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work on semaphores.

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svn path=/trunk/; revision=341
This commit is contained in:
jean 1999-03-25 13:53:45 +00:00
parent 42c50bfaa8
commit e4981e3a09
1 changed files with 10 additions and 4 deletions
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14
reactos/ntoskrnl/ke/wait.c
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@ -101,6 +101,8 @@ BOOLEAN KeDispatcherObjectWakeOne(DISPATCHER_HEADER* hdr)
WaitListEntry);
DPRINT("current_entry %x current %x\n",current_entry,current);
DPRINT("Waking %x\n",current->Thread);
if (hdr->Type == SemaphoreType)
hdr->SignalState--;
PsResumeThread(CONTAINING_RECORD(current->Thread,ETHREAD,Tcb));
return(TRUE);
}
@ -148,15 +150,19 @@ NTSTATUS KeWaitForSingleObject(PVOID Object,
KWAIT_BLOCK blk;
DPRINT("Entering KeWaitForSingleObject(Object %x)\n",Object);
// FIXME : if KeReleaseSemaphore called with wait just before KeWaitxxx
// we must do something special.
KeAcquireDispatcherDatabaseLock(FALSE);
if (hdr->SignalState)
if (hdr->SignalState > 0)
{
if (hdr->Type == SynchronizationEvent)
{
hdr->SignalState=FALSE;
}
{
hdr->SignalState=FALSE;
}
else if (hdr->Type == SemaphoreType)
hdr->SignalState--;
KeReleaseDispatcherDatabaseLock(FALSE);
return(STATUS_SUCCESS);
}