ntoskrnl.exe: Implement IoGetCurrentProcess.

dlls/ntoskrnl.exe/ntoskrnl.c

@@ -2477,8 +2477,7 @@ POBJECT_TYPE PsProcessType = &process_type;
  */
 PEPROCESS WINAPI IoGetCurrentProcess(void)
 {
-    FIXME("() stub\n");
-    return NULL;
+    return KeGetCurrentThread()->process;
 }
 
 /***********************************************************************
@@ -2505,6 +2504,7 @@ static void *create_thread_object( HANDLE handle )
 {
     THREAD_BASIC_INFORMATION info;
     struct _KTHREAD *thread;
+    HANDLE process;
 
     if (!(thread = alloc_kernel_object( PsThreadType, handle, sizeof(*thread), 0 ))) return NULL;
 
@@ -2512,7 +2512,15 @@ static void *create_thread_object( HANDLE handle )
     thread->header.WaitListHead.Blink = INVALID_HANDLE_VALUE; /* mark as kernel object */
 
     if (!NtQueryInformationThread( handle, ThreadBasicInformation, &info, sizeof(info), NULL ))
+    {
         thread->id = info.ClientId;
+        if ((process = OpenProcess( PROCESS_QUERY_INFORMATION, FALSE, HandleToUlong(thread->id.UniqueProcess) )))
+        {
+            kernel_object_from_handle( process, PsProcessType, (void**)&thread->process );
+            NtClose( process );
+        }
+    }
+
 
     return thread;
 }

dlls/ntoskrnl.exe/ntoskrnl_private.h

@@ -35,6 +35,7 @@ struct _EPROCESS {
 struct _KTHREAD
 {
     DISPATCHER_HEADER header;
+    PEPROCESS process;
     CLIENT_ID id;
 };
 

dlls/ntoskrnl.exe/tests/driver.c

@@ -321,14 +321,19 @@ static NTSTATUS wait_single_handle(HANDLE handle, ULONGLONG timeout)
 
 static void test_currentprocess(void)
 {
+    DISPATCHER_HEADER *header;
     PEPROCESS current;
     PETHREAD thread;
     NTSTATUS ret;
 
     current = IoGetCurrentProcess();
-todo_wine
     ok(current != NULL, "Expected current process to be non-NULL\n");
 
+    header = (DISPATCHER_HEADER*)current;
+    ok(header->Type == 3, "header->Type != 3, = %u\n", header->Type);
+    ret = wait_single(current, 0);
+    ok(ret == STATUS_TIMEOUT, "got %#x\n", ret);
+
     thread = PsGetCurrentThread();
     ret = wait_single( thread, 0 );
     ok(ret == STATUS_TIMEOUT, "got %#x\n", ret);