X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=src%2Fbin%2Flttng-sessiond%2Fsession.h;h=b008c967ec21b610651c5c4071842b236c2d2360;hb=2a85be8e0e679da996b48252b1d9aebb9bb29126;hp=6a0da6c164f95a48b15a2e0250611d77a0dcf2ec;hpb=f4cc5e83435948e64f5c7bce395ca19703da02a3;p=lttng-tools.git diff --git a/src/bin/lttng-sessiond/session.h b/src/bin/lttng-sessiond/session.h index 6a0da6c16..b008c967e 100644 --- a/src/bin/lttng-sessiond/session.h +++ b/src/bin/lttng-sessiond/session.h @@ -69,7 +69,9 @@ struct ltt_session_list { */ struct ltt_session { char name[NAME_MAX]; + bool has_auto_generated_name; char hostname[HOST_NAME_MAX]; /* Local hostname. */ + time_t creation_time; struct ltt_kernel_session *kernel_session; struct ltt_ust_session *ust_session; struct urcu_ref ref; @@ -100,7 +102,11 @@ struct ltt_session { * copied into those sessions. */ struct consumer_output *consumer; - + /* + * Indicates whether or not the user has specified an output directory + * or if it was configured using the default configuration. + */ + bool has_user_specified_directory; /* Did at least ONE start command has been triggered?. */ unsigned int has_been_started:1; /* @@ -114,11 +120,19 @@ struct ltt_session { /* Indicate if the session has to output the traces or not. */ unsigned int output_traces; /* - * This session is in snapshot mode. This means that every channel enabled - * will be set in overwrite mode and mmap. It is considered exclusively for - * snapshot purposes. + * This session is in snapshot mode. This means that channels enabled + * will be set in overwrite mode by default and must be in mmap + * output mode. Note that snapshots can be taken on a session that + * is not in "snapshot_mode". This parameter only affects channel + * creation defaults. */ unsigned int snapshot_mode; + /* + * A session that has channels that don't use 'mmap' output can't be + * used to capture snapshots. This is set to true whenever a + * 'splice' kernel channel is enabled. + */ + bool has_non_mmap_channel; /* * Timer set when the session is created for live reading. */ @@ -214,8 +228,8 @@ struct ltt_session { }; /* Prototypes */ -int session_create(char *name, uid_t uid, gid_t gid); - +enum lttng_error_code session_create(const char *name, uid_t uid, gid_t gid, + struct ltt_session **out_session); void session_lock(struct ltt_session *session); void session_lock_list(void); int session_trylock_list(void);