Changeset 72625 in vbox for trunk/include/iprt

Timestamp:

Jun 20, 2018 12:21:30 PM (7 years ago)

Author:

vboxsync

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

123127

Message:

iprt/mem.h: Added RTMEM_WILL_LEAK and RTMEM_MAY_LEAK macros for marking memory as leaked on higher levels. Made VBOX_GCC_SANITIZER_FLAGS define an IPRT friendly indicator, is VBOX_XXXX is still stricly forbidden in Runtime/.

File:

• trunk/include/iprt/mem.h (modified) (1 diff)

trunk/include/iprt/mem.h

@@ -499 +499 @@
  */
 RTDECL(void) RTMemWipeThoroughly(void *pv, size_t cb, size_t cMinPasses) RT_NO_THROW_PROTO;
+
+
+/** @def RTMEM_WILL_LEAK
+ * Macro for hinting that a memory allocation @a a_pv will leak.
+ *
+ * @note This shall only be used in code that doesn't allocate the object.
+ *       Code allocating memory knowing it will leak shall start the allocation
+ *       tag string with 'will-leak:'.
+ */
+/** @def RTMEM_MAY_LEAK
+ * Macro for hinting that a memory allocation @a a_pv may leak.
+ *
+ * @note This shall only be used in code that doesn't allocate the object.
+ *       Code allocating memory knowing it may leak shall start the allocation
+ *       tag string with 'may-leak:'.
+ */
+#ifdef IPRT_WITH_GCC_SANITIZER
+# define RTMEM_WILL_LEAK(a_pv)   __lsan_ignore_object(a_pv)
+# define RTMEM_MAY_LEAK(a_pv)    __lsan_ignore_object(a_pv)
+#else
+# define RTMEM_WILL_LEAK(a_pv)   do { } while (0)
+# define RTMEM_MAY_LEAK(a_pv)    do { } while (0)
+#endif
+
 
 #ifdef IN_RING0