process.c
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process.c
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	#include <compat.h> // IWYU pragma: keep

	#include <stdlib.h>
	#include <stdio.h>
	#include <string.h>
	#include <signal.h>
	#include <time.h>
	#include <uthash.h>
	#include <uv.h>

	#ifdef _WIN32
	#include <windows.h>
	#include <io.h>
	#include <psapi.h>
	#define STDIN_FILENO 0
	#define STDOUT_FILENO 1
	#define STDERR_FILENO 2
	#else
	#include <termios.h>
	#include <unistd.h>
	#include <sys/ioctl.h>
	#include <sys/time.h>
	#include <sys/resource.h>
	#include <sys/stat.h>
	#include <grp.h>
	#include <pwd.h>
	#endif

	#include "ant.h"
	#include "config.h"
	#include "internal.h"
	#include "runtime.h"
	#include "modules/process.h"
	#include "modules/symbol.h"

	#ifndef _WIN32
	extern char **environ;
	#else
	#define environ _environ
	#endif

	#define DEFAULT_MAX_LISTENERS 10
	#define INITIAL_LISTENER_CAPACITY 4

	typedef struct {
	jsval_t listener;
	bool once;
	} ProcessEventListener;

	typedef struct {
	char *event_type;
	ProcessEventListener *listeners;
	int listener_count;
	int listener_capacity;
	UT_hash_handle hh;
	} ProcessEventType;

	static int max_listeners = DEFAULT_MAX_LISTENERS;
	static ProcessEventType *process_events = NULL;

	static ProcessEventType *stdin_events = NULL;
	static ProcessEventType *stdout_events = NULL;
	static ProcessEventType *stderr_events = NULL;
	static uv_tty_t stdin_tty;
	static bool stdin_tty_initialized = false;
	static bool stdin_reading = false;
	static uint64_t process_start_time = 0;

	#ifndef _WIN32
	static struct termios stdin_saved_termios;
	static bool stdin_raw_mode = false;
	static uv_signal_t sigwinch_handle;
	static bool sigwinch_initialized = false;
	#endif


	typedef struct {
	const char *name;
	int signum;
	UT_hash_handle hh_name;
	UT_hash_handle hh_num;
	} SignalEntry;

	static SignalEntry *signals_by_name = NULL;
	static SignalEntry *signals_by_num = NULL;

	static void init_signal_map(void) {
	static bool initialized = false;
	if (initialized) return;

	static SignalEntry entries[] = {
	#ifdef SIGHUP
	{ "SIGHUP", SIGHUP, {0}, {0} },
	#endif
	#ifdef SIGINT
	{ "SIGINT", SIGINT, {0}, {0} },
	#endif
	#ifdef SIGQUIT
	{ "SIGQUIT", SIGQUIT, {0}, {0} },
	#endif
	#ifdef SIGILL
	{ "SIGILL", SIGILL, {0}, {0} },
	#endif
	#ifdef SIGTRAP
	{ "SIGTRAP", SIGTRAP, {0}, {0} },
	#endif
	#ifdef SIGABRT
	{ "SIGABRT", SIGABRT, {0}, {0} },
	#endif
	#ifdef SIGBUS
	{ "SIGBUS", SIGBUS, {0}, {0} },
	#endif
	#ifdef SIGFPE
	{ "SIGFPE", SIGFPE, {0}, {0} },
	#endif
	#ifdef SIGUSR1
	{ "SIGUSR1", SIGUSR1, {0}, {0} },
	#endif
	#ifdef SIGUSR2
	{ "SIGUSR2", SIGUSR2, {0}, {0} },
	#endif
	#ifdef SIGSEGV
	{ "SIGSEGV", SIGSEGV, {0}, {0} },
	#endif
	#ifdef SIGPIPE
	{ "SIGPIPE", SIGPIPE, {0}, {0} },
	#endif
	#ifdef SIGALRM
	{ "SIGALRM", SIGALRM, {0}, {0} },
	#endif
	#ifdef SIGTERM
	{ "SIGTERM", SIGTERM, {0}, {0} },
	#endif
	#ifdef SIGCHLD
	{ "SIGCHLD", SIGCHLD, {0}, {0} },
	#endif
	#ifdef SIGCONT
	{ "SIGCONT", SIGCONT, {0}, {0} },
	#endif
	#ifdef SIGTSTP
	{ "SIGTSTP", SIGTSTP, {0}, {0} },
	#endif
	#ifdef SIGTTIN
	{ "SIGTTIN", SIGTTIN, {0}, {0} },
	#endif
	#ifdef SIGTTOU
	{ "SIGTTOU", SIGTTOU, {0}, {0} },
	#endif
	#ifdef SIGURG
	{ "SIGURG", SIGURG, {0}, {0} },
	#endif
	#ifdef SIGXCPU
	{ "SIGXCPU", SIGXCPU, {0}, {0} },
	#endif
	#ifdef SIGXFSZ
	{ "SIGXFSZ", SIGXFSZ, {0}, {0} },
	#endif
	#ifdef SIGVTALRM
	{ "SIGVTALRM", SIGVTALRM, {0}, {0} },
	#endif
	#ifdef SIGPROF
	{ "SIGPROF", SIGPROF, {0}, {0} },
	#endif
	#ifdef SIGWINCH
	{ "SIGWINCH", SIGWINCH, {0}, {0} },
	#endif
	#ifdef SIGIO
	{ "SIGIO", SIGIO, {0}, {0} },
	#endif
	#ifdef SIGSYS
	{ "SIGSYS", SIGSYS, {0}, {0} },
	#endif
	};

	for (size_t i = 0; i < sizeof(entries) / sizeof(entries[0]); i++) {
	HASH_ADD_KEYPTR(hh_name, signals_by_name, entries[i].name, strlen(entries[i].name), &entries[i]);
	HASH_ADD(hh_num, signals_by_num, signum, sizeof(int), &entries[i]);
	}

	initialized = true;
	}

	static int get_signal_number(const char *name) {
	init_signal_map();
	SignalEntry *entry = NULL;
	HASH_FIND(hh_name, signals_by_name, name, strlen(name), entry);
	return entry ? entry->signum : -1;
	}

	static const char *get_signal_name(int signum) {
	init_signal_map();
	SignalEntry *entry = NULL;
	HASH_FIND(hh_num, signals_by_num, &signum, sizeof(int), entry);
	return entry ? entry->name : NULL;
	}

	static ProcessEventType find_or_create_event_type(const char event_type) {
	ProcessEventType *evt = NULL;
	HASH_FIND_STR(process_events, event_type, evt);

	if (evt == NULL) {
	evt = malloc(sizeof(ProcessEventType));
	evt->event_type = strdup(event_type);
	evt->listener_count = 0;
	evt->listener_capacity = INITIAL_LISTENER_CAPACITY;
	evt->listeners = malloc(sizeof(ProcessEventListener) * evt->listener_capacity);
	HASH_ADD_KEYPTR(hh, process_events, evt->event_type, strlen(evt->event_type), evt);
	}

	return evt;
	}

	static bool ensure_listener_capacity(ProcessEventType *evt) {
	if (evt->listener_count >= evt->listener_capacity) {
	int new_capacity = evt->listener_capacity * 2;
	ProcessEventListener new_listeners = realloc(evt->listeners, sizeof(ProcessEventListener) new_capacity);
	if (!new_listeners) return false;
	evt->listeners = new_listeners;
	evt->listener_capacity = new_capacity;
	}
	return true;
	}

	static void check_listener_warning(const char *event) {
	ProcessEventType *evt = NULL;
	HASH_FIND_STR(process_events, event, evt);
	if (evt && evt->listener_count == max_listeners) fprintf(stderr,
	"Warning: Possible EventEmitter memory leak detected. "
	"%d '%s' listeners added. Use process.setMaxListeners() to increase limit.\n",
	evt->listener_count, event
	);
	}

	static void emit_process_event(const char event_type, jsval_t args, int nargs) {
	if (!rt->js) return;

