/**
* Implementation of VbglR3Init and VbglR3InitUser
*/
static int vbglR3Init(const char *pszDeviceName)
{
uint32_t cInits = ASMAtomicIncU32(&g_cInits);
Assert(cInits > 0);
if (cInits > 1)
{
/*
* This will fail if two (or more) threads race each other calling VbglR3Init.
* However it will work fine for single threaded or otherwise serialized
* processed calling us more than once.
*/
#ifdef RT_OS_WINDOWS
if (g_hFile == INVALID_HANDLE_VALUE)
#elif !defined (VBOX_VBGLR3_XFREE86)
if (g_File == NIL_RTFILE)
#else
if (g_File == -1)
#endif
return VERR_INTERNAL_ERROR;
return VINF_SUCCESS;
}
#if defined(RT_OS_WINDOWS)
if (g_hFile != INVALID_HANDLE_VALUE)
#elif !defined(VBOX_VBGLR3_XFREE86)
if (g_File != NIL_RTFILE)
#else
if (g_File != -1)
#endif
return VERR_INTERNAL_ERROR;
#if defined(RT_OS_WINDOWS)
/*
* Have to use CreateFile here as we want to specify FILE_FLAG_OVERLAPPED
* and possible some other bits not available thru iprt/file.h.
*/
HANDLE hFile = CreateFile(pszDeviceName,
GENERIC_READ | GENERIC_WRITE,
FILE_SHARE_READ | FILE_SHARE_WRITE,
NULL,
OPEN_EXISTING,
FILE_ATTRIBUTE_NORMAL | FILE_FLAG_OVERLAPPED,
NULL);
if (hFile == INVALID_HANDLE_VALUE)
return VERR_OPEN_FAILED;
g_hFile = hFile;
#elif defined(RT_OS_OS2)
/*
* We might wish to compile this with Watcom, so stick to
* the OS/2 APIs all the way. And in any case we have to use
* DosDevIOCtl for the requests, why not use Dos* for everything.
*/
HFILE hf = NULLHANDLE;
ULONG ulAction = 0;
APIRET rc = DosOpen((PCSZ)pszDeviceName, &hf, &ulAction, 0, FILE_NORMAL,
OPEN_ACTION_OPEN_IF_EXISTS,
OPEN_FLAGS_FAIL_ON_ERROR | OPEN_FLAGS_NOINHERIT | OPEN_SHARE_DENYNONE | OPEN_ACCESS_READWRITE,
NULL);
if (rc)
return RTErrConvertFromOS2(rc);
if (hf < 16)
{
HFILE ahfs[16];
unsigned i;
for (i = 0; i < RT_ELEMENTS(ahfs); i++)
{
ahfs[i] = 0xffffffff;
rc = DosDupHandle(hf, &ahfs[i]);
if (rc)
break;
}
if (i-- > 1)
{
ULONG fulState = 0;
rc = DosQueryFHState(ahfs[i], &fulState);
if (!rc)
{
fulState |= OPEN_FLAGS_NOINHERIT;
fulState &= OPEN_FLAGS_WRITE_THROUGH | OPEN_FLAGS_FAIL_ON_ERROR | OPEN_FLAGS_NO_CACHE | OPEN_FLAGS_NOINHERIT; /* Turn off non-participating bits. */
rc = DosSetFHState(ahfs[i], fulState);
}
if (!rc)
{
rc = DosClose(hf);
AssertMsg(!rc, ("%ld\n", rc));
hf = ahfs[i];
}
else
i++;
while (i-- > 0)
DosClose(ahfs[i]);
}
}
g_File = (RTFILE)hf;
#elif defined(VBOX_VBGLR3_XFREE86)
int File = xf86open(pszDeviceName, XF86_O_RDWR);
if (File == -1)
return VERR_OPEN_FAILED;
g_File = File;
#else
/* The default implementation. (linux, solaris, freebsd) */
RTFILE File;
int rc = RTFileOpen(&File, pszDeviceName, RTFILE_O_READWRITE | RTFILE_O_OPEN | RTFILE_O_DENY_NONE);
if (RT_FAILURE(rc))
return rc;
g_File = File;
#endif
#ifndef VBOX_VBGLR3_XFREE86
/*
* Create release logger
*/
PRTLOGGER pReleaseLogger;
static const char * const s_apszGroups[] = VBOX_LOGGROUP_NAMES;
int rc2 = RTLogCreate(&pReleaseLogger, 0, "all", "VBOX_RELEASE_LOG",
RT_ELEMENTS(s_apszGroups), &s_apszGroups[0], RTLOGDEST_USER, NULL);
/* This may legitimately fail if we are using the mini-runtime. */
if (RT_SUCCESS(rc2))
RTLogRelSetDefaultInstance(pReleaseLogger);
#endif
return VINF_SUCCESS;
}
/**
* Implementation of VbglR3Init and VbglR3InitUser
*/
static int vbglR3Init(const char *pszDeviceName)
{
uint32_t cInits = ASMAtomicIncU32(&g_cInits);
Assert(cInits > 0);
if (cInits > 1)
{
/*
* This will fail if two (or more) threads race each other calling VbglR3Init.
* However it will work fine for single threaded or otherwise serialized
* processed calling us more than once.
