X-Git-Url: http://git.lttng.org/?a=blobdiff_plain;f=include%2Fust%2Flttng-events.h;h=db475cdb25959fa48eb17abb2d92603352689088;hb=381c0f1ef474e0ae8a96b3753470ca4bda45c764;hp=5ca156b7c74a81a025673aa6608fd2896c67f838;hpb=8d8a24c8565ce6dce7e7bd1045a95d1d2af5e536;p=lttng-ust.git

diff --git a/include/ust/lttng-events.h b/include/ust/lttng-events.h
index 5ca156b7..db475cdb 100644
--- a/include/ust/lttng-events.h
+++ b/include/ust/lttng-events.h
@@ -15,12 +15,10 @@
 #include <uuid/uuid.h>
 #include <stdint.h>
 #include <ust/lttng-ust-abi.h>
+#include <ust/lttng-tracer.h>
 #include <endian.h>
 #include <float.h>
 
-#undef is_signed_type
-#define is_signed_type(type)		(((type)(-1)) < 0)
-
 struct ltt_channel;
 struct ltt_session;
 struct lib_ring_buffer_ctx;
@@ -57,8 +55,8 @@ struct lttng_enum_entry {
 	    .u.basic.integer =					\
 		{						\
 		  .size = sizeof(_type) * CHAR_BIT,		\
-		  .alignment = ltt_alignof(_type) * CHAR_BIT,	\
-		  .signedness = is_signed_type(_type),		\
+		  .alignment = lttng_alignof(_type) * CHAR_BIT,	\
+		  .signedness = lttng_is_signed_type(_type),	\
 		  .reverse_byte_order = _byte_order != __BYTE_ORDER,	\
 		  .base = _base,				\
 		  .encoding = lttng_encode_##_encoding,		\
@@ -88,8 +86,7 @@ struct lttng_integer_type {
 		  .exp_dig = sizeof(_type) * CHAR_BIT		\
 				- _float_mant_dig(_type),	\
 		  .mant_dig = _float_mant_dig(_type),		\
-		  .alignment = ltt_alignof(_type) * CHAR_BIT,	\
-		  .signedness = is_signed_type(_type),		\
+		  .alignment = lttng_alignof(_type) * CHAR_BIT,	\
 		  .reverse_byte_order = __BYTE_ORDER != __FLOAT_WORD_ORDER, \
 		},						\
 	}							\
@@ -179,6 +176,8 @@ struct lttng_probe_desc {
 	struct cds_list_head head;		/* chain registered probes */
 };
 
+struct ust_pending_probe;
+
 /*
  * ltt_event structure is referred to by the tracing fast path. It must be
  * kept small.
@@ -194,21 +193,27 @@ struct ltt_event {
 	union {
 	} u;
 	struct cds_list_head list;		/* Event list */
+	struct ust_pending_probe *pending_probe;
 	int metadata_dumped:1;
 };
 
 struct channel;
+struct shm_handle;
 
 struct ltt_channel_ops {
-	struct shm_handle *(*channel_create)(const char *name,
+	struct ltt_channel *(*channel_create)(const char *name,
 				struct ltt_channel *ltt_chan,
 				void *buf_addr,
 				size_t subbuf_size, size_t num_subbuf,
 				unsigned int switch_timer_interval,
 				unsigned int read_timer_interval);
-	void (*channel_destroy)(struct shm_handle *handle);
-	struct lib_ring_buffer *(*buffer_read_open)(struct channel *chan);
-	void (*buffer_read_close)(struct lib_ring_buffer *buf);
+	void (*channel_destroy)(struct ltt_channel *ltt_chan);
+	struct lib_ring_buffer *(*buffer_read_open)(struct channel *chan,
+				struct shm_handle *handle,
+				int *shm_fd, int *wait_fd,
+				uint64_t *memory_map_size);
+	void (*buffer_read_close)(struct lib_ring_buffer *buf,
+				struct shm_handle *handle);
 	int (*event_reserve)(struct lib_ring_buffer_ctx *ctx,
 			     uint32_t event_id);
 	void (*event_commit)(struct lib_ring_buffer_ctx *ctx);
@@ -219,7 +224,8 @@ struct ltt_channel_ops {
 	 * packet. Note that the size returned is only a hint, since it
 	 * may change due to concurrent writes.
 	 */
-	size_t (*packet_avail_size)(struct channel *chan);
+	size_t (*packet_avail_size)(struct channel *chan,
+				    struct shm_handle *handle);
 	//wait_queue_head_t *(*get_reader_wait_queue)(struct channel *chan);
 	//wait_queue_head_t *(*get_hp_wait_queue)(struct channel *chan);
 	int (*is_finalized)(struct channel *chan);
@@ -235,6 +241,7 @@ struct ltt_channel {
 	struct ltt_session *session;
 	int objd;			/* Object associated to channel */
 	unsigned int free_event_id;	/* Next event ID to allocate */
+	unsigned int used_event_id;	/* Max allocated event IDs */
 	struct cds_list_head list;	/* Channel list */
 	struct ltt_channel_ops *ops;
 	int header_type;		/* 0: unset, 1: compact, 2: large */
@@ -296,6 +303,7 @@ void synchronize_trace(void);
 
 int ltt_probe_register(struct lttng_probe_desc *desc);
 void ltt_probe_unregister(struct lttng_probe_desc *desc);
+int pending_probe_fix_events(const struct lttng_event_desc *desc);
 const struct lttng_event_desc *ltt_event_get(const char *name);
 void ltt_event_put(const struct lttng_event_desc *desc);
 int ltt_probes_init(void);