9 files changed, 18 insertions, 30 deletions
diff --git a/include/io/channel-buffer.h b/include/io/channel-buffer.h
index 344d5957fd..89632ef437 100644
--- a/include/io/channel-buffer.h
+++ b/include/io/channel-buffer.h
@@ -26,8 +26,8 @@
 
 #define TYPE_QIO_CHANNEL_BUFFER "qio-channel-buffer"
 typedef struct QIOChannelBuffer QIOChannelBuffer;
-#define QIO_CHANNEL_BUFFER(obj)                                     \
-    OBJECT_CHECK(QIOChannelBuffer, (obj), TYPE_QIO_CHANNEL_BUFFER)
+DECLARE_INSTANCE_CHECKER(QIOChannelBuffer, QIO_CHANNEL_BUFFER,
+                         TYPE_QIO_CHANNEL_BUFFER)
 
 
 /**
diff --git a/include/io/channel-command.h b/include/io/channel-command.h
index b1671062d0..4b64ff011b 100644
--- a/include/io/channel-command.h
+++ b/include/io/channel-command.h
@@ -26,8 +26,8 @@
 
 #define TYPE_QIO_CHANNEL_COMMAND "qio-channel-command"
 typedef struct QIOChannelCommand QIOChannelCommand;
-#define QIO_CHANNEL_COMMAND(obj)                                     \
-    OBJECT_CHECK(QIOChannelCommand, (obj), TYPE_QIO_CHANNEL_COMMAND)
+DECLARE_INSTANCE_CHECKER(QIOChannelCommand, QIO_CHANNEL_COMMAND,
+                         TYPE_QIO_CHANNEL_COMMAND)
 
 
 
diff --git a/include/io/channel-file.h b/include/io/channel-file.h
index d91c9f5bc1..c6caf179d9 100644
--- a/include/io/channel-file.h
+++ b/include/io/channel-file.h
@@ -26,8 +26,8 @@
 
 #define TYPE_QIO_CHANNEL_FILE "qio-channel-file"
 typedef struct QIOChannelFile QIOChannelFile;
-#define QIO_CHANNEL_FILE(obj)                                     \
-    OBJECT_CHECK(QIOChannelFile, (obj), TYPE_QIO_CHANNEL_FILE)
+DECLARE_INSTANCE_CHECKER(QIOChannelFile, QIO_CHANNEL_FILE,
+                         TYPE_QIO_CHANNEL_FILE)
 
 
 /**
diff --git a/include/io/channel-socket.h b/include/io/channel-socket.h
index ee898d991b..62e3e2e970 100644
--- a/include/io/channel-socket.h
+++ b/include/io/channel-socket.h
@@ -28,8 +28,8 @@
 
 #define TYPE_QIO_CHANNEL_SOCKET "qio-channel-socket"
 typedef struct QIOChannelSocket QIOChannelSocket;
-#define QIO_CHANNEL_SOCKET(obj)                                     \
-    OBJECT_CHECK(QIOChannelSocket, (obj), TYPE_QIO_CHANNEL_SOCKET)
+DECLARE_INSTANCE_CHECKER(QIOChannelSocket, QIO_CHANNEL_SOCKET,
+                         TYPE_QIO_CHANNEL_SOCKET)
 
 
 /**
diff --git a/include/io/channel-tls.h b/include/io/channel-tls.h
index ebd42f981e..036bf54195 100644
--- a/include/io/channel-tls.h
+++ b/include/io/channel-tls.h
@@ -28,8 +28,8 @@
 
 #define TYPE_QIO_CHANNEL_TLS "qio-channel-tls"
 typedef struct QIOChannelTLS QIOChannelTLS;
-#define QIO_CHANNEL_TLS(obj)                                     \
-    OBJECT_CHECK(QIOChannelTLS, (obj), TYPE_QIO_CHANNEL_TLS)
+DECLARE_INSTANCE_CHECKER(QIOChannelTLS, QIO_CHANNEL_TLS,
+                         TYPE_QIO_CHANNEL_TLS)
 
 
 /**
diff --git a/include/io/channel-websock.h b/include/io/channel-websock.h
index 5ab8811306..b07eddabe1 100644
--- a/include/io/channel-websock.h
+++ b/include/io/channel-websock.h
@@ -28,8 +28,8 @@
 
