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applied patch from David Schleef <ds@schleef.org> which implements a

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Fri Feb 20 02:39:03 2004  Tim Janik  <timj@gtk.org>

        * applied patch from David Schleef <ds@schleef.org> which implements
        a G_MODULE_BIND_LOCAL flag to g_module_open() to disable global
        symbol registration.
This commit is contained in:
Tim Janik 2004-02-20 01:41:00 +00:00 committed by Tim Janik
parent fb464bde99
commit defca980e4
15 changed files with 85 additions and 15 deletions
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6
ChangeLog
View File

@ -1,3 +1,9 @@
Fri Feb 20 02:39:03 2004 Tim Janik <timj@gtk.org>
* applied patch from David Schleef <ds@schleef.org> which implements
a G_MODULE_BIND_LOCAL flag to g_module_open() to disable global
symbol registration.
Thu Feb 19 18:40:01 2004 Tim Janik <timj@gtk.org>
* glib/gstring.[hc]: for G_CAN_INLINE environments, inline

6
ChangeLog.pre-2-10
View File

@ -1,3 +1,9 @@
Fri Feb 20 02:39:03 2004 Tim Janik <timj@gtk.org>
* applied patch from David Schleef <ds@schleef.org> which implements
a G_MODULE_BIND_LOCAL flag to g_module_open() to disable global
symbol registration.
Thu Feb 19 18:40:01 2004 Tim Janik <timj@gtk.org>
* glib/gstring.[hc]: for G_CAN_INLINE environments, inline

6
ChangeLog.pre-2-12
View File

@ -1,3 +1,9 @@
Fri Feb 20 02:39:03 2004 Tim Janik <timj@gtk.org>
* applied patch from David Schleef <ds@schleef.org> which implements
a G_MODULE_BIND_LOCAL flag to g_module_open() to disable global
symbol registration.
Thu Feb 19 18:40:01 2004 Tim Janik <timj@gtk.org>
* glib/gstring.[hc]: for G_CAN_INLINE environments, inline

6
ChangeLog.pre-2-4
View File

@ -1,3 +1,9 @@
Fri Feb 20 02:39:03 2004 Tim Janik <timj@gtk.org>
* applied patch from David Schleef <ds@schleef.org> which implements
a G_MODULE_BIND_LOCAL flag to g_module_open() to disable global
symbol registration.
Thu Feb 19 18:40:01 2004 Tim Janik <timj@gtk.org>
* glib/gstring.[hc]: for G_CAN_INLINE environments, inline

6
ChangeLog.pre-2-6
View File

@ -1,3 +1,9 @@
Fri Feb 20 02:39:03 2004 Tim Janik <timj@gtk.org>
* applied patch from David Schleef <ds@schleef.org> which implements
a G_MODULE_BIND_LOCAL flag to g_module_open() to disable global
symbol registration.
Thu Feb 19 18:40:01 2004 Tim Janik <timj@gtk.org>
* glib/gstring.[hc]: for G_CAN_INLINE environments, inline

6
ChangeLog.pre-2-8
View File

@ -1,3 +1,9 @@
Fri Feb 20 02:39:03 2004 Tim Janik <timj@gtk.org>
* applied patch from David Schleef <ds@schleef.org> which implements
a G_MODULE_BIND_LOCAL flag to g_module_open() to disable global
symbol registration.
Thu Feb 19 18:40:01 2004 Tim Janik <timj@gtk.org>
* glib/gstring.[hc]: for G_CAN_INLINE environments, inline

10
docs/reference/glib/tmpl/modules.sgml
View File

@ -108,8 +108,8 @@ eventually that fails as well, %NULL is returned.
</para>
@file_name: the name of the file containing the module.
@flags: the flags used for opening the module. Currently this can be 0 or
#G_MODULE_BIND_LAZY for lazy binding, where symbols are only bound when needed.
@flags: the flags used for opening the module. This can be the logical
OR of any of the #GModuleFlags.
@Returns: a #GModule on success, or %NULL on failure.
@ -119,9 +119,15 @@ Flags passed to g_module_open().
#G_MODULE_BIND_LAZY specifies that symbols are only resolved when needed.
The default action is to bind all symbols when the module is loaded.
(#G_MODULE_BIND_LAZY is not supported on all platforms.)
#G_MODULE_BIND_LOCAL specifies that symbols in the module should
not be added to the global name space. The default action on most
platforms is to place symbols in the module in the global name space,
which may cause conflicts with existing symbols.
(#G_MODULE_BIND_LOCAL is not supported on all platforms.)
</para>
@G_MODULE_BIND_LAZY:
@G_MODULE_BIND_LOCAL:
@G_MODULE_BIND_MASK:
<!-- ##### FUNCTION g_module_symbol ##### -->

6
gmodule/gmodule-beos.c
View File

@ -48,6 +48,9 @@
* different image_id's. While this means that we don't have to worry about
* reference counts, it could lead to problems in the future....
* richard.
*
* load_add_on() apparently does not support lazy or local binding. Need
* to confirm that the actual behavior is non-lazy/local. --ds
*/
#include <Errors.h>
@ -56,7 +59,8 @@
/* --- functions --- */
static gpointer
_g_module_open (const gchar *file_name,
gboolean bind_lazy)
gboolean bind_lazy,
gboolean bind_local)
{
image_id handle;

