services.c File Reference

#include "audiosrv.h"
#include <debug.h>

Include dependency graph for services.c:

Go to the source code of this file.

Macros
#define	NDEBUG

Functions
BOOL	WaitForService (SC_HANDLE hService, ULONG RetryCount)
BOOL	StartAudioService (SC_HANDLE hSCManager, LPWSTR ServiceName, ULONG RetryCount)
BOOL	StartSystemAudioServices (VOID)

Macro Definition Documentation

NDEBUG

#define NDEBUG

Definition at line 10 of file services.c.

Function Documentation

StartAudioService()

BOOL StartAudioService	(	SC_HANDLE	hSCManager,
		LPWSTR	ServiceName,
		ULONG	RetryCount
	)

Definition at line 43 of file services.c.

{
    SC_HANDLE hService;
    BOOL ret;
 
    hService = OpenService(hSCManager, ServiceName, SERVICE_ALL_ACCESS);
    if (!hService)
    {
        DPRINT("Failed to open service %S %x\n", ServiceName, GetLastError());
        return FALSE;
    }
 
    if (!StartService(hService, 0, NULL))
    {
        DPRINT("Failed to start service %S %x\n", ServiceName, GetLastError());
        CloseServiceHandle(hService);
        return FALSE;
    }
 
    ret = WaitForService(hService, RetryCount);
 
    CloseServiceHandle(hService);
    return ret;
}

Referenced by StartSystemAudioServices().

StartSystemAudioServices()

BOOL StartSystemAudioServices

(

VOID

)

Definition at line 72 of file services.c.

{
    SC_HANDLE hSCManager;
 
    DPRINT("Starting system audio services\n");
 
    hSCManager = OpenSCManager(NULL, NULL, SC_MANAGER_CONNECT);
    if (!hSCManager)
    {
        DPRINT("Failed to open service manager %x\n", GetLastError());
        return FALSE;
    }
 
    DPRINT("Starting sysaudio service\n");
    StartAudioService(hSCManager, L"sysaudio", 20);
    DPRINT("Starting wdmaud service\n");
    StartAudioService(hSCManager, L"wdmaud", 20);
 
    CloseServiceHandle(hSCManager);
    return TRUE;
}

Referenced by ServiceMain().

WaitForService()

BOOL WaitForService	(	SC_HANDLE	hService,
		ULONG	RetryCount
	)

Definition at line 14 of file services.c.

{
    ULONG Index = 0;
    DWORD dwSize;
    SERVICE_STATUS_PROCESS Info;
 
    do
    {
        if (!QueryServiceStatusEx(hService, SC_STATUS_PROCESS_INFO, (LPBYTE)&Info, sizeof(SERVICE_STATUS_PROCESS), &dwSize))
        {
            DPRINT("QueryServiceStatusEx failed %x\n", GetLastError());
            break;
        }
 
        if (Info.dwCurrentState == SERVICE_RUNNING)
            return TRUE;
 
        Sleep(1000);
 
    } while (Index++ < RetryCount);
 
    DPRINT("Timeout while waiting for service to become ready %p\n", hService);
 
    return FALSE;
}

Referenced by StartAudioService().