mirror of
git://source.winehq.org/git/wine.git
synced 2024-09-14 18:45:38 +00:00
c7c217b31c
Sun Apr 12 12:22:23 1997 Andreas Mohr <100.30936@germany.net> * [files/drive.c] Fixed "no free space" problem with partition sizes between 1 and 2 GB (cluster_sectors may not exceed 0x40). * [windows/msgbox.c] [if1632/user.spec] [include/windows.h] Implemented MessageBoxIndirect16, corrected MSGBOXPARAMS16. * [loader/task.c] DOS environment strings may never exceed 127 chars -> truncate Unix environment strings if necessary. Sun Apr 12 02:51:44 1998 Dimitrie O. Paun <dimi@mail.cs.toronto.edu> * [files/*.c] All fprintf statements were converted to appropriate debug messages. * [tools/find_debug_channels] Updated comments at the beginning of the file. Sat Apr 11 15:27:21 1998 Alexandre Julliard <julliard@lrc.epfl.ch> * [loader/module.c] [loader/task.c] [scheduler/process.c] Moved some code around to prepare the ground for CreateProcess(). * [memory/environ.c] [loader/task.c] Moved Win32 environment strings functions to environ.c. Unified Win16 and Win32 environment management. * [scheduler/handle.c] [scheduler/k32obj.c] [scheduler/*.c] Implemented handle inheritance and DuplicateHandle(). * [scheduler/thread.c] Create a 16-bit stack for all threads. * [windows/dialog.c] Implemented DIALOGEX resource format. Fri Apr 10 20:21:51 1998 Marcus Meissner <marcus@mud.de> * [configure.in][include/acconfig.h][*/*][multimedia/*] Cleaned up the OSS detection stuff, added some more checks for headerfiles/functions. Removed a lot of OS specific #ifdefs. Lots of dependend multimedia cleanups. * [loader/pe_image.c] Enhanced comment, added missing reference count increase. * [ole/compobj.c] Replaced broken StringFromGUID2 by working one. * [misc/winsock.c] SO_LINGER uses unsigned 16 bit in Win16 and Win32, but unsigned int (32bit) for UNIX. * [memory/global.c] Allow realloc for lockcount 1 too. Fri Apr 10 15:27:34 1998 Morten Welinder <terra@diku.dk> * [graphics/x11drv/text.c] Handle control characters in trace. Ignore terminating newline. * [multimedia/init.c] (MULTIMEDIA_Init): Correct allocations. * [tools/examine-relay] Tidy up. * [windows/syscolor.c] Change highlight colour from lightblue to lightgray. This looks correct for menus. Fri Apr 10 01:49:58 1998 Douglas Ridgway <ridgway@winehq.com> * [configure.in] [Make.rules.in] Add check for c2man before using it. Fri Apr 10 02:59:21 1998 Douglas Ridgway <ridgway@winehq.com> * [DEVELOPERS-HINTS] Simple description of adding API calls. * [include/wintypes.h] [include/windows.h] Get rid of Winelib16, avoid declaring some illegal functions in Winelib, add prototypes for some enhanced metafile functions, fix GetTextExtentPoint32 declarations. * [relay32/gdi32.spec] [objects/enhmetafile.c] Cosmetic and functional improvements. * [include/wincon.h] [programs/view/*] Fixes, improved compatibility with native compilers. Thu Apr 9 15:48:49 1998 Ulrich Weigand <weigand@informatik.uni-erlangen.de> * [win32/kernel32.c] Implemented FT_Thunk / FT_Prolog / FT_Exit / FT_PrologPrime. Fixed Common32ThkLS thunk function. * [tools/build.c] [relay32/relay386.c] [if1632/relay.c] Changed relay code to allow register