From b0e0a1d4878fe682389f2a5097b91814896b318d Mon Sep 17 00:00:00 2001 From: Kim Alvefur Date: Thu, 9 Mar 2017 04:34:28 +0100 Subject: util.time: Convert to C --- util-src/time.c | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) create mode 100644 util-src/time.c (limited to 'util-src/time.c') diff --git a/util-src/time.c b/util-src/time.c new file mode 100644 index 00000000..eed5bf0f --- /dev/null +++ b/util-src/time.c @@ -0,0 +1,24 @@ +#define _POSIX_C_SOURCE 199309L + +#include +#include + +lua_Number tv2number(struct timespec *tv) { + return tv->tv_sec + tv->tv_nsec * 1e-9; +} + +int lc_time_realtime(lua_State *L) { + struct timespec t; + clock_gettime(CLOCK_REALTIME, &t); + lua_pushnumber(L, tv2number(&t)); + return 1; +} + +int luaopen_util_time(lua_State *L) { + lua_createtable(L, 0, 2); + { + lua_pushcfunction(L, lc_time_realtime); + lua_setfield(L, -2, "now"); + } + return 1; +} -- cgit v1.2.3