Intravision/reactos
1
0
Fork 0
mirror of https://github.com/reactos/reactos.git synced 2024-12-27 09:34:43 +00:00
Code Issues Projects Releases Packages Wiki Activity

set thread WaitReason when blocking

Browse source 
initial work on I/O completion

svn path=/trunk/; revision=4350
This commit is contained in:
Gunnar Dalsnes 2003-03-19 23:09:54 +00:00
parent 14597f5f11
commit 313dc5e53f
1 changed files with 35 additions and 4 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

39
reactos/ntoskrnl/ke/wait.c
View file

@ -103,7 +103,8 @@ KiSideEffectsBeforeWake(DISPATCHER_HEADER * hdr,
case InternalSynchronizationEvent:
hdr->SignalState = 0;
break;
case InternalQueueType:
case InternalSemaphoreType:
hdr->SignalState--;
break;
@ -348,6 +349,7 @@ BOOLEAN KeDispatcherObjectWake(DISPATCHER_HEADER* hdr)
case InternalSynchronizationTimer:
return(KeDispatcherObjectWakeOne(hdr));
case InternalQueueType:
case InternalSemaphoreType:
DPRINT("hdr->SignalState %d\n", hdr->SignalState);
if(hdr->SignalState>0)
@ -587,8 +589,18 @@ KeWaitForMultipleObjects(ULONG Count,
blk->NextWaitBlock = blk + 1;
}
//add wait block to disp. obj. wait list
InsertTailList(&hdr->WaitListHead, &blk->WaitListEntry);
/*
* add wait block to disp. obj. wait list
* Use FIFO for all waits except for queues which use LIFO
*/
if (WaitReason == WrQueue)
{
InsertHeadList(&hdr->WaitListHead, &blk->WaitListEntry);
}
else
{
InsertTailList(&hdr->WaitListHead, &blk->WaitListEntry);
}
blk = blk->NextWaitBlock;
}
@ -605,7 +617,26 @@ KeWaitForMultipleObjects(ULONG Count,
&CurrentThread->WaitBlock[3].WaitListEntry);
}
PsBlockThread(&Status, Alertable, WaitMode, TRUE, WaitIrql);
//io completion
if (CurrentThread->Queue)
{
CurrentThread->Queue->RunningThreads--;
if (WaitReason != WrQueue && CurrentThread->Queue->RunningThreads < CurrentThread->Queue->MaximumThreads &&
!IsListEmpty(&CurrentThread->Queue->EntryListHead))
{
KeDispatcherObjectWake(&CurrentThread->Queue->Header);
}
}
PsBlockThread(&Status, Alertable, WaitMode, TRUE, WaitIrql, WaitReason);
//io completion
if (CurrentThread->Queue)
{
CurrentThread->Queue->RunningThreads++;
}
}
while (Status == STATUS_KERNEL_APC);