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/* Internal interfaces for the Windows code
Copyright (C) 1995-2019 Free Software Foundation, Inc.
This file is part of GDB.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include "gdbsupport/common-defs.h"
#include "nat/windows-nat.h"
void
windows_thread_info::suspend ()
{
if (suspended != 0)
return;
if (SuspendThread (h) == (DWORD) -1)
{
DWORD err = GetLastError ();
/* We get Access Denied (5) when trying to suspend
threads that Windows started on behalf of the
debuggee, usually when those threads are just
about to exit.
We can get Invalid Handle (6) if the main thread
has exited. */
if (err != ERROR_INVALID_HANDLE && err != ERROR_ACCESS_DENIED)
warning (_("SuspendThread (tid=0x%x) failed. (winerr %u)"),
(unsigned) tid, (unsigned) err);
suspended = -1;
}
else
suspended = 1;
}
void
windows_thread_info::resume ()
{
if (suspended > 0)
{
stopped_at_software_breakpoint = false;
if (ResumeThread (h) == (DWORD) -1)
{
DWORD err = GetLastError ();
warning (_("warning: ResumeThread (tid=0x%x) failed. (winerr %u)"),
(unsigned) tid, (unsigned) err);
}
}
suspended = 0;
}
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