	ProcessEventType *evt = NULL;
	HASH_FIND_STR(process_events, event_type, evt);

	if (evt == NULL \|\| evt->listener_count == 0) return;

	int i = 0;
	while (i < evt->listener_count) {
	ProcessEventListener *listener = &evt->listeners[i];
	js_call(rt->js, listener->listener, args, nargs);

	if (listener->once) {
	for (int j = i; j < evt->listener_count - 1; j++) {
	evt->listeners[j] = evt->listeners[j + 1];
	} evt->listener_count--;
	} else i++;
	}
	}

	static void process_signal_handler(int signum) {
	const char *name = get_signal_name(signum);
	if (name) {
	jsval_t sig_arg = js_mkstr(rt->js, name, strlen(name));
	emit_process_event(name, &sig_arg, 1);
	}
	}

	static ProcessEventType find_or_create_stdin_event(const char event_type) {
	ProcessEventType *evt = NULL;
	HASH_FIND_STR(stdin_events, event_type, evt);
	if (evt == NULL) {
	evt = malloc(sizeof(ProcessEventType));
	evt->event_type = strdup(event_type);
	evt->listener_count = 0;
	evt->listener_capacity = INITIAL_LISTENER_CAPACITY;
	evt->listeners = malloc(sizeof(ProcessEventListener) * evt->listener_capacity);
	HASH_ADD_KEYPTR(hh, stdin_events, evt->event_type, strlen(evt->event_type), evt);
	}
	return evt;
	}

	static ProcessEventType find_or_create_stdout_event(const char event_type) {
	ProcessEventType *evt = NULL;
	HASH_FIND_STR(stdout_events, event_type, evt);
	if (evt == NULL) {
	evt = malloc(sizeof(ProcessEventType));
	evt->event_type = strdup(event_type);
	evt->listener_count = 0;
	evt->listener_capacity = INITIAL_LISTENER_CAPACITY;
	evt->listeners = malloc(sizeof(ProcessEventListener) * evt->listener_capacity);
	HASH_ADD_KEYPTR(hh, stdout_events, evt->event_type, strlen(evt->event_type), evt);
	}
	return evt;
	}

	static void emit_stdio_event(ProcessEventType events, const char event_type, jsval_t *args, int nargs) {
	if (!rt->js) return;
	ProcessEventType *evt = NULL;
	HASH_FIND_STR(events, event_type, evt);
	if (evt == NULL \|\| evt->listener_count == 0) return;

	int i = 0;
	while (i < evt->listener_count) {
	ProcessEventListener *listener = &evt->listeners[i];
	js_call(rt->js, listener->listener, args, nargs);
	if (listener->once) {
	for (int j = i; j < evt->listener_count - 1; j++) {
	evt->listeners[j] = evt->listeners[j + 1];
	}
	evt->listener_count--;
	} else i++;
	}
	}

	static bool stdin_is_tty(void) {
	return uv_guess_handle(STDIN_FILENO) == UV_TTY;
	}

	static bool stdout_is_tty(void) {
	return uv_guess_handle(STDOUT_FILENO) == UV_TTY;
	}

	static bool stderr_is_tty(void) {
	return uv_guess_handle(STDERR_FILENO) == UV_TTY;
	}

	static void get_tty_size(int fd, int rows, int cols) {
	int out_rows = 24, out_cols = 80;
	#ifndef _WIN32
	struct winsize ws;
	if (ioctl(fd, TIOCGWINSZ, &ws) == 0) {
	if (ws.ws_row > 0) out_rows = ws.ws_row;
	if (ws.ws_col > 0) out_cols = ws.ws_col;
	}
	#else
	CONSOLE_SCREEN_BUFFER_INFO csbi;
	if (GetConsoleScreenBufferInfo(GetStdHandle(STD_OUTPUT_HANDLE), &csbi)) {
	int width = csbi.srWindow.Right - csbi.srWindow.Left + 1;
	int height = csbi.srWindow.Bottom - csbi.srWindow.Top + 1;
	if (height > 0) out_rows = height;
	if (width > 0) out_cols = width;
	}
	#endif
	if (rows) *rows = out_rows;
	if (cols) *cols = out_cols;
	}

	#ifndef _WIN32
	static bool stdin_set_raw_mode(bool enable) {
	if (!stdin_is_tty()) return false;
	if (enable) {
	if (stdin_raw_mode) return true;
	if (tcgetattr(STDIN_FILENO, &stdin_saved_termios) == -1) return false;
	struct termios raw = stdin_saved_termios;
	raw.c_lflag &= ~(ICANON \| ECHO \| ISIG);
	raw.c_cc[VMIN] = 1;
	raw.c_cc[VTIME] = 0;
	if (tcsetattr(STDIN_FILENO, TCSANOW, &raw) == -1) return false;
	stdin_raw_mode = true;
	return true;
	}
	if (!stdin_raw_mode) return true;
	if (tcsetattr(STDIN_FILENO, TCSANOW, &stdin_saved_termios) == -1) return false;
	stdin_raw_mode = false;
	return true;
	}
	#else
	static bool stdin_set_raw_mode(bool enable) {
	(void)enable;
	return false;
	}
	#endif

	static void stdin_alloc_buffer(uv_handle_t handle, size_t suggested_size, uv_buf_t buf) {
	(void)handle;
	buf->base = malloc(suggested_size);
	buf->len = suggested_size;
	}

	static void on_stdin_read(uv_stream_t stream, ssize_t nread, const uv_buf_t buf) {
	(void)stream;
	if (nread > 0 && rt->js) {
	jsval_t data_val = js_mkstr(rt->js, buf->base, (size_t)nread);
	emit_stdio_event(stdin_events, "data", &data_val, 1);
	}
	if (buf->base) free(buf->base);
	}

	static void stdin_start_reading(void) {
	if (stdin_reading) return;
	if (!stdin_tty_initialized) {
	uv_loop_t *loop = uv_default_loop();
	if (uv_tty_init(loop, &stdin_tty, STDIN_FILENO, 1) != 0) return;
	#ifndef _WIN32
	uv_tty_set_mode(&stdin_tty, stdin_raw_mode ? UV_TTY_MODE_RAW : UV_TTY_MODE_NORMAL);
	#endif
	stdin_tty.data = NULL;
	stdin_tty_initialized = true;
	} else {
	#ifndef _WIN32
	uv_tty_set_mode(&stdin_tty, stdin_raw_mode ? UV_TTY_MODE_RAW : UV_TTY_MODE_NORMAL);
	#endif
	}
	stdin_reading = true;
	uv_read_start((uv_stream_t *)&stdin_tty, stdin_alloc_buffer, on_stdin_read);
	}

	static void stdin_stop_reading(void) {
	if (!stdin_reading) return;
	uv_read_stop((uv_stream_t *)&stdin_tty);
	stdin_reading = false;
	}

	#ifndef _WIN32
	static void on_sigwinch(uv_signal_t *handle, int signum) {
	(void)handle; (void)signum;
	if (!rt->js) return;

	jsval_t process_obj = js_get(rt->js, js_glob(rt->js), "process");
	if (js_type(process_obj) != JS_OBJ) return;

	jsval_t stdout_obj = js_get(rt->js, process_obj, "stdout");
	if (js_type(stdout_obj) != JS_OBJ) return;

	int rows = 0, cols = 0;
	get_tty_size(STDOUT_FILENO, &rows, &cols);
	js_set(rt->js, stdout_obj, "rows", js_mknum(rows));
	js_set(rt->js, stdout_obj, "columns", js_mknum(cols));

	emit_stdio_event(stdout_events, "resize", NULL, 0);
	}
	#endif

	static void start_sigwinch_handler(void) {
	#ifndef _WIN32
	if (sigwinch_initialized) return;
	uv_loop_t *loop = uv_default_loop();
	if (uv_signal_init(loop, &sigwinch_handle) != 0) return;
	if (uv_signal_start(&sigwinch_handle, on_sigwinch, SIGWINCH) != 0) {
	uv_close((uv_handle_t *)&sigwinch_handle, NULL);
	return;
	}
	uv_unref((uv_handle_t *)&sigwinch_handle);
	sigwinch_initialized = true;
	#endif
	}

	static jsval_t js_stdin_set_raw_mode(ant_t js, jsval_t args, int nargs) {
	bool enable = nargs > 0 ? js_truthy(js, args[0]) : true;
	return stdin_set_raw_mode(enable) ? js_mktrue() : js_mkfalse();
	}

	static jsval_t js_stdin_resume(ant_t js, jsval_t args, int nargs) {
	(void)args; (void)nargs;
	stdin_start_reading();
	return js_getthis(js);
	}

	static jsval_t js_stdin_pause(ant_t js, jsval_t args, int nargs) {
	(void)args; (void)nargs;
	stdin_stop_reading();
	return js_getthis(js);
	}

	static jsval_t js_stdin_on(ant_t js, jsval_t args, int nargs) {
	jsval_t this_obj = js_getthis(js);
	if (nargs < 2) return this_obj;

	char *event = js_getstr(js, args[0], NULL);
	if (!event \|\| js_type(args[1]) != JS_FUNC) return this_obj;

	ProcessEventType *evt = find_or_create_stdin_event(event);
	if (!ensure_listener_capacity(evt)) return this_obj;

	evt->listeners[evt->listener_count].listener = args[1];
	evt->listeners[evt->listener_count].once = false;
	evt->listener_count++;

	if (strcmp(event, "data") == 0) stdin_start_reading();

	return this_obj;
	}

	static jsval_t js_stdin_remove_all_listeners(ant_t js, jsval_t args, int nargs) {
	jsval_t this_obj = js_getthis(js);

	if (nargs < 1) {
	ProcessEventType evt, tmp;
	HASH_ITER(hh, stdin_events, evt, tmp) {
	evt->listener_count = 0;
	}
	stdin_stop_reading();
	return this_obj;
	}

	char *event = js_getstr(js, args[0], NULL);
	if (!event) return this_obj;

	ProcessEventType *evt = NULL;
	HASH_FIND_STR(stdin_events, event, evt);
	if (evt) evt->listener_count = 0;
	if (strcmp(event, "data") == 0) stdin_stop_reading();

	return this_obj;
	}

	static jsval_t js_stdout_write(ant_t js, jsval_t args, int nargs) {
	if (nargs < 1) return js_mkfalse();
	size_t len = 0;
	char *data = js_getstr(js, args[0], &len);
	if (!data) return js_mkfalse();
	fwrite(data, 1, len, stdout);
	fflush(stdout);
	return js_mktrue();
	}

	static jsval_t js_stdout_on(ant_t js, jsval_t args, int nargs) {
	jsval_t this_obj = js_getthis(js);
	if (nargs < 2) return this_obj;

	char *event = js_getstr(js, args[0], NULL);
	if (!event \|\| js_type(args[1]) != JS_FUNC) return this_obj;

	ProcessEventType *evt = find_or_create_stdout_event(event);
	if (!ensure_listener_capacity(evt)) return this_obj;

	evt->listeners[evt->listener_count].listener = args[1];
	evt->listeners[evt->listener_count].once = false;
	evt->listener_count++;

	if (strcmp(event, "resize") == 0) start_sigwinch_handler();

	return this_obj;
	}

	static jsval_t js_stdout_once(ant_t js, jsval_t args, int nargs) {
	jsval_t this_obj = js_getthis(js);
	if (nargs < 2) return this_obj;

	char *event = js_getstr(js, args[0], NULL);
	if (!event \|\| js_type(args[1]) != JS_FUNC) return this_obj;

	ProcessEventType *evt = find_or_create_stdout_event(event);
	if (!ensure_listener_capacity(evt)) return this_obj;

	evt->listeners[evt->listener_count].listener = args[1];
	evt->listeners[evt->listener_count].once = true;
	evt->listener_count++;

	if (strcmp(event, "resize") == 0) start_sigwinch_handler();

	return this_obj;
	}

	static jsval_t js_stdout_remove_all_listeners(ant_t js, jsval_t args, int nargs) {
	jsval_t this_obj = js_getthis(js);

	if (nargs < 1) {
	ProcessEventType evt, tmp;
	HASH_ITER(hh, stdout_events, evt, tmp) {
	evt->listener_count = 0;
	}
	return this_obj;
	}

	char *event = js_getstr(js, args[0], NULL);
	if (!event) return this_obj;

	ProcessEventType *evt = NULL;
	HASH_FIND_STR(stdout_events, event, evt);
	if (evt) evt->listener_count = 0;

	return this_obj;
	}

	static jsval_t js_stdout_get_window_size(ant_t js, jsval_t args, int nargs) {
	(void)args; (void)nargs;
	int rows = 0, cols = 0;
	get_tty_size(STDOUT_FILENO, &rows, &cols);
	jsval_t arr = js_mkarr(js);
	js_arr_push(js, arr, js_mknum(cols));
	js_arr_push(js, arr, js_mknum(rows));
	return arr;
	}

	static jsval_t js_stdout_rows_getter(ant_t js, jsval_t args, int nargs) {
	(void)args; (void)nargs;
	int rows = 0, cols = 0;
	get_tty_size(STDOUT_FILENO, &rows, &cols);
	return js_mknum(rows);
	}

	static jsval_t js_stdout_columns_getter(ant_t js, jsval_t args, int nargs) {
	(void)args; (void)nargs;
	int rows = 0, cols = 0;
	get_tty_size(STDOUT_FILENO, &rows, &cols);
	return js_mknum(cols);
	}

	static ProcessEventType find_or_create_stderr_event(const char event_type) {
	ProcessEventType *evt = NULL;
	HASH_FIND_STR(stderr_events, event_type, evt);
	if (evt == NULL) {
	evt = malloc(sizeof(ProcessEventType));
	evt->event_type = strdup(event_type);
	evt->listener_count = 0;
	evt->listener_capacity = INITIAL_LISTENER_CAPACITY;
	evt->listeners = malloc(sizeof(ProcessEventListener) * evt->listener_capacity);
	HASH_ADD_KEYPTR(hh, stderr_events, evt->event_type, strlen(evt->event_type), evt);
	}
	return evt;
	}

	static jsval_t js_stderr_write(ant_t js, jsval_t args, int nargs) {
	if (nargs < 1) return js_mkfalse();
	size_t len = 0;
	char *data = js_getstr(js, args[0], &len);
	if (!data) return js_mkfalse();
	fwrite(data, 1, len, stderr);
	fflush(stderr);
	return js_mktrue();
	}

	static jsval_t js_stderr_on(ant_t js, jsval_t args, int nargs) {
	jsval_t this_obj = js_getthis(js);
	if (nargs < 2) return this_obj;

	char *event = js_getstr(js, args[0], NULL);
	if (!event \|\| js_type(args[1]) != JS_FUNC) return this_obj;

	ProcessEventType *evt = find_or_create_stderr_event(event);
	if (!ensure_listener_capacity(evt)) return this_obj;

	evt->listeners[evt->listener_count].listener = args[1];
	evt->listeners[evt->listener_count].once = false;
	evt->listener_count++;

	return this_obj;
	}

	static jsval_t js_stderr_once(ant_t js, jsval_t args, int nargs) {
	jsval_t this_obj = js_getthis(js);
	if (nargs < 2) return this_obj;

	char *event = js_getstr(js, args[0], NULL);
	if (!event \|\| js_type(args[1]) != JS_FUNC) return this_obj;

	ProcessEventType *evt = find_or_create_stderr_event(event);
	if (!ensure_listener_capacity(evt)) return this_obj;

	evt->listeners[evt->listener_count].listener = args[1];
	evt->listeners[evt->listener_count].once = true;
	evt->listener_count++;

	return this_obj;
	}

	static jsval_t js_stderr_remove_all_listeners(ant_t js, jsval_t args, int nargs) {
	jsval_t this_obj = js_getthis(js);

	if (nargs < 1) {
	ProcessEventType evt, tmp;
	HASH_ITER(hh, stderr_events, evt, tmp) {
	evt->listener_count = 0;
	}
	return this_obj;
	}

	char *event = js_getstr(js, args[0], NULL);
	if (!event) return this_obj;

	ProcessEventType *evt = NULL;
	HASH_FIND_STR(stderr_events, event, evt);
	if (evt) evt->listener_count = 0;

	return this_obj;
	}

	static jsval_t process_uptime(ant_t js, jsval_t args, int nargs) {
	(void)args; (void)nargs;
	uint64_t now = uv_hrtime();
	double seconds = (double)(now - process_start_time) / 1e9;
	return js_mknum(seconds);
	}

	static jsval_t process_hrtime(ant_t js, jsval_t args, int nargs) {
	uint64_t now = uv_hrtime();

	if (nargs > 0 && js_type(args[0]) == T_ARR) {
	jsval_t prev_sec = js_get(js, args[0], "0");
	jsval_t prev_nsec = js_get(js, args[0], "1");
	if (js_type(prev_sec) == JS_NUM && js_type(prev_nsec) == JS_NUM) {
	uint64_t prev = (uint64_t)js_getnum(prev_sec) * 1000000000ULL + (uint64_t)js_getnum(prev_nsec);
	now = now - prev;
	}
	}

	jsval_t arr = js_mkarr(js);

	uint64_t secs = now / 1000000000ULL;
	uint64_t nsecs = now % 1000000000ULL;

	js_arr_push(js, arr, js_mknum((double)secs));
	js_arr_push(js, arr, js_mknum((double)nsecs));

	return arr;
	}

	static jsval_t process_hrtime_bigint(ant_t js, jsval_t args, int nargs) {
	(void)args; (void)nargs;
	uint64_t now = uv_hrtime();
	char buf[32];
	snprintf(buf, sizeof(buf), "%llu", (unsigned long long)now);
	return js_mkbigint(js, buf, strlen(buf), false);
	}

	static jsval_t process_memory_usage(ant_t js, jsval_t args, int nargs) {
	(void)args; (void)nargs;
	jsval_t obj = js_mkobj(js);

	size_t rss = 0;
	uv_resident_set_memory(&rss);
	js_set(js, obj, "rss", js_mknum((double)rss));

	#ifdef _WIN32
	PROCESS_MEMORY_COUNTERS_EX pmc;
	if (GetProcessMemoryInfo(GetCurrentProcess(), (PROCESS_MEMORY_COUNTERS*)&pmc, sizeof(pmc))) {
	js_set(js, obj, "heapTotal", js_mknum((double)pmc.WorkingSetSize));
	js_set(js, obj, "heapUsed", js_mknum((double)pmc.PrivateUsage));
	} else {
	js_set(js, obj, "heapTotal", js_mknum(0));
	js_set(js, obj, "heapUsed", js_mknum(0));
	}
	#else
	struct rusage usage;
	if (getrusage(RUSAGE_SELF, &usage) == 0) {
	js_set(js, obj, "heapTotal", js_mknum((double)rss));
	js_set(js, obj, "heapUsed", js_mknum((double)rss));
	} else {
	js_set(js, obj, "heapTotal", js_mknum(0));
	js_set(js, obj, "heapUsed", js_mknum(0));
	}
	#endif

	js_set(js, obj, "external", js_mknum(0));
	js_set(js, obj, "arrayBuffers", js_mknum(0));

	return obj;
	}

	static jsval_t process_memory_usage_rss(ant_t js, jsval_t args, int nargs) {
	(void)args; (void)nargs;
	size_t rss = 0;
	uv_resident_set_memory(&rss);
	return js_mknum((double)rss);
	}

	static jsval_t process_cpu_usage(ant_t js, jsval_t args, int nargs) {
	jsval_t obj = js_mkobj(js);
	uv_rusage_t rusage;

	if (uv_getrusage(&rusage) == 0) {
	int64_t user_usec = rusage.ru_utime.tv_sec * 1000000LL + rusage.ru_utime.tv_usec;
	int64_t sys_usec = rusage.ru_stime.tv_sec * 1000000LL + rusage.ru_stime.tv_usec;

	if (nargs > 0 && js_type(args[0]) == JS_OBJ) {
	jsval_t prev_user = js_get(js, args[0], "user");
	jsval_t prev_system = js_get(js, args[0], "system");
	if (js_type(prev_user) == JS_NUM) user_usec -= (int64_t)js_getnum(prev_user);
	if (js_type(prev_system) == JS_NUM) sys_usec -= (int64_t)js_getnum(prev_system);
	}

	js_set(js, obj, "user", js_mknum((double)user_usec));
	js_set(js, obj, "system", js_mknum((double)sys_usec));
	} else {
	js_set(js, obj, "user", js_mknum(0));
	js_set(js, obj, "system", js_mknum(0));
	}

	return obj;
	}

	static jsval_t process_kill(ant_t js, jsval_t args, int nargs) {
	if (nargs < 1) return js_mkerr(js, "process.kill requires at least 1 argument");
	if (js_type(args[0]) != JS_NUM) return js_mkerr(js, "pid must be a number");

	int pid = (int)js_getnum(args[0]);
	int sig = SIGTERM;

	if (nargs > 1) {
	if (js_type(args[1]) == JS_NUM) {
	sig = (int)js_getnum(args[1]);
	} else if (js_type(args[1]) == JS_STR) {
	char *sig_name = js_getstr(js, args[1], NULL);
	if (sig_name) {
	int signum = get_signal_number(sig_name);
	if (signum > 0) sig = signum;
	else return js_mkerr(js, "Unknown signal");
	}
	}
	}

	int result = uv_kill(pid, sig);
	if (result != 0) return js_mkerr(js, "Failed to send signal");
	return js_mktrue();
	}

	static jsval_t process_abort(ant_t js, jsval_t args, int nargs) {
	(void)js; (void)args; (void)nargs;
	abort();
	return js_mkundef();
	}

	static jsval_t process_chdir(ant_t js, jsval_t args, int nargs) {
	if (nargs < 1) return js_mkerr(js, "process.chdir requires 1 argument");

	char *dir = js_getstr(js, args[0], NULL);
	if (!dir) return js_mkerr(js, "directory must be a string");

	int result = uv_chdir(dir);
	if (result != 0) return js_mkerr(js, "ENOENT: no such file or directory, chdir");
	return js_mkundef();
	}

	static jsval_t process_umask(ant_t js, jsval_t args, int nargs) {
	#ifdef _WIN32
	(void)args; (void)nargs;
	return js_mknum(0);
	#else
	if (nargs > 0 && js_type(args[0]) == JS_NUM) {
	int new_mask = (int)js_getnum(args[0]);
	int old_mask = umask((mode_t)new_mask);
	return js_mknum(old_mask);
	}
	int cur = umask(0);
	umask((mode_t)cur);
	return js_mknum(cur);
	#endif
	}

	#ifndef _WIN32
	static jsval_t process_getuid(ant_t js, jsval_t args, int nargs) {
	(void)args; (void)nargs;
	return js_mknum((double)getuid());
	}

	static jsval_t process_geteuid(ant_t js, jsval_t args, int nargs) {
	(void)args; (void)nargs;
	return js_mknum((double)geteuid());
	}

	static jsval_t process_getgid(ant_t js, jsval_t args, int nargs) {
	(void)args; (void)nargs;
	return js_mknum((double)getgid());
	}

	static jsval_t process_getegid(ant_t js, jsval_t args, int nargs) {
	(void)args; (void)nargs;
	return js_mknum((double)getegid());
	}

	static jsval_t process_getgroups(ant_t js, jsval_t args, int nargs) {
	(void)args; (void)nargs;
	int ngroups = getgroups(0, NULL);
	if (ngroups < 0) return js_mkarr(js);

	gid_t groups = malloc(sizeof(gid_t) (size_t)ngroups);
	if (!groups) return js_mkarr(js);

	ngroups = getgroups(ngroups, groups);
	jsval_t arr = js_mkarr(js);
	for (int i = 0; i < ngroups; i++) {
	js_arr_push(js, arr, js_mknum((double)groups[i]));
	}
	free(groups);
	return arr;
	}

	static jsval_t process_setuid(ant_t js, jsval_t args, int nargs) {
	if (nargs < 1) return js_mkerr(js, "process.setuid requires 1 argument");

	uid_t uid;
	if (js_type(args[0]) == JS_NUM) {
	uid = (uid_t)js_getnum(args[0]);
	} else if (js_type(args[0]) == JS_STR) {
	char *name = js_getstr(js, args[0], NULL);
	struct passwd *pwd = getpwnam(name);
	if (!pwd) return js_mkerr(js, "setuid user not found");
	uid = pwd->pw_uid;
	} else {
	return js_mkerr(js, "uid must be a number or string");
	}

	if (setuid(uid) != 0) return js_mkerr(js, "setuid failed");
	return js_mkundef();
	}

	static jsval_t process_setgid(ant_t js, jsval_t args, int nargs) {
	if (nargs < 1) return js_mkerr(js, "process.setgid requires 1 argument");

	gid_t gid;
	if (js_type(args[0]) == JS_NUM) {
	gid = (gid_t)js_getnum(args[0]);
	} else if (js_type(args[0]) == JS_STR) {
	char *name = js_getstr(js, args[0], NULL);
	struct group *grp = getgrnam(name);
	if (!grp) return js_mkerr(js, "setgid group not found");
	gid = grp->gr_gid;
	} else {
	return js_mkerr(js, "gid must be a number or string");
	}

	if (setgid(gid) != 0) return js_mkerr(js, "setgid failed");
	return js_mkundef();
	}

	static jsval_t process_seteuid(ant_t js, jsval_t args, int nargs) {
	if (nargs < 1) return js_mkerr(js, "process.seteuid requires 1 argument");

	uid_t uid;
	if (js_type(args[0]) == JS_NUM) {
	uid = (uid_t)js_getnum(args[0]);
	} else if (js_type(args[0]) == JS_STR) {
	char *name = js_getstr(js, args[0], NULL);
	struct passwd *pwd = getpwnam(name);
	if (!pwd) return js_mkerr(js, "seteuid user not found");
	uid = pwd->pw_uid;
	} else {
	return js_mkerr(js, "uid must be a number or string");
	}

	if (seteuid(uid) != 0) return js_mkerr(js, "seteuid failed");
	return js_mkundef();
	}

	static jsval_t process_setegid(ant_t js, jsval_t args, int nargs) {
	if (nargs < 1) return js_mkerr(js, "process.setegid requires 1 argument");

	gid_t gid;
	if (js_type(args[0]) == JS_NUM) {
	gid = (gid_t)js_getnum(args[0]);
	} else if (js_type(args[0]) == JS_STR) {
	char *name = js_getstr(js, args[0], NULL);
	struct group *grp = getgrnam(name);
	if (!grp) return js_mkerr(js, "setegid group not found");
	gid = grp->gr_gid;
	} else {
	return js_mkerr(js, "gid must be a number or string");
	}

	if (setegid(gid) != 0) return js_mkerr(js, "setegid failed");
	return js_mkundef();
	}

	static jsval_t process_setgroups(ant_t js, jsval_t args, int nargs) {
	if (nargs < 1 \|\| js_type(args[0]) != T_ARR) {
	return js_mkerr(js, "process.setgroups requires an array");
	}

	jsval_t len_val = js_get(js, args[0], "length");
	int len = (int)js_getnum(len_val);

	gid_t groups = malloc(sizeof(gid_t) (size_t)len);
	if (!groups) return js_mkerr(js, "allocation failed");

	for (int i = 0; i < len; i++) {
	char idx[16];
	snprintf(idx, sizeof(idx), "%d", i);
	jsval_t val = js_get(js, args[0], idx);
	if (js_type(val) == JS_NUM) {
	groups[i] = (gid_t)js_getnum(val);
	} else if (js_type(val) == JS_STR) {
	char *name = js_getstr(js, val, NULL);
	struct group *grp = getgrnam(name);
	if (!grp) { free(groups); return js_mkerr(js, "group not found"); }
	groups[i] = grp->gr_gid;
	} else {
	free(groups);
	return js_mkerr(js, "group id must be number or string");
	}
	}

	if (setgroups(len, groups) != 0) {
	free(groups);
	return js_mkerr(js, "setgroups failed");
	}
	free(groups);
	return js_mkundef();
	}

	static jsval_t process_initgroups(ant_t js, jsval_t args, int nargs) {
	if (nargs < 2) return js_mkerr(js, "process.initgroups requires 2 arguments");

	char *user = js_getstr(js, args[0], NULL);
	if (!user) return js_mkerr(js, "user must be a string");

	gid_t gid;
	if (js_type(args[1]) == JS_NUM) {
	gid = (gid_t)js_getnum(args[1]);
	} else if (js_type(args[1]) == JS_STR) {
	char *name = js_getstr(js, args[1], NULL);
	struct group *grp = getgrnam(name);
	if (!grp) return js_mkerr(js, "group not found");
	gid = grp->gr_gid;
	} else {
	return js_mkerr(js, "gid must be a number or string");
	}

	if (initgroups(user, gid) != 0) return js_mkerr(js, "initgroups failed");
	return js_mkundef();
	}
	#endif

	static jsval_t env_getter(ant_t js, jsval_t obj, const char key, size_t key_len) {
	char key_str = (char )malloc(key_len + 1);
	if (!key_str) return js_mkundef();

	memcpy(key_str, key, key_len);
	key_str[key_len] = '\0';

	char *value = getenv(key_str);
	free(key_str);

	if (value == NULL) return js_mkundef();
	return js_mkstr(js, value, strlen(value));
	}

	static void load_dotenv_file(ant_t *js, jsval_t env_obj) {
	FILE *fp = fopen(".env", "r");
	if (fp == NULL) return;

	char line[1024];
	while (fgets(line, sizeof(line), fp) != NULL) {
	size_t len = strlen(line);
	if (len > 0 && line[len - 1] == '\n') {
	line[len - 1] = '\0';
	len--;
	}
	if (len > 0 && line[len - 1] == '\r') {
	line[len - 1] = '\0';
	len--;
	}

	if (len == 0 \|\| line[0] == '#') continue;
	char *equals = strchr(line, '=');
	if (equals == NULL) continue;

	*equals = '\0';
	char *key = line;
	char *value = equals + 1;

	while (key == ' ' \|\| key == '\t') key++;
	char *key_end = key + strlen(key) - 1;
	while (key_end > key && (key_end == ' ' \|\| key_end == '\t')) {
	*key_end = '\0';
	key_end--;
	}

	while (value == ' ' \|\| value == '\t') value++;
	char *value_end = value + strlen(value) - 1;
	while (value_end > value && (value_end == ' ' \|\| value_end == '\t')) {
	*value_end = '\0';
	value_end--;
	}

	if (strlen(value) >= 2 &&
	((value[0] == '"' && value[strlen(value) - 1] == '"')
	\|\| (value[0] == '\'' && value[strlen(value) - 1] == '\''))) {
	value[strlen(value) - 1] = '\0';
	value++;
	}

	js_set(js, env_obj, key, js_mkstr(js, value, strlen(value)));
	}

	fclose(fp);
	}

	static jsval_t process_exit(ant_t js, jsval_t args, int nargs) {
	int code = 0;

	if (nargs > 0 && js_type(args[0]) == JS_NUM) {
	code = (int)js_getnum(args[0]);
	}

	exit(code);
	return js_mkundef();
	}

	static jsval_t env_to_object(ant_t js, jsval_t args, int nargs) {
	jsval_t obj = js_mkobj(js);

	for (char *env = environ; env != NULL; env++) {
	char entry = env;
	char *equals = strchr(entry, '=');
	if (equals == NULL) continue;

	size_t key_len = (size_t)(equals - entry);
	char *value = equals + 1;

	char *key = malloc(key_len + 1);
	if (!key) continue;
	memcpy(key, entry, key_len);
	key[key_len] = '\0';

	js_set(js, obj, key, js_mkstr(js, value, strlen(value)));
	free(key);
	}

	return obj;
	}

	static jsval_t process_cwd(ant_t js, jsval_t args, int nargs) {
	char cwd[4096];
	if (getcwd(cwd, sizeof(cwd)) != NULL) {
	return js_mkstr(js, cwd, strlen(cwd));
	}
	return js_mkundef();
	}

	static jsval_t process_on(ant_t js, jsval_t args, int nargs) {
	if (nargs < 2) return js_mkerr(js, "process.on requires 2 arguments");

	char *event = js_getstr(js, args[0], NULL);
	if (!event) return js_mkerr(js, "event must be a string");
	if (js_type(args[1]) != JS_FUNC) return js_mkerr(js, "listener must be a function");

	int signum = get_signal_number(event);
	if (signum > 0) {
	signal(signum, process_signal_handler);
	}

	ProcessEventType *evt = find_or_create_event_type(event);
	if (!ensure_listener_capacity(evt)) {
	return js_mkerr(js, "failed to allocate listener");
	}

	evt->listeners[evt->listener_count].listener = args[1];
	evt->listeners[evt->listener_count].once = false;
	evt->listener_count++;

	check_listener_warning(event);

	return js_get(js, js_glob(js), "process");
	}

	static jsval_t process_once(ant_t js, jsval_t args, int nargs) {
	if (nargs < 2) return js_mkerr(js, "process.once requires 2 arguments");

	char *event = js_getstr(js, args[0], NULL);
	if (!event) return js_mkerr(js, "event must be a string");
	if (js_type(args[1]) != JS_FUNC) return js_mkerr(js, "listener must be a function");

	int signum = get_signal_number(event);
	if (signum > 0) {
	signal(signum, process_signal_handler);
	}

	ProcessEventType *evt = find_or_create_event_type(event);
	if (!ensure_listener_capacity(evt)) {
	return js_mkerr(js, "failed to allocate listener");
	}

	evt->listeners[evt->listener_count].listener = args[1];
	evt->listeners[evt->listener_count].once = true;
	evt->listener_count++;

	check_listener_warning(event);

	return js_get(js, js_glob(js), "process");
	}

	static jsval_t process_off(ant_t js, jsval_t args, int nargs) {
	jsval_t process_obj = js_get(js, js_glob(js), "process");
	if (nargs < 2) return process_obj;

	char *event = js_getstr(js, args[0], NULL);
	if (!event) return process_obj;

	ProcessEventType *evt = NULL;
	HASH_FIND_STR(process_events, event, evt);
	if (!evt) return process_obj;

	for (int i = 0; i < evt->listener_count; i++) {
	if (evt->listeners[i].listener == args[1]) {
	for (int j = i; j < evt->listener_count - 1; j++) {
	evt->listeners[j] = evt->listeners[j + 1];
	} evt->listener_count--;
	break;
	}
	}

	if (evt->listener_count == 0) {
	int signum = get_signal_number(event);
	if (signum > 0) signal(signum, SIG_DFL);
	}

	return process_obj;
	}

	static jsval_t process_remove_all_listeners(ant_t js, jsval_t args, int nargs) {
	jsval_t process_obj = js_get(js, js_glob(js), "process");

	if (nargs > 0 && js_type(args[0]) == JS_STR) {
	char *event = js_getstr(js, args[0], NULL);
	if (event) {
	ProcessEventType *evt = NULL;
	HASH_FIND_STR(process_events, event, evt);
	if (evt) {
	evt->listener_count = 0;
	int signum = get_signal_number(event);
	if (signum > 0) signal(signum, SIG_DFL);
	}
	}
	} else {
	ProcessEventType evt, tmp;
	HASH_ITER(hh, process_events, evt, tmp) {
	int signum = get_signal_number(evt->event_type);
	if (signum > 0) signal(signum, SIG_DFL);
	evt->listener_count = 0;
	}
	}

	return process_obj;
	}

	static jsval_t process_emit(ant_t js, jsval_t args, int nargs) {
	if (nargs < 1) return js_mkfalse();

	char *event = js_getstr(js, args[0], NULL);
	if (!event) return js_mkfalse();

	emit_process_event(event, nargs > 1 ? &args[1] : NULL, nargs - 1);
	return js_mktrue();
	}

	static jsval_t process_listener_count(ant_t js, jsval_t args, int nargs) {
	if (nargs < 1) return js_mknum(0);

	char *event = js_getstr(js, args[0], NULL);
	if (!event) return js_mknum(0);

	ProcessEventType *evt = NULL;
	HASH_FIND_STR(process_events, event, evt);

	return js_mknum(evt ? evt->listener_count : 0);
	}

	static jsval_t process_set_max_listeners(ant_t js, jsval_t args, int nargs) {
	if (nargs < 1) return js_mkerr(js, "setMaxListeners requires 1 argument");
	if (js_type(args[0]) != JS_NUM) return js_mkerr(js, "n must be a number");

	int n = (int)js_getnum(args[0]);
	if (n < 0) return js_mkerr(js, "n must be non-negative");

	max_listeners = n;
	return js_get(js, js_glob(js), "process");
	}

	static jsval_t process_get_max_listeners(ant_t js, jsval_t args, int nargs) {
	return js_mknum(max_listeners);
	}

	void init_process_module() {
	ant_t *js = rt->js;
	jsval_t global = js_glob(js);

	process_start_time = uv_hrtime();
	jsval_t process_proto = js_mkobj(js);

	js_set(js, process_proto, "exit", js_mkfun(process_exit));
	js_set(js, process_proto, "on", js_mkfun(process_on));
	js_set(js, process_proto, "addListener", js_mkfun(process_on));
	js_set(js, process_proto, "once", js_mkfun(process_once));
	js_set(js, process_proto, "off", js_mkfun(process_off));
	js_set(js, process_proto, "removeListener", js_mkfun(process_off));
	js_set(js, process_proto, "removeAllListeners", js_mkfun(process_remove_all_listeners));
	js_set(js, process_proto, "emit", js_mkfun(process_emit));
	js_set(js, process_proto, "listenerCount", js_mkfun(process_listener_count));
	js_set(js, process_proto, "setMaxListeners", js_mkfun(process_set_max_listeners));
	js_set(js, process_proto, "getMaxListeners", js_mkfun(process_get_max_listeners));
	js_set(js, process_proto, "cwd", js_mkfun(process_cwd));
	js_set(js, process_proto, "chdir", js_mkfun(process_chdir));
	js_set(js, process_proto, "uptime", js_mkfun(process_uptime));
	js_set(js, process_proto, "cpuUsage", js_mkfun(process_cpu_usage));
	js_set(js, process_proto, "kill", js_mkfun(process_kill));
	js_set(js, process_proto, "abort", js_mkfun(process_abort));
	js_set(js, process_proto, "umask", js_mkfun(process_umask));

	jsval_t mem_usage_fn = js_heavy_mkfun(js, process_memory_usage, js_mkundef());
	js_set(js, mem_usage_fn, "rss", js_mkfun(process_memory_usage_rss));
	js_set(js, process_proto, "memoryUsage", mem_usage_fn);

	jsval_t hrtime_fn = js_heavy_mkfun(js, process_hrtime, js_mkundef());
	js_set(js, hrtime_fn, "bigint", js_mkfun(process_hrtime_bigint));
	js_set(js, process_proto, "hrtime", hrtime_fn);

	#ifndef _WIN32
	js_set(js, process_proto, "getuid", js_mkfun(process_getuid));
	js_set(js, process_proto, "geteuid", js_mkfun(process_geteuid));
	js_set(js, process_proto, "getgid", js_mkfun(process_getgid));
	js_set(js, process_proto, "getegid", js_mkfun(process_getegid));
	js_set(js, process_proto, "getgroups", js_mkfun(process_getgroups));
	js_set(js, process_proto, "setuid", js_mkfun(process_setuid));
	js_set(js, process_proto, "setgid", js_mkfun(process_setgid));
	js_set(js, process_proto, "seteuid", js_mkfun(process_seteuid));
	js_set(js, process_proto, "setegid", js_mkfun(process_setegid));
	js_set(js, process_proto, "setgroups", js_mkfun(process_setgroups));
	js_set(js, process_proto, "initgroups", js_mkfun(process_initgroups));
	#endif

	js_set(js, process_proto, get_toStringTag_sym_key(), js_mkstr(js, "process", 7));

	jsval_t process_obj = js_mkobj(js);
	js_set_proto(js, process_obj, process_proto);

	jsval_t env_obj = js_mkobj(js);
	load_dotenv_file(js, env_obj);
	js_set_getter(js, env_obj, env_getter);
	js_set(js, env_obj, "toObject", js_mkfun(env_to_object));
	js_set(js, process_obj, "env", env_obj);

	jsval_t argv_arr = js_mkarr(js);
	for (int i = 0; i < rt->argc; i++) {
	js_arr_push(js, argv_arr, js_mkstr(js, rt->argv[i], strlen(rt->argv[i])));
	}

	js_set(js, process_obj, "argv", argv_arr);
	js_set(js, process_obj, "execArgv", js_mkarr(js));
	js_set(js, process_obj, "argv0", rt->argc > 0 ? js_mkstr(js, rt->argv[0], strlen(rt->argv[0])) : js_mkstr(js, "ant", 3));
	js_set(js, process_obj, "execPath", rt->argc > 0 ? js_mkstr(js, rt->argv[0], strlen(rt->argv[0])) : js_mkundef());

	js_set(js, process_obj, "pid", js_mknum((double)getpid()));
	js_set(js, process_obj, "ppid", js_mknum((double)getppid()));

	char version_str[128];
	snprintf(version_str, sizeof(version_str), "v%s", ANT_VERSION);
	js_set(js, process_obj, "version", js_mkstr(js, version_str, strlen(version_str)));

	jsval_t versions_obj = js_mkobj(js);
	js_set(js, versions_obj, "ant", js_mkstr(js, ANT_VERSION, strlen(ANT_VERSION)));
	char uv_ver[32];
	snprintf(uv_ver, sizeof(uv_ver), "%d.%d.%d", UV_VERSION_MAJOR, UV_VERSION_MINOR, UV_VERSION_PATCH);
	js_set(js, versions_obj, "uv", js_mkstr(js, uv_ver, strlen(uv_ver)));
	js_set(js, process_obj, "versions", versions_obj);

	jsval_t release_obj = js_mkobj(js);
	js_set(js, release_obj, "name", js_mkstr(js, "ant", 3));
	js_set(js, process_obj, "release", release_obj);

	// process.platform
	#if defined(__APPLE__)
	js_set(js, process_obj, "platform", js_mkstr(js, "darwin", 6));
	#elif defined(__linux__)
	js_set(js, process_obj, "platform", js_mkstr(js, "linux", 5));
	#elif defined(_WIN32) \|\| defined(_WIN64)
	js_set(js, process_obj, "platform", js_mkstr(js, "win32", 5));
	#elif defined(__FreeBSD__)
	js_set(js, process_obj, "platform", js_mkstr(js, "freebsd", 7));
	#else
	js_set(js, process_obj, "platform", js_mkstr(js, "unknown", 7));
	#endif

	// process.arch
	#if defined(__x86_64__) \|\| defined(_M_X64)
	js_set(js, process_obj, "arch", js_mkstr(js, "x64", 3));
	#elif defined(__i386__) \|\| defined(_M_IX86)
	js_set(js, process_obj, "arch", js_mkstr(js, "ia32", 4));
	#elif defined(__aarch64__) \|\| defined(_M_ARM64)
	js_set(js, process_obj, "arch", js_mkstr(js, "arm64", 5));
	#elif defined(__arm__) \|\| defined(_M_ARM)
	js_set(js, process_obj, "arch", js_mkstr(js, "arm", 3));
	#else
	js_set(js, process_obj, "arch", js_mkstr(js, "unknown", 7));
	#endif

	jsval_t stdin_proto = js_mkobj(js);
	js_set(js, stdin_proto, "setRawMode", js_mkfun(js_stdin_set_raw_mode));
	js_set(js, stdin_proto, "resume", js_mkfun(js_stdin_resume));
	js_set(js, stdin_proto, "pause", js_mkfun(js_stdin_pause));
	js_set(js, stdin_proto, "on", js_mkfun(js_stdin_on));
	js_set(js, stdin_proto, "removeAllListeners", js_mkfun(js_stdin_remove_all_listeners));
	js_set(js, stdin_proto, get_toStringTag_sym_key(), js_mkstr(js, "ReadStream", 10));

	jsval_t stdin_obj = js_mkobj(js);
	js_set_proto(js, stdin_obj, stdin_proto);
	js_set(js, stdin_obj, "isTTY", stdin_is_tty() ? js_mktrue() : js_mkfalse());
	js_set(js, process_obj, "stdin", stdin_obj);

	jsval_t stdout_proto = js_mkobj(js);
	js_set(js, stdout_proto, "write", js_mkfun(js_stdout_write));
	js_set(js, stdout_proto, "on", js_mkfun(js_stdout_on));
	js_set(js, stdout_proto, "once", js_mkfun(js_stdout_once));
	js_set(js, stdout_proto, "removeAllListeners", js_mkfun(js_stdout_remove_all_listeners));
	js_set(js, stdout_proto, "getWindowSize", js_mkfun(js_stdout_get_window_size));
	js_set(js, stdout_proto, get_toStringTag_sym_key(), js_mkstr(js, "WriteStream", 11));

	jsval_t stdout_obj = js_mkobj(js);
	js_set_proto(js, stdout_obj, stdout_proto);
	js_set(js, stdout_obj, "isTTY", stdout_is_tty() ? js_mktrue() : js_mkfalse());
	js_set_getter_desc(js, stdout_obj, "rows", 4, js_mkfun(js_stdout_rows_getter), JS_DESC_E \| JS_DESC_C);
	js_set_getter_desc(js, stdout_obj, "columns", 7, js_mkfun(js_stdout_columns_getter), JS_DESC_E \| JS_DESC_C);
	js_set(js, process_obj, "stdout", stdout_obj);

	jsval_t stderr_proto = js_mkobj(js);
	js_set(js, stderr_proto, "write", js_mkfun(js_stderr_write));
	js_set(js, stderr_proto, "on", js_mkfun(js_stderr_on));
	js_set(js, stderr_proto, "once", js_mkfun(js_stderr_once));
	js_set(js, stderr_proto, "removeAllListeners", js_mkfun(js_stderr_remove_all_listeners));
	js_set(js, stderr_proto, get_toStringTag_sym_key(), js_mkstr(js, "WriteStream", 11));

	jsval_t stderr_obj = js_mkobj(js);
	js_set_proto(js, stderr_obj, stderr_proto);
	js_set(js, stderr_obj, "isTTY", stderr_is_tty() ? js_mktrue() : js_mkfalse());
	js_set(js, process_obj, "stderr", stderr_obj);

	js_set(js, global, "process", process_obj);
	}

	#define GC_FWD_EVENTS(events) do { \
	ProcessEventType evt, tmp; \
	HASH_ITER(hh, events, evt, tmp) { \
	for (int i = 0; i < evt->listener_count; i++) \
	evt->listeners[i].listener = fwd_val(ctx, evt->listeners[i].listener); \
	} \
	} while(0)

	void process_gc_update_roots(GC_FWD_ARGS) {
	GC_FWD_EVENTS(process_events);
	GC_FWD_EVENTS(stdin_events);
	GC_FWD_EVENTS(stdout_events);
	GC_FWD_EVENTS(stderr_events);
	}

	#undef GC_FWD_EVENTS

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