Changeset 3803 for branches/libc-0.6

Timestamp:

Feb 5, 2014, 8:25:05 PM (12 years ago)

Author:

bird

Message:

InnoTekLIBC/fork.h: Mark fork callback structures as used to try convince GCC to keep them.

File:

• branches/libc-0.6/src/emx/include/InnoTekLIBC/fork.h (modified) (3 diffs)

branches/libc-0.6/src/emx/include/InnoTekLIBC/fork.h

@@ -508 +508 @@
 
 
+/** @def _FORK_DATA_USED
+ * Internal macro for convincing GCC to keep our fork callback structures. */
+#if __GNUC_PREREQ__(4,2)
+# define _FORK_DATA_USED() __attribute__((__used__))
+#else
+# define _FORK_DATA_USED()
+#endif
+
 /** @def _FORK_PARENT1
  * This macro is used to setup automatic fork callbacks for
@@ -518 +526 @@
  */
 #define _FORK_PARENT1(uPriority, pfnCallback) \
-    static const __LIBC_FORKCALLBACK __fork_parent1_##pfnCallback = { pfnCallback, uPriority + (unsigned)(&__fork_parent1_##pfnCallback - &__fork_parent1_##pfnCallback) }; \
+    static const __LIBC_FORKCALLBACK _FORK_DATA_USED() __fork_parent1_##pfnCallback = { pfnCallback, uPriority + (unsigned)(&__fork_parent1_##pfnCallback - &__fork_parent1_##pfnCallback) }; \
     __asm__ (".stabs \"___fork_parent1__\", 23, 0, 0, ___fork_parent1_" #pfnCallback);
 
@@ -531 +539 @@
  */
 #define _FORK_CHILD1(uPriority, pfnCallback) \
-    static const __LIBC_FORKCALLBACK __fork_child1_##pfnCallback  = { pfnCallback, uPriority + (unsigned)(&__fork_child1_##pfnCallback - &__fork_child1_##pfnCallback) }; \
+    static const __LIBC_FORKCALLBACK _FORK_DATA_USED() __fork_child1_##pfnCallback  = { pfnCallback, uPriority + (unsigned)(&__fork_child1_##pfnCallback - &__fork_child1_##pfnCallback) }; \
     __asm__ (".stabs \"___fork_child1__\",  23, 0, 0, ___fork_child1_" #pfnCallback );