clear out the lower 2 bits of a pid before using it to calculate the hash as they may vary

Modified: trunk/reactos/subsys/csrss/api/process.c

--- trunk/reactos/subsys/csrss/api/process.c	2005-07-28 23:22:47 UTC (rev 16848)
+++ trunk/reactos/subsys/csrss/api/process.c	2005-07-28 23:29:44 UTC (rev 16849)
@@ -37,7 +37,7 @@

    ULONG hash;
    PCSRSS_PROCESS_DATA pProcessData;
 

-   hash = (ULONG_PTR)ProcessId % (sizeof(ProcessData) / sizeof(*ProcessData));

+   hash = ((ULONG_PTR)ProcessId & ~0x3) % (sizeof(ProcessData) / sizeof(*ProcessData));

 
    LOCK;
 
@@ -59,7 +59,7 @@

    CLIENT_ID ClientId;
    NTSTATUS Status;
 

-   hash = (ULONG_PTR)ProcessId % (sizeof(ProcessData) / sizeof(*ProcessData));

+   hash = ((ULONG_PTR)ProcessId & ~0x3) % (sizeof(ProcessData) / sizeof(*ProcessData));

 
    LOCK;
 
@@ -121,7 +121,7 @@

   UINT c;
   PCSRSS_PROCESS_DATA pProcessData, pPrevProcessData = NULL;
 

-  hash = (ULONG_PTR)Pid % (sizeof(ProcessData) / sizeof(*ProcessData));

+  hash = ((ULONG_PTR)Pid & ~0x3) % (sizeof(ProcessData) / sizeof(*ProcessData));

 
   LOCK;