*/
#ifdef RT_OS_WINDOWS
if (g_hFile == INVALID_HANDLE_VALUE)
#elif !defined (VBOX_VBGLR3_XSERVER)
if (g_File == NIL_RTFILE)
#else
if (g_File == -1)
#endif
return VERR_INTERNAL_ERROR;
return VINF_SUCCESS;
}
#if defined(RT_OS_WINDOWS)
if (g_hFile != INVALID_HANDLE_VALUE)
#elif !defined(VBOX_VBGLR3_XSERVER)
if (g_File != NIL_RTFILE)
#else
if (g_File != -1)
#endif
return VERR_INTERNAL_ERROR;
#if defined(RT_OS_WINDOWS)
/*
* Have to use CreateFile here as we want to specify FILE_FLAG_OVERLAPPED
* and possible some other bits not available thru iprt/file.h.
*/
HANDLE hFile = CreateFile(pszDeviceName,
GENERIC_READ | GENERIC_WRITE,
FILE_SHARE_READ | FILE_SHARE_WRITE,
NULL,
OPEN_EXISTING,
FILE_ATTRIBUTE_NORMAL | FILE_FLAG_OVERLAPPED,
NULL);
if (hFile == INVALID_HANDLE_VALUE)
return VERR_OPEN_FAILED;
g_hFile = hFile;
#elif defined(RT_OS_OS2)
/*
* We might wish to compile this with Watcom, so stick to
* the OS/2 APIs all the way. And in any case we have to use
* DosDevIOCtl for the requests, why not use Dos* for everything.
*/
HFILE hf = NULLHANDLE;
ULONG ulAction = 0;
APIRET rc = DosOpen((PCSZ)pszDeviceName, &hf, &ulAction, 0, FILE_NORMAL,
OPEN_ACTION_OPEN_IF_EXISTS,
OPEN_FLAGS_FAIL_ON_ERROR | OPEN_FLAGS_NOINHERIT | OPEN_SHARE_DENYNONE | OPEN_ACCESS_READWRITE,
NULL);
if (rc)
return RTErrConvertFromOS2(rc);
if (hf < 16)
{
HFILE ahfs[16];
unsigned i;
for (i = 0; i < RT_ELEMENTS(ahfs); i++)
{
ahfs[i] = 0xffffffff;
rc = DosDupHandle(hf, &ahfs[i]);
if (rc)
break;
}
if (i-- > 1)
{
ULONG fulState = 0;
rc = DosQueryFHState(ahfs[i], &fulState);
if (!rc)
{
fulState |= OPEN_FLAGS_NOINHERIT;
fulState &= OPEN_FLAGS_WRITE_THROUGH | OPEN_FLAGS_FAIL_ON_ERROR | OPEN_FLAGS_NO_CACHE | OPEN_FLAGS_NOINHERIT; /* Turn off non-participating bits. */
rc = DosSetFHState(ahfs[i], fulState);
}
if (!rc)
{
rc = DosClose(hf);
AssertMsg(!rc, ("%ld\n", rc));
hf = ahfs[i];
}
else
i++;
while (i-- > 0)
DosClose(ahfs[i]);
}
}
g_File = (RTFILE)hf;
#elif defined(RT_OS_DARWIN)
/*
* Darwin is kind of special we need to engage the device via I/O first
* before we open it via the BSD device node.
*/
mach_port_t MasterPort;
kern_return_t kr = IOMasterPort(MACH_PORT_NULL, &MasterPort);
if (kr != kIOReturnSuccess)
return VERR_GENERAL_FAILURE;
CFDictionaryRef ClassToMatch = IOServiceMatching("org_virtualbox_VBoxGuest");
if (!ClassToMatch)
return VERR_GENERAL_FAILURE;
io_service_t ServiceObject = IOServiceGetMatchingService(kIOMasterPortDefault, ClassToMatch);
if (!ServiceObject)
return VERR_NOT_FOUND;
io_connect_t uConnection;
kr = IOServiceOpen(ServiceObject, mach_task_self(), VBOXGUEST_DARWIN_IOSERVICE_COOKIE, &uConnection);
IOObjectRelease(ServiceObject);
if (kr != kIOReturnSuccess)
return VERR_OPEN_FAILED;
RTFILE hFile;
int rc = RTFileOpen(&hFile, pszDeviceName, RTFILE_O_READWRITE | RTFILE_O_OPEN | RTFILE_O_DENY_NONE);
if (RT_FAILURE(rc))
{
IOServiceClose(uConnection);
return rc;
}
g_File = hFile;
g_uConnection = uConnection;
#elif defined(VBOX_VBGLR3_XSERVER)
int File = xf86open(pszDeviceName, XF86_O_RDWR);
if (File == -1)
return VERR_OPEN_FAILED;
g_File = File;
#else
/* The default implementation. (linux, solaris, freebsd, haiku) */
RTFILE File;
int rc = RTFileOpen(&File, pszDeviceName, RTFILE_O_READWRITE | RTFILE_O_OPEN | RTFILE_O_DENY_NONE);
if (RT_FAILURE(rc))
return rc;
g_File = File;
#endif
#ifndef VBOX_VBGLR3_XSERVER
/*
* Create release logger
*/
PRTLOGGER pReleaseLogger;
static const char * const s_apszGroups[] = VBOX_LOGGROUP_NAMES;
int rc2 = RTLogCreate(&pReleaseLogger, 0, "all", "VBOX_RELEASE_LOG",
RT_ELEMENTS(s_apszGroups), &s_apszGroups[0], RTLOGDEST_USER, NULL);
/* This may legitimately fail if we are using the mini-runtime. */
if (RT_SUCCESS(rc2))
RTLogRelSetDefaultInstance(pReleaseLogger);
#endif
return VINF_SUCCESS;
}
