/*
- * Copyright (C) 2011 - Julien Desfossez <julien.desfossez@polymtl.ca>
- * Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
- * 2016 - Jérémie Galarneau <jeremie.galarneau@efficios.com>
+ * Copyright (C) 2011 Julien Desfossez <julien.desfossez@polymtl.ca>
+ * Copyright (C) 2011 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+ * Copyright (C) 2016 Jérémie Galarneau <jeremie.galarneau@efficios.com>
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License, version 2 only,
- * as published by the Free Software Foundation.
+ * SPDX-License-Identifier: GPL-2.0-only
*
- * 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, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
+#include "lttng/tracker.h"
#define _LGPL_SOURCE
#define __USE_LINUX_IOCTL_DEFS
#include <sys/ioctl.h>
return LTTNG_IOCTL_NO_CHECK(fd, LTTNG_KERNEL_SESSION_LIST_TRACKER_PIDS);
}
+static enum lttng_kernel_tracker_type get_kernel_tracker_type(
+ enum lttng_process_attr process_attr)
+{
+ switch (process_attr) {
+ case LTTNG_PROCESS_ATTR_PROCESS_ID:
+ return LTTNG_KERNEL_TRACKER_PID;
+ case LTTNG_PROCESS_ATTR_VIRTUAL_PROCESS_ID:
+ return LTTNG_KERNEL_TRACKER_VPID;
+ case LTTNG_PROCESS_ATTR_USER_ID:
+ return LTTNG_KERNEL_TRACKER_UID;
+ case LTTNG_PROCESS_ATTR_VIRTUAL_USER_ID:
+ return LTTNG_KERNEL_TRACKER_VUID;
+ case LTTNG_PROCESS_ATTR_GROUP_ID:
+ return LTTNG_KERNEL_TRACKER_GID;
+ case LTTNG_PROCESS_ATTR_VIRTUAL_GROUP_ID:
+ return LTTNG_KERNEL_TRACKER_VGID;
+ default:
+ return LTTNG_KERNEL_TRACKER_UNKNOWN;
+ }
+}
+
+int kernctl_track_id(int fd, enum lttng_process_attr process_attr, int id)
+{
+ struct lttng_kernel_tracker_args args;
+
+ args.id = id;
+ args.type = get_kernel_tracker_type(process_attr);
+ if (args.type == LTTNG_KERNEL_TRACKER_UNKNOWN) {
+ errno = EINVAL;
+ return -1;
+ }
+ return LTTNG_IOCTL_CHECK(fd, LTTNG_KERNEL_SESSION_TRACK_ID, &args);
+}
+
+int kernctl_untrack_id(int fd, enum lttng_process_attr process_attr, int id)
+{
+ struct lttng_kernel_tracker_args args;
+
+ args.id = id;
+ args.type = get_kernel_tracker_type(process_attr);
+ if (args.type == LTTNG_KERNEL_TRACKER_UNKNOWN) {
+ errno = EINVAL;
+ return -1;
+ }
+ return LTTNG_IOCTL_CHECK(fd, LTTNG_KERNEL_SESSION_UNTRACK_ID, &args);
+}
+
+int kernctl_list_tracker_ids(int fd, enum lttng_process_attr process_attr)
+{
+ struct lttng_kernel_tracker_args args;
+
+ args.id = -1;
+ args.type = get_kernel_tracker_type(process_attr);
+ if (args.type == LTTNG_KERNEL_TRACKER_UNKNOWN) {
+ errno = EINVAL;
+ return -1;
+ }
+ return LTTNG_IOCTL_NO_CHECK(
+ fd, LTTNG_KERNEL_SESSION_LIST_TRACKER_IDS, &args);
+}
+
int kernctl_session_regenerate_metadata(int fd)
{
return LTTNG_IOCTL_CHECK(fd, LTTNG_KERNEL_SESSION_METADATA_REGEN);