[libvirt] [libvirt-glib] Fix compilation with glib 2.22

Christophe Fergeau cfergeau at redhat.com
Wed Jan 18 11:14:46 UTC 2012


This commit raises glib required version to 2.22 or newer, adds a few
missing functions to libvirt-gobject-compat.h and includes it in the
files using these functions.
---
 configure.ac                                    |    2 +-
 libvirt-gobject/Makefile.am                     |    1 +
 libvirt-gobject/libvirt-gobject-compat.c        |  104 +++++++++++++++++++++++
 libvirt-gobject/libvirt-gobject-compat.h        |   30 +++++++
 libvirt-gobject/libvirt-gobject-domain-device.c |    1 +
 libvirt-gobject/libvirt-gobject-input-stream.c  |    1 +
 libvirt-gobject/libvirt-gobject-interface.c     |    1 +
 libvirt-gobject/libvirt-gobject-output-stream.c |    1 +
 8 files changed, 140 insertions(+), 1 deletions(-)
 create mode 100644 libvirt-gobject/libvirt-gobject-compat.c

diff --git a/configure.ac b/configure.ac
index 79a6eff..9f550ae 100644
--- a/configure.ac
+++ b/configure.ac
@@ -10,7 +10,7 @@ AC_CANONICAL_HOST
 AM_SILENT_RULES([yes])
 
 LIBVIRT_REQUIRED=0.9.8
-GLIB2_REQUIRED=2.10.0
+GLIB2_REQUIRED=2.22.0
 GOBJECT2_REQUIRED=2.10.0
 GIO_REQUIRED=2.10.0
 GOBJECT_INTROSPECTION_REQUIRED=0.10.8
diff --git a/libvirt-gobject/Makefile.am b/libvirt-gobject/Makefile.am
index c4405f0..8531369 100644
--- a/libvirt-gobject/Makefile.am
+++ b/libvirt-gobject/Makefile.am
@@ -53,6 +53,7 @@ libvirt_gobject_1_0_la_SOURCES = \
 			$(GOBJECT_SOURCE_FILES) \
 			libvirt-gobject-domain-device-private.h \
 			libvirt-gobject-compat.h \
+			libvirt-gobject-compat.c \
 			libvirt-gobject-input-stream.h \
 			libvirt-gobject-input-stream.c \
 			libvirt-gobject-output-stream.h \
diff --git a/libvirt-gobject/libvirt-gobject-compat.c b/libvirt-gobject/libvirt-gobject-compat.c
new file mode 100644
index 0000000..7f51ecc
--- /dev/null
+++ b/libvirt-gobject/libvirt-gobject-compat.c
@@ -0,0 +1,104 @@
+/* -*- Mode: C; c-basic-offset: 4; indent-tabs-mode: nil -*- */
+/*
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   This library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with this library; if not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "libvirt-gobject-compat.h"
+
+#if !GLIB_CHECK_VERSION(2,28,0)
+/**
+ * g_simple_async_result_take_error: (skip)
+ * @simple: a #GSimpleAsyncResult
+ * @error: a #GError
+ *
+ * Sets the result from @error, and takes over the caller's ownership
+ * of @error, so the caller does not need to free it any more.
+ *
+ * Since: 2.28
+ **/
+G_GNUC_INTERNAL void
+g_simple_async_result_take_error (GSimpleAsyncResult *simple,
+                                  GError             *error)
+{
+    /* this code is different from upstream */
+    /* we can't avoid extra copy/free, since the simple struct is
+       opaque */
+    g_simple_async_result_set_from_error (simple, error);
+    g_error_free (error);
+}
+
+/**
+ * g_simple_async_result_new_take_error: (skip)
+ * @source_object: (allow-none): a #GObject, or %NULL
+ * @callback: (scope async): a #GAsyncReadyCallback
+ * @user_data: (closure): user data passed to @callback
+ * @error: a #GError
+ *
+ * Creates a #GSimpleAsyncResult from an error condition, and takes over the
+ * caller's ownership of @error, so the caller does not need to free it anymore.
+ *
+ * Returns: a #GSimpleAsyncResult
+ *
+ * Since: 2.28
+ **/
+GSimpleAsyncResult *
+g_simple_async_result_new_take_error (GObject             *source_object,
+                                      GAsyncReadyCallback  callback,
+                                      gpointer             user_data,
+                                      GError              *error)
+{
+  GSimpleAsyncResult *simple;
+
+  g_return_val_if_fail (!source_object || G_IS_OBJECT (source_object), NULL);
+
+  simple = g_simple_async_result_new (source_object,
+				      callback,
+				      user_data, NULL);
+  g_simple_async_result_take_error (simple, error);
+
+  return simple;
+}
+
+/**
+ * g_simple_async_report_take_gerror_in_idle: (skip)
+ * @object: (allow-none): a #GObject, or %NULL
+ * @callback: a #GAsyncReadyCallback.
+ * @user_data: user data passed to @callback.
+ * @error: the #GError to report
+ *
+ * Reports an error in an idle function. Similar to
+ * g_simple_async_report_gerror_in_idle(), but takes over the caller's
+ * ownership of @error, so the caller does not have to free it any more.
+ *
+ * Since: 2.28
+ **/
+void
+g_simple_async_report_take_gerror_in_idle (GObject *object,
+                                           GAsyncReadyCallback callback,
+                                           gpointer user_data,
+                                           GError *error)
+{
+  GSimpleAsyncResult *simple;
+
+  g_return_if_fail (!object || G_IS_OBJECT (object));
+  g_return_if_fail (error != NULL);
+
+  simple = g_simple_async_result_new_take_error (object,
+                                                 callback,
+                                                 user_data,
+                                                 error);
+  g_simple_async_result_complete_in_idle (simple);
+  g_object_unref (simple);
+}
+#endif
diff --git a/libvirt-gobject/libvirt-gobject-compat.h b/libvirt-gobject/libvirt-gobject-compat.h
index d410953..0c37537 100644
--- a/libvirt-gobject/libvirt-gobject-compat.h
+++ b/libvirt-gobject/libvirt-gobject-compat.h
@@ -24,6 +24,7 @@
 #define __LIBVIRT_GOBJECT_COMPAT_H__
 
