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writable.h
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writable.h
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#ifndef STREAMS_WRITABLE_H
#define STREAMS_WRITABLE_H
#include "types.h"
#include <stdbool.h>
#include <stddef.h>
typedef enum {
WS_STATE_WRITABLE = 0,
WS_STATE_CLOSED,
WS_STATE_ERRORING,
WS_STATE_ERRORED,
} ws_state_t;
typedef struct {
double *queue_sizes;
uint32_t queue_sizes_len;
uint32_t queue_sizes_cap;
double queue_total_size;
double strategy_hwm;
bool close_requested;
bool started;
} ws_controller_t;
typedef struct {
ws_state_t state;
bool backpressure;
bool has_pending_abort;
bool pending_abort_was_already_erroring;
} ws_stream_t;
extern ant_value_t g_ws_proto;
extern ant_value_t g_ws_writer_proto;
extern ant_value_t g_ws_controller_proto;
void init_writable_stream_module(void);
void gc_mark_writable_streams(ant_t *js, void (*mark)(ant_t *, ant_value_t));
bool ws_is_stream(ant_value_t obj);
bool ws_is_writer(ant_value_t obj);
bool ws_is_controller(ant_value_t obj);
ws_stream_t *ws_get_stream(ant_value_t obj);
ws_controller_t *ws_get_controller(ant_value_t obj);
ant_value_t ws_writer_ready(ant_value_t writer_obj);
ant_value_t ws_stream_writer(ant_value_t stream_obj);
ant_value_t ws_stream_controller(ant_value_t stream_obj);
ant_value_t ws_acquire_writer(ant_t *js, ant_value_t stream_obj);
ant_value_t ws_writer_write(ant_t *js, ant_value_t writer_obj, ant_value_t chunk);
ant_value_t writable_stream_close(ant_t *js, ant_value_t stream_obj);
ant_value_t writable_stream_abort(ant_t *js, ant_value_t stream_obj, ant_value_t reason);
bool writable_stream_close_queued_or_in_flight(ant_value_t stream_obj);
void writable_stream_finish_erroring(ant_t *js, ant_value_t stream_obj);
void ws_default_controller_error(ant_t *js, ant_value_t ctrl_obj, ant_value_t error);
void ws_default_controller_advance_queue_if_needed(ant_t *js, ant_value_t ctrl_obj);
#endif

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