X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=include%2Fbabeltrace%2Fctf-writer%2Fclock-class.h;h=ae074b82de31df1d4edd68f5f58f7759f5c7cc14;hb=7e69c04f557e46fb50e5a888a3bc3451afbd3b8e;hp=2ba1d8ea2692833ff592af49e4c64c9e61d6e97b;hpb=3dca22768a95bef664012559aa9ac977091de6ac;p=babeltrace.git diff --git a/include/babeltrace/ctf-writer/clock-class.h b/include/babeltrace/ctf-writer/clock-class.h index 2ba1d8ea..ae074b82 100644 --- a/include/babeltrace/ctf-writer/clock-class.h +++ b/include/babeltrace/ctf-writer/clock-class.h @@ -1,8 +1,8 @@ -#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 * @@ -31,258 +31,66 @@ */ #include -#include #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 */