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libwinpr-synch: add active/inactive linked list for timer queue

This commit is contained in:
Marc-André Moreau 2014-01-27 10:37:38 -05:00
parent 159f539ef2
commit eb38b9f1e1
3 changed files with 54 additions and 23 deletions
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3
winpr/libwinpr/synch/synch.h
View File

@ -121,7 +121,8 @@ struct winpr_timer_queue
struct sched_param param;
BOOL bCancelled;
WINPR_TIMER_QUEUE_TIMER* head;
WINPR_TIMER_QUEUE_TIMER* activeHead;
WINPR_TIMER_QUEUE_TIMER* inactiveHead;
};
typedef struct winpr_timer_queue WINPR_TIMER_QUEUE;

12
winpr/libwinpr/synch/test/TestSynchTimerQueue.c
View File

@ -45,6 +45,8 @@ VOID CALLBACK TimerRoutine(PVOID lpParam, BOOLEAN TimerOrWaitFired)
{
SetEvent(g_Event);
}
Sleep(50);
}
int TestSynchTimerQueue(int argc, char* argv[])
@ -60,7 +62,7 @@ int TestSynchTimerQueue(int argc, char* argv[])
if (!hTimerQueue)
{
printf("CreateTimerQueue failed (%d)\n", GetLastError());
printf("CreateTimerQueue failed (%d)\n", (int) GetLastError());
return -1;
}
@ -75,14 +77,14 @@ int TestSynchTimerQueue(int argc, char* argv[])
if (!CreateTimerQueueTimer(&hTimers[index], hTimerQueue, (WAITORTIMERCALLBACK) TimerRoutine,
&apcData[index], apcData[index].DueTime, apcData[index].Period, 0))
{
printf("CreateTimerQueueTimer failed (%d)\n", GetLastError());
printf("CreateTimerQueueTimer failed (%d)\n", (int) GetLastError());
return -1;
}
}
if (WaitForSingleObject(g_Event, INFINITE) != WAIT_OBJECT_0)
{
printf("WaitForSingleObject failed (%d)\n", GetLastError());
printf("WaitForSingleObject failed (%d)\n", (int) GetLastError());
return -1;
}
@ -90,14 +92,14 @@ int TestSynchTimerQueue(int argc, char* argv[])
{
if (!DeleteTimerQueueTimer(hTimerQueue, hTimers[index], NULL))
{
printf("DeleteTimerQueueTimer failed (%d)\n", GetLastError());
printf("DeleteTimerQueueTimer failed (%d)\n", (int) GetLastError());
return -1;
}
}
if (!DeleteTimerQueue(hTimerQueue))
{
printf("DeleteTimerQueue failed (%d)\n", GetLastError());
printf("DeleteTimerQueue failed (%d)\n", (int) GetLastError());
return -1;
}

62
winpr/libwinpr/synch/timer.c
View File

@ -418,12 +418,12 @@ int FireExpiredTimerQueueTimers(WINPR_TIMER_QUEUE* timerQueue)
struct timespec CurrentTime;
WINPR_TIMER_QUEUE_TIMER* node;
if (!timerQueue->head)
if (!timerQueue->activeHead)
return 0;
timespec_gettimeofday(&CurrentTime);
node = timerQueue->head;
node = timerQueue->activeHead;
while (node)
{
@ -432,15 +432,19 @@ int FireExpiredTimerQueueTimers(WINPR_TIMER_QUEUE* timerQueue)
node->Callback(node->Parameter, TRUE);
node->FireCount++;
timerQueue->head = node->next;
timerQueue->activeHead = node->next;
node->next = NULL;
if (node->Period)
{
timespec_add_ms(&(node->ExpirationTime), node->Period);
InsertTimerQueueTimer(&(timerQueue->head), node);
node = timerQueue->head;
InsertTimerQueueTimer(&(timerQueue->activeHead), node);
node = timerQueue->activeHead;
}
else
{
InsertTimerQueueTimer(&(timerQueue->inactiveHead), node);
}
}
else
@ -462,14 +466,18 @@ static void* TimerQueueThread(void* arg)
{
pthread_mutex_lock(&(timerQueue->cond_mutex));
if (!timerQueue->head)
timespec_gettimeofday(&timeout);
if (!timerQueue->activeHead)
{
timespec_gettimeofday(&timeout);
timespec_add_ms(&timeout, 100);
}
else
{
timespec_copy(&timeout, &(timerQueue->head->ExpirationTime));
if (timespec_compare(&timeout, &(timerQueue->activeHead->ExpirationTime)) < 0)
{
timespec_copy(&timeout, &(timerQueue->activeHead->ExpirationTime));
}
}
status = pthread_cond_timedwait(&(timerQueue->cond), &(timerQueue->cond_mutex), &timeout);
@ -513,7 +521,7 @@ HANDLE CreateTimerQueue(void)
WINPR_HANDLE_SET_TYPE(timerQueue, HANDLE_TYPE_TIMER_QUEUE);
handle = (HANDLE) timerQueue;
timerQueue->head = NULL;
timerQueue->activeHead = NULL;
timerQueue->bCancelled = FALSE;
StartTimerQueueThread(timerQueue);
@ -553,7 +561,21 @@ BOOL DeleteTimerQueueEx(HANDLE TimerQueue, HANDLE CompletionEvent)
{
/* Cancel all timers and return immediately */
node = timerQueue->head;
/* Move all active timers to the inactive timer list */
node = timerQueue->activeHead;
while (node)
{
InsertTimerQueueTimer(&(timerQueue->inactiveHead), node);
node = node->next;
}
timerQueue->activeHead = NULL;
/* Once all timers are inactive, free them */
node = timerQueue->inactiveHead;
while (node)
{
@ -564,7 +586,7 @@ BOOL DeleteTimerQueueEx(HANDLE TimerQueue, HANDLE CompletionEvent)
node = nextNode;
}
timerQueue->head = NULL;
timerQueue->inactiveHead = NULL;
}
/* Delete timer queue */
@ -592,9 +614,12 @@ BOOL DeleteTimerQueue(HANDLE TimerQueue)
BOOL CreateTimerQueueTimer(PHANDLE phNewTimer, HANDLE TimerQueue,
WAITORTIMERCALLBACK Callback, PVOID Parameter, DWORD DueTime, DWORD Period, ULONG Flags)
{
struct timespec CurrentTime;
WINPR_TIMER_QUEUE* timerQueue;
WINPR_TIMER_QUEUE_TIMER* timer;
timespec_gettimeofday(&CurrentTime);
timerQueue = (WINPR_TIMER_QUEUE*) TimerQueue;
timer = (WINPR_TIMER_QUEUE_TIMER*) malloc(sizeof(WINPR_TIMER_QUEUE_TIMER));
@ -604,7 +629,7 @@ BOOL CreateTimerQueueTimer(PHANDLE phNewTimer, HANDLE TimerQueue,
WINPR_HANDLE_SET_TYPE(timer, HANDLE_TYPE_TIMER_QUEUE_TIMER);
*((UINT_PTR*) phNewTimer) = (UINT_PTR) (HANDLE) timer;
timespec_gettimeofday(&(timer->StartTime));
timespec_copy(&(timer->StartTime), &CurrentTime);
timespec_add_ms(&(timer->StartTime), DueTime);
timespec_copy(&(timer->ExpirationTime), &(timer->StartTime));
@ -620,7 +645,7 @@ BOOL CreateTimerQueueTimer(PHANDLE phNewTimer, HANDLE TimerQueue,
pthread_mutex_lock(&(timerQueue->cond_mutex));
InsertTimerQueueTimer(&(timerQueue->head), timer);
InsertTimerQueueTimer(&(timerQueue->activeHead), timer);
pthread_cond_signal(&(timerQueue->cond));
pthread_mutex_unlock(&(timerQueue->cond_mutex));
@ -630,27 +655,30 @@ BOOL CreateTimerQueueTimer(PHANDLE phNewTimer, HANDLE TimerQueue,
BOOL ChangeTimerQueueTimer(HANDLE TimerQueue, HANDLE Timer, ULONG DueTime, ULONG Period)
{
struct timespec CurrentTime;
WINPR_TIMER_QUEUE* timerQueue;
WINPR_TIMER_QUEUE_TIMER* timer;
if (!TimerQueue || !Timer)
return FALSE;
timespec_gettimeofday(&CurrentTime);
timerQueue = (WINPR_TIMER_QUEUE*) TimerQueue;
timer = (WINPR_TIMER_QUEUE_TIMER*) Timer;
pthread_mutex_lock(&(timerQueue->cond_mutex));
RemoveTimerQueueTimer(&(timerQueue->head), timer);
RemoveTimerQueueTimer(&(timerQueue->activeHead), timer);
timer->DueTime = DueTime;
timer->Period = Period;
timespec_gettimeofday(&(timer->StartTime));
timespec_copy(&(timer->StartTime), &CurrentTime);
timespec_add_ms(&(timer->StartTime), DueTime);
timespec_copy(&(timer->ExpirationTime), &(timer->StartTime));
InsertTimerQueueTimer(&(timerQueue->head), timer);
InsertTimerQueueTimer(&(timerQueue->activeHead), timer);
pthread_cond_signal(&(timerQueue->cond));
pthread_mutex_unlock(&(timerQueue->cond_mutex));
@ -679,7 +707,7 @@ BOOL DeleteTimerQueueTimer(HANDLE TimerQueue, HANDLE Timer, HANDLE CompletionEve
{
/* Cancel timer and return immediately */
RemoveTimerQueueTimer(&(timerQueue->head), timer);
RemoveTimerQueueTimer(&(timerQueue->activeHead), timer);
}
pthread_cond_signal(&(timerQueue->cond));