 #include <glib-object.h>
+#include <gio/gio.h>
 
 #if !GLIB_CHECK_VERSION(2,26,0)
 #define G_DEFINE_BOXED_TYPE(TypeName, type_name, copy_func, free_func) G_DEFINE_BOXED_TYPE_WITH_CODE (TypeName, type_name, copy_func, free_func, {})
@@ -69,4 +70,33 @@ type_name##_get_type (void) \
 #endif /* __GNUC__ */
 #endif /* glib 2.26 */
 
+#if !GLIB_CHECK_VERSION(2,28,0)
+#define g_clear_object(object_ptr) \
+  G_STMT_START {                                                             \
+    /* Only one access, please */                                            \
+    gpointer *_p = (gpointer) (object_ptr);                                  \
+    gpointer _o;                                                             \
+                                                                             \
+    do                                                                       \
+      _o = g_atomic_pointer_get (_p);                                        \
+    while G_UNLIKELY (!g_atomic_pointer_compare_and_exchange (_p, _o, NULL));\
+                                                                             \
+    if (_o)                                                                  \
+      g_object_unref (_o);                                                   \
+  } G_STMT_END
+
+void
+g_simple_async_result_take_error(GSimpleAsyncResult *simple,
+                                 GError             *error);
+GSimpleAsyncResult *g_simple_async_result_new_take_error (GObject                 *source_object,
+                                                          GAsyncReadyCallback      callback,
+                                                          gpointer                 user_data,
+                                                          GError                  *error);
+void g_simple_async_report_take_gerror_in_idle (GObject            *object,
+                                                GAsyncReadyCallback callback,
+                                                gpointer            user_data,
+                                                GError             *error);
+#endif /* glib 2.28 */
+
+
 #endif /* __LIBVIRT_GOBJECT_COMPAT_H__ */
diff --git a/libvirt-gobject/libvirt-gobject-domain-device.c b/libvirt-gobject/libvirt-gobject-domain-device.c
index 4a46a1d..528b513 100644
--- a/libvirt-gobject/libvirt-gobject-domain-device.c
+++ b/libvirt-gobject/libvirt-gobject-domain-device.c
@@ -27,6 +27,7 @@
 
 #include "libvirt-glib/libvirt-glib.h"
 #include "libvirt-gobject/libvirt-gobject.h"
+#include "libvirt-gobject-compat.h"
 
 #include "libvirt-gobject/libvirt-gobject-domain-device-private.h"
 
diff --git a/libvirt-gobject/libvirt-gobject-input-stream.c b/libvirt-gobject/libvirt-gobject-input-stream.c
index 29d1c29..3e1ee20 100644
--- a/libvirt-gobject/libvirt-gobject-input-stream.c
+++ b/libvirt-gobject/libvirt-gobject-input-stream.c
@@ -29,6 +29,7 @@
 #include "libvirt-glib/libvirt-glib.h"
 #include "libvirt-gobject/libvirt-gobject.h"
 #include "libvirt-gobject-input-stream.h"
+#include "libvirt-gobject-compat.h"
 
 #define gvir_input_stream_get_type _gvir_input_stream_get_type
 G_DEFINE_TYPE(GVirInputStream, gvir_input_stream, G_TYPE_INPUT_STREAM);
diff --git a/libvirt-gobject/libvirt-gobject-interface.c b/libvirt-gobject/libvirt-gobject-interface.c
index 1fede51..095e22a 100644
--- a/libvirt-gobject/libvirt-gobject-interface.c
+++ b/libvirt-gobject/libvirt-gobject-interface.c
@@ -28,6 +28,7 @@
 
 #include "libvirt-glib/libvirt-glib.h"
 #include "libvirt-gobject/libvirt-gobject.h"
+#include "libvirt-gobject-compat.h"
 
 #define GVIR_INTERFACE_GET_PRIVATE(obj)                         \
         (G_TYPE_INSTANCE_GET_PRIVATE((obj), GVIR_TYPE_INTERFACE, GVirInterfacePrivate))
diff --git a/libvirt-gobject/libvirt-gobject-output-stream.c b/libvirt-gobject/libvirt-gobject-output-stream.c
index 88fff85..e1b6a6a 100644
--- a/libvirt-gobject/libvirt-gobject-output-stream.c
+++ b/libvirt-gobject/libvirt-gobject-output-stream.c
@@ -29,6 +29,7 @@
 #include "libvirt-glib/libvirt-glib.h"
 #include "libvirt-gobject/libvirt-gobject.h"
 #include "libvirt-gobject-output-stream.h"
+#include "libvirt-gobject-compat.h"
 
 #define gvir_output_stream_get_type _gvir_output_stream_get_type
 G_DEFINE_TYPE(GVirOutputStream, gvir_output_stream, G_TYPE_OUTPUT_STREAM);
-- 
1.7.7.5




More information about the libvir-list mailing list