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-rw-r--r--tapset/tcp.stp6
1 files changed, 4 insertions, 2 deletions
diff --git a/tapset/tcp.stp b/tapset/tcp.stp
index 1357e587..55f5391d 100644
--- a/tapset/tcp.stp
+++ b/tapset/tcp.stp
@@ -137,7 +137,8 @@ probe tcp.sendmsg = kernel.function("tcp_sendmsg") {
// The process which sends a tcp message
//
// Arguments:
-// size - number of bytes sent
+// size - number of bytes sent or
+// error code if an error occurred.
//
probe tcp.sendmsg.return = kernel.function("tcp_sendmsg").return {
size = $return
@@ -167,7 +168,8 @@ probe tcp.recvmsg = kernel.function("tcp_recvmsg") {
// The process which receives a tcp message
//
// Arguments:
-// size - number of bytes received
+// size - number of bytes received or
+// error code if an error occurred.
//
probe tcp.recvmsg.return = kernel.function("tcp_recvmsg").return {
size = $return