Return negative errno (instead of positive) on failure.
http://ag/489245 changed some return values from bools to errno values. However,
in forthcoming CLs, @lorenzo uses the convention of negative errno to indicate
failure. So, be consistent with that style.
Change-Id: I3eac8f142c36a2e779cda289c07ee374c49e2f6b
diff --git a/client/FwmarkClient.h b/client/FwmarkClient.h
index 37f89bc..620275e 100644
--- a/client/FwmarkClient.h
+++ b/client/FwmarkClient.h
@@ -29,7 +29,7 @@
~FwmarkClient();
// Sends |data| to the fwmark server, along with |fd| as ancillary data using cmsg(3).
- // Returns 0 on success or an errno value on failure.
+ // Returns 0 on success or a negative errno value on failure.
int send(void* data, size_t len, int fd);
private: