Changeset 4108 for branches/GRACE/src/win32k/misc/OS2KPTDA.c

Timestamp:

Aug 29, 2000, 12:44:25 AM (25 years ago)

Author:

bird

Message:

New import (ptda_ptdasem).
Found and corrected problem with deadlock in myLDRQAppType. (Had to
take the intra-process semaphore (ptda_ptdasem) first.)

File:

• branches/GRACE/src/win32k/misc/OS2KPTDA.c (modified) (5 diffs)

branches/GRACE/src/win32k/misc/OS2KPTDA.c

@@ -1 @@
-/* $Id: OS2KPTDA.c,v 1.1.2.2 2000-08-17 08:23:35 bird Exp $
+/* $Id: OS2KPTDA.c,v 1.1.2.3 2000-08-28 22:44:24 bird Exp $
  *
  * PTDA access functions.
@@ -9 +9 @@
  */
 
+/*******************************************************************************
+*   Defined Constants And Macros                                               *
+*******************************************************************************/
+#define INCL_OS2KRNL_SEM
+#define INCL_OS2KRNL_PTDA
 
 /*******************************************************************************
@@ -14 +19 @@
 *******************************************************************************/
 #include <os2.h>
-#include <OS2KPTDA.h>
+#include <OS2Krnl.h>
 
 
@@ -28 +33 @@
 extern ULONG    pptda_start;
 extern ULONG    pptda_environ;
+extern ULONG    pptda_ptdasem;
 extern ULONG    pptda_module;
 
@@ -55 +61 @@
 
 
+/**
+ * Gets the ptda_ptdasem PTDA member. This member holds the intra-process semaphore which
+ * for example is used to serialize _LDRQAppType.
+ * @returns     Content of the pPTDA->ptda_ptdasem member.
+ * @param       pPTDA   PTDA Pointer. (NULL is not allowed!)
+ */
+HKSEMMTX    ptda_ptda_ptdasem(PPTDA pPTDA)
+{
+    return (HKSEMMTX)(void*)(((char*)(void*)pPTDA) + (pptda_ptdasem - pptda_start));
+}