Fix c99 compatibility: use __typeof__ instead of typeof in public headers

[lttng-ust.git] / include / lttng / ust-events.h

diff --git a/include/lttng/ust-events.h b/include/lttng/ust-events.h
index 2bf05d56af0b199a492541304badeb0e0d982306..da7a2299f055ec45ae7cd88c909b581536c65f15 100644 (file)
--- a/include/lttng/ust-events.h
+++ b/include/lttng/ust-events.h
@@ -4,29 +4,31 @@
 /*
  * lttng/ust-events.h
  *
- * Copyright 2010 (c) - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+ * Copyright 2010-2012 (c) - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
  *
  * Holds LTTng per-session event registry.
  *
- * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED
- * OR IMPLIED.  ANY USE IS AT YOUR OWN RISK.
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
  *
- * Permission is hereby granted to use or copy this program
- * for any purpose,  provided the above notices are retained on all copies.
- * Permission to modify the code and to distribute modified code is granted,
- * provided the above notices are retained, and a notice that the code was
- * modified is included with the above copyright notice.
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
  */
 
 #include <urcu/list.h>
 #include <urcu/hlist.h>
-#include <uuid/uuid.h>
 #include <stdint.h>
 #include <lttng/ust-abi.h>
 #include <lttng/ust-tracer.h>
-#include <endian.h>
+#include <lttng/ust-endian.h>
 #include <float.h>
 
+#define LTTNG_UST_UUID_LEN             16
+
 struct ltt_channel;
 struct ltt_session;
 struct lttng_ust_lib_ring_buffer_ctx;
@@ -83,7 +85,7 @@ struct lttng_enum_entry {
                  .size = sizeof(_type) * CHAR_BIT,             \
                  .alignment = lttng_alignof(_type) * CHAR_BIT, \
                  .signedness = lttng_is_signed_type(_type),    \
-                 .reverse_byte_order = _byte_order != __BYTE_ORDER,    \
+                 .reverse_byte_order = _byte_order != BYTE_ORDER,      \
                  .base = _base,                                \
                  .encoding = lttng_encode_##_encoding,         \
                },                                              \
@@ -118,7 +120,7 @@ struct lttng_integer_type {
                                - _float_mant_dig(_type),       \
                  .mant_dig = _float_mant_dig(_type),           \
                  .alignment = lttng_alignof(_type) * CHAR_BIT, \
-                 .reverse_byte_order = __BYTE_ORDER != __FLOAT_WORD_ORDER, \
+                 .reverse_byte_order = BYTE_ORDER != FLOAT_WORD_ORDER, \
                },                                              \
        }                                                       \
 
@@ -215,6 +217,7 @@ struct lttng_event_desc {
        const struct lttng_event_field *fields; /* event payload */
        unsigned int nr_fields;
        const int **loglevel;
+       const char *signature;  /* Argument types/names received */
        char padding[LTTNG_UST_EVENT_DESC_PADDING];
 };
 
@@ -268,6 +271,16 @@ struct lttng_ust_tracepoint_list {
        struct cds_list_head head;
 };
 
+struct tp_field_list_entry {
+       struct lttng_ust_field_iter field;
+       struct cds_list_head head;
+};
+
+struct lttng_ust_field_list {
+       struct tp_field_list_entry *iter;
+       struct cds_list_head head;
+};
+
 struct ust_pending_probe;
 
 /*
@@ -352,7 +365,7 @@ struct ltt_channel {
        /* Channel ID, available for consumer too */
        unsigned int id;
        /* Copy of session UUID for consumer (availability through shm) */
-       uuid_t uuid;                    /* Trace session unique ID */
+       unsigned char uuid[LTTNG_UST_UUID_LEN]; /* Trace session unique ID */
 };
 
 struct ltt_session {
@@ -365,7 +378,7 @@ struct ltt_session {
        struct cds_list_head wildcards; /* Wildcard list head */
        struct cds_list_head list;      /* Session list */
        unsigned int free_chan_id;      /* Next chan ID to allocate */
-       uuid_t uuid;                    /* Trace session unique ID */
+       unsigned char uuid[LTTNG_UST_UUID_LEN]; /* Trace session unique ID */
        unsigned int metadata_dumped:1;
 };
 
@@ -431,9 +444,9 @@ int lttng_add_procname_to_ctx(struct lttng_ctx **ctx);
 void lttng_context_vtid_reset(void);
 void lttng_context_vpid_reset(void);
 
-const struct lttng_ust_lib_ring_buffer_client_cb *lttng_client_callbacks_metadata;
-const struct lttng_ust_lib_ring_buffer_client_cb *lttng_client_callbacks_discard;
-const struct lttng_ust_lib_ring_buffer_client_cb *lttng_client_callbacks_overwrite;
+extern const struct lttng_ust_lib_ring_buffer_client_cb *lttng_client_callbacks_metadata;
+extern const struct lttng_ust_lib_ring_buffer_client_cb *lttng_client_callbacks_discard;
+extern const struct lttng_ust_lib_ring_buffer_client_cb *lttng_client_callbacks_overwrite;
 
 struct ltt_transport *ltt_transport_find(const char *name);
 
@@ -441,6 +454,10 @@ int ltt_probes_get_event_list(struct lttng_ust_tracepoint_list *list);
 void ltt_probes_prune_event_list(struct lttng_ust_tracepoint_list *list);
 struct lttng_ust_tracepoint_iter *
        lttng_ust_tracepoint_list_get_iter_next(struct lttng_ust_tracepoint_list *list);
+int ltt_probes_get_field_list(struct lttng_ust_field_list *list);
+void ltt_probes_prune_field_list(struct lttng_ust_field_list *list);
+struct lttng_ust_field_iter *
+       lttng_ust_field_list_get_iter_next(struct lttng_ust_field_list *list);
 
 int ltt_wildcard_enable(struct session_wildcard *wildcard);
 int ltt_wildcard_disable(struct session_wildcard *wildcard);