Mercurial > hg > truffle
annotate ASSEMBLY_EXCEPTION @ 2030:fb712ff22571
7000559: G1: assertion failure !outer || (full_collections_started == _full_collections_completed + 1)
Summary: The concurrent marking thread can complete its operation and increment the full GC counter during a Full GC. This causes the nesting of increments to the start and end of Full GCs that we are expecting to be wrong. the fix is for the marking thread to join the suspendible thread set before incrementing the counter so that it's blocked until the Full GC (or any other safepoint) is finished. The change also includes some minor code cleanup (I renamed a parameter).
Reviewed-by: brutisso, ysr
author | tonyp |
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date | Tue, 14 Dec 2010 16:19:44 -0500 |
parents | c18cbe5936b8 |
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2 OPENJDK ASSEMBLY EXCEPTION | |
3 | |
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4 The OpenJDK source code made available by Oracle at openjdk.java.net and |
0 | 5 openjdk.dev.java.net ("OpenJDK Code") is distributed under the terms of the |
6 GNU General Public License <http://www.gnu.org/copyleft/gpl.html> version 2 | |
7 only ("GPL2"), with the following clarification and special exception. | |
8 | |
9 Linking this OpenJDK Code statically or dynamically with other code | |
10 is making a combined work based on this library. Thus, the terms | |
11 and conditions of GPL2 cover the whole combination. | |
12 | |
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13 As a special exception, Oracle gives you permission to link this |
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14 OpenJDK Code with certain code licensed by Oracle as indicated at |
0 | 15 http://openjdk.java.net/legal/exception-modules-2007-05-08.html |
16 ("Designated Exception Modules") to produce an executable, | |
17 regardless of the license terms of the Designated Exception Modules, | |
18 and to copy and distribute the resulting executable under GPL2, | |
19 provided that the Designated Exception Modules continue to be | |
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20 governed by the licenses under which they were offered by Oracle. |
0 | 21 |
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22 As such, it allows licensees and sublicensees of Oracle's GPL2 OpenJDK Code to |
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23 build an executable that includes those portions of necessary code that Oracle |
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24 could not provide under GPL2 (or that Oracle has provided under GPL2 with the |
0 | 25 Classpath exception). If you modify or add to the OpenJDK code, that new |
26 GPL2 code may still be combined with Designated Exception Modules if the | |
27 new code is made subject to this exception by its copyright holder. |