functions to modify stack layout. * [memory/selector.c] Implemented AllocMappedBuffer / FreeMappedBuffer. * [relay32/kernel32.spec] [if1632/kernel.spec] [win32/ordinals.c] Added names for undocumented functions. * [loader/module.c] Bugfix: LoadLibrary16 should *not* silently load 32-bit DLL. Thu Apr 9 03:54:58 1998 Jim Peterson <jspeter@birch.ee.vt.edu> * [windows/keyboard.c] Fix an erroneous test in TranslateAccelerator{16,32} for the end of the accelerator table. Thu Apr 8 20:36:28 1998 Uwe Bonnes <bon@elektron.ikp.physik.tu-darmstadt.de> * [misc/crtdll.c] Implement getenv. * [misc/commdlg.c] Make Get[Save/Open]FileName work in most situations. * [misc/lstr.c] Use wvsprintf32A instead of vsprintf in FormatMessage32X * [misc/version] Make NT3.50 a recognised version * [graphics/x11drv/graphics.c] Change the algorithme to draw arcs * [loader/resource.c] Return an empty buffer in LoadString32A if no resource found. * [win32/code_page.c] Try harder to get the right size in MultiByteToWideChar. * [win32/process.c] Call WinExec32 for CreateProcess32A. * [windows/user.c] Install default Int0 Handler in InitApp(). Thu Apr 8 19:29:48 1998 Eric Kohl <ekohl@abo.rhein-zeitung.de> * [misc/imagelist.c] Preliminary fix for drawing selected images. Various improvements. * [controls/progress.c][include/progress.c][include/commctrl.h] Added progress bar messages and styles for IE4.01 (dll version 4.72) compatibility. Fixed led size problem. * [controls/updown.c][include/commctrl.h] Added UDM_GETRANGE32 and UDM_SETRANGE32. * [objects/oembitmaps.c][include/windows.h][include/bitmaps/*] Added Win95 icons and fixed Win95 cursor and restore button bug. Now they should be visible. Sorry!!! * [relay32/comctl32.spec] Added most missing function names. Tue Apr 6 18:48:36 1998 Matthew Becker <mbecker@glasscity.net> * [objects/font.c] [if1632/gdi.spec] GetOutlineTextMetrics: stub * [objects/text.c] GetTextCharset should just call GetTextCharsetInfo. * [misc/mpr.c] [relay32/mpr.spec] WNetCachePassword: stub * [scheduler/thread.c] [relay32/user32.spec] AttachThreadInput: stub Updated documentation. * [objects/palette.c] Updated documentation. Tue Mar 31 17:06:30 1998 James Juran <jrj120@psu.edu> * [*/*.c] Finished fixing USER32 ordinal numbers in function documentation. Mon Mar 30 20:27:38 1998 Morten Welinder <terra@diku.dk> * [misc/debugstr.c] [include/debugstr.h] Moved _dumpstr from relay32/relay386.c. Improved control character handling. * [msdos/int21.c] Implement 215E00 -- get machine name. * [windows/winpos.c] SetWindowPos32: Make an extra sync when mapping managed windows. This makes sure the reconfigure event has been handled. See Mshearts' what's-your-name window. Mon Mar 30 01:13:50 1998 Alexander V. Lukyanov <lav@long.yar.ru> * [Makefile.in] Install includes from TOPSRCDIR.
266 lines
6.8 KiB
C
266 lines
6.8 KiB
C
/*
|
|
* KERNEL32 objects
|
|
*
|
|
* Copyright 1996 Alexandre Julliard
|
|
*/
|
|
|
|
#include <assert.h>
|
|
#include "winerror.h"
|
|
#include "k32obj.h"
|
|
#include "heap.h"
|
|
#include "process.h"
|
|
|
|
|
|
/* The declarations are here to avoid including a lot of unnecessary files */
|
|
extern const K32OBJ_OPS SEMAPHORE_Ops;
