File

util-src/time.c @ 12983:4533c9b906b0

util.format: Tweak serialization of %q formatted entries Improves serialization of function references especially, the built-in default handling of that in util.serialization is not the most informative. Now, along with the function metatable from util.startup, the actual function can be found by filename and line number.
author Kim Alvefur <zash@zash.se>
date Sun, 26 Mar 2023 00:18:05 +0100
parent 12976:a187600ec7d6
line wrap: on
line source

#ifndef _POSIX_C_SOURCE
#define _POSIX_C_SOURCE 200809L
#endif

#include <time.h>
#include <lua.h>

static lua_Number tv2number(struct timespec *tv) {
	return tv->tv_sec + tv->tv_nsec * 1e-9;
}

static int lc_time_realtime(lua_State *L) {
	struct timespec t;
	clock_gettime(CLOCK_REALTIME, &t);
	lua_pushnumber(L, tv2number(&t));
	return 1;
}

static int lc_time_monotonic(lua_State *L) {
	struct timespec t;
	clock_gettime(CLOCK_MONOTONIC, &t);
	lua_pushnumber(L, tv2number(&t));
	return 1;
}

int luaopen_prosody_util_time(lua_State *L) {
	lua_createtable(L, 0, 2);
	{
		lua_pushcfunction(L, lc_time_realtime);
		lua_setfield(L, -2, "now");
		lua_pushcfunction(L, lc_time_monotonic);
		lua_setfield(L, -2, "monotonic");
	}
	return 1;
}
int luaopen_util_time(lua_State *L) {
	return luaopen_prosody_util_time(L);
}