6
gmodule/gmodule-dl.c
View File

@ -90,11 +90,13 @@ fetch_dlerror (gboolean replace_null)
static gpointer
_g_module_open (const gchar *file_name,
gboolean bind_lazy)
gboolean bind_lazy,
gboolean bind_local)
{
gpointer handle;
handle = dlopen (file_name, RTLD_GLOBAL | (bind_lazy ? RTLD_LAZY : RTLD_NOW));
handle = dlopen (file_name,
(bind_local ? 0 : RTLD_GLOBAL) | (bind_lazy ? RTLD_LAZY : RTLD_NOW));
if (!handle)
g_module_set_error (fetch_dlerror (TRUE));

14
gmodule/gmodule-dld.c
View File

@ -67,9 +67,21 @@
/* --- functions --- */
/*
* shl_load() does not appear to support making symbols invisible to
* the global namespace. However, the default is to put the library
* last in the search order, which is approximately what we want,
* since it will cause symbols that conflict with existing symbols to
* be invisible. It is unclear if BIND_FIRST should be used when
* bind_local==0, since it may cause the loaded symbols to be used
* preferentially to the application's symbols, which is Almost
* Always Wrong. --ds
*/
static gpointer
_g_module_open (const gchar *file_name,
gboolean bind_lazy)
gboolean bind_lazy,
gboolean bind_local)
{
shl_t shl_handle;

7
gmodule/gmodule-dyld.c
View File

@ -26,7 +26,8 @@ static gpointer self_module = GINT_TO_POINTER (1);
static gpointer
_g_module_open (const gchar *file_name,
gboolean bind_lazy)
gboolean bind_lazy,
gboolean bind_local)
{
NSObjectFileImage image;
NSObjectFileImageReturnCode ret;
@ -66,7 +67,9 @@ _g_module_open (const gchar *file_name,
return NULL;
}
options = NSLINKMODULE_OPTION_RETURN_ON_ERROR | NSLINKMODULE_OPTION_PRIVATE;
options = NSLINKMODULE_OPTION_RETURN_ON_ERROR;
if (bind_local)
options |= NSLINKMODULE_OPTION_PRIVATE;
if (!bind_lazy)
options |= NSLINKMODULE_OPTION_BINDNOW;
module = NSLinkModule (image, file_name, options);

6
gmodule/gmodule-os2.c
View File

@ -68,11 +68,13 @@
/* --- functions --- */
static gpointer
_g_module_open (const gchar *file_name,
gboolean bind_lazy)
gboolean bind_lazy,
gboolean bind_local)
{
gpointer handle;
handle = dlopen (file_name, RTLD_GLOBAL | (bind_lazy ? RTLD_LAZY : RTLD_NOW));
handle = dlopen (file_name,
(bind_local ? 0 : RTLD_GLOBAL) | (bind_lazy ? RTLD_LAZY : RTLD_NOW));
if (!handle)
g_module_set_error (dlerror ());

3
gmodule/gmodule-win32.c
View File

@ -52,7 +52,8 @@ set_error (void)
/* --- functions --- */
static gpointer
_g_module_open (const gchar *file_name,
gboolean bind_lazy)
gboolean bind_lazy,
gboolean bind_local)
{
HINSTANCE handle;
#ifdef G_WITH_CYGWIN

9
gmodule/gmodule.c
View File

@ -68,7 +68,8 @@ struct _GModule
/* --- prototypes --- */
static gpointer _g_module_open (const gchar *file_name,
gboolean bind_lazy);
gboolean bind_lazy,
gboolean bind_local);
static void _g_module_close (gpointer handle,
gboolean is_unref);
static gpointer _g_module_self (void);
@ -153,7 +154,8 @@ g_module_set_error (const gchar *error)
"not supported by this system"); return rv; }
static gpointer
_g_module_open (const gchar *file_name,
gboolean bind_lazy)
gboolean bind_lazy,
gboolean bind_local)
{
return NULL;
}
@ -384,7 +386,8 @@ g_module_open (const gchar *file_name,
name = real_name;
}
if (name)
handle = _g_module_open (name, (flags & G_MODULE_BIND_LAZY) != 0);
handle = _g_module_open (name, (flags & G_MODULE_BIND_LAZY) != 0,
(flags & G_MODULE_BIND_LOCAL) != 0);
}
else
g_module_set_error_unduped (g_strdup_printf ("unable to access file \"%s\"", file_name));

3
gmodule/gmodule.h
View File

@ -44,7 +44,8 @@ G_BEGIN_DECLS
typedef enum
{
G_MODULE_BIND_LAZY = 1 << 0,
G_MODULE_BIND_MASK = 0x01
G_MODULE_BIND_LOCAL = 1 << 1,
G_MODULE_BIND_MASK = 0x03
} GModuleFlags;
typedef struct _GModule GModule;