#include <winsvc.h>

Include dependency graph for audiosrv.h:

This graph shows which files directly or indirectly include this file:

Classes
struct	PnP_AudioDevice

struct	PnP_AudioHeader

Macros
#define	SERVICE_NAME L"AudioSrv"

#define	AUDIO_LIST_LOCK_NAME L"Global\\AudioDeviceListLock"

#define	AUDIO_LIST_NAME L"Global\\AudioDeviceList"

#define	AUDIO_LIST_MAX_SIZE 65536

#define	WideStringSize(str) ( (lstrlenW(str) + 1) * sizeof(WCHAR) )

Functions
BOOL	InitializeAudioDeviceListLock (VOID)

VOID	KillAudioDeviceListLock (VOID)

VOID	LockAudioDeviceList (VOID)

VOID	UnlockAudioDeviceList (VOID)

Macro Definition Documentation

◆ AUDIO_LIST_LOCK_NAME

#define AUDIO_LIST_LOCK_NAME L"Global\\AudioDeviceListLock"

Definition at line 19 of file audiosrv.h.

◆ AUDIO_LIST_MAX_SIZE

#define AUDIO_LIST_MAX_SIZE 65536

Definition at line 25 of file audiosrv.h.

◆ AUDIO_LIST_NAME

#define AUDIO_LIST_NAME L"Global\\AudioDeviceList"

Definition at line 22 of file audiosrv.h.

◆ SERVICE_NAME

#define SERVICE_NAME L"AudioSrv"

Definition at line 15 of file audiosrv.h.

◆ WideStringSize

#define WideStringSize ( str ) ( (lstrlenW(str) + 1) * sizeof(WCHAR) )

Definition at line 45 of file audiosrv.h.

Function Documentation

◆ InitializeAudioDeviceListLock()

BOOL InitializeAudioDeviceListLock ( VOID )

Definition at line 16 of file pnp_list_lock.c.

 {
     /* The security stuff is to make sure the mutex can be grabbed by
        other processes - is this the best idea though ??? */
 
     SECURITY_DESCRIPTOR security_descriptor;
     SECURITY_ATTRIBUTES security;
 
     InitializeSecurityDescriptor(&security_descriptor, SECURITY_DESCRIPTOR_REVISION);
     SetSecurityDescriptorDacl(&security_descriptor, TRUE, 0, FALSE);
 
     security.nLength = sizeof(SECURITY_ATTRIBUTES);
     security.lpSecurityDescriptor = &security_descriptor;
     security.bInheritHandle = FALSE;
 
     audio_device_list_lock = CreateMutex(&security,
                                          FALSE,
                                          AUDIO_LIST_LOCK_NAME);
 
     return (audio_device_list_lock != NULL);
 }

Referenced by CreateAudioDeviceList().

◆ KillAudioDeviceListLock()

VOID KillAudioDeviceListLock ( VOID )

Definition at line 39 of file pnp_list_lock.c.

 {
     CloseHandle(audio_device_list_lock);
     audio_device_list_lock = NULL;
 }

Referenced by CreateAudioDeviceList(), and DestroyAudioDeviceList().

◆ LockAudioDeviceList()

VOID LockAudioDeviceList ( VOID )

Definition at line 46 of file pnp_list_lock.c.

 {
     assert(audio_device_list_lock != NULL);
     WaitForSingleObject(audio_device_list_lock, INFINITE);
 }

Referenced by AppendAudioDeviceToList(), CreateAudioDeviceList(), and DestroyAudioDeviceList().

◆ UnlockAudioDeviceList()

VOID UnlockAudioDeviceList ( VOID )

Definition at line 53 of file pnp_list_lock.c.

 {
     assert(audio_device_list_lock != NULL);
     ReleaseMutex(audio_device_list_lock);
 }