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-rw-r--r--src/libslirp.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/libslirp.h b/src/libslirp.h
index 5760d53..8e4ea33 100644
--- a/src/libslirp.h
+++ b/src/libslirp.h
@@ -68,7 +68,8 @@ typedef struct SlirpCb {
void (*register_poll_fd)(int fd, void *opaque);
/* Unregister a fd */
void (*unregister_poll_fd)(int fd, void *opaque);
- /* Kick the io-thread, to signal that new events may be processed */
+ /* Kick the io-thread, to signal that new events may be processed because some TCP buffer
+ * can now receive more data, i.e. slirp_socket_can_recv will return 1. */
void (*notify)(void *opaque);
} SlirpCb;