void dgWorld::RunStep ()
{
static int zzzz;
if (zzzz == 50) {
DG_START_RECORDING("../../../../sdk/dProfiler/xxxx.tt");
}
if (zzzz == 500) {
DG_STOP_RECORDING();
}
zzzz++;
DG_TRACKTIME(__FUNCTION__);
dgUnsigned64 timeAcc = dgGetTimeInMicrosenconds();
dgFloat32 step = m_savetimestep / m_numberOfSubsteps;
for (dgUnsigned32 i = 0; i < m_numberOfSubsteps; i ++) {
dgInterlockedExchange(&m_delayDelateLock, 1);
StepDynamics (step);
dgInterlockedExchange(&m_delayDelateLock, 0);
dgDeadBodies& bodyList = *this;
dgDeadJoints& jointList = *this;
jointList.DestroyJoints (*this);
bodyList.DestroyBodies (*this);
}
const dgBodyMasterList* const masterList = this;
dgBodyMasterList::dgListNode* node = masterList->GetFirst();
const dgInt32 threadsCount = GetThreadCount();
for (dgInt32 i = 0; i < threadsCount; i++) {
QueueJob(UpdateTransforms, this, node, "dgWorld::UpdateTransforms");
node = node ? node->GetNext() : NULL;
}
SynchronizationBarrier();
if (m_postUpdateCallback) {
m_postUpdateCallback (this, m_savetimestep);
}
m_lastExecutionTime = (dgGetTimeInMicrosenconds() - timeAcc) * dgFloat32 (1.0e-6f);
if (!m_concurrentUpdate) {
m_mutex.Release();
}
}
void dgWorld::ExecuteUserJob (dgWorkerThreadTaskCallback userJobKernel, void* const userJobKernelContext, const char* const functionName)
{
QueueJob (userJobKernel, this, userJobKernelContext, functionName);
}
void dgWorld::ExecuteUserJob (dgWorkerThreadTaskCallback userJobKernel, void* const userJobKernelContext)
{
QueueJob (userJobKernel, this, userJobKernelContext);
}
/*>int main(int argc, char **argv)
-------------------------------
*//**
Main program
- 16.10.15 Original By: ACRM
*/
int main(int argc, char **argv)
{
BOOL runDaemon = FALSE,
listJobs = FALSE;
int progArg = (-1),
verbose = 0,
jobInfoID = 0,
sleepTime = DEF_POLLTIME,
maxWait = DEF_WAITTIME;
char queueDir[MAXBUFF];
uid_t uid;
gid_t gid;
if(ParseCmdLine(argc, argv, &runDaemon, &progArg, &sleepTime,
&verbose, queueDir, &maxWait, &listJobs,
&jobInfoID))
{
char lockFullFile[MAXBUFF];
sprintf(lockFullFile, "%s/%s", queueDir, LOCKFILE);
MakeDirectory(queueDir);
if(runDaemon)
{
if(!IsRootUser(&uid, &gid))
{
Message(PROGNAME, MSG_FATAL,
"With -run, the program must be run as root.");
}
unlink(lockFullFile);
SpawnJobRunner(queueDir, sleepTime, verbose);
}
else if (listJobs)
{
ListJobs(queueDir, verbose);
}
else if(jobInfoID)
{
CountdownJob(queueDir, jobInfoID, sleepTime);
}
else
{
int nJobs,
jobID;
char msg[MAXBUFF];
if(IsRootUser(&uid, &gid))
{
Message(PROGNAME, MSG_FATAL,
"Jobs may not be submitted by root");
}
jobID = QueueJob(queueDir, lockFullFile, argv+progArg,
argc-progArg, maxWait, &nJobs);
sprintf(msg, "Submitted job id: %d", jobID);
Message(PROGNAME, MSG_INFO, msg);
if(verbose)
{
sprintf(msg, "There are now %d jobs in the queue", nJobs);
Message(PROGNAME, MSG_INFO, msg);
}
}
}
else
{
UsageDie();
}
return(0);
}
UINT WINAPI TimerThread(LPVOID lpVoid)
{
LPTIMER lpTimer, lpNTimer;
UINT64 ui64;
DWORD dwResult, dwSleep, dwShift;
dwSleep = INFINITE;
dwResult = WAIT_OBJECT_0;
// Infinite loop
for (;;)
{
EnterCriticalSection(&csIoTimer);
if (dwTimerListItems)
{
TimerGetTickCount(&ui64);
//z 处理已过约定时间的 timer
if (ui64 >= lpTimerList[0]->ui64DueTime)
{
dwShift = 0;
do
{
lpTimer = lpTimerList[dwShift++];
for (; lpTimer; lpTimer = lpNTimer)
{
lpNTimer = lpTimer->lpNext;
// Queue timer to external thread
if (InterlockedExchange(&lpTimer->lStatus, TIMER_QUEUED) == TIMER_WAIT)
{
QueueJob(ExecTimer, lpTimer, JOB_PRIORITY_HIGH);
}
}
TimerGetTickCount(&ui64);
}
while (--dwTimerListItems && ui64 >= lpTimerList[dwShift]->ui64DueTime);
//z 将剩下的timer向前移动
MoveMemory(lpTimerList, &lpTimerList[dwShift], dwTimerListItems * sizeof(LPTIMER));
//z 如果队列中还有剩余的 timer
if (dwTimerListItems)
{
//z 计算到下次 timer 到达时间还得多久
dwSleep = (DWORD)(lpTimerList[0]->ui64DueTime <= ui64 ? 0 : lpTimerList[0]->ui64DueTime - ui64);
}
else dwSleep = INFINITE;
}
else dwSleep = (DWORD)(lpTimerList[0]->ui64DueTime <= ui64 ? 0 : lpTimerList[0]->ui64DueTime - ui64);
}
else dwSleep = INFINITE;
// Cancel waitable timer
//z 对数组处理完毕
LeaveCriticalSection(&csIoTimer);
//z 使用这个避免了不必要的循环（从而不需要消耗cpu时间）
WaitForSingleObject(hTimerUpdate, dwSleep);
//z 查看 dwDaemonStatus，查看是否为 shutdown 状态
if (dwDaemonStatus == DAEMON_SHUTDOWN)
{
break;
}
}
//z dwDaemonStatus
InterlockedExchange(&lTimerShutdownLock, TRUE);
// Exit from this thread
CloseHandle(hTimerUpdate);
Free(lpTimerList);
DeleteCriticalSection(&csIoTimer);
ExitThread(0);
return FALSE;
}
