kernel: add c++ support

include/socks/memblock.h

@@ -14,7 +14,7 @@
   - Redistributions in binary form must reproduce the above copyright
     notice, this list of conditions and the following disclaimer in the
     documentation and/or other materials provided with the distribution.
-  
+
   - Neither the name of the copyright holder nor the names of its
     contributors may be used to endorse or promote products derived from this
     software without specific prior written permission.
@@ -26,6 +26,10 @@
 #include <limits.h>
 #include <socks/types.h>
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 #define MEMBLOCK_INIT_MEMORY_REGION_COUNT 128
 #define MEMBLOCK_INIT_RESERVED_REGION_COUNT 128
 
@@ -50,7 +54,7 @@
             if you don't want to use an upper bound, pass UINTPTR_MAX.
 
    EXAMPLE: to iterate through all memory regions (with no bounds):
-   
+
      memblock_iter_t it;
      for_each_mem_region (&it, 0x0, UINTPTR_MAX) { ... }
 
@@ -80,7 +84,7 @@
             if you don't want to use an upper bound, pass UINTPTR_MAX.
 
    EXAMPLE: to iterate through all reserved memory regions (with no bounds):
-   
+
      memblock_iter_t it;
      for_each_reserved_mem_region (&it, 0x0, UINTPTR_MAX) { ... }
 
@@ -319,4 +323,8 @@ extern void __next_memory_region(memblock_iter_t *it, \
 		memblock_type_t *type_a, memblock_type_t *type_b,
 		phys_addr_t start, phys_addr_t end);
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif