/* helpers.h
 *
 * Copyright 2019 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
 */

#pragma once

#include <gio/gio.h>
#ifdef __linux__
# include <linux/perf_event.h>
#endif

G_BEGIN_DECLS

gboolean  helpers_can_see_pids          (void);
gboolean  helpers_list_processes        (gint32              **processes,
                                         gsize                *n_processes);
void      helpers_list_processes_async  (GCancellable         *cancellable,
                                         GAsyncReadyCallback   callback,
                                         gpointer              user_data);
gboolean  helpers_list_processes_finish (GAsyncResult         *result,
                                         gint32              **processes,
                                         gsize                *n_processes,
                                         GError              **error);
gboolean  helpers_perf_event_open       (GVariant             *options,
                                         gint32                pid,
                                         gint32                cpu,
                                         gint                  group_fd,
                                         guint64               flags,
                                         gint                 *out_fd);
gboolean  helpers_get_proc_file         (const gchar          *path,
                                         gchar               **contents,
                                         gsize                *len);
gboolean  helpers_get_proc_fd           (const gchar          *path,
                                         gint                 *out_fd);
GVariant *helpers_get_process_info      (const gchar          *attributes);

G_END_DECLS