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    <title>Changes in ex7.c</title>
    <description></description>
    <language>en</language>
    <copyright>Copyright 2025</copyright>
    <generator>Java</generator><item>
        <title>be37439ebbbdb2f81c3420c175a94aa72e59929c - Merge branch &apos;stefanozampini/useless-cast&apos; into &apos;main&apos;</title>
        <link>http://opengrok.kc2vjw.com:8080/history/petsc/src/sys/classes/viewer/tests/ex7.c#be37439ebbbdb2f81c3420c175a94aa72e59929c</link>
        <description>Merge branch &apos;stefanozampini/useless-cast&apos; into &apos;main&apos;Remove useless castSee merge request petsc/petsc!7894

            List of files:
            /petsc/src/sys/classes/viewer/tests/ex7.c</description>
        <pubDate>Mon, 21 Oct 2024 21:59:33 +0000</pubDate>
        <dc:creator>Satish Balay &lt;balay@mcs.anl.gov&gt;</dc:creator>
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<item>
        <title>300f171239eac29652a6d3566e5722b07669eda1 - brain dead fixes for useless casts in examples</title>
        <link>http://opengrok.kc2vjw.com:8080/history/petsc/src/sys/classes/viewer/tests/ex7.c#300f171239eac29652a6d3566e5722b07669eda1</link>
        <description>brain dead fixes for useless casts in examples

            List of files:
            /petsc/src/sys/classes/viewer/tests/ex7.c</description>
        <pubDate>Sat, 05 Oct 2024 12:48:40 +0000</pubDate>
        <dc:creator>Stefano Zampini &lt;stefano.zampini@gmail.com&gt;</dc:creator>
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        <title>fda22ce0288f038e74a7a161392fef83f72080b8 - Merge branch &apos;barry/2024-07-01/fix-petscoptionsgetviewer&apos; into &apos;main&apos;</title>
        <link>http://opengrok.kc2vjw.com:8080/history/petsc/src/sys/classes/viewer/tests/ex7.c#fda22ce0288f038e74a7a161392fef83f72080b8</link>
        <description>Merge branch &apos;barry/2024-07-01/fix-petscoptionsgetviewer&apos; into &apos;main&apos;The use case of PetscOptionsGetViewer() has evolved to no longer be the get/restore modelSee merge request petsc/petsc!7667

            List of files:
            /petsc/src/sys/classes/viewer/tests/ex7.c</description>
        <pubDate>Mon, 08 Jul 2024 14:32:23 +0000</pubDate>
        <dc:creator>Satish Balay &lt;balay@mcs.anl.gov&gt;</dc:creator>
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        <title>648c30bcb65f74c3cbd15d7a91a7ed7c1890e25b - The use case of PetscOptionsGetViewer() has evolved to no longer be the get/restore model</title>
        <link>http://opengrok.kc2vjw.com:8080/history/petsc/src/sys/classes/viewer/tests/ex7.c#648c30bcb65f74c3cbd15d7a91a7ed7c1890e25b</link>
        <description>The use case of PetscOptionsGetViewer() has evolved to no longer be the get/restore modelHence the code needs to be refactoredIntroduce PetscCallNull() and PetscCallMPINull() to simplify PETSC_VIEWER_XXXX_() routinesReported-by: James WrightThanks-to: Jeremy L Thompson

            List of files:
            /petsc/src/sys/classes/viewer/tests/ex7.c</description>
        <pubDate>Mon, 08 Jul 2024 14:32:22 +0000</pubDate>
        <dc:creator>Barry Smith &lt;bsmith@mcs.anl.gov&gt;</dc:creator>
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        <title>e6053022070e081b613bfa849d9b0e8935a67d1c - Merge branch &apos;barry/2023-11-21/fix-thread-safety-petscoptionsgetviewer&apos; into &apos;main&apos;</title>
        <link>http://opengrok.kc2vjw.com:8080/history/petsc/src/sys/classes/viewer/tests/ex7.c#e6053022070e081b613bfa849d9b0e8935a67d1c</link>
        <description>Merge branch &apos;barry/2023-11-21/fix-thread-safety-petscoptionsgetviewer&apos; into &apos;main&apos;Fix PetscOptionsGetViewer() so it works in a thread-safe waySee merge request petsc/petsc!7047

