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Wrapping atexit() is a bad idea on Windows, where the EXE and each DLL

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2005-08-31  Tor Lillqvist  <tml@novell.com>

	* glib/gutils.h: Wrapping atexit() is a bad idea on Windows, where
	the EXE and each DLL have their own atexit function chains.

	#define g_atexit as atexit instead. This means it has a
	better chance of doing what the caller wants. For instance,
	gtkhtml calls g_atexit() registering a function in gtkhtml
	itself. This caused a crash when g_atexit() was implemented as a
	function in the GLib DLL. The gtkhtml DLL was already unloaded by
	the time the GLib DLL got unloaded.

	* glib/gutils.c: #undef the #define mentioned above, to also get a
	real g_atexit() into the DLL for backward compatibility. Document
	the Windows behaviour of g_atexit(), and document the varying ways
	atexit() can behave in the context of dynamically loaded modules
	on Unix.
This commit is contained in:
Tor Lillqvist
2005-08-31 21:02:47 +00:00
committed by Tor Lillqvist
parent 49003b01ff
commit 130763338c
5 changed files with 98 additions and 0 deletions
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@@ -1,3 +1,21 @@
2005-08-31 Tor Lillqvist <tml@novell.com>
* glib/gutils.h: Wrapping atexit() is a bad idea on Windows, where
the EXE and each DLL have their own atexit function chains.
#define g_atexit as atexit instead. This means it has a
better chance of doing what the caller wants. For instance,
gtkhtml calls g_atexit() registering a function in gtkhtml
itself. This caused a crash when g_atexit() was implemented as a
function in the GLib DLL. The gtkhtml DLL was already unloaded by
the time the GLib DLL got unloaded.
* glib/gutils.c: #undef the #define mentioned above, to also get a
real g_atexit() into the DLL for backward compatibility. Document
the Windows behaviour of g_atexit(), and document the varying ways
atexit() can behave in the context of dynamically loaded modules
on Unix.
2005-08-31 Matthias Clasen <mclasen@redhat.com>
* glib/glib.symbols: