-#ifndef BABELTRACE_CTF_WRITER_CLOCK_H
-#define BABELTRACE_CTF_WRITER_CLOCK_H
+#ifndef BABELTRACE_CTF_WRITER_CLOCK_CLASS_H
+#define BABELTRACE_CTF_WRITER_CLOCK_CLASS_H
/*
- * BabelTrace - CTF Writer: Clock
+ * BabelTrace - CTF Writer: Clock Class
*
* Copyright 2013, 2014 Jérémie Galarneau <jeremie.galarneau@efficios.com>
*
*/
#include <stdint.h>
-#include <babeltrace/ref.h>
#ifdef __cplusplus
extern "C" {
#endif
-struct bt_ctf_clock;
+struct bt_ctf_clock_class;
-/*
- * bt_ctf_clock_create: create a clock.
- *
- * Allocate a new clock setting its reference count to 1.
- *
- * @param name Name of the clock (will be copied); can be set to NULL
- * for nameless clocks.
- *
- * Returns an allocated clock on success, NULL on error.
- */
-extern struct bt_ctf_clock *bt_ctf_clock_create(const char *name);
-
-/*
- * bt_ctf_clock_get_name: get a clock's name.
- *
- * Get the clock's name.
- *
- * @param clock Clock instance.
- *
- * Returns the clock's name, NULL on error.
- */
-extern const char *bt_ctf_clock_get_name(struct bt_ctf_clock *clock);
-
-/*
- * bt_ctf_clock_get_description: get a clock's description.
- *
- * Get the clock's description.
- *
- * @param clock Clock instance.
- *
- * Returns the clock's description, NULL if unset.
- */
-extern const char *bt_ctf_clock_get_description(struct bt_ctf_clock *clock);
-
-/*
- * bt_ctf_clock_set_description: set a clock's description.
- *
- * Set the clock's description. The description appears in the clock's TSDL
- * meta-data.
- *
- * @param clock Clock instance.
- * @param desc Description of the clock.
- *
- * Returns 0 on success, a negative value on error.
- */
-extern int bt_ctf_clock_set_description(struct bt_ctf_clock *clock,
- const char *desc);
-
-/*
- * bt_ctf_clock_get_frequency: get a clock's frequency.
- *
- * Get the clock's frequency (Hz).
- *
- * @param clock Clock instance.
- *
- * Returns the clock's frequency, -1ULL on error.
- */
-extern uint64_t bt_ctf_clock_get_frequency(struct bt_ctf_clock *clock);
+extern struct bt_ctf_clock_class *bt_ctf_clock_class_create(const char *name,
+ uint64_t freq);
-/*
- * bt_ctf_clock_set_frequency: set a clock's frequency.
- *
- * Set the clock's frequency (Hz).
- *
- * @param clock Clock instance.
- * @param freq Clock's frequency in Hz, defaults to 1 000 000 000 Hz (1ns).
- *
- * Returns 0 on success, a negative value on error.
- */
-extern int bt_ctf_clock_set_frequency(struct bt_ctf_clock *clock,
- uint64_t freq);
+extern const char *bt_ctf_clock_class_get_name(
+ struct bt_ctf_clock_class *clock_class);
-/*
- * bt_ctf_clock_get_precision: get a clock's precision.
- *
- * Get the clock's precision (in clock ticks).
- *
- * @param clock Clock instance.
- *
- * Returns the clock's precision, -1ULL on error.
- */
-extern uint64_t bt_ctf_clock_get_precision(struct bt_ctf_clock *clock);
+extern int bt_ctf_clock_class_set_name(struct bt_ctf_clock_class *clock_class,
+ const char *name);
-/*
- * bt_ctf_clock_set_precision: set a clock's precision.
- *
- * Set the clock's precision.
- *
- * @param clock Clock instance.
- * @param precision Clock's precision in clock ticks, defaults to 1.
- *
- * Returns 0 on success, a negative value on error.
- */
-extern int bt_ctf_clock_set_precision(struct bt_ctf_clock *clock,
- uint64_t precision);
+extern const char *bt_ctf_clock_class_get_description(
+ struct bt_ctf_clock_class *clock_class);
-/*
- * bt_ctf_clock_get_offset_s: get a clock's offset in seconds.
- *
- * Get the clock's offset in seconds from POSIX.1 Epoch, 1970-01-01.
- *
- * @param clock Clock instance.
- * @param offset_s Pointer to clock offset in seconds (output).
- *
- * Returns 0 on success, a negative value on error.
- */
-extern int bt_ctf_clock_get_offset_s(struct bt_ctf_clock *clock,
- int64_t *offset_s);
+extern int bt_ctf_clock_class_set_description(
+ struct bt_ctf_clock_class *clock_class,
+ const char *desc);
-/*
- * bt_ctf_clock_set_offset_s: set a clock's offset in seconds.
- *
- * Set the clock's offset in seconds from POSIX.1 Epoch, 1970-01-01,
- * defaults to 0.
- *
- * @param clock Clock instance.
- * @param offset_s Clock's offset in seconds, defaults to 0.
- *
- * Returns 0 on success, a negative value on error.
- */
-extern int bt_ctf_clock_set_offset_s(struct bt_ctf_clock *clock,
- int64_t offset_s);
+extern uint64_t bt_ctf_clock_class_get_frequency(
+ struct bt_ctf_clock_class *clock_class);
-/*
- * bt_ctf_clock_get_offset: get a clock's offset in ticks.
- *
- * Get the clock's offset in ticks from Epoch + offset_t.
- *
- * @param clock Clock instance.
- * @param offset Clock offset in ticks from Epoch + offset_s (output).
- *
- * Returns 0 on success, a negative value on error.
- */
-extern int bt_ctf_clock_get_offset(struct bt_ctf_clock *clock,
- int64_t *offset);
+extern int bt_ctf_clock_class_set_frequency(
+ struct bt_ctf_clock_class *clock_class, uint64_t freq);
-/*
- * bt_ctf_clock_set_offset: set a clock's offset in ticks.
- *
- * Set the clock's offset in ticks from Epoch + offset_s.
- *
- * @param clock Clock instance.
- * @param offset Clock's offset in ticks from Epoch + offset_s, defaults to 0.
- *
- * Returns 0 on success, a negative value on error.
- */
-extern int bt_ctf_clock_set_offset(struct bt_ctf_clock *clock,
- int64_t offset);
+extern uint64_t bt_ctf_clock_class_get_precision(
+ struct bt_ctf_clock_class *clock_class);
-/*
- * bt_ctf_clock_get_is_absolute: get a clock's absolute attribute.
- *
- * Get the clock's absolute attribute. A clock is absolute if the clock is a
- * global reference across the trace's other clocks.
- *
- * @param clock Clock instance.
- *
- * Returns the clock's absolute attribute, a negative value on error.
- */
-extern int bt_ctf_clock_get_is_absolute(struct bt_ctf_clock *clock);
+extern int bt_ctf_clock_class_set_precision(
+ struct bt_ctf_clock_class *clock_class, uint64_t precision);
-/*
- * bt_ctf_clock_set_is_absolute: set a clock's absolute attribute.
- *
- * Set the clock's absolute attribute. A clock is absolute if the clock is a
- * global reference across the trace's other clocks.
- *
- * @param clock Clock instance.
- * @param is_absolute Clock's absolute attribute, defaults to FALSE.
- *
- * Returns 0 on success, a negative value on error.
- */
-extern int bt_ctf_clock_set_is_absolute(struct bt_ctf_clock *clock,
- int is_absolute);
+extern int bt_ctf_clock_class_get_offset_s(
+ struct bt_ctf_clock_class *clock_class, int64_t *seconds);
-/*
- * bt_ctf_clock_get_uuid: get a clock's UUID.
- *
- * Get the clock's UUID.
- *
- * @param clock Clock instance.
- *
- * Returns a pointer to the clock's UUID (16 byte array) on success,
- * NULL on error.
- */
-extern const unsigned char *bt_ctf_clock_get_uuid(struct bt_ctf_clock *clock);
+extern int bt_ctf_clock_class_set_offset_s(
+ struct bt_ctf_clock_class *clock_class, int64_t seconds);
-/*
- * bt_ctf_clock_set_uuid: set a clock's UUID.
- *
- * Set a clock's UUID.
- *
- * @param clock Clock instance.
- * @param uuid A 16-byte array containing a UUID.
- *
- * Returns 0 on success, a negative value on error.
- */
-extern int bt_ctf_clock_set_uuid(struct bt_ctf_clock *clock,
- const unsigned char *uuid);
+extern int bt_ctf_clock_class_get_offset_cycles(
+ struct bt_ctf_clock_class *clock_class, int64_t *cycles);
-/*
- * bt_ctf_clock_set_time: set a clock's current time value.
- *
- * Set the current time in nanoseconds since the clock's origin (offset and
- * offset_s attributes). Defaults to 0.
- *
- * Returns 0 on success, a negative value on error.
- */
-extern int bt_ctf_clock_set_time(struct bt_ctf_clock *clock,
- int64_t time);
+extern int bt_ctf_clock_class_set_offset_cycles(
+ struct bt_ctf_clock_class *clock_class, int64_t cycles);
-/*
- * bt_ctf_clock_get and bt_ctf_clock_put: increment and decrement the
- * refcount of the clock
- *
- * You may also use bt_ctf_get() and bt_ctf_put() with clock objects.
- *
- * These functions ensure that the clock won't be destroyed when it
- * is in use. The same number of get and put (plus one extra put to
- * release the initial reference done at creation) has to be done to
- * destroy a clock.
- *
- * When the clock refcount is decremented to 0 by a bt_ctf_clock_put,
- * the clock is freed.
- *
- * @param clock Clock instance.
- */
+extern bt_bool bt_ctf_clock_class_is_absolute(
+ struct bt_ctf_clock_class *clock_class);
-/* Pre-2.0 CTF writer compatibility */
-static inline
-void bt_ctf_clock_get(struct bt_ctf_clock *clock)
-{
- bt_get(clock);
-}
+extern int bt_ctf_clock_class_set_is_absolute(
+ struct bt_ctf_clock_class *clock_class, bt_bool is_absolute);
-/* Pre-2.0 CTF writer compatibility */
-static inline
-void bt_ctf_clock_put(struct bt_ctf_clock *clock)
-{
- bt_put(clock);
-}
+extern const unsigned char *bt_ctf_clock_class_get_uuid(
+ struct bt_ctf_clock_class *clock_class);
+extern int bt_ctf_clock_class_set_uuid(struct bt_ctf_clock_class *clock_class,
+ const unsigned char *uuid);
#ifdef __cplusplus
}
#endif
-#endif /* BABELTRACE_CTF_WRITER_CLOCK_H */
+#endif /* BABELTRACE_CTF_WRITER_CLOCK_CLASS_H */
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