1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
|
/*
* POSIX library for Lua 5.1, 5.2, 5.3 & 5.4.
* Copyright (C) 2013-2025 Gary V. Vaughan
* Copyright (C) 2010-2013 Reuben Thomas <rrt@sc3d.org>
* Copyright (C) 2008-2010 Natanael Copa <natanael.copa@gmail.com>
* Clean up and bug fixes by Leo Razoumov <slonik.az@gmail.com> 2006-10-11
* Luiz Henrique de Figueiredo <lhf@tecgraf.puc-rio.br> 07 Apr 2006 23:17:49
* Based on original by Claudio Terra for Lua 3.x.
* With contributions by Roberto Ierusalimschy.
* With documentation from Steve Donovan 2012
*/
/***
Get and Set System Date and Time.
@module posix.sys.time
*/
#include <sys/time.h>
#include "_helpers.c"
/***
Time value.
@table PosixTimeval
@int tv_sec seconds elapsed
@int tv_usec remainder in microseconds
@see posix.time.PosixTimespec
*/
static int
pushtimeval(lua_State *L, struct timeval *tv)
{
if (!tv)
return lua_pushnil(L), 1;
lua_createtable(L, 0, 2);
setintegerfield(tv, tv_sec);
setintegerfield(tv, tv_usec);
settypemetatable("PosixTimeval");
return 1;
}
/***
Get time of day.
@function gettimeofday
@treturn[1] PosixTimeval time elapsed since *epoch*, if successful
@return[2] nil
@treturn[2] string error message
@treturn[2] int errnum
@see gettimeofday(2)
*/
static int
Pgettimeofday(lua_State *L)
{
struct timeval tv;
checknargs(L, 0);
if (gettimeofday(&tv, NULL) == -1)
return pusherror(L, "gettimeofday");
return pushtimeval(L, &tv);
}
static const luaL_Reg posix_sys_time_fns[] =
{
LPOSIX_FUNC( Pgettimeofday ),
{NULL, NULL}
};
LUALIB_API int
luaopen_posix_sys_time(lua_State *L)
{
luaL_newlib(L, posix_sys_time_fns);
lua_pushstring(L, LPOSIX_VERSION_STRING("sys.time"));
lua_setfield(L, -2, "version");
return 1;
}
|