            List of files:
            /petsc/src/sys/classes/viewer/tests/ex7.c</description>
        <pubDate>Sat, 02 Dec 2023 18:20:39 +0000</pubDate>
        <dc:creator>Satish Balay &lt;balay@mcs.anl.gov&gt;</dc:creator>
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        <title>cd791dc2c132c70a186d4b461f371a0a6f494201 - Fix PetscOptionsGetViewer() so it works in a thread-safe way</title>
        <link>http://opengrok.kc2vjw.com:8080/history/petsc/src/sys/classes/viewer/tests/ex7.c#cd791dc2c132c70a186d4b461f371a0a6f494201</link>
        <description>Fix PetscOptionsGetViewer() so it works in a thread-safe wayWhen PetscOptionsGetViewer() returns, for example, PETSC_VIEWER_STDOUT_SELF the same object is sharedby all threads that call PetscOptionsGetViewer(). In the previous code PetscObjectReference() anddereference (via PetscViewerDestroy() where called on the viewer by multiple threads after the viewerwas accessed thus corrupting the object.This branch introduces a PetscOptionsRestoreViewer() that allows not doing the referencing and dereferencingon persistant viewers, thus removing the specific race condition above.Other possible solutions includeUse a lock on each PetscObjectReference/Dereference() just in case they are shared. Could be time consuming so onecould mark each object as either threadshared or independent and only do the locks on threadshared objects. This lowersthe cost but would require more extensive changes to PETSc infrastructure. And I do not know if this shared/not shared modelis what we need in the long run, though it might be.

            List of files:
            /petsc/src/sys/classes/viewer/tests/ex7.c</description>
        <pubDate>Tue, 21 Nov 2023 22:06:25 +0000</pubDate>
        <dc:creator>Barry Smith &lt;bsmith@mcs.anl.gov&gt;</dc:creator>
    </item>
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        <title>6c37f76f2ace6b1ab1a4a8f1d7a04dee3e7f2aa9 - Merge branch &apos;tisaac/feature-log-handler&apos; into &apos;main&apos;</title>
        <link>http://opengrok.kc2vjw.com:8080/history/petsc/src/sys/classes/viewer/tests/ex7.c#6c37f76f2ace6b1ab1a4a8f1d7a04dee3e7f2aa9</link>
        <description>Merge branch &apos;tisaac/feature-log-handler&apos; into &apos;main&apos;Deglobalize logging into PetscLogHandler and PetscLogStateSee merge request petsc/petsc!6709

            List of files:
            /petsc/src/sys/classes/viewer/tests/ex7.c</description>
        <pubDate>Thu, 27 Jul 2023 15:06:19 +0000</pubDate>
        <dc:creator>Satish Balay &lt;balay@mcs.anl.gov&gt;</dc:creator>
    </item>
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        <title>09222b14142ceaf2171009ab1b8ed257feccc12b - PetscViewer: Add PetscOptionsGetViewers() for multiple viewers</title>
        <link>http://opengrok.kc2vjw.com:8080/history/petsc/src/sys/classes/viewer/tests/ex7.c#09222b14142ceaf2171009ab1b8ed257feccc12b</link>
        <description>PetscViewer: Add PetscOptionsGetViewers() for multiple viewers- Add src/sys/classes/viewer/tests/ex7.c to test this function

            List of files:
            /petsc/src/sys/classes/viewer/tests/ex7.c</description>
        <pubDate>Fri, 14 Jul 2023 06:59:42 +0000</pubDate>
        <dc:creator>Toby Isaac &lt;toby.isaac@gmail.com&gt;</dc:creator>
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