|
|
extern const K32OBJ_OPS EVENT_Ops;
|
|
extern const K32OBJ_OPS MUTEX_Ops;
|
|
extern const K32OBJ_OPS CRITICAL_SECTION_Ops;
|
|
extern const K32OBJ_OPS PROCESS_Ops;
|
|
extern const K32OBJ_OPS THREAD_Ops;
|
|
extern const K32OBJ_OPS FILE_Ops;
|
|
extern const K32OBJ_OPS MEM_MAPPED_FILE_Ops;
|
|
extern const K32OBJ_OPS CONSOLE_Ops;
|
|
|
|
static const K32OBJ_OPS K32OBJ_NullOps =
|
|
{
|
|
NULL, /* signaled */
|
|
NULL, /* satisfied */
|
|
NULL, /* add_wait */
|
|
NULL, /* remove_wait */
|
|
NULL, /* read */
|
|
NULL, /* write */
|
|
NULL /* destroy */
|
|
};
|
|
|
|
const K32OBJ_OPS * const K32OBJ_Ops[K32OBJ_NBOBJECTS] =
|
|
{
|
|
NULL,
|
|
&SEMAPHORE_Ops, /* K32OBJ_SEMAPHORE */
|
|
&EVENT_Ops, /* K32OBJ_EVENT */
|
|
&MUTEX_Ops, /* K32OBJ_MUTEX */
|
|
&CRITICAL_SECTION_Ops, /* K32OBJ_CRITICAL_SECTION */
|
|
&PROCESS_Ops, /* K32OBJ_PROCESS */
|
|
&THREAD_Ops, /* K32OBJ_THREAD */
|
|
&FILE_Ops, /* K32OBJ_FILE */
|
|
&K32OBJ_NullOps, /* K32OBJ_CHANGE */
|
|
&CONSOLE_Ops, /* K32OBJ_CONSOLE */
|
|
&K32OBJ_NullOps, /* K32OBJ_SCREEN_BUFFER */
|
|
&MEM_MAPPED_FILE_Ops, /* K32OBJ_MEM_MAPPED_FILE */
|
|
&K32OBJ_NullOps, /* K32OBJ_SERIAL */
|
|
&K32OBJ_NullOps, /* K32OBJ_DEVICE_IOCTL */
|
|
&K32OBJ_NullOps, /* K32OBJ_PIPE */
|
|
&K32OBJ_NullOps, /* K32OBJ_MAILSLOT */
|
|
&K32OBJ_NullOps, /* K32OBJ_TOOLHELP_SNAPSHOT */
|
|
&K32OBJ_NullOps /* K32OBJ_SOCKET */
|
|
};
|
|
|
|
typedef struct _NE
|
|
{
|
|
struct _NE *next;
|
|
K32OBJ *obj;
|
|
UINT32 len;
|
|
char name[1];
|
|
} NAME_ENTRY;
|
|
|
|
static NAME_ENTRY *K32OBJ_FirstEntry = NULL;
|
|
|
|
|
|
/***********************************************************************
|
|
* K32OBJ_IncCount
|
|
*/
|
|
void K32OBJ_IncCount( K32OBJ *ptr )
|
|
{
|
|
assert( ptr->type && ((unsigned)ptr->type < K32OBJ_NBOBJECTS) );
|
|
SYSTEM_LOCK();
|
|
ptr->refcount++;
|
|
SYSTEM_UNLOCK();
|
|
assert( ptr->refcount > 0 ); /* No wrap-around allowed */
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* K32OBJ_DecCount
|
|
*/
|
|
void K32OBJ_DecCount( K32OBJ *ptr )
|
|
{
|
|
NAME_ENTRY **pptr;
|
|
|
|
assert( ptr->type && ((unsigned)ptr->type < K32OBJ_NBOBJECTS) );
|
|
assert( ptr->refcount > 0 );
|
|
SYSTEM_LOCK();
|
|
if (--ptr->refcount)
|
|
{
|
|
SYSTEM_UNLOCK();
|
|
return;
|
|
}
|
|
|
|
/* Check if the object has a name entry and free it */
|
|
|
|
pptr = &K32OBJ_FirstEntry;
|
|
while (*pptr && ((*pptr)->obj != ptr)) pptr = &(*pptr)->next;
|
|
if (*pptr)
|
|
{
|
|
NAME_ENTRY *entry = *pptr;
|
|
*pptr = entry->next;
|
|
HeapFree( SystemHeap, 0, entry );
|
|
}
|
|
|
|
/* Free the object */
|
|
|
|
if (K32OBJ_Ops[ptr->type]->destroy) K32OBJ_Ops[ptr->type]->destroy( ptr );
|
|
SYSTEM_UNLOCK();
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* K32OBJ_IsValid
|
|
*
|
|
* Check if a pointer is a valid kernel object
|
|
*/
|
|
BOOL32 K32OBJ_IsValid( K32OBJ *ptr, K32OBJ_TYPE type )
|
|
{
|
|
if (IsBadReadPtr32( ptr, sizeof(*ptr) )) return FALSE;
|
|
return (ptr->type == type);
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* K32OBJ_AddName
|
|
*
|
|
* Add a name entry for an object. We don't check for duplicates here.
|
|
* FIXME: should use some sort of hashing.
|
|
*/
|
|
BOOL32 K32OBJ_AddName( K32OBJ *obj, LPCSTR name )
|
|
{
|
|
NAME_ENTRY *entry;
|
|
UINT32 len;
|
|
|
|
if (!name) return TRUE; /* Anonymous object */
|
|
len = strlen( name );
|
|
SYSTEM_LOCK();
|
|
if (!(entry = HeapAlloc( SystemHeap, 0, sizeof(NAME_ENTRY) + len )))
|
|
{
|
|
SYSTEM_UNLOCK();
|
|
SetLastError( ERROR_OUTOFMEMORY );
|
|
return FALSE;
|
|
}
|
|
entry->next = K32OBJ_FirstEntry;
|
|
entry->obj = obj;
|
|
lstrcpy32A( entry->name, name );
|
|
K32OBJ_FirstEntry = entry;
|
|
SYSTEM_UNLOCK();
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* K32OBJ_Create
|
|
*
|
|
* Create a named kernel object.
|
|
* Returns NULL if there was an error _or_ if the object already existed.
|
|
* The refcount of the object must be decremented once it is initialized.
|
|
*/
|
|
K32OBJ *K32OBJ_Create( K32OBJ_TYPE type, DWORD size, LPCSTR name,
|
|
DWORD access, SECURITY_ATTRIBUTES *sa, HANDLE32 *handle)
|
|
{
|
|
BOOL32 inherit = (sa && (sa->nLength>=sizeof(*sa)) && sa->bInheritHandle);
|
|
|
|
/* Check if the name already exists */
|
|
|
|
K32OBJ *obj = K32OBJ_FindName( name );
|
|
if (obj)
|
|
{
|
|
if (obj->type == type)
|
|
{
|
|
SetLastError( ERROR_ALREADY_EXISTS );
|
|
*handle = HANDLE_Alloc( PROCESS_Current(), obj, access, inherit );
|
|
}
|
|
else
|
|
{
|
|
SetLastError( ERROR_DUP_NAME );
|
|
*handle = INVALID_HANDLE_VALUE32;
|
|
}
|
|
K32OBJ_DecCount( obj );
|
|
return NULL;
|
|
}
|
|
|
|
/* Create the object */
|
|
|
|
SYSTEM_LOCK();
|
|
if (!(obj = HeapAlloc( SystemHeap, 0, size )))
|
|
{
|
|
SYSTEM_UNLOCK();
|
|
*handle = INVALID_HANDLE_VALUE32;
|
|
return NULL;
|
|
}
|
|
obj->type = type;
|
|
obj->refcount = 1;
|
|
|
|
/* Add a name for it */
|
|
|
|
if (!K32OBJ_AddName( obj, name ))
|
|
{
|
|
/* Don't call the destroy function, as the object wasn't
|
|
* initialized properly */
|
|
HeapFree( SystemHeap, 0, obj );
|
|
SYSTEM_UNLOCK();
|
|
*handle = INVALID_HANDLE_VALUE32;
|
|
return NULL;
|
|
}
|
|
|
|
/* Allocate a handle */
|
|
|
|
*handle = HANDLE_Alloc( PROCESS_Current(), obj, access, inherit );
|
|
SYSTEM_UNLOCK();
|
|
return obj;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* K32OBJ_FindName
|
|
*
|
|
* Find the object referenced by a given name.
|
|
* The reference count is incremented.
|
|
*/
|
|
K32OBJ *K32OBJ_FindName( LPCSTR name )
|
|
{
|
|
NAME_ENTRY *entry;
|
|
UINT32 len;
|
|
|
|
if (!name) return NULL; /* Anonymous object */
|
|
len = strlen( name );
|
|
SYSTEM_LOCK();
|
|
entry = K32OBJ_FirstEntry;
|
|
while (entry)
|
|
{
|
|
if ((len == entry->len) && !lstrcmp32A( name, entry->name))
|
|
{
|
|
K32OBJ *obj = entry->obj;
|
|
K32OBJ_IncCount( obj );
|
|
SYSTEM_UNLOCK();
|
|
return entry->obj;
|
|
}
|
|
entry = entry->next;
|
|
}
|
|
SYSTEM_UNLOCK();
|
|
return NULL;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* K32OBJ_FindNameType
|
|
*
|
|
* Find an object by name and check its type.
|
|
* The reference count is incremented.
|
|
*/
|
|
K32OBJ *K32OBJ_FindNameType( LPCSTR name, K32OBJ_TYPE type )
|
|
{
|
|
K32OBJ *obj = K32OBJ_FindName( name );
|
|
if (!obj) return NULL;
|
|
if (obj->type == type) return obj;
|
|
SetLastError( ERROR_DUP_NAME );
|
|
K32OBJ_DecCount( obj );
|
|
return NULL;
|
|
}
|