X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=src%2Fbin%2Flttng-sessiond%2Fust-app.h;h=67c09692f33ddc72d76b6fbea665b8bf97bdee73;hb=5df0f285b2f2f9903e13cf6e48046d13a6c4c727;hp=d7fbcd5d0ee4378355e0b5492fe894e3e252c7aa;hpb=10a8a2237343699e3923d87e24dbf2d7fe225377;p=lttng-tools.git

diff --git a/src/bin/lttng-sessiond/ust-app.h b/src/bin/lttng-sessiond/ust-app.h
index d7fbcd5d0..67c09692f 100644
--- a/src/bin/lttng-sessiond/ust-app.h
+++ b/src/bin/lttng-sessiond/ust-app.h
@@ -23,6 +23,9 @@
 
 #include "trace-ust.h"
 
+/* lttng-ust supported version. */
+#define UST_APP_MAJOR_VERSION         1
+
 #define UST_APP_EVENT_LIST_SIZE 32
 
 extern int ust_consumerd64_fd, ust_consumerd32_fd;
@@ -107,6 +110,10 @@ struct ust_app {
 	uid_t uid;           /* User ID that owns the apps */
 	gid_t gid;           /* Group ID that owns the apps */
 	int bits_per_long;
+	int compatible; /* If the lttng-ust tracer version does not match the
+					   supported version of the session daemon, this flag is
+					   set to 0 (NOT compatible) else 1. */
+	struct lttng_ust_tracer_version version;
 	uint32_t v_major;    /* Verion major number */
 	uint32_t v_minor;    /* Verion minor number */
 	char name[17];       /* Process name (short) */
@@ -165,6 +172,7 @@ void ust_app_clean_list(void);
 void ust_app_ht_alloc(void);
 struct lttng_ht *ust_app_get_ht(void);
 struct ust_app *ust_app_find_by_pid(pid_t pid);
+int ust_app_validate_version(int sock);
 
 #else /* HAVE_LIBLTTNG_UST_CTL */
 
@@ -320,6 +328,11 @@ int ust_app_disable_event_pid(struct ltt_ust_session *usess,
 {
 	return 0;
 }
+static inline
+int ust_app_validate_version(int sock)
+{
+	return 0;
+}
 
 #endif /* HAVE_LIBLTTNG_UST_CTL */