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Check returned status codes.

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svn path=/trunk/; revision=7823
This commit is contained in:
Eric Kohl 2004-01-22 13:18:10 +00:00
parent 9f32fb18b9
commit d55c5fe5b8
1 changed files with 41 additions and 20 deletions
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61
reactos/ntoskrnl/ps/suspend.c
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@ -16,7 +16,7 @@
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/* $Id: suspend.c,v 1.13 2003/10/12 17:05:50 hbirr Exp $
/* $Id: suspend.c,v 1.14 2004/01/22 13:18:10 ekohl Exp $
*
* PROJECT: ReactOS kernel
* FILE: ntoskrnl/ps/suspend.c
@ -79,24 +79,33 @@ PiSuspendThreadNormalRoutine(PVOID NormalContext,
NTSTATUS
PsResumeThread(PETHREAD Thread, PULONG SuspendCount)
PsResumeThread (PETHREAD Thread,
PULONG SuspendCount)
{
ExAcquireFastMutex(&SuspendMutex);
DPRINT("PsResumeThread (Thread %p SuspendCount %p) called\n");
ExAcquireFastMutex (&SuspendMutex);
if (SuspendCount != NULL)
{
*SuspendCount = Thread->Tcb.SuspendCount;
}
if (Thread->Tcb.SuspendCount > 0)
{
Thread->Tcb.SuspendCount--;
if (Thread->Tcb.SuspendCount == 0)
{
KeReleaseSemaphore(&Thread->Tcb.SuspendSemaphore, IO_NO_INCREMENT,
1, FALSE);
}
KeReleaseSemaphore (&Thread->Tcb.SuspendSemaphore,
IO_NO_INCREMENT,
1,
FALSE);
}
}
ExReleaseFastMutex(&SuspendMutex);
return(STATUS_SUCCESS);
ExReleaseFastMutex (&SuspendMutex);
return STATUS_SUCCESS;
}
@ -147,26 +156,32 @@ NtResumeThread(IN HANDLE ThreadHandle,
DPRINT("NtResumeThead(ThreadHandle %lx SuspendCount %p)\n",
ThreadHandle, SuspendCount);
Status = ObReferenceObjectByHandle(ThreadHandle,
THREAD_SUSPEND_RESUME,
PsThreadType,
UserMode,
(PVOID*)&Thread,
NULL);
Status = ObReferenceObjectByHandle (ThreadHandle,
THREAD_SUSPEND_RESUME,
PsThreadType,
UserMode,
(PVOID*)&Thread,
NULL);
if (!NT_SUCCESS(Status))
{
return(Status);
return Status;
}
Status = PsResumeThread (Thread, &Count);
if (!NT_SUCCESS(Status))
{
ObDereferenceObject ((PVOID)Thread);
return Status;
}
Status = PsResumeThread(Thread, &Count);
if (SuspendCount != NULL)
{
*SuspendCount = Count;
}
ObDereferenceObject((PVOID)Thread);
ObDereferenceObject ((PVOID)Thread);
return(STATUS_SUCCESS);
return STATUS_SUCCESS;
}
@ -203,14 +218,20 @@ NtSuspendThread(IN HANDLE ThreadHandle,
}
Status = PsSuspendThread(Thread, &Count);
if (!NT_SUCCESS(Status))
{
ObDereferenceObject ((PVOID)Thread);
return Status;
}
if (PreviousSuspendCount != NULL)
{
*PreviousSuspendCount = Count;
}
ObDereferenceObject((PVOID)Thread);
ObDereferenceObject ((PVOID)Thread);
return(STATUS_SUCCESS);
return STATUS_SUCCESS;
}
VOID INIT_FUNCTION