#include <uuid/uuid.h>
#include <stdint.h>
#include <ust/lttng-ust-abi.h>
-
-#undef is_signed_type
-#define is_signed_type(type) (((type)(-1)) < 0)
+#include <ust/lttng-tracer.h>
+#include <endian.h>
+#include <float.h>
struct ltt_channel;
struct ltt_session;
atype_array,
atype_sequence,
atype_string,
+ atype_float,
NR_ABSTRACT_TYPES,
};
.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, \
enum lttng_string_encodings encoding;
};
+#define _float_mant_dig(_type) \
+ (sizeof(_type) == sizeof(float) ? FLT_MANT_DIG \
+ : (sizeof(_type) == sizeof(double) ? DBL_MANT_DIG \
+ : (sizeof(_type) == sizeof(long double) ? LDBL_MANT_DIG \
+ : 0)))
+
+#define __type_float(_type) \
+ { \
+ .atype = atype_float, \
+ .u.basic._float = \
+ { \
+ .exp_dig = sizeof(_type) * CHAR_BIT \
+ - _float_mant_dig(_type), \
+ .mant_dig = _float_mant_dig(_type), \
+ .alignment = lttng_alignof(_type) * CHAR_BIT, \
+ .reverse_byte_order = __BYTE_ORDER != __FLOAT_WORD_ORDER, \
+ }, \
+ } \
+
+struct lttng_float_type {
+ unsigned int exp_dig; /* exponent digits, in bits */
+ unsigned int mant_dig; /* mantissa digits, in bits */
+ unsigned short alignment; /* in bits */
+ unsigned int reverse_byte_order:1;
+};
+
union _lttng_basic_type {
struct lttng_integer_type integer;
struct {
struct {
enum lttng_string_encodings encoding;
} string;
+ struct lttng_float_type _float;
};
struct lttng_basic_type {
int metadata_dumped:1;
};
+struct channel;
+
struct ltt_channel_ops {
- struct channel *(*channel_create)(const char *name,
+ struct shm_handle *(*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,
- int *shmid);
- void (*channel_destroy)(struct channel *chan);
+ 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);
int (*event_reserve)(struct lib_ring_buffer_ctx *ctx,
struct cds_list_head list; /* Channel list */
struct ltt_channel_ops *ops;
int header_type; /* 0: unset, 1: compact, 2: large */
- int shmid; /* shared memory ID */
+ struct shm_handle *handle; /* shared-memory handle */
int metadata_dumped:1;
};