Refactoring: UST types public interfaces
[lttng-ust.git] / include / ust-comm.h
index 27743b2d8bf35ec39d12bb3cdaa2c85b65553b7b..39496921fc8ed8832a97e188d0fb0aecdeb7cc41 100644 (file)
@@ -21,7 +21,6 @@
 #include <lttng/ust-error.h>
 #include <lttng/ust-compiler.h>
 #include <lttng/ust-ctl.h>
-#include "ust-helper.h"
 
 #ifndef LTTNG_PACKED
 #error "LTTNG_PACKED should be defined"
 #define LTTNG_UST_COMM_MAX_LISTEN                      10
 #define LTTNG_UST_COMM_REG_MSG_PADDING                 64
 
-struct lttng_event_field;
-struct lttng_ctx_field;
-struct lttng_enum_entry;
+struct lttng_ust_event_field;
+struct lttng_ust_ctx_field;
+struct lttng_ust_enum_entry;
 struct lttng_integer_type;
-struct lttng_session;
+struct lttng_ust_session;
 
 struct ustctl_reg_msg {
        uint32_t magic;
@@ -77,12 +76,12 @@ struct ustcomm_ust_msg {
        uint32_t cmd;
        char padding[USTCOMM_MSG_PADDING1];
        union {
-               struct lttng_ust_channel channel;
-               struct lttng_ust_stream stream;
-               struct lttng_ust_event event;
-               struct lttng_ust_context context;
-               struct lttng_ust_tracer_version version;
-               struct lttng_ust_tracepoint_iter tracepoint;
+               struct lttng_ust_abi_channel channel;
+               struct lttng_ust_abi_stream stream;
+               struct lttng_ust_abi_event event;
+               struct lttng_ust_abi_context context;
+               struct lttng_ust_abi_tracer_version version;
+               struct lttng_ust_abi_tracepoint_iter tracepoint;
                struct {
                        uint32_t data_size;     /* following filter data */
                        uint32_t reloc_offset;
@@ -96,16 +95,16 @@ struct ustcomm_ust_msg {
                        uint32_t reloc_offset;
                        uint64_t seqnum;
                } LTTNG_PACKED capture;
-               struct lttng_ust_counter counter;
-               struct lttng_ust_counter_global counter_global;
-               struct lttng_ust_counter_cpu counter_cpu;
+               struct lttng_ust_abi_counter counter;
+               struct lttng_ust_abi_counter_global counter_global;
+               struct lttng_ust_abi_counter_cpu counter_cpu;
                /*
-                * For LTTNG_UST_EVENT_NOTIFIER_CREATE, a struct
-                * lttng_ust_event_notifier implicitly follows struct
+                * For lttng_ust_abi_EVENT_NOTIFIER_CREATE, a struct
+                * lttng_ust_abi_event_notifier implicitly follows struct
                 * ustcomm_ust_msg.
                 */
                struct {
-                       /* Length of struct lttng_ust_event_notifier */
+                       /* Length of struct lttng_ust_abi_event_notifier */
                        uint32_t len;
                } event_notifier;
                char padding[USTCOMM_MSG_PADDING2];
@@ -131,8 +130,8 @@ struct ustcomm_ust_reply {
                struct {
                        uint64_t memory_map_size;
                } LTTNG_PACKED stream;
-               struct lttng_ust_tracer_version version;
-               struct lttng_ust_tracepoint_iter tracepoint;
+               struct lttng_ust_abi_tracer_version version;
+               struct lttng_ust_abi_tracepoint_iter tracepoint;
                char padding[USTCOMM_REPLY_PADDING2];
        } u;
 } LTTNG_PACKED;
@@ -145,7 +144,7 @@ struct ustcomm_notify_hdr {
 struct ustcomm_notify_event_msg {
        uint32_t session_objd;
        uint32_t channel_objd;
-       char event_name[LTTNG_UST_SYM_NAME_LEN];
+       char event_name[LTTNG_UST_ABI_SYM_NAME_LEN];
        int32_t loglevel;
        uint32_t signature_len;
        uint32_t fields_len;
@@ -164,7 +163,7 @@ struct ustcomm_notify_event_reply {
 #define USTCOMM_NOTIFY_ENUM_MSG_PADDING                32
 struct ustcomm_notify_enum_msg {
        uint32_t session_objd;
-       char enum_name[LTTNG_UST_SYM_NAME_LEN];
+       char enum_name[LTTNG_UST_ABI_SYM_NAME_LEN];
        uint32_t entries_len;
        char padding[USTCOMM_NOTIFY_ENUM_MSG_PADDING];
        /* followed by enum entries */
@@ -199,56 +198,70 @@ struct ustcomm_notify_channel_reply {
  * struct lttng_ust_field_iter field.
  */
 
-LTTNG_HIDDEN
+__attribute__((visibility("hidden")))
 int ustcomm_create_unix_sock(const char *pathname);
-LTTNG_HIDDEN
+
+__attribute__((visibility("hidden")))
 int ustcomm_connect_unix_sock(const char *pathname,
        long timeout);
-LTTNG_HIDDEN
+
+__attribute__((visibility("hidden")))
 int ustcomm_accept_unix_sock(int sock);
-LTTNG_HIDDEN
+
+__attribute__((visibility("hidden")))
 int ustcomm_listen_unix_sock(int sock);
-LTTNG_HIDDEN
+
+__attribute__((visibility("hidden")))
 int ustcomm_close_unix_sock(int sock);
 
