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e118856430
This works by using semi-documented[1] exception to tell the debugger that a thread needs to have its name changed. If this exception is not caught and handled by something, it will crash the process, so we need to set up our own handler in case there's no debugger attached or the debugger can't handle this type of exception. Since SEH is not supported by gcc on i686 (at the moment), we need to use VEH instead. For completeness the MSVC-oriented code still uses SEH, although there is no reason why it shouldn't work with the VEH variant used by MinGW. VEH handler has to be set up somewhere (g_thread_win32_init () works nicely) and removed once it's not needed (g_thread_win32_process_detach () is added expressly for that purpose). Note that g_thread_win32_process_detach() is only called when glib is unloaded by FreeLibrary(), not when glib-using process is terminating. This exception is known to work with WinDbg, and adding support for it into GDB proved to be feasible (GDB patch will be sent upstream, eventually). [1] https://msdn.microsoft.com/en-us/library/xcb2z8hs%28v=vs.71%29.aspx https://bugzilla.gnome.org/show_bug.cgi?id=747478
42 lines
1.2 KiB
C
42 lines
1.2 KiB
C
/*
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* Copyright © 2011 Canonical Limited
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*
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* This library is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* licence, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, see <http://www.gnu.org/licenses/>.
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*
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* Author: Ryan Lortie <desrt@desrt.ca>
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*/
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#ifndef __GLIB_INIT_H__
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#define __GLIB_INIT_H__
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#include "gmessages.h"
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extern GLogLevelFlags g_log_always_fatal;
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extern GLogLevelFlags g_log_msg_prefix;
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void glib_init (void);
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void g_quark_init (void);
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#ifdef G_OS_WIN32
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#include <windows.h>
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void g_thread_win32_process_detach (void);
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void g_thread_win32_thread_detach (void);
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void g_thread_win32_init (void);
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void g_clock_win32_init (void);
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extern HMODULE glib_dll;
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#endif
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#endif /* __GLIB_INIT_H__ */
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