gisi: Add client API to reset instance

Calling this method will cancel any pending requests, and unsubscribe
from any pending subscriptions.

2 files changed, 14 insertions, 1 deletions

diff --git a/gisi/client.c b/gisi/client.c
index d1fad2ea..e536d4e3 100644
--- a/gisi/client.c
+++ b/gisi/client.c
@@ -127,13 +127,25 @@ static void foreach_destroy(gpointer value, gpointer user)
 	g_isi_pending_remove(op);
 }
 
-void g_isi_client_destroy(GIsiClient *client)
+void g_isi_client_reset(GIsiClient *client)
 {
 	if (client == NULL)
 		return;
 
+	if (!client->pending)
+		return;
+
 	g_slist_foreach(client->pending, foreach_destroy, client);
 	g_slist_free(client->pending);
+	client->pending = NULL;
+};
+
+void g_isi_client_destroy(GIsiClient *client)
+{
+	if (!client)
+		return;
+
+	g_isi_client_reset(client);
 	g_free(client);
 }
 
diff --git a/gisi/client.h b/gisi/client.h
index 51acf0aa..ea140ed1 100644
--- a/gisi/client.h
+++ b/gisi/client.h
@@ -37,6 +37,7 @@ typedef struct _GIsiClient GIsiClient;
 GIsiClient *g_isi_client_create(GIsiModem *modem, uint8_t resource);
 GIsiModem *g_isi_client_modem(GIsiClient *client);
 uint8_t g_isi_client_resource(GIsiClient *client);
+void g_isi_client_reset(GIsiClient *client);
 void g_isi_client_destroy(GIsiClient *client);
 
 GIsiPending *g_isi_client_send(GIsiClient *client, const void *__restrict msg,