Changeset 74790 in vbox for trunk/include/VBox/vmm

Timestamp:

Oct 12, 2018 10:42:58 AM (7 years ago)

Author:

vboxsync

svn:sync-xref-src-repo-rev:

125734

Message:

vm.h,VMM: Use VM_FF_IS_SET instead of VM_FF_IS_PENDING when checking a single flag. Added compile time assertion on single flag. bugref:9180

File:

• trunk/include/VBox/vmm/vm.h (modified) (1 diff)

trunk/include/VBox/vmm/vm.h

@@ -692 +692 @@
 
 /** @def VM_FF_IS_SET
- * Checks if a force action flag is set.
+ * Checks if single a force action flag is set.
  *
  * @param   pVM     The cross context VM structure.
  * @param   fFlag   The flag to check.
- */
-#define VM_FF_IS_SET(pVM, fFlag)            (((pVM)->fGlobalForcedActions & (fFlag)) == (fFlag))
-
+ * @sa      VM_FF_IS_ANY_SET
+ */
+#if !defined(VBOX_STRICT) || !defined(RT_COMPILER_SUPPORTS_LAMBDA)
+# define VM_FF_IS_SET(pVM, fFlag)           (((pVM)->fGlobalForcedActions & (fFlag)) == (fFlag))
+#else
+# define VM_FF_IS_SET(pVM, fFlag) \
+    ([](PVM a_pVM) -> bool \
+    { \
+        AssertCompile(RT_IS_POWER_OF_TWO(fFlag)); \
+        return (a_pVM->fGlobalForcedActions & (fFlag)) == (fFlag); \
+    }(pVM))
+#endif
 
 /** @def VMCPU_FF_IS_SET
- * Checks if a force action flag is set for the given VCPU.
+ * Checks if a single force action flag is set for the given VCPU.
  *
  * @param   pVCpu   The cross context virtual CPU structure.