More c++ things

Author: Marcus Watts

gc.h

@@ -31,6 +31,10 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #ifndef __GC_H__
 #define __GC_H__
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 typedef struct gc_st gc_t;
 
 typedef struct gc_global_st gc_global_t;
@@ -80,4 +84,8 @@ void _destroy_gc_subsystem(gc_global_t *);
 char *gc_get_tag(gc_global_t *, int alloc_id);
 int gc_get_blocksize(gc_global_t *, int alloc_id);
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif /* __GC_H__ */

osi_mcas_obj_cache.h

@@ -5,6 +5,10 @@
 #include "portable_defns.h"
 #include "gc.h"
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 typedef int osi_mcas_obj_cache_t;
 
 /* Create a new MCAS GC pool, and return its identifier, which
@@ -23,4 +27,8 @@ void osi_mcas_obj_cache_free(gc_global_t *, osi_mcas_obj_cache_t, void *);
 /* Terminate an MCAS GC pool */
 void osi_mcas_obj_cache_destroy(osi_mcas_obj_cache_t gc_id);
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif /* __OSI_MCAS_OBJ_CACHE_H */

set_queue_adt.h

@@ -46,6 +46,10 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #define __SET_ADT_H__
 
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 typedef void *setkey_t;
 typedef void *setval_t;
 
@@ -163,4 +167,8 @@ void osi_cas_skip_for_each(gc_global_t *, osi_set_t * l,
 			   osi_set_each_func each_func, void *arg);
 
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif /* __SET_ADT_H__ */