-LTTNG_HIDDEN
+__attribute__((visibility("hidden")))
 ssize_t ustcomm_recv_unix_sock(int sock, void *buf, size_t len);
-LTTNG_HIDDEN
+
+__attribute__((visibility("hidden")))
 ssize_t ustcomm_send_unix_sock(int sock, const void *buf, size_t len);
-LTTNG_HIDDEN
+
+__attribute__((visibility("hidden")))
 ssize_t ustcomm_send_fds_unix_sock(int sock, int *fds, size_t nb_fd);
-LTTNG_HIDDEN
+
+__attribute__((visibility("hidden")))
 ssize_t ustcomm_recv_fds_unix_sock(int sock, int *fds, size_t nb_fd);
 
-LTTNG_HIDDEN
+__attribute__((visibility("hidden")))
 const char *ustcomm_get_readable_code(int code);
-LTTNG_HIDDEN
+
+__attribute__((visibility("hidden")))
 int ustcomm_send_app_msg(int sock, struct ustcomm_ust_msg *lum);
-LTTNG_HIDDEN
+
+__attribute__((visibility("hidden")))
 int ustcomm_recv_app_reply(int sock, struct ustcomm_ust_reply *lur,
        uint32_t expected_handle, uint32_t expected_cmd);
-LTTNG_HIDDEN
+
+__attribute__((visibility("hidden")))
 int ustcomm_send_app_cmd(int sock,
                struct ustcomm_ust_msg *lum,
                struct ustcomm_ust_reply *lur);
-LTTNG_HIDDEN
+
+__attribute__((visibility("hidden")))
 int ustcomm_recv_fd(int sock);
 
-LTTNG_HIDDEN
+__attribute__((visibility("hidden")))
 ssize_t ustcomm_recv_channel_from_sessiond(int sock,
                void **chan_data, uint64_t len, int *wakeup_fd);
-LTTNG_HIDDEN
+
+__attribute__((visibility("hidden")))
 int ustcomm_recv_stream_from_sessiond(int sock,
                uint64_t *memory_map_size,
                int *shm_fd, int *wakeup_fd);
-LTTNG_HIDDEN
+
+__attribute__((visibility("hidden")))
 ssize_t ustcomm_recv_event_notifier_notif_fd_from_sessiond(int sock,
                int *event_notifier_notif_fd);
 
-LTTNG_HIDDEN
+__attribute__((visibility("hidden")))
 ssize_t ustcomm_recv_counter_from_sessiond(int sock,
                void **counter_data, uint64_t len);
-LTTNG_HIDDEN
+
+__attribute__((visibility("hidden")))
 int ustcomm_recv_counter_shm_from_sessiond(int sock,
                int *shm_fd);
 
@@ -256,7 +269,7 @@ int ustcomm_recv_counter_shm_from_sessiond(int sock,
  * Returns 0 on success, negative error value on error.
  * Returns -EPIPE or -ECONNRESET if other end has hung up.
  */
-LTTNG_HIDDEN
+__attribute__((visibility("hidden")))
 int ustcomm_send_reg_msg(int sock,
                enum ustctl_socket_type type,
                uint32_t bits_per_long,
@@ -270,16 +283,16 @@ int ustcomm_send_reg_msg(int sock,
  * Returns 0 on success, negative error value on error.
  * Returns -EPIPE or -ECONNRESET if other end has hung up.
  */
-LTTNG_HIDDEN
+__attribute__((visibility("hidden")))
 int ustcomm_register_event(int sock,
-       struct lttng_session *session,
+       struct lttng_ust_session *session,
        int session_objd,               /* session descriptor */
        int channel_objd,               /* channel descriptor */
        const char *event_name,         /* event name (input) */
        int loglevel,
        const char *signature,          /* event signature (input) */
        size_t nr_fields,               /* fields */
-       const struct lttng_event_field *fields,
+       struct lttng_ust_event_field **fields,
        const char *model_emf_uri,
        uint32_t *id);                  /* event id (output) */
 
@@ -287,31 +300,32 @@ int ustcomm_register_event(int sock,
  * Returns 0 on success, negative error value on error.
  * Returns -EPIPE or -ECONNRESET if other end has hung up.
  */
-LTTNG_HIDDEN
+__attribute__((visibility("hidden")))
 int ustcomm_register_enum(int sock,
        int session_objd,               /* session descriptor */
        const char *enum_name,          /* enum name (input) */
        size_t nr_entries,              /* entries */
-       const struct lttng_enum_entry *entries,
+       struct lttng_ust_enum_entry **entries,
        uint64_t *id);                  /* enum id (output) */
 
 /*
  * Returns 0 on success, negative error value on error.
  * Returns -EPIPE or -ECONNRESET if other end has hung up.
  */
-LTTNG_HIDDEN
+__attribute__((visibility("hidden")))
 int ustcomm_register_channel(int sock,
-       struct lttng_session *session,
+       struct lttng_ust_session *session,
        int session_objd,               /* session descriptor */
        int channel_objd,               /* channel descriptor */
        size_t nr_ctx_fields,
-       const struct lttng_ctx_field *ctx_fields,
+       struct lttng_ust_ctx_field **ctx_fields,
        uint32_t *chan_id,              /* channel id (output) */
        int *header_type);              /* header type (output) */
 
-LTTNG_HIDDEN
+__attribute__((visibility("hidden")))
 int ustcomm_setsockopt_rcv_timeout(int sock, unsigned int msec);
-LTTNG_HIDDEN
+
+__attribute__((visibility("hidden")))
 int ustcomm_setsockopt_snd_timeout(int sock, unsigned int msec);
 
 #endif /* _LTTNG_UST_COMM_H */
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