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urbit/include/f/wire.h

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/* include/wire.h
**
** This file is in the public domain.
*/
/** Data types.
**/
/** Structures - in loom space.
**/
/* u2_loom_wire: one per thread.
*/
typedef struct _u2_loom_wire {
u2_loom_rail o;
/* Clean bean. u2_no when there may be garbage.
*/
u2_noun lan;
/* Basket; u2_loom_bask; senior storage (for dashboard).
*/
u2_ray bas_r;
/* Dashboard; u2_loom_dash; map battery to chip list.
*/
u2_cash_slot des_s;
/* Ray to jet exception buffer, or 0.
*/
u2_ray kit_r;
/* Ray to OS state.
*/
u2_ray arv_r;
/* Ray to performance log.
*/
u2_ray bex_r;
/* Interpreter trace.
*/
u2_noun tax;
/* Ray to new tracer.
*/
u2_ray rac_r;
/* Heaven.
*/
u2_ray hev_r;
} u2_loom_wire;
# define u2_wire_bas_r(wir_r) *u2_at(wir_r, u2_loom_wire, bas_r)
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# define u2_wire_des_r(wir_r) u2_aftr(wir_r, u2_loom_wire, des_s)
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# define u2_wire_kit_r(wir_r) *u2_at(wir_r, u2_loom_wire, kit_r)
# define u2_wire_bex_r(wir_r) *u2_at(wir_r, u2_loom_wire, bex_r)
# define u2_wire_rac_r(wir_r) *u2_at(wir_r, u2_loom_wire, rac_r)
# define u2_wire_hev_r(wir_r) *u2_at(wir_r, u2_loom_wire, hev_r)
# define u2_wire_arv_r(wir_r) *u2_at(wir_r, u2_loom_wire, arv_r)
# define u2_wire_tax(wir_r) *u2_at(wir_r, u2_loom_wire, tax)
# define u2_wire_lan(wir_r) *u2_at(wir_r, u2_loom_wire, lan)
/** Functions.
**/
/** Administration.
**/
/* u2_wr_init():
**
** Install an empty wire within `hat_r` and `mat_r` in the loom,
** with memory model `hip`.
**
** Returns ray to wire, which always equalls the passed `mat_r`.
*/
u2_ray
u2_wr_init(c3_m hip_m,
u2_ray hat_r,
u2_ray mat_r);
/* u2_wr_check_init(): initialize checkpoint segments and/or files.
*/
void
u2_wr_check_init(c3_c* cpu_c);
/* u2_wr_check_save(): checkpoint wire in global structure.
*/
void
u2_wr_check_save();
/* u2_wr_ice(): u2_rl_ice(), with u2_bx_copy().
*/
u2_weak
u2_wr_ice(u2_ray wir_r,
u2_noun fiz);
/* u2_wr_gc():
**
** Garbage-collect all current storage in a wire, given
** a 0-terminated list of external roots.
*/
void
u2_wr_gc(u2_ray wir_r, ...);
/* u2_wr_mark():
**
** Mark all roots in a wire and return their allocation size.
*/
c3_w
u2_wr_mark(u2_ray wir_r);