Implement --shm-path option for UST sessions (per-uid channels)

[lttng-tools.git] / src / bin / lttng-sessiond / buffer-registry.h

diff --git a/src/bin/lttng-sessiond/buffer-registry.h b/src/bin/lttng-sessiond/buffer-registry.h
index 656fc9175b7d1bd6415ed3a2fd63ad9cc8def4f4..d17bbab623d5ae34a707d46b9d6bbf871213a8c7 100644 (file)
--- a/src/bin/lttng-sessiond/buffer-registry.h
+++ b/src/bin/lttng-sessiond/buffer-registry.h
@@ -88,6 +88,8 @@ struct buffer_reg_uid {
        struct lttng_ht_node_u64 node;
        /* Node of a linked list used to teardown object at a destroy session. */
        struct cds_list_head lnode;
+
+       char shm_path[PATH_MAX];
 };
 
 /*
@@ -100,12 +102,15 @@ struct buffer_reg_pid {
 
        /* Indexed by session id. */
        struct lttng_ht_node_u64 node;
+
+       char shm_path[PATH_MAX];
 };
 
 /* Buffer registry per UID. */
 void buffer_reg_init_uid_registry(void);
 int buffer_reg_uid_create(uint64_t session_id, uint32_t bits_per_long, uid_t uid,
-               enum lttng_domain_type domain, struct buffer_reg_uid **regp);
+               enum lttng_domain_type domain, struct buffer_reg_uid **regp,
+               const char *shm_path);
 void buffer_reg_uid_add(struct buffer_reg_uid *reg);
 struct buffer_reg_uid *buffer_reg_uid_find(uint64_t session_id,
                uint32_t bits_per_long, uid_t uid);
@@ -115,7 +120,8 @@ void buffer_reg_uid_destroy(struct buffer_reg_uid *regp,
 
 /* Buffer registry per PID. */
 void buffer_reg_init_pid_registry(void);
-int buffer_reg_pid_create(uint64_t session_id, struct buffer_reg_pid **regp);
+int buffer_reg_pid_create(uint64_t session_id, struct buffer_reg_pid **regp,
+               const char *shm_path);
 void buffer_reg_pid_add(struct buffer_reg_pid *reg);
 struct buffer_reg_pid *buffer_reg_pid_find(uint64_t session_id);
 void buffer_reg_pid_remove(struct buffer_reg_pid *regp);