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correct bug in release of semaphore

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svn path=/trunk/; revision=357
This commit is contained in:
jean 1999-03-31 13:57:22 +00:00
parent d7acbe2251
commit 472aba6da2
1 changed files with 11 additions and 7 deletions
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18
reactos/ntoskrnl/ke/wait.c
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@ -107,6 +107,8 @@ static BOOLEAN KeDispatcherObjectWakeOne(DISPATCHER_HEADER* hdr)
WaitListEntry); WaitListEntry);
DPRINT("current_entry %x current %x\n",current_entry,current); DPRINT("current_entry %x current %x\n",current_entry,current);
DPRINT("Waking %x\n",current->Thread); DPRINT("Waking %x\n",current->Thread);
if (hdr->Type == SemaphoreType)
hdr->SignalState--;
PsResumeThread(CONTAINING_RECORD(current->Thread,ETHREAD,Tcb)); PsResumeThread(CONTAINING_RECORD(current->Thread,ETHREAD,Tcb));
return(TRUE); return(TRUE);
} }
@ -136,12 +138,15 @@ BOOLEAN KeDispatcherObjectWake(DISPATCHER_HEADER* hdr)
return(Ret); return(Ret);
case SemaphoreType: case SemaphoreType:
Ret = KeDispatcherObjectWakeOne(hdr); if(hdr->SignalState>0)
if (Ret) {
{ do
hdr->SignalState--; {
} Ret = KeDispatcherObjectWakeOne(hdr);
return(Ret); } while(hdr->SignalState > 0 && Ret) ;
return(Ret);
}
else return FALSE;
case ProcessType: case ProcessType:
return(KeDispatcherObjectWakeAll(hdr)); return(KeDispatcherObjectWakeAll(hdr));
@ -190,7 +195,6 @@ NTSTATUS KeWaitForSingleObject(PVOID Object,
break; break;
case SemaphoreType: case SemaphoreType:
hdr->SignalState--;
break; break;
} }
KeReleaseDispatcherDatabaseLock(FALSE); KeReleaseDispatcherDatabaseLock(FALSE);