X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=ltt-sessiond%2Fsession.h;h=d87b54daa7ecd9b51ed91feac0201d21b434f4e6;hp=9eaa1c535e783897f0ed0ce90bf806b89f7e5e30;hb=050349bbb362ea993533591532643022efeab864;hpb=b5541356f517dba006af9f676df8131dcb68f132 diff --git a/ltt-sessiond/session.h b/ltt-sessiond/session.h index 9eaa1c535..d87b54daa 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 @@ -19,7 +19,6 @@ #ifndef _LTT_SESSION_H #define _LTT_SESSION_H -#include #include /* @@ -37,10 +36,14 @@ 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; }; @@ -66,11 +69,13 @@ 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 */