Merge pull request #1310 from cracyc/taskswitch

post a message in taskswitch to wake task if needed, don't yield in d…
otya128 · Aug 7, 2023 · e9e8773 · e9e8773
2 parents beec22f + b2e6931
commit e9e8773
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Showing 4 changed files with 21 additions and 16 deletions.
diff --git a/gdi/gdi.c b/gdi/gdi.c
@@ -3476,19 +3476,12 @@ BOOL16 WINAPI GetRasterizerCaps16( LPRASTERIZER_STATUS lprs, UINT16 cbNumBytes )
 INT16 WINAPI EnumFontFamilies16( HDC16 hDC, LPCSTR lpFamily,
  FONTENUMPROC16 efproc, LPARAM lpData )
 {
- LOGFONT16 lf, *plf;
-
- if (lpFamily)
- {
- if (!*lpFamily) return 1;
- lstrcpynA( lf.lfFaceName, lpFamily, LF_FACESIZE );
- lf.lfCharSet = DEFAULT_CHARSET;
- lf.lfPitchAndFamily = 0;
- plf = &lf;
- }
- else plf = NULL;
+ struct callback16_info info;
 
- return EnumFontFamiliesEx16( hDC, plf, efproc, lpData, 0 );
+ info.proc = (FARPROC16)efproc;
+ info.param = lpData;
+ info.result = 1;
+ return EnumFontFamiliesA(HDC_32(hDC), lpFamily, enum_font_callback, (LPARAM)&info);
 }
 
 
@@ -5296,3 +5289,10 @@ BOOL WINAPI DllEntryPoint(DWORD fdwReason, HINSTANCE hinstDLL, WORD ds,
  }
  return TRUE;
 }
+
+HFONT16 WINAPI GetSystemIconFont16()
+{
+ // only known to be used by Simplified Chinese progman
+ // uses SPI_GETICONTITLELOGFONT if this returns 0
+ return 0;
+}
diff --git a/gdi/gdi.exe16.spec b/gdi/gdi.exe16.spec
@@ -106,7 +106,8 @@
 106 pascal SetBitmapBits(word long ptr) SetBitmapBits16
 # ??? (not even in W1.1)
 117 pascal SetDCOrg(word s_word s_word) SetDCOrg16
-118 stub InternalCreateDC # W1.1, W2.0
+# 118 stub InternalCreateDC # W1.1, W2.0
+118 pascal -ret16 GetSystemIconFont() GetSystemIconFont16
 119 pascal -ret16 AddFontResource(str) AddFontResource16
 120 stub GetContinuingTextExtent # W1.1, W2.0
 121 pascal -ret16 Death(word) Death16

diff --git a/krnl386/kernel.c b/krnl386/kernel.c
@@ -1173,6 +1173,7 @@ BOOL WINAPI TaskSwitch16(HTASK16 htask, SEGPTR dwNewCSIP)
  BOOL s = TaskSetCSIP16(htask, SELECTOROF(dwNewCSIP), OFFSETOF(dwNewCSIP));
  if (s)
  {
+ PostThreadMessageA(HTASK_32(htask), 0, 0, 0);
  DirectedYield16(htask);
  }
  return s;

diff --git a/user/window.c b/user/window.c
@@ -21,9 +21,9 @@
 #include "wine/winuser16.h"
 #include "wownt32.h"
 #include "user_private.h"
-#include "wine/server.h"
 #include "wine/debug.h"
 #include "wine/exception.h"
+#include "../krnl386/kernel16_private.h"
 
 WINE_DEFAULT_DEBUG_CHANNEL(win);
 
@@ -2970,11 +2970,14 @@ HWND16 WINAPI FindWindowEx16( HWND16 parent, HWND16 child, LPCSTR className, LPC
 LRESULT def_frame_proc_callback(HWND hwnd, UINT msg, WPARAM wp, LPARAM lp, LRESULT *result, void *arg)
 {
  DWORD count;
- ReleaseThunkLock(&count);
+ HANDLE yevent = kernel_get_thread_data()->yield_event;
+ if (!yevent)
+ ReleaseThunkLock(&count);
  if (hwnd == (HWND)arg)
  arg = NULL;
  *result = DefFrameProcA(hwnd, (HWND)arg, msg, wp, lp);
- RestoreThunkLock(count);
+ if (!yevent)
+ RestoreThunkLock(count);
  return *result;
 }
 /***********************************************************************