X-Git-Url: http://git.efficios.com/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fbin%2Flttng-sessiond%2Flttng-sessiond.h;h=65ab37d59ec4ec5026cb72dc5bea18a7d5004dd0;hp=a0916c5663cdb4394f581f8c2abcaaec54fa8c45;hb=5e97de0089e5a91e4dd8bae5aa7e1956597c508b;hpb=12744796179ed3bfa9c3b6e22bfdeabf2e6081bf diff --git a/src/bin/lttng-sessiond/lttng-sessiond.h b/src/bin/lttng-sessiond/lttng-sessiond.h index a0916c566..65ab37d59 100644 --- a/src/bin/lttng-sessiond/lttng-sessiond.h +++ b/src/bin/lttng-sessiond/lttng-sessiond.h @@ -1,5 +1,6 @@ /* * 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, @@ -18,9 +19,8 @@ #ifndef _LTT_SESSIOND_H #define _LTT_SESSIOND_H -#define _LGPL_SOURCE #include -#include +#include #include #include @@ -28,6 +28,7 @@ #include "session.h" #include "ust-app.h" +#include "version.h" extern const char default_home_dir[], default_tracing_group[], @@ -53,7 +54,7 @@ struct command_ctx { struct ust_command { int sock; struct ust_register_msg reg_msg; - struct cds_wfq_node node; + struct cds_wfcq_node node; }; /* @@ -62,7 +63,26 @@ struct ust_command { */ struct ust_cmd_queue { int32_t futex; - struct cds_wfq_queue queue; + struct cds_wfcq_head head; + struct cds_wfcq_tail tail; +}; + +/* + * This is the wait queue containing wait nodes during the application + * registration process. + */ +struct ust_reg_wait_queue { + unsigned long count; + struct cds_list_head head; +}; + +/* + * Use by the dispatch registration to queue UST command socket to wait for the + * notify socket. + */ +struct ust_reg_wait_node { + struct ust_app *app; + struct cds_list_head head; }; /* @@ -71,12 +91,38 @@ struct ust_cmd_queue { */ 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 + * paths outside of large RCU read-side lock paths, and destroy cannot + * be called by call_rcu thread, because it may hang (waiting for + * call_rcu completion). + */ +extern int ht_cleanup_pipe[2]; + /* * Populated when the daemon starts with the current page size of the system. */ extern long page_size; -int sessiond_set_thread_pollset(struct lttng_poll_event *events, size_t size); +/* + * Global set once in main(). Agent TCP port for registration. + */ +extern unsigned int agent_tcp_port; + +/* Application health monitoring */ +extern struct health_app *health_sessiond; + +/* + * Section name to look for in the daemon configuration file. + */ +extern const char * const config_section_name; + +/* Is this daemon root or not. */ +extern int is_root; + int sessiond_check_thread_quit_pipe(int fd, uint32_t events); +int sessiond_set_thread_pollset(struct lttng_poll_event *events, size_t size); +void sessiond_notify_ready(void); #endif /* _LTT_SESSIOND_H */