X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=ltt-sessiond%2Fsession.h;h=fb271ea623997a28ac05a4a077e210802e3aa310;hb=b3c750d2ffae77322752a5b4f43bd4ddae3dfea6;hp=9eaa1c535e783897f0ed0ce90bf806b89f7e5e30;hpb=b5541356f517dba006af9f676df8131dcb68f132;p=lttng-tools.git diff --git a/ltt-sessiond/session.h b/ltt-sessiond/session.h index 9eaa1c535..fb271ea62 100644 --- a/ltt-sessiond/session.h +++ b/ltt-sessiond/session.h @@ -3,8 +3,8 @@ * * 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 @@ -19,9 +19,12 @@ #ifndef _LTT_SESSION_H #define _LTT_SESSION_H -#include +#include #include +#include "trace-kernel.h" +#include "trace-ust.h" + /* * Tracing session list * @@ -37,10 +40,14 @@ struct ltt_session_list { * actions on that list. */ pthread_mutex_t lock; + /* - * Number of element in the list. + * Number of element in the list. The session list lock MUST be acquired if + * this counter is used when iterating over the session list. */ unsigned int count; + + /* Linked list head */ struct cds_list_head head; }; @@ -52,8 +59,7 @@ struct ltt_session { char *name; char *path; struct ltt_kernel_session *kernel_session; - struct cds_list_head ust_traces; - unsigned int ust_trace_count; + struct ltt_ust_session_list ust_session_list; /* * Protect any read/write on this session data structure. This lock must be * acquired *before* using any public functions declared below. Use @@ -66,11 +72,13 @@ struct ltt_session { /* Prototypes */ int create_session(char *name, char *path); int destroy_session(char *name); -void get_lttng_session(struct lttng_session *sessions); + void lock_session(struct ltt_session *session); +void lock_session_list(void); void unlock_session(struct ltt_session *session); +void unlock_session_list(void); + struct ltt_session *find_session_by_name(char *name); -unsigned int get_session_count(void); struct ltt_session_list *get_session_list(void); #endif /* _LTT_SESSION_H */