psapi 1/3: preparation

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in order for the upcoming patch (on psapi) to be easily written, this patch does two things:
- it removes dependencies for the snapshot server requests on the toolhelp API
- it implements a get_dll_info request

A+
--
Eric Pouech
Name:          thlp
ChangeLog:     
	- no longer depend on toolhelp definitions for generating snapshots in server
	- added get_dll_info request to wineserver
License:       LGPL
GenDate:       2003/01/04 21:25:09 UTC
ModifiedFiles: server/protocol.def dlls/kernel/toolhelp.c server/process.c server/snapshot.c
AddedFiles:    
===================================================================
RCS file: /home/cvs/cvsroot/wine/wine/server/protocol.def,v
retrieving revision 1.53
diff -u -u -r1.53 protocol.def
--- server/protocol.def	25 Nov 2002 02:47:32 -0000	1.53
+++ server/protocol.def	3 Jan 2003 19:43:05 -0000
@@ -359,6 +359,17 @@
 #define SET_THREAD_INFO_AFFINITY 0x02
 
 
+/* Retrieve information about a module */
+@REQ(get_dll_info)
+    obj_handle_t handle;       /* process handle */
+    void*        base_address; /* base address of module */
+@REPLY
+    size_t       size;          /* module size */
+    void*        entry_point;
+    VARARG(filename,string);    /* file name of module */
+@END
+
+
 /* Suspend a thread */
 @REQ(suspend_thread)
     obj_handle_t handle;       /* thread handle */
@@ -1100,10 +1126,14 @@
 @END
 
 
+#define SNAP_HEAPLIST   0x00000001
+#define SNAP_PROCESS    0x00000002
+#define SNAP_THREAD     0x00000004
+#define SNAP_MODULE     0x00000008
 /* Create a snapshot */
 @REQ(create_snapshot)
     int          inherit;       /* inherit flag */
-    int          flags;         /* snapshot flags (TH32CS_*) */
+    int          flags;         /* snapshot flags (SNAP_*) */
     process_id_t pid;           /* process id */
 @REPLY
     obj_handle_t handle;        /* handle to the snapshot */
Index: server/process.c
===================================================================
RCS file: /home/cvs/cvsroot/wine/wine/server/process.c,v
retrieving revision 1.91
diff -u -u -r1.91 process.c
--- server/process.c	19 Oct 2002 01:00:59 -0000	1.91
+++ server/process.c	3 Jan 2003 20:23:16 -0000
@@ -1058,6 +1058,35 @@
     process_unload_dll( current->process, req->base );
 }
 
+/* retrieve information about a module in a process */
+DECL_HANDLER(get_dll_info)
+{
+    struct process *process;
+
+    if ((process = get_process_from_handle( req->handle, PROCESS_QUERY_INFORMATION )))
+    {
+        struct process_dll *dll;
+
+        for (dll = &process->exe; dll; dll = dll->next)
+        {
+            if (dll->base == req->base_address)
+            {
+                reply->size = dll->size;
+                reply->entry_point = 0; /* FIXME */
+                if (dll->filename)
+                {
+                    size_t len = min( dll->namelen, get_reply_max_size() );
+                    set_reply_data( dll->filename, len );
+                }
+                break;
+            }
+        }
+        if (!dll)
+            set_error(STATUS_DLL_NOT_FOUND);
+        release_object( process );
+    }
+}
+
 /* wait for a process to start waiting on input */
 /* FIXME: only returns event for now, wait is done in the client */
 DECL_HANDLER(wait_input_idle)
Index: server/snapshot.c
===================================================================
RCS file: /home/cvs/cvsroot/wine/wine/server/snapshot.c,v
retrieving revision 1.16
diff -u -u -r1.16 snapshot.c
--- server/snapshot.c	3 Oct 2002 19:54:58 -0000	1.16
+++ server/snapshot.c	3 Jan 2003 20:24:25 -0000
@@ -28,7 +28,6 @@
 #include <stdlib.h>
 
 #include "windef.h"
-#include "tlhelp32.h"
 
 #include "handle.h"
 #include "process.h"
@@ -79,7 +78,7 @@
     struct snapshot *snapshot;
 
     /* need a process for modules and heaps */
-    if (flags & (TH32CS_SNAPMODULE|TH32CS_SNAPHEAPLIST))
+    if (flags & (SNAP_MODULE|SNAP_HEAPLIST))
     {
         if (!pid) process = (struct process *)grab_object( current->process );
         else if (!(process = get_process_from_id( pid ))) return NULL;
@@ -95,17 +94,17 @@
 
     snapshot->process_pos = 0;
     snapshot->process_count = 0;
-    if (flags & TH32CS_SNAPPROCESS)
+    if (flags & SNAP_PROCESS)
         snapshot->processes = process_snap( &snapshot->process_count );
 
     snapshot->thread_pos = 0;
     snapshot->thread_count = 0;
-    if (flags & TH32CS_SNAPTHREAD)
+    if (flags & SNAP_THREAD)
         snapshot->threads = thread_snap( &snapshot->thread_count );
 
     snapshot->module_pos = 0;
     snapshot->module_count = 0;
-    if (flags & TH32CS_SNAPMODULE)
+    if (flags & SNAP_MODULE)
         snapshot->modules = module_snap( process, &snapshot->module_count );
 
     return snapshot;
Index: dlls/kernel/toolhelp.c
===================================================================
RCS file: /home/cvs/cvsroot/wine/wine/dlls/kernel/toolhelp.c,v
retrieving revision 1.19
diff -u -u -r1.19 toolhelp.c
--- dlls/kernel/toolhelp.c	3 Oct 2002 19:54:57 -0000	1.19
+++ dlls/kernel/toolhelp.c	3 Jan 2003 20:25:13 -0000
@@ -221,7 +221,11 @@
     /* Now do the snapshot */
     SERVER_START_REQ( create_snapshot )
     {
-        req->flags   = flags & ~TH32CS_INHERIT;
+        req->flags = 0;
+        if (flags & TH32CS_SNAPMODULE)   req->flags |= SNAP_MODULE;
+        if (flags & TH32CS_SNAPPROCESS)  req->flags |= SNAP_PROCESS;
+        if (flags & TH32CS_SNAPTHREAD)   req->flags |= SNAP_THREAD;
+    
         req->inherit = (flags & TH32CS_INHERIT) != 0;
         req->pid     = process;
         wine_server_call_err( req );

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