code

//// Makefile
MODULES = pg_webrtc
PG_CONFIG = pg_config
#PG_CPPFLAGS = -fPIC
PGXS := $(shell $(PG_CONFIG) --pgxs)
include $(PGXS)

//// pg_webrtc.h
#include "postgres.h"
#include "postmaster/bgworker.h"
#include "storage/ipc.h"
#include "storage/latch.h"
#include "storage/proc.h"
#include "fmgr.h"

PG_MODULE_MAGIC;

void _PG_init();
void pg_webrtc_main(Datum main_arg);

//// pg_webrtc.cpp
#include "pg_webrtc.h"

void pg_webrtc_main(Datum main_arg) {
    BackgroundWorkerUnblockSignals();
}

void _PG_init() {
    BackgroundWorker worker;
    worker.bgw_flags = BGWORKER_SHMEM_ACCESS;
    worker.bgw_main = pg_webrtc_main;
    worker.bgw_restart_time = 1;
    worker.bgw_start_time = BgWorkerStart_RecoveryFinished;
    snprintf(worker.bgw_name, BGW_MAXLEN, "pg_webrtc");

    RegisterBackgroundWorker(&worker);
}