From: Free Ekanayaka <free@64studio.com>
Description: Fix lost connection on multiple fast reconnections
 Fix a problem with jack_connect using a hard coded JACK client name and
 when calling jack_connect or jack_disconnect multiple times in a fast
 sequence, then the subsequent jack_(dis)connect calls fail.
Last-Update: 2010-04-03
--- a/example-clients/connect.c
+++ b/example-clients/connect.c
@@ -20,6 +20,7 @@
 #include <errno.h>
 #ifndef WIN32
 #include <unistd.h>
+#include <sys/types.h> /* for getpid() */
 #endif
 #include <string.h>
 #include <stdlib.h>
@@ -44,6 +45,7 @@
 {
 	jack_client_t* client = NULL;
 	char *my_name = strrchr(argv[0], '/');
+	char my_client_name[80];
 	connecting = disconnecting = FALSE;
 	if (my_name == 0) {
 		my_name = argv[0];
@@ -63,6 +65,8 @@
 		return 1;
 	}
 
+	printf("connecting %ld\n",connecting);
+
 	if (argc != 3) {
 		fprintf (stderr, "usage: %s <src_port> <dst_port>\n", my_name);
 		fprintf(stderr, "The source port must be an output port of the source client.\n");
@@ -70,9 +74,16 @@
 		return 1;
 	}
 
+#ifndef WIN32
+	/* try to assemble an unique JACK client name */
+	sprintf(my_client_name, "jack_connect%d", getpid());
+#else
+	sprintf(my_client_name, "jack_connect");
+#endif
+
 	/* try to become a client of the JACK server */
 
-	if ((client = jack_client_open (my_name, JackNullOption, NULL)) == 0) {
+	if ((client = jack_client_new (my_client_name)) == 0) {
 		fprintf (stderr, "jack server not running?\n");
 		return 1;
 	}