X-Git-Url: https://git.ozlabs.org/?p=ccan;a=blobdiff_plain;f=ccan%2Fio%2Fbackend.h;h=77d51dda9bf1825a6e02a6be85b3a0f3184c5804;hp=30a338f77a73958eaf83acad62eb87b027d27025;hb=e40f5c50a7a930fc98974936b7366b498ebf984c;hpb=5a7e32bdb9b9c2273ef4cce8b35e23f177c504df

diff --git a/ccan/io/backend.h b/ccan/io/backend.h
index 30a338f7..77d51dda 100644
--- a/ccan/io/backend.h
+++ b/ccan/io/backend.h
@@ -4,6 +4,13 @@
 #include <stdbool.h>
 #include <ccan/timer/timer.h>
 
+struct io_alloc {
+	void *(*alloc)(size_t size);
+	void *(*realloc)(void *ptr, size_t size);
+	void (*free)(void *ptr);
+};
+extern struct io_alloc io_alloc;
+
 struct fd {
 	int fd;
 	bool listener;