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From: Sergey Zigachev via Gdb <gdb@sourceware.org>
To: gdb@sourceware.org
Subject: Re: Multi-threading support on DragonFlyBSD
Date: Sun, 9 Mar 2025 20:16:37 +0500	[thread overview]
Message-ID: <AS8PR05MB8230E8AB1FD0D4B3D8D0ECCD92D72@AS8PR05MB8230.eurprd05.prod.outlook.com> (raw)
In-Reply-To: <DB9PR05MB82353E274191A69996FF924D92CB2@DB9PR05MB8235.eurprd05.prod.outlook.com>

Ok, skimmed through linux target I saw this:

   /* In all-stop, give preference to the LWP that is being
      single-stepped.  There will be at most one, and it will be the
      LWP that the core is most interested in.  If we didn't do this,
      then we'd have to handle pending step SIGTRAPs somehow in case
      the core later continues the previously-stepped thread, as
      otherwise we'd report the pending SIGTRAP then, and the core, not
      having stepped the thread, wouldn't understand what the trap was
      for, and therefore would report it to the user as a random
      signal.  */

I guess this answers my question.


  reply	other threads:[~2025-03-09 15:17 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-03-05 10:22 Sergey Zigachev via Gdb
2025-03-09 15:16 ` Sergey Zigachev via Gdb [this message]
2025-03-10 16:22 ` Simon Marchi via Gdb
2025-03-11  7:59   ` Sergey Zigachev via Gdb
2025-03-11 14:37     ` Simon Marchi via Gdb
2025-03-12  4:12       ` Sergey Zigachev via Gdb

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