/**
* Start the kernel module.
*/
static kern_return_t vboxSfDwnModuleLoad(struct kmod_info *pKModInfo, void *pvData)
{
RT_NOREF(pKModInfo, pvData);
#ifdef DEBUG
printf("vboxSfDwnModuleLoad\n");
RTLogBackdoorPrintf("vboxSfDwnModuleLoad\n");
#endif
/*
* Initialize IPRT and the ring-0 guest library.
*/
int rc = RTR0Init(0);
if (RT_SUCCESS(rc))
{
rc = VbglR0SfInit();
if (RT_SUCCESS(rc))
{
/*
* Register the file system.
*/
rc = vfs_fsadd(&g_VBoxSfFsEntry, &g_pVBoxSfVfsTableEntry);
if (rc == 0)
{
/*
* Try find VBoxGuest and connect to the shared folders service on the host.
*/
/** @todo should we just ignore the error here and retry at mount time?
* Technically, VBoxGuest should be available since it's one of our
* dependencies... */
vboxSfDwnConnect();
/*
* We're done for now. We'll deal with
*/
LogRel(("VBoxSF: loaded\n"));
return KERN_SUCCESS;
}
printf("VBoxSF: vfs_fsadd failed: %d\n", rc);
RTLogBackdoorPrintf("VBoxSF: vfs_fsadd failed: %d\n", rc);
VbglR0SfTerm();
}
else
{
printf("VBoxSF: VbglR0SfInit failed: %d\n", rc);
RTLogBackdoorPrintf("VBoxSF: VbglR0SfInit failed: %Rrc\n", rc);
}
RTR0Term();
}
else
{
printf("VBoxSF: RTR0Init failed: %d\n", rc);
RTLogBackdoorPrintf("VBoxSF: RTR0Init failed: %Rrc\n", rc);
}
return KERN_FAILURE;
}
int RTLogBackdoorPrintf1(const char *pszFormat, ...)
{
va_list args;
LARGE_INTEGER time;
KeQueryTickCount(&time);
RTLogBackdoorPrintf("T=%RX64 ", time.QuadPart);
va_start(args, pszFormat);
RTLogFormatV(rtLogBackdoorOutput, NULL, pszFormat, args);
va_end(args);
return 0;
}
/**
* Stop the kernel module.
*/
static kern_return_t vboxSfDwnModuleUnload(struct kmod_info *pKModInfo, void *pvData)
{
RT_NOREF(pKModInfo, pvData);
#ifdef DEBUG
printf("vboxSfDwnModuleUnload\n");
RTLogBackdoorPrintf("vboxSfDwnModuleUnload\n");
#endif
/*
* Are we busy? If so fail. Otherwise try deregister the file system.
*/
if (g_cVBoxSfMounts > 0)
{
LogRel(("VBoxSF: Refusing to unload with %u active mounts\n", g_cVBoxSfMounts));
return KERN_NO_ACCESS;
}
if (g_pVBoxSfVfsTableEntry)
{
int rc = vfs_fsremove(g_pVBoxSfVfsTableEntry);
if (rc != 0)
{
LogRel(("VBoxSF: vfs_fsremove failed: %d\n", rc));
return KERN_NO_ACCESS;
}
}
/*
* Disconnect and terminate libraries we're using.
*/
if (g_SfClientDarwin.handle != NULL)
{
VbglR0SfDisconnect(&g_SfClientDarwin);
g_SfClientDarwin.handle = NULL;
}
if (g_pVBoxGuest)
{
g_pVBoxGuest->release();
g_pVBoxGuest = NULL;
}
VbglR0SfTerm();
RTR0Term();
return KERN_SUCCESS;
}
RTDECL(void) RTAssertMsg1(const char *pszExpr, unsigned uLine, const char *pszFile, const char *pszFunction)
{
/*
* Fill in the globals.
*/
ASMAtomicUoWritePtr(&g_pszRTAssertExpr, pszExpr);
ASMAtomicUoWritePtr(&g_pszRTAssertFile, pszFile);
ASMAtomicUoWritePtr(&g_pszRTAssertFunction, pszFunction);
ASMAtomicUoWriteU32(&g_u32RTAssertLine, uLine);
RTStrPrintf(g_szRTAssertMsg1, sizeof(g_szRTAssertMsg1),
"\n!!Assertion Failed!!\n"
"Expression: %s\n"
"Location : %s(%d) %s\n",
pszExpr, pszFile, uLine, pszFunction);
/*
* If not quiet, make noise.
*/
if (!RTAssertAreQuiet())
{
RTERRVARS SavedErrVars;
RTErrVarsSave(&SavedErrVars);
#ifdef IN_RING0
# ifdef IN_GUEST_R0
RTLogBackdoorPrintf("\n!!Assertion Failed!!\n"
"Expression: %s\n"
"Location : %s(%d) %s\n",
pszExpr, pszFile, uLine, pszFunction);
# endif
/** @todo fully integrate this with the logger... play safe a bit for now. */
rtR0AssertNativeMsg1(pszExpr, uLine, pszFile, pszFunction);
#else /* !IN_RING0 */
# if !defined(IN_RING3) && !defined(LOG_NO_COM)
# if 0 /* Enable this iff you have a COM port and really want this debug info. */
RTLogComPrintf("\n!!Assertion Failed!!\n"
"Expression: %s\n"
"Location : %s(%d) %s\n",
pszExpr, pszFile, uLine, pszFunction);
# endif
# endif
PRTLOGGER pLog = RTLogRelGetDefaultInstance();
if (pLog)
{
RTLogRelPrintf("\n!!Assertion Failed!!\n"
"Expression: %s\n"
"Location : %s(%d) %s\n",
pszExpr, pszFile, uLine, pszFunction);
# ifndef IN_RC /* flushing is done automatically in RC */
RTLogFlush(pLog);
# endif
}
# ifndef LOG_ENABLED
if (!pLog)
# endif
{
pLog = RTLogDefaultInstance();
if (pLog)
{
RTLogPrintf("\n!!Assertion Failed!!\n"
"Expression: %s\n"
"Location : %s(%d) %s\n",
pszExpr, pszFile, uLine, pszFunction);
# ifndef IN_RC /* flushing is done automatically in RC */
RTLogFlush(pLog);
# endif
}
}
# ifdef IN_RING3
/* print to stderr, helps user and gdb debugging. */
fprintf(stderr,
"\n!!Assertion Failed!!\n"
"Expression: %s\n"
"Location : %s(%d) %s\n",
VALID_PTR(pszExpr) ? pszExpr : "<none>",
VALID_PTR(pszFile) ? pszFile : "<none>",
uLine,
VALID_PTR(pszFunction) ? pszFunction : "");
fflush(stderr);
# endif
#endif /* !IN_RING0 */
RTErrVarsRestore(&SavedErrVars);
}
}
