ntdll: Avoid calling DbgBreakPoint() in process_breakpoint().

dlls/kernel32/tests/debugger.c

@@ -1381,16 +1381,7 @@ static void test_debug_children(const char *name, DWORD flag, BOOL debug_child,
 
         /* Except for wxppro and w2008, the initial breakpoint is now somewhere else, possibly within LdrInitShimEngineDynamic,
          * It's also catching exceptions and ContinueDebugEvent(DBG_EXCEPTION_NOT_HANDLED) should not crash the child now */
-        if (broken(ctx.ev.u.Exception.ExceptionRecord.ExceptionAddress == pDbgBreakPoint))
-        {
-            win_skip("Ignoring initial breakpoint address check\n");
-            pass_exception = FALSE;
-        }
-        else
-        {
-            todo_wine
         ok(ctx.ev.u.Exception.ExceptionRecord.ExceptionAddress != pDbgBreakPoint, "ExceptionAddress == pDbgBreakPoint\n");
-        }
 
         if (pass_exception)
         {

dlls/ntdll/signal_i386.c

@@ -636,7 +636,7 @@ void WINAPI process_breakpoint(void)
 {
     __TRY
     {
-        DbgBreakPoint();
+        __asm__ volatile("int $3");
     }
     __EXCEPT_ALL
     {

dlls/ntdll/signal_x86_64.c

@@ -1734,7 +1734,7 @@ void WINAPI process_breakpoint(void)
 {
     __TRY
     {
-        DbgBreakPoint();
+        __asm__ volatile("int $3");
     }
     __EXCEPT_ALL
     {