<p>Yeah, I just found it too.  In principle the closest errno would be EBADF though, which is not much more user-friendly :(.  So I'm not sure what the best response to this is.</p>
<blockquote>
<pre><code>   EBADF  cmd  is  F_SETLK  or  F_SETLKW and the file descriptor open mode
         doesn't match with the type of lock requested.
</code></pre>
</blockquote>
<p>(same as <code>write()</code> on an fd which was not opened for writing).</p>

<p style="font-size:small;-webkit-text-size-adjust:none;color:#666;">—<br />You are receiving this because you are subscribed to this thread.<br />Reply to this email directly, <a href="https://github.com/rpm-software-management/rpm/issues/355#issuecomment-343745434">view it on GitHub</a>, or <a href="https://github.com/notifications/unsubscribe-auth/ANb806HPWK4X_cE7Y3ocuTCIpbha-zehks5s1xBTgaJpZM4QZcpm">mute the thread</a>.<img alt="" height="1" src="https://github.com/notifications/beacon/ANb806rTG2on9TOM8g3T5xl3UDe8ajJwks5s1xBTgaJpZM4QZcpm.gif" width="1" /></p>
<div itemscope itemtype="http://schema.org/EmailMessage">
<div itemprop="action" itemscope itemtype="http://schema.org/ViewAction">
  <link itemprop="url" href="https://github.com/rpm-software-management/rpm/issues/355#issuecomment-343745434"></link>
  <meta itemprop="name" content="View Issue"></meta>
</div>
<meta itemprop="description" content="View this Issue on GitHub"></meta>
</div>

<script type="application/json" data-scope="inboxmarkup">{"api_version":"1.0","publisher":{"api_key":"05dde50f1d1a384dd78767c55493e4bb","name":"GitHub"},"entity":{"external_key":"github/rpm-software-management/rpm","title":"rpm-software-management/rpm","subtitle":"GitHub repository","main_image_url":"https://cloud.githubusercontent.com/assets/143418/17495839/a5054eac-5d88-11e6-95fc-7290892c7bb5.png","avatar_image_url":"https://cloud.githubusercontent.com/assets/143418/15842166/7c72db34-2c0b-11e6-9aed-b52498112777.png","action":{"name":"Open in GitHub","url":"https://github.com/rpm-software-management/rpm"}},"updates":{"snippets":[{"icon":"PERSON","message":"@sourcejedi in #355: Yeah, I just found it too.  In principle the closest errno would be EBADF though, which is not much more user-friendly :(.  So I'm not sure what the best response to this is.\r\n\r\n\u003e        EBADF  cmd  is  F_SETLK  or  F_SETLKW and the file descriptor open mode\r\n\u003e              doesn't match with the type of lock requested.\r\n\r\n(same as `write()` on an fd which was not opened for writing)."}],"action":{"name":"View Issue","url":"https://github.com/rpm-software-management/rpm/issues/355#issuecomment-343745434"}}}</script>