/*
 * pg_orrery.c -- Extension entry point
 *
 * PostgreSQL extension for orbital mechanics.
 * Provides TLE, ECI, geodetic, topocentric, observer, and pass_event types
 * with SGP4/SDP4 propagation, coordinate transforms, and pass prediction.
 *
 * v0.3.0 adds _PG_init for GUC registration (pg_orrery.ephemeris_path)
 * and on_proc_exit cleanup for the optional DE ephemeris handle.
 */

#include "postgres.h"
#include "fmgr.h"
#include "storage/ipc.h"

#include "eph_provider.h"

PG_MODULE_MAGIC;

/*
 * _PG_init -- called when the extension shared library is loaded.
 *
 * Runs in the postmaster context. Registers GUC variables and
 * the process exit cleanup callback. Does NOT open the DE file
 * (that would create a shared fd inherited by all backends via
 * fork with undefined stream behavior).
 */
void
_PG_init(void)
{
    eph_register_gucs();
    on_proc_exit(eph_cleanup, (Datum) 0);
}