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gdi32: Convert the driver list to a standard Wine list.

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This commit is contained in:
Alexandre Julliard 2010-04-20 13:20:49 +02:00
parent f375123f01
commit 3858ad7bd3
1 changed files with 17 additions and 27 deletions
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44
dlls/gdi32/driver.c
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@ -33,20 +33,20 @@
#include "gdi_private.h"
#include "wine/unicode.h"
#include "wine/list.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(driver);
struct graphics_driver
{
struct graphics_driver *next;
struct graphics_driver *prev;
struct list entry;
HMODULE module; /* module handle */
unsigned int count; /* reference count */
DC_FUNCTIONS funcs;
};
static struct graphics_driver *first_driver;
static struct list drivers = LIST_INIT( drivers );
static struct graphics_driver *display_driver;
static CRITICAL_SECTION driver_section;
@ -68,8 +68,6 @@ static struct graphics_driver *create_driver( HMODULE module )
struct graphics_driver *driver;
if (!(driver = HeapAlloc( GetProcessHeap(), 0, sizeof(*driver)))) return NULL;
driver->next = NULL;
driver->prev = NULL;
driver->module = module;
driver->count = 1;
@ -213,10 +211,7 @@ static struct graphics_driver *create_driver( HMODULE module )
}
else memset( &driver->funcs, 0, sizeof(driver->funcs) );
/* add it to the list */
driver->prev = NULL;
if ((driver->next = first_driver)) driver->next->prev = driver;
first_driver = driver;
list_add_head( &drivers, &driver->entry );
return driver;
}
@ -293,7 +288,7 @@ const DC_FUNCTIONS *DRIVER_load_driver( LPCWSTR name )
if ((module = GetModuleHandleW( name )))
{
for (driver = first_driver; driver; driver = driver->next)
LIST_FOR_EACH_ENTRY( driver, &drivers, struct graphics_driver, entry )
{
if (driver->module == module)
{
@ -333,9 +328,9 @@ const DC_FUNCTIONS *DRIVER_get_driver( const DC_FUNCTIONS *funcs )
struct graphics_driver *driver;
EnterCriticalSection( &driver_section );
for (driver = first_driver; driver; driver = driver->next)
LIST_FOR_EACH_ENTRY( driver, &drivers, struct graphics_driver, entry )
if (&driver->funcs == funcs) break;
if (!driver) ERR( "driver not found, trouble ahead\n" );
if (&driver->entry == &drivers) ERR( "driver not found, trouble ahead\n" );
driver->count++;
LeaveCriticalSection( &driver_section );
return funcs;
@ -353,21 +348,16 @@ void DRIVER_release_driver( const DC_FUNCTIONS *funcs )
EnterCriticalSection( &driver_section );
for (driver = first_driver; driver; driver = driver->next)
if (&driver->funcs == funcs) break;
if (!driver) goto done;
if (--driver->count) goto done;
/* removed last reference, free it */
if (driver->next) driver->next->prev = driver->prev;
if (driver->prev) driver->prev->next = driver->next;
else first_driver = driver->next;
if (driver == display_driver) display_driver = NULL;
FreeLibrary( driver->module );
HeapFree( GetProcessHeap(), 0, driver );
done:
LIST_FOR_EACH_ENTRY( driver, &drivers, struct graphics_driver, entry )
{
if (&driver->funcs != funcs) continue;
if (--driver->count) break;
list_remove( &driver->entry );
if (driver == display_driver) display_driver = NULL;
FreeLibrary( driver->module );
HeapFree( GetProcessHeap(), 0, driver );
break;
}
LeaveCriticalSection( &driver_section );
}