libsysprof-analyze: add document type for fork

src/libsysprof-analyze/sysprof-document-fork.c

@@ -0,0 +1,95 @@
+/* sysprof-document-fork.c
+ *
+ * Copyright 2023 Christian Hergert <chergert@redhat.com>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ */
+
+#include "config.h"
+
+#include "sysprof-document-frame-private.h"
+#include "sysprof-document-fork.h"
+
+struct _SysprofDocumentFork
+{
+  SysprofDocumentFrame parent_instance;
+};
+
+struct _SysprofDocumentForkClass
+{
+  SysprofDocumentFrameClass parent_class;
+};
+
+enum {
+  PROP_0,
+  PROP_CHILD_PID,
+  N_PROPS
+};
+
+G_DEFINE_FINAL_TYPE (SysprofDocumentFork, sysprof_document_fork, SYSPROF_TYPE_DOCUMENT_FRAME)
+
+static GParamSpec *properties [N_PROPS];
+
+static void
+sysprof_document_fork_get_property (GObject    *object,
+                                      guint       prop_id,
+                                      GValue     *value,
+                                      GParamSpec *pspec)
+{
+  SysprofDocumentFork *self = SYSPROF_DOCUMENT_FORK (object);
+
+  switch (prop_id)
+    {
+    case PROP_CHILD_PID:
+      g_value_set_int (value, sysprof_document_fork_get_child_pid (self));
+      break;
+
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+    }
+}
+
+static void
+sysprof_document_fork_class_init (SysprofDocumentForkClass *klass)
+{
+  GObjectClass *object_class = G_OBJECT_CLASS (klass);
+
+  object_class->get_property = sysprof_document_fork_get_property;
+
+  properties [PROP_CHILD_PID] =
+    g_param_spec_int ("child-pid", NULL, NULL,
+                      G_MININT, G_MAXINT, 0,
+                      (G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
+
+  g_object_class_install_properties (object_class, N_PROPS, properties);
+}
+
+static void
+sysprof_document_fork_init (SysprofDocumentFork *self)
+{
+}
+
+int
+sysprof_document_fork_get_child_pid (SysprofDocumentFork *self)
+{
+  const SysprofCaptureFork *fork;
+
+  g_return_val_if_fail (SYSPROF_IS_DOCUMENT_FORK (self), 0);
+
+  fork = SYSPROF_DOCUMENT_FRAME_GET (self, SysprofCaptureFork);
+
+  return SYSPROF_DOCUMENT_FRAME_INT32 (self, fork->child_pid);
+}