/*
* 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; only version 2
- * of the License.
+ * 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.
*
* 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.
+ * 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.
*/
#ifndef _LTT_SESSIOND_H
#include <urcu/wfqueue.h>
#include <common/sessiond-comm/sessiond-comm.h>
+#include <common/compat/poll.h>
+#include <common/compat/socket.h>
#include "session.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[];
+/* Set in main.c at boot time of the daemon */
+extern int kernel_tracer_fd;
+
/*
* 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 ucred creds;
struct ltt_session *session;
struct lttcomm_lttng_msg *llm;
struct lttcomm_session_msg *lsm;
+ lttng_sock_cred creds;
};
struct ust_command {
struct cds_wfq_queue queue;
};
+/*
+ * This pipe is used to inform the thread managing application notify
+ * communication that a command is queued and ready to be processed.
+ */
+extern int apps_cmd_notify_pipe[2];
+
+int sessiond_set_thread_pollset(struct lttng_poll_event *events, size_t size);
+int sessiond_check_thread_quit_pipe(int fd, uint32_t events);
+
#endif /* _LTT_SESSIOND_H */