 #define TYPE_QIO_CHANNEL_WEBSOCK "qio-channel-websock"
 typedef struct QIOChannelWebsock QIOChannelWebsock;
-#define QIO_CHANNEL_WEBSOCK(obj)                                     \
-    OBJECT_CHECK(QIOChannelWebsock, (obj), TYPE_QIO_CHANNEL_WEBSOCK)
+DECLARE_INSTANCE_CHECKER(QIOChannelWebsock, QIO_CHANNEL_WEBSOCK,
+                         TYPE_QIO_CHANNEL_WEBSOCK)
 
 typedef union QIOChannelWebsockMask QIOChannelWebsockMask;
 
diff --git a/include/io/channel.h b/include/io/channel.h
index 67b9768eff..3ebdc7954f 100644
--- a/include/io/channel.h
+++ b/include/io/channel.h
@@ -28,12 +28,8 @@
 #define TYPE_QIO_CHANNEL "qio-channel"
 typedef struct QIOChannel QIOChannel;
 typedef struct QIOChannelClass QIOChannelClass;
-#define QIO_CHANNEL(obj)                                    \
-    OBJECT_CHECK(QIOChannel, (obj), TYPE_QIO_CHANNEL)
-#define QIO_CHANNEL_CLASS(klass)                                    \
-    OBJECT_CLASS_CHECK(QIOChannelClass, klass, TYPE_QIO_CHANNEL)
-#define QIO_CHANNEL_GET_CLASS(obj)                                  \
-    OBJECT_GET_CLASS(QIOChannelClass, obj, TYPE_QIO_CHANNEL)
+DECLARE_OBJ_CHECKERS(QIOChannel, QIOChannelClass,
+                     QIO_CHANNEL, TYPE_QIO_CHANNEL)
 
 
 #define QIO_CHANNEL_ERR_BLOCK -2
diff --git a/include/io/dns-resolver.h b/include/io/dns-resolver.h
index 5e720bf267..96a3186b6b 100644
--- a/include/io/dns-resolver.h
+++ b/include/io/dns-resolver.h
@@ -28,12 +28,8 @@
 #define TYPE_QIO_DNS_RESOLVER "qio-dns-resolver"
 typedef struct QIODNSResolver QIODNSResolver;
 typedef struct QIODNSResolverClass QIODNSResolverClass;
-#define QIO_DNS_RESOLVER(obj)                                    \
-    OBJECT_CHECK(QIODNSResolver, (obj), TYPE_QIO_DNS_RESOLVER)
-#define QIO_DNS_RESOLVER_CLASS(klass)                                    \
-    OBJECT_CLASS_CHECK(QIODNSResolverClass, klass, TYPE_QIO_DNS_RESOLVER)
-#define QIO_DNS_RESOLVER_GET_CLASS(obj)                                  \
-    OBJECT_GET_CLASS(QIODNSResolverClass, obj, TYPE_QIO_DNS_RESOLVER)
+DECLARE_OBJ_CHECKERS(QIODNSResolver, QIODNSResolverClass,
+                     QIO_DNS_RESOLVER, TYPE_QIO_DNS_RESOLVER)
 
 
 /**
diff --git a/include/io/net-listener.h b/include/io/net-listener.h
index fbdd2dbf9a..93367db291 100644
--- a/include/io/net-listener.h
+++ b/include/io/net-listener.h
@@ -27,12 +27,8 @@
 #define TYPE_QIO_NET_LISTENER "qio-net-listener"
 typedef struct QIONetListener QIONetListener;
 typedef struct QIONetListenerClass QIONetListenerClass;
-#define QIO_NET_LISTENER(obj)                                    \
-    OBJECT_CHECK(QIONetListener, (obj), TYPE_QIO_NET_LISTENER)
-#define QIO_NET_LISTENER_CLASS(klass)                                    \
-    OBJECT_CLASS_CHECK(QIONetListenerClass, klass, TYPE_QIO_NET_LISTENER)
-#define QIO_NET_LISTENER_GET_CLASS(obj)                                  \
-    OBJECT_GET_CLASS(QIONetListenerClass, obj, TYPE_QIO_NET_LISTENER)
+DECLARE_OBJ_CHECKERS(QIONetListener, QIONetListenerClass,
+                     QIO_NET_LISTENER, TYPE_QIO_NET_LISTENER)
 
 
 typedef void (*QIONetListenerClientFunc)(QIONetListener *listener,