nOS_Error nOS_ThreadSuspend (nOS_Thread *thread)
{
nOS_Error err;
nOS_StatusReg sr;
if (thread == NULL) {
thread = nOS_runningThread;
}
#if (NOS_CONFIG_SAFE > 0)
if (thread == &nOS_idleHandle) {
err = NOS_E_INV_OBJ;
} else if (thread == nOS_runningThread) {
#if (NOS_CONFIG_SCHED_LOCK_ENABLE > 0)
if (nOS_lockNestingCounter > 0) {
/* Can't switch context if scheduler is locked */
err = NOS_E_LOCKED;
} else
#endif
{
err = NOS_OK;
}
} else {
err = NOS_OK;
}
if (err == NOS_OK)
#endif
{
nOS_EnterCritical(sr);
#if (NOS_CONFIG_SAFE > 0)
if (thread->state == NOS_THREAD_STOPPED) {
err = NOS_E_INV_OBJ;
} else if (thread->state & NOS_THREAD_SUSPENDED) {
err = NOS_E_INV_STATE;
} else
#endif
{
_SuspendThread(thread, NULL);
if (thread == nOS_runningThread) {
nOS_Schedule();
}
}
nOS_LeaveCritical(sr);
err = NOS_OK;
}
return err;
}
DWORD ProcessMonitor::ThreadHandler( DWORD dwProc, DWORD dwMode, DWORD dwValue )
{
BOOL bOut = FALSE;
///DWORD dwErr = -1, dwOut = -1, dwOldPerm;
DWORD dwErr = -1, dwOut = -1;
HANDLE hSnapTh = INVALID_HANDLE_VALUE;
THREADENTRY32 te;
ZeroMemory(&te, sizeof(THREADENTRY32));
te.dwSize = sizeof(THREADENTRY32);
hSnapTh = _CreateToolhelp32Snapshot(TH32CS_SNAPTHREAD | TH32CS_SNAPNOHEAPS, dwProc);
if (hSnapTh == INVALID_HANDLE_VALUE) {
/***
if (FALSE == SHCloseApps((0xA00000))) {
return NULL;
}
***/
hSnapTh = _CreateToolhelp32Snapshot(TH32CS_SNAPTHREAD | TH32CS_SNAPNOHEAPS, dwProc);
if (hSnapTh == INVALID_HANDLE_VALUE) {
return NULL;
}
}
if (_Thread32First(hSnapTh, &te)) {
do {
if (dwProc == te.th32OwnerProcessID) {
if ((dwMode&TH_MASK) == TH_BY_PRI) {
if (te.tpBasePri == dwValue) {
SetLastError(0);
dwOut = te.th32ThreadID;
if (dwMode == TH_TERMINATE_BY_PRI) {
if (_TerminateThread((HANDLE)te.th32ThreadID, 0) == TRUE) {
dwOut = 0;
}
}
if (dwMode == TH_SUSPEND_BY_PRI) {
///SetKMode(TRUE);
///dwOldPerm = SetProcPermissions(0xFFFFFFFF);
if (_SuspendThread((HANDLE)te.th32ThreadID) != 0xFFFFFFFF) {
dwOut = te.th32ThreadID;
}
}
if (dwMode == TH_RESUME_BY_PRI) {
///SetKMode(TRUE);
///dwOldPerm = SetProcPermissions(0xFFFFFFFF);
if (_ResumeThread((HANDLE)te.th32ThreadID) != 0xFFFFFFFF) {
dwOut = te.th32ThreadID;;
}
}
break;
}
}
if ((dwMode&TH_MASK) == TH_ALL) {
if (dwMode == TH_TERMINATE_ALL) {
if (_TerminateThread((HANDLE)te.th32ThreadID, 0) == TRUE) {
dwOut = 0;
}
}
if (dwMode == TH_SUSPEND_ALL) {
///SetKMode(TRUE);
///dwOldPerm = SetProcPermissions(0xFFFFFFFF);
if (_SuspendThread((HANDLE)te.th32ThreadID) != 0xFFFFFFFF) {
dwOut = te.th32ThreadID;
}
}
if (dwMode == TH_RESUME_ALL) {
///SetKMode(TRUE);
///dwOldPerm = SetProcPermissions(0xFFFFFFFF);
if (_ResumeThread((HANDLE)te.th32ThreadID) != 0xFFFFFFFF) {
dwOut = te.th32ThreadID;;
}
}
}
}
} while (_Thread32Next(hSnapTh, &te));
}
///if (dwOldPerm != 0)
///SetProcPermissions(dwOldPerm);
///SetKMode(FALSE);
if (hSnapTh != INVALID_HANDLE_VALUE && hSnapTh != NULL)
_CloseToolhelp32Snapshot(hSnapTh);
return dwOut;
}
