X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fbin%2Flttng-sessiond%2Flttng-sessiond.h;h=8a82c45f7a2df44c5ea9cadb8baa9f74ebe14cda;hp=243138a9f043311eb611318b0b2d058eda69587f;hb=eb2827a4f0ccc637bf1d42edebf2607dbea80428;hpb=917a718d4ec336ca98820f3cf56a2db57fc9b1dd diff --git a/src/bin/lttng-sessiond/lttng-sessiond.h b/src/bin/lttng-sessiond/lttng-sessiond.h index 243138a9f..8a82c45f7 100644 --- a/src/bin/lttng-sessiond/lttng-sessiond.h +++ b/src/bin/lttng-sessiond/lttng-sessiond.h @@ -1,19 +1,9 @@ /* - * Copyright (C) 2011 - David Goulet - * Copyright (C) 2013 - Raphaël Beamonte + * Copyright (C) 2011 David Goulet + * Copyright (C) 2013 Raphaël Beamonte * - * 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. */ #ifndef _LTT_SESSIOND_H @@ -23,8 +13,10 @@ #include #include +#include #include #include +#include #include "session.h" #include "ust-app.h" @@ -41,6 +33,9 @@ enum consumerd_state { CONSUMER_ERROR = 3, }; +/* Unique identifier of a session daemon instance. */ +extern lttng_uuid the_sessiond_uuid; + /* * This consumer daemon state is used to validate if a client command will be * able to reach the consumer. If not, the client is informed. For instance, @@ -62,32 +57,27 @@ enum consumerd_state { * command is safe. After that, we can not guarantee the correctness of the * client request vis-a-vis the consumer. */ -extern enum consumerd_state ust_consumerd_state; -extern enum consumerd_state kernel_consumerd_state; - -extern const char default_home_dir[], - default_tracing_group[], - default_ust_sock_dir[], - default_global_apps_pipe[]; +extern enum consumerd_state the_ust_consumerd_state; +extern enum consumerd_state the_kernel_consumerd_state; /* Set in main.c at boot time of the daemon */ -extern int kernel_tracer_fd; -extern struct lttng_kernel_tracer_version kernel_tracer_version; -extern struct lttng_kernel_tracer_abi_version kernel_tracer_abi_version; +extern struct lttng_kernel_abi_tracer_version the_kernel_tracer_version; +extern struct lttng_kernel_abi_tracer_abi_version the_kernel_tracer_abi_version; /* Notification thread handle. */ -extern struct notification_thread_handle *notification_thread_handle; +extern struct notification_thread_handle *the_notification_thread_handle; /* * 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; + /* Input message */ + struct lttcomm_session_msg lsm; + /* Reply content, starts with an lttcomm_lttng_msg header. */ + struct lttng_payload reply_payload; lttng_sock_cred creds; }; @@ -125,12 +115,6 @@ struct ust_reg_wait_node { struct cds_list_head head; }; -/* - * 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]; - /* * Used to notify that a hash table needs to be destroyed by dedicated * thread. Required by design because we don't want to move destroy @@ -138,43 +122,40 @@ extern int apps_cmd_notify_pipe[2]; * be called by call_rcu thread, because it may hang (waiting for * call_rcu completion). */ -extern int ht_cleanup_pipe[2]; +extern int the_ht_cleanup_pipe[2]; -extern int kernel_poll_pipe[2]; +extern int the_kernel_poll_pipe[2]; /* * Populated when the daemon starts with the current page size of the system. * Set in main() with the current page size. */ -extern long page_size; +extern long the_page_size; /* Application health monitoring */ -extern struct health_app *health_sessiond; - -extern struct sessiond_config config; +extern struct health_app *the_health_sessiond; -extern int lttng_sessiond_ready; +extern struct sessiond_config the_config; -extern int ust_consumerd64_fd, ust_consumerd32_fd; +extern int the_ust_consumerd64_fd, the_ust_consumerd32_fd; /* Parent PID for --sig-parent option */ -extern pid_t ppid; +extern pid_t the_ppid; /* Internal parent PID use with daemonize. */ -extern pid_t child_ppid; +extern pid_t the_child_ppid; /* Consumer daemon specific control data. */ -extern struct consumer_data ustconsumer32_data; -extern struct consumer_data ustconsumer64_data; -extern struct consumer_data kconsumer_data; +extern struct consumer_data the_ustconsumer32_data; +extern struct consumer_data the_ustconsumer64_data; +extern struct consumer_data the_kconsumer_data; int sessiond_init_thread_quit_pipe(void); int sessiond_check_thread_quit_pipe(int fd, uint32_t events); -int sessiond_wait_for_quit_pipe(unsigned int timeout_us); +int sessiond_wait_for_quit_pipe(int timeout_ms); int sessiond_notify_quit_pipe(void); void sessiond_close_quit_pipe(void); int sessiond_set_thread_pollset(struct lttng_poll_event *events, size_t size); -void sessiond_notify_ready(void); void sessiond_signal_parents(void); void sessiond_set_client_thread_state(bool running);