Jeff Clites jeffstyr
jeffstyr
/ TestLockTimeoutViaUnfairScheduling.java
Created
October 10, 2012 00:48
tryLock() can timeout due to non-fair locking/scheduling effects
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| import java.util.ArrayList; | |
| import java.util.Date; | |
| import java.util.List; | |
| import java.util.concurrent.TimeUnit; | |
| import java.util.concurrent.locks.ReentrantLock; | |
| /** | |
| * javac TestLockTimeoutViaUnfairScheduling.java; java -cp . TestLockTimeoutViaUnfairScheduling | |
| */ | |
| public class TestLockTimeoutViaUnfairScheduling { |
jeffstyr
/ ForgottenLockTest.java
Created
July 26, 2012 07:55
Held locks do not all show up in stacktraces
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| import java.util.*; | |
| import java.util.concurrent.locks.*; | |
| /* | |
| javac ForgottenLockTest.java | |
| java -cp . ForgottenLockTest | |
| ^\ | |
| */ | |
| public class ForgottenLockTest { |
jeffstyr
/ patch-path.c.diff
Created
July 3, 2012 23:16
— forked from kontrafiktion/patch-path.c.diff
homebrew subversion unicode-path patch for svn 1.7.5
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| --- subversion/libsvn_subr/path.c.orig 2011-01-17 13:45:39.000000000 -0800 | |
| +++ subversion/libsvn_subr/path.c 2012-07-03 16:19:11.000000000 -0700 | |
| @@ -40,6 +40,9 @@ | |
| #include "dirent_uri.h" | |
| +#if defined(DARWIN) | |
| +#include <CoreFoundation/CoreFoundation.h> | |
| +#endif /* DARWIN */ | |
jeffstyr
/ Makefile.in.diff
Created
June 28, 2012 01:13
homebrew subversion perl bindings patch svn 1.7.5
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| --- Makefile.in.orig 2011-07-16 04:50:53.000000000 -0700 | |
| +++ Makefile.in 2012-06-27 21:21:27.000000000 -0700 | |
| @@ -736,7 +736,7 @@ | |
| ./config.status subversion/bindings/swig/perl/native/Makefile.PL | |
| $(SWIG_PL_DIR)/native/Makefile: $(SWIG_PL_DIR)/native/Makefile.PL | |
| - cd $(SWIG_PL_DIR)/native; $(PERL) Makefile.PL | |
| + cd $(SWIG_PL_DIR)/native; $(PERL) Makefile.PL PREFIX=$(prefix) INSTALLARCHLIB=$(swig_pldir) | |
| # There is a "readlink -f" command on some systems for the same purpose, |
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| Found one Java-level deadlock: | |
| ============================= | |
| "New I/O server worker #1-48": | |
| waiting to lock monitor 0x0000000059f639b0 (object 0x000000072bba4d90, a net.lag.kestrel.QueueCollection), | |
| which is held by "Hashed wheel timer #1" | |
| "Hashed wheel timer #1": | |
| waiting to lock monitor 0x000000005a9c4378 (object 0x000000072bb8c7a0, a net.lag.kestrel.PersistentQueue), | |
| which is held by "New I/O server worker #1-41" | |
| "New I/O server worker #1-41": | |
| waiting to lock monitor 0x0000000059f639b0 (object 0x000000072bba4d90, a net.lag.kestrel.QueueCollection), |
jeffstyr
/ TestVoldemortStoreClient.java
Created
September 12, 2011 06:31
Null reads under multithreaded usage of Voldemort's StoreClient
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| import voldemort.client.ClientConfig; | |
| import voldemort.client.SocketStoreClientFactory; | |
| import voldemort.client.StoreClient; | |
| import voldemort.client.StoreClientFactory; | |
| import voldemort.client.UpdateAction; | |
| import voldemort.versioning.Versioned; | |
| import java.util.ArrayList; | |
| import java.util.List; | |
| import java.util.concurrent.atomic.AtomicInteger; |