-/* Copyright (C) 2011 - David Goulet <david.goulet@polymtl.ca>
+/*
+ * Copyright (C) 2011 - David Goulet <david.goulet@polymtl.ca>
*
* 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 2
- * of the License, or (at your option) any later version.
- *
+ * as published by the Free Software Foundation; only version 2
+ * of the License.
+ *
* 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
+ * 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
#ifndef _LTT_SESSIOND_H
#define _LTT_SESSIOND_H
-#define DEFAULT_HOME_DIR "/tmp"
-#define DEFAULT_UST_SOCK_DIR "/tmp/ust-app-socks"
-#define DEFAULT_GLOBAL_APPS_PIPE "/tmp/ust-app-socks/global"
+#define _LGPL_SOURCE
+#include <urcu/wfqueue.h>
+
+#include "ust-app.h"
+
+#define DEFAULT_HOME_DIR "/tmp"
+#define DEFAULT_UST_SOCK_DIR DEFAULT_HOME_DIR "/ust-app-socks"
+#define DEFAULT_GLOBAL_APPS_PIPE DEFAULT_UST_SOCK_DIR "/global"
+#define DEFAULT_TRACE_OUTPUT DEFAULT_HOME_DIR "/lttng"
+
+#define DEFAULT_GLOBAL_APPS_WAIT_SHM_PATH "/lttng-ust-apps-wait"
+#define DEFAULT_HOME_APPS_WAIT_SHM_PATH "/lttng-ust-apps-wait-%u"
+
+struct module_param {
+ const char *name;
+ int required;
+};
+
+/* LTTng kernel tracer modules list */
+const struct module_param kernel_modules_list[] = {
+ { "lttng-ftrace", 0 },
+ { "lttng-kprobes", 0 },
+ { "lttng-kretprobes", 0 },
+ { "lib-ring-buffer", 1 },
+ { "ltt-relay", 1 },
+ { "ltt-ring-buffer-client-discard", 1 },
+ { "ltt-ring-buffer-client-overwrite", 1 },
+ { "ltt-ring-buffer-metadata-client", 1 },
+ { "ltt-ring-buffer-client-mmap-discard", 1 },
+ { "ltt-ring-buffer-client-mmap-overwrite", 1 },
+ { "ltt-ring-buffer-metadata-mmap-client", 1 },
+ { "lttng-probe-lttng", 1 },
+ { "lttng-types", 0 },
+ { "lttng-probe-block", 0 },
+ { "lttng-probe-irq", 0 },
+ { "lttng-probe-kvm", 0 },
+ { "lttng-probe-sched", 0 },
+};
extern const char default_home_dir[],
default_tracing_group[],
default_ust_sock_dir[],
default_global_apps_pipe[];
+/*
+ * This contains extra data needed for processing a command received by the
+ * session daemon from the lttng client.
+ */
+struct command_ctx {
+ int ust_sock;
+ unsigned int lttng_msg_size;
+ struct ltt_session *session;
+ struct lttcomm_lttng_msg *llm;
+ struct lttcomm_session_msg *lsm;
+};
+
+struct ust_command {
+ int sock;
+ struct ust_register_msg reg_msg;
+ struct cds_wfq_node node;
+};
+
+/*
+ * Queue used to enqueue UST registration request (ust_commant) and protected
+ * by a futex with a scheme N wakers / 1 waiters. See futex.c/.h
+ */
+struct ust_cmd_queue {
+ int32_t futex;
+ struct cds_wfq_queue queue;
+};
+
#endif /* _LTT_SESSIOND_H */