X-Git-Url: https://mattmccutchen.net/rsync/rsync.git/blobdiff_plain/0f9555207a9549a0340d8de49abe9a9438be7018..5d2640376e3b5b21f6049161b55baf6f4e2acce8:/socket.c

diff --git a/socket.c b/socket.c
index eb1ab3f5..88228046 100644
--- a/socket.c
+++ b/socket.c
@@ -817,16 +817,26 @@ static int socketpair_tcp(int fd[2])
 }
 
 
-/*******************************************************************
-run a program on a local tcp socket, this is used to launch smbd
-when regression testing
-the return value is a socket which is attached to a subprocess
-running "prog". stdin and stdout are attached. stderr is left
-attached to the original stderr
- ******************************************************************/
+
+/**
+ * Run a program on a local tcp socket, so that we can talk to it's
+ * stdin and stdout.  This is used to launch ssh and similar
+ * connection helper programs for rsync.
+ *
+ * @return a socket which is attached to a subprocess running
+ * "prog". stdin and stdout are attached. stderr is left attached to
+ * the original stderr
+ **/
 int sock_exec(const char *prog)
 {
 	int fd[2];
+
+	if (verbose > 0) {
+		rprintf(FINFO, RSYNC_NAME
+			": open connection using \"%s\"\n",
+			prog);
+	}
+	
 	if (socketpair_tcp(fd) != 0) {
 		rprintf (FERROR, RSYNC_NAME
 			 ": socketpair_tcp failed (%s)\n",
@@ -839,10 +849,12 @@ int sock_exec(const char *prog)
 		close(1);
 		dup(fd[1]);
 		dup(fd[1]);
-		if (verbose > 3)
+		if (verbose > 3) {
+			/* Can't use rprintf because we've forked. */
 			fprintf (stderr,
 				 RSYNC_NAME ": execute socket program \"%s\"\n",
 				 prog);
+		}
 		exit (system (prog));
 	}
 	close (fd[1]);