new function "clock"

This commit is contained in:
Roberto Ierusalimschy 1998-05-20 19:21:35 -03:00
parent 054e0b888a
commit abc6eac404
2 changed files with 15 additions and 4 deletions

View File

@ -1,5 +1,5 @@
/*
** $Id: liolib.c,v 1.16 1998/03/06 18:47:42 roberto Exp roberto $
** $Id: liolib.c,v 1.17 1998/03/24 20:14:25 roberto Exp roberto $
** Standard I/O (and system) library
** See Copyright Notice in lua.h
*/
@ -282,6 +282,11 @@ static void io_getenv (void)
}
static void io_clock (void) {
lua_pushnumber(((double)clock())/CLOCKS_PER_SEC);
}
static void io_date (void)
{
time_t t;
@ -378,6 +383,7 @@ static struct luaL_reg iolib[] = {
{"tmpname", io_tmpname},
{"getenv", io_getenv},
{"date", io_date},
{"clock", io_clock},
{"exