winedbg: Don't dereference possibly NULL thread pointer.
[wine/zf.git] / dlls / mmsystem.dll16 / winemm16.h
blob3d8e56679ad262bf3e674d640d4910997b172711
1 /*
2 * Copyright 1998, Luiz Otavio L. Zorzella
3 * 1999, Eric Pouech
5 * Purpose: multimedia declarations (internal to WINMM & MMSYSTEM DLLs)
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this library; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
22 #include "wine/mmsystem16.h"
23 #include "wownt32.h"
25 /* mmsystem (16 bit files) only functions */
26 void MMDRV_Init16(void);
27 void MMSYSTEM_MMTIME32to16(LPMMTIME16 mmt16, const MMTIME* mmt32) DECLSPEC_HIDDEN;
29 typedef LONG (*MCIPROC16)(DWORD, HDRVR16, WORD, DWORD, DWORD);
31 /* HANDLE16 -> HANDLE conversions */
32 #define HDRVR_32(h16) ((HDRVR)(ULONG_PTR)(h16))
33 #define HMIDI_32(h16) ((HMIDI)(ULONG_PTR)(h16))
34 #define HMIDIIN_32(h16) ((HMIDIIN)(ULONG_PTR)(h16))
35 #define HMIDIOUT_32(h16) ((HMIDIOUT)(ULONG_PTR)(h16))
36 #define HMIDISTRM_32(h16) ((HMIDISTRM)(ULONG_PTR)(h16))
37 #define HMIXER_32(h16) ((HMIXER)(ULONG_PTR)(h16))
38 #define HMIXEROBJ_32(h16) ((HMIXEROBJ)(ULONG_PTR)(h16))
39 #define HMMIO_32(h16) ((HMMIO)(ULONG_PTR)(h16))
40 #define HWAVE_32(h16) ((HWAVE)(ULONG_PTR)(h16))
41 #define HWAVEIN_32(h16) ((HWAVEIN)(ULONG_PTR)(h16))
42 #define HWAVEOUT_32(h16) ((HWAVEOUT)(ULONG_PTR)(h16))
44 /* HANDLE -> HANDLE16 conversions */
45 #define HDRVR_16(h32) (LOWORD(h32))
46 #define HMIDI_16(h32) (LOWORD(h32))
47 #define HMIDIIN_16(h32) (LOWORD(h32))
48 #define HMIDIOUT_16(h32) (LOWORD(h32))
49 #define HMIDISTRM_16(h32) (LOWORD(h32))
50 #define HMIXER_16(h32) (LOWORD(h32))
51 #define HMIXEROBJ_16(h32) (LOWORD(h32))
52 #define HMMIO_16(h32) (LOWORD(h32))
53 #define HWAVE_16(h32) (LOWORD(h32))
54 #define HWAVEIN_16(h32) (LOWORD(h32))
55 #define HWAVEOUT_16(h32) (LOWORD(h32))
57 typedef enum {
58 MMSYSTEM_MAP_NOMEM, /* ko, memory problem */
59 MMSYSTEM_MAP_MSGERROR, /* ko, unknown message */
60 MMSYSTEM_MAP_OK, /* ok, no memory allocated. to be sent to the proc. */
61 MMSYSTEM_MAP_OKMEM, /* ok, some memory allocated, need to call UnMapMsg. to be sent to the proc. */
62 } MMSYSTEM_MapType;
64 extern CRITICAL_SECTION mmdrv_cs DECLSPEC_HIDDEN;
66 enum MMSYSTEM_DriverType
68 MMSYSTDRV_MIXER,
69 MMSYSTDRV_MIDIIN,
70 MMSYSTDRV_MIDIOUT,
71 MMSYSTDRV_WAVEIN,
72 MMSYSTDRV_WAVEOUT,
73 MMSYSTDRV_MAX
76 extern struct mmsystdrv_thunk* MMSYSTDRV_AddThunk(DWORD callback, DWORD flags, enum MMSYSTEM_DriverType kind) DECLSPEC_HIDDEN;
77 extern void MMSYSTDRV_DeleteThunk(struct mmsystdrv_thunk* thunk) DECLSPEC_HIDDEN;
78 extern void MMSYSTDRV_SetHandle(struct mmsystdrv_thunk* thunk, void* h) DECLSPEC_HIDDEN;
79 extern void MMSYSTDRV_CloseHandle(void* h) DECLSPEC_HIDDEN;
80 extern DWORD MMSYSTDRV_Message(void* h, UINT msg, DWORD_PTR param1, DWORD_PTR param2) DECLSPEC_HIDDEN;
82 #define WINE_MMTHREAD_CREATED 0x4153494C /* "BSIL" */
83 #define WINE_MMTHREAD_DELETED 0xDEADDEAD
85 typedef struct {
86 DWORD dwSignature; /* 00 "BSIL" when ok, 0xDEADDEAD when being deleted */
87 DWORD dwCounter; /* 04 > 1 when in mmThread functions */
88 HANDLE hThread; /* 08 hThread */
89 DWORD dwThreadID; /* 0C */
90 DWORD fpThread; /* 10 address of thread proc (segptr or lin depending on dwFlags) */
91 DWORD dwThreadPmt; /* 14 parameter to be passed upon thread creation to fpThread */
92 LONG dwSignalCount; /* 18 counter used for signaling */
93 HANDLE hEvent; /* 1C event */
94 HANDLE hVxD; /* 20 return from OpenVxDHandle */
95 DWORD dwStatus; /* 24 0x00, 0x10, 0x20, 0x30 */
96 DWORD dwFlags; /* 28 dwFlags upon creation */
97 UINT16 hTask; /* 2C handle to created task */
98 } WINE_MMTHREAD;