with the _condition (NSCondition) ivar but I am
not familiar enough to say one way or another.
_______________________________________________________
File Attachments:
-------------------------------------------------------
Date: Thu 30 May 2013 07:18:49 PM GMT Name: LockTest.zip Size: 2kB By:
cpulsford
<http://savannah.gnu.org/bugs/download.php?file_id=28212>
_______________________________________________________
Reply to this item at:
<http://savannah.gnu.org/bugs/?39126>
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- [bug #39126] NSConditionLock -lockWhenCondition:beforeDate: bug,
Cameron Pulsford <=