kernel: add c++ support

include/socks/queue.h

@@ -4,6 +4,10 @@
 #include <socks/libc/string.h>
 #include <stdbool.h>
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 #define QUEUE_CONTAINER(t, m, v) ((void *)((v) ? (uintptr_t)(v) - (offsetof(t, m)) : 0))
 
 #define QUEUE_INIT ((queue_t){ .q_first = NULL, .q_last = NULL })
@@ -51,4 +55,8 @@ extern queue_entry_t *queue_pop_back(queue_t *q);
 extern void queue_delete(queue_t *q, queue_entry_t *entry);
 extern void queue_delete_all(queue_t *q);
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif