server: Any thread can set the idle event, don't treat the first one differently.

dlls/user32/tests/msg.c

@@ -12041,13 +12041,26 @@ static const struct
 /* 10 */ { 0,            0,            TRUE  },
          { 0,            0,            FALSE },
          { 0,            WAIT_TIMEOUT, FALSE },
+         { 0,            0,            FALSE },
 };
 
+static DWORD CALLBACK do_wait_idle_child_thread( void *arg )
+{
+    MSG msg;
+
+    PeekMessage( &msg, 0, 0, 0, PM_NOREMOVE );
+    Sleep( 200 );
+    MsgWaitForMultipleObjects( 0, NULL, FALSE, 100, QS_ALLINPUT );
+    return 0;
+}
+
 static void do_wait_idle_child( int arg )
 {
     WNDCLASS cls;
     MSG msg;
     HWND hwnd = 0;
+    HANDLE thread;
+    DWORD id;
     HANDLE start_event = OpenEventA( EVENT_ALL_ACCESS, FALSE, "test_WaitForInputIdle_start" );
     HANDLE end_event = OpenEventA( EVENT_ALL_ACCESS, FALSE, "test_WaitForInputIdle_end" );
 
@@ -12146,6 +12159,14 @@ static void do_wait_idle_child( int arg )
         MsgWaitForMultipleObjects( 0, NULL, FALSE, 100, QS_ALLINPUT );
         SetEvent( start_event );
         break;
+    case 13:
+        SetEvent( start_event );
+        PeekMessage( &msg, 0, 0, 0, PM_NOREMOVE );
+        Sleep( 200 );
+        thread = CreateThread( NULL, 0, do_wait_idle_child_thread, NULL, 0, &id );
+        WaitForSingleObject( thread, 10000 );
+        CloseHandle( thread );
+        break;
     }
     WaitForSingleObject( end_event, 2000 );
     CloseHandle( start_event );

server/process.c

@@ -328,7 +328,6 @@ struct thread *create_process( int fd, struct thread *parent_thread, int inherit
     process->startup_state   = STARTUP_IN_PROGRESS;
     process->startup_info    = NULL;
     process->idle_event      = NULL;
-    process->queue           = NULL;
     process->peb             = 0;
     process->ldt_copy        = 0;
     process->winstation      = 0;
@@ -423,7 +422,6 @@ static void process_destroy( struct object *obj )
     if (process->msg_fd) release_object( process->msg_fd );
     list_remove( &process->entry );
     if (process->idle_event) release_object( process->idle_event );
-    if (process->queue) release_object( process->queue );
     if (process->id) free_ptid( process->id );
     if (process->token) release_object( process->token );
 }

server/process.h

@@ -23,7 +23,6 @@
 
 #include "object.h"
 
-struct msg_queue;
 struct atom_table;
 struct handle_table;
 struct startup_info;
@@ -75,7 +74,6 @@ struct process
     enum startup_state   startup_state;   /* startup state */
     struct startup_info *startup_info;    /* startup info while init is in progress */
     struct event        *idle_event;      /* event for input idle */
-    struct msg_queue    *queue;           /* main message queue */
     obj_handle_t         winstation;      /* main handle to process window station */
     obj_handle_t         desktop;         /* handle to desktop to use for new threads */
     struct token        *token;           /* security token associated with this process */

server/queue.c

@@ -280,8 +280,6 @@ static struct msg_queue *create_msg_queue( struct thread *thread, struct thread_
         for (i = 0; i < NB_MSG_KINDS; i++) list_init( &queue->msg_list[i] );
 
         thread->queue = queue;
-        if (!thread->process->queue)
-            thread->process->queue = (struct msg_queue *)grab_object( queue );
     }
     release_object( input );
     return queue;
@@ -290,15 +288,8 @@ static struct msg_queue *create_msg_queue( struct thread *thread, struct thread_
 /* free the message queue of a thread at thread exit */
 void free_msg_queue( struct thread *thread )
 {
-    struct process *process = thread->process;
-
     remove_thread_hooks( thread );
     if (!thread->queue) return;
-    if (process->queue == thread->queue)  /* is it the process main queue? */
-    {
-        release_object( process->queue );
-        process->queue = NULL;
-    }
     release_object( thread->queue );
     thread->queue = NULL;
 }
@@ -780,11 +771,8 @@ static int msg_queue_add_queue( struct object *obj, struct wait_queue_entry *ent
         set_error( STATUS_ACCESS_DENIED );
         return 0;
     }
-    /* if waiting on the main process queue, set the idle event */
-    if (process->queue == queue)
-    {
-        if (process->idle_event) set_event( process->idle_event );
-    }
+    if (process->idle_event) set_event( process->idle_event );
+
     if (queue->fd && list_empty( &obj->wait_queue ))  /* first on the queue */
         set_fd_events( queue->fd, POLLIN );
     add_queue( obj, entry );