From f5d21eb2bfe3bdd5b450c42643ee017f2d6bb630 Mon Sep 17 00:00:00 2001
From: Mike McCormack <mikem@codeweavers.com>
Date: Tue, 27 Aug 2002 02:05:21 +0000
Subject: [PATCH] Don't cache file handles for NE executable modules so that we
 don't lock the CDROM.

---
 loader/ne/module.c   | 18 +++++++-----------
 loader/ne/resource.c |  1 +
 loader/ne/segment.c  | 19 ++++++++++++-------
 3 files changed, 20 insertions(+), 18 deletions(-)

diff --git a/loader/ne/module.c b/loader/ne/module.c
index 8947e261486..525a6843026 100644
--- a/loader/ne/module.c
+++ b/loader/ne/module.c
@@ -421,22 +421,18 @@ BOOL16 NE_SetEntryPoint( HMODULE16 hModule, WORD ordinal, WORD offset )
  */
 HANDLE NE_OpenFile( NE_MODULE *pModule )
 {
+    HANDLE handle;
     char *name;
 
-    static HANDLE cachedfd = INVALID_HANDLE_VALUE;
-
-    TRACE("(%p) cache: mod=%p fd=%d\n",
-           pModule, pCachedModule, cachedfd );
-    if (pCachedModule == pModule) return cachedfd;
-    CloseHandle( cachedfd );
-    pCachedModule = pModule;
+    TRACE("(%p)\n", pModule );
+    /* mjm - removed module caching because it keeps open file handles
+             thus preventing CDROMs from being ejected */
     name = NE_MODULE_NAME( pModule );
-    if ((cachedfd = CreateFileA( name, GENERIC_READ, FILE_SHARE_READ,
+    if ((handle = CreateFileA( name, GENERIC_READ, FILE_SHARE_READ,
                                    NULL, OPEN_EXISTING, 0, 0 )) == INVALID_HANDLE_VALUE)
         MESSAGE( "Can't open file '%s' for module %04x\n", name, pModule->self );
-    TRACE("opened '%s' -> %d\n",
-                    name, cachedfd );
-    return cachedfd;
+    TRACE("opened '%s' -> %d\n", name, handle);
+    return handle;
 }
 
 
diff --git a/loader/ne/resource.c b/loader/ne/resource.c
index b12409c334f..1a48c7791c0 100644
--- a/loader/ne/resource.c
+++ b/loader/ne/resource.c
@@ -246,6 +246,7 @@ HGLOBAL16 WINAPI NE_DefResourceHandler( HGLOBAL16 hMemObj, HMODULE16 hModule,
             ReadFile( fd, GlobalLock16( handle ), (int)pNameInfo->length << sizeShift,
                       &res, NULL );
 	}
+        CloseHandle(fd);
 	return handle;
     }
     return (HGLOBAL16)0;
diff --git a/loader/ne/segment.c b/loader/ne/segment.c
index 365e286b09f..5678ee616bf 100644
--- a/loader/ne/segment.c
+++ b/loader/ne/segment.c
@@ -189,7 +189,7 @@ BOOL NE_LoadSegment( NE_MODULE *pModule, WORD segnum )
 
       if(buff == NULL) {
           WARN_(dll)("Memory exausted!");
-          return FALSE;
+          goto fail;
       }
 
       ReadFile(hf, buff, size, &res, NULL);
@@ -213,10 +213,10 @@ BOOL NE_LoadSegment( NE_MODULE *pModule, WORD segnum )
     NE_FixupSegmentPrologs( pModule, segnum );
 
     if (!(pSeg->flags & NE_SEGFLAGS_RELOC_DATA))
-        return TRUE;  /* No relocation data, we are done */
+        goto succeed;  /* No relocation data, we are done */
 
     ReadFile(hf, &count, sizeof(count), &res, NULL);
-    if (!count) return TRUE;
+    if (!count) goto succeed;
 
     TRACE_(fixup)("Fixups for %.*s, segment %d, hSeg %04x\n",
                    *((BYTE *)pModule + pModule->name_table),
@@ -230,13 +230,13 @@ BOOL NE_LoadSegment( NE_MODULE *pModule, WORD segnum )
     reloc_entries = (struct relocation_entry_s *)HeapAlloc(GetProcessHeap(), 0, count * sizeof(struct relocation_entry_s));
     if(reloc_entries == NULL) {
         WARN_(fixup)("Not enough memory for relocation entries!");
-        return FALSE;
+        goto fail;
     }
     if (!ReadFile( hf, reloc_entries, count * sizeof(struct relocation_entry_s), &res, NULL) ||
         (res != count * sizeof(struct relocation_entry_s)))
     {
         WARN_(fixup)("Unable to read relocation information\n" );
-        return FALSE;
+        goto fail;
     }
 
     /*
@@ -419,6 +419,9 @@ BOOL NE_LoadSegment( NE_MODULE *pModule, WORD segnum )
     }
 
     HeapFree(GetProcessHeap(), 0, reloc_entries);
+
+succeed:
+    CloseHandle(hf);
     return TRUE;
 
 unknown:
@@ -427,6 +430,9 @@ unknown:
          i + 1, rep->address_type, rep->relocation_type,
          rep->offset, rep->target1, rep->target2);
     HeapFree(GetProcessHeap(), 0, reloc_entries);
+
+fail:
+    CloseHandle(hf);
     return FALSE;
 }
 
@@ -464,8 +470,7 @@ BOOL NE_LoadAllSegments( NE_MODULE *pModule )
         NtCurrentTeb()->cur_stack = MAKESEGPTR(pModule->self_loading_sel,
                                                0xff00 - sizeof(STACK16FRAME) );
 
-        DuplicateHandle( GetCurrentProcess(), NE_OpenFile(pModule),
-                         GetCurrentProcess(), &hf, 0, FALSE, DUPLICATE_SAME_ACCESS );
+        hf = NE_OpenFile(pModule);
         hFile16 = Win32HandleToDosFileHandle( hf );
         TRACE_(dll)("CallBootAppProc(hModule=0x%04x,hf=0x%04x)\n",
               pModule->self,hFile16);
-- 
2.11.4.GIT