<p>I envison to have --quiet and --debugoutput FILENAME as options in the future. For an end-user it is difficult to separate application output/error from VM one (e.g. the infamous thread priority warning).</p>

<hr>

<h4>You can view, comment on, or merge this pull request online at:</h4>
<p>  <a href='https://github.com/OpenSmalltalk/opensmalltalk-vm/pull/395'>https://github.com/OpenSmalltalk/opensmalltalk-vm/pull/395</a></p>

<h4>Commit Summary</h4>
<ul>
  <li>debug: Prepare to let the app own stderr</li>
  <li>debug: Introduce the --quiet VM option to keep things silent</li>
</ul>

<h4>File Changes</h4>
<ul>
  <li>
    <strong>M</strong>
    <a href="https://github.com/OpenSmalltalk/opensmalltalk-vm/pull/395/files#diff-0">build.macos32x86/common/Makefile.vm</a>
    (2)
  </li>
  <li>
    <strong>M</strong>
    <a href="https://github.com/OpenSmalltalk/opensmalltalk-vm/pull/395/files#diff-1">build.macos64x64/common/Makefile.vm</a>
    (2)
  </li>
  <li>
    <strong>M</strong>
    <a href="https://github.com/OpenSmalltalk/opensmalltalk-vm/pull/395/files#diff-2">platforms/Cross/vm/sq.h</a>
    (7)
  </li>
  <li>
    <strong>M</strong>
    <a href="https://github.com/OpenSmalltalk/opensmalltalk-vm/pull/395/files#diff-3">platforms/iOS/vm/OSX/sqSqueakOSXApplication.m</a>
    (5)
  </li>
  <li>
    <strong>M</strong>
    <a href="https://github.com/OpenSmalltalk/opensmalltalk-vm/pull/395/files#diff-4">platforms/unix/misc/threadValidate/sqUnixHeartbeat.c</a>
    (6)
  </li>
  <li>
    <strong>M</strong>
    <a href="https://github.com/OpenSmalltalk/opensmalltalk-vm/pull/395/files#diff-5">platforms/unix/misc/threadValidate/threadValidate.c</a>
    (14)
  </li>
  <li>
    <strong>M</strong>
    <a href="https://github.com/OpenSmalltalk/opensmalltalk-vm/pull/395/files#diff-6">platforms/unix/vm/aio.c</a>
    (27)
  </li>
  <li>
    <strong>M</strong>
    <a href="https://github.com/OpenSmalltalk/opensmalltalk-vm/pull/395/files#diff-7">platforms/unix/vm/debug.c</a>
    (22)
  </li>
  <li>
    <strong>M</strong>
    <a href="https://github.com/OpenSmalltalk/opensmalltalk-vm/pull/395/files#diff-8">platforms/unix/vm/debug.h</a>
    (3)
  </li>
  <li>
    <strong>M</strong>
    <a href="https://github.com/OpenSmalltalk/opensmalltalk-vm/pull/395/files#diff-9">platforms/unix/vm/dlfcn-dyld.c</a>
    (20)
  </li>
  <li>
    <strong>M</strong>
    <a href="https://github.com/OpenSmalltalk/opensmalltalk-vm/pull/395/files#diff-10">platforms/unix/vm/sqUnixCharConv.c</a>
    (3)
  </li>
  <li>
    <strong>M</strong>
    <a href="https://github.com/OpenSmalltalk/opensmalltalk-vm/pull/395/files#diff-11">platforms/unix/vm/sqUnixExternalPrims.c</a>
    (46)
  </li>
  <li>
    <strong>M</strong>
    <a href="https://github.com/OpenSmalltalk/opensmalltalk-vm/pull/395/files#diff-12">platforms/unix/vm/sqUnixHeartbeat.c</a>
    (30)
  </li>
  <li>
    <strong>M</strong>
    <a href="https://github.com/OpenSmalltalk/opensmalltalk-vm/pull/395/files#diff-13">platforms/unix/vm/sqUnixITimerTickerHeartbeat.c</a>
    (6)
  </li>
  <li>
    <strong>M</strong>
    <a href="https://github.com/OpenSmalltalk/opensmalltalk-vm/pull/395/files#diff-14">platforms/unix/vm/sqUnixMain.c</a>
    (57)
  </li>
  <li>
    <strong>M</strong>
    <a href="https://github.com/OpenSmalltalk/opensmalltalk-vm/pull/395/files#diff-15">platforms/unix/vm/sqUnixMemory.c</a>
    (8)
  </li>
  <li>
    <strong>M</strong>
    <a href="https://github.com/OpenSmalltalk/opensmalltalk-vm/pull/395/files#diff-16">platforms/unix/vm/sqUnixSpurMemory.c</a>
    (4)
  </li>
  <li>
    <strong>M</strong>
    <a href="https://github.com/OpenSmalltalk/opensmalltalk-vm/pull/395/files#diff-17">platforms/unix/vm/sqaio.h</a>
    (2)
  </li>
</ul>

<h4>Patch Links:</h4>
<ul>
  <li><a href='https://github.com/OpenSmalltalk/opensmalltalk-vm/pull/395.patch'>https://github.com/OpenSmalltalk/opensmalltalk-vm/pull/395.patch</a></li>
  <li><a href='https://github.com/OpenSmalltalk/opensmalltalk-vm/pull/395.diff'>https://github.com/OpenSmalltalk/opensmalltalk-vm/pull/395.diff</a></li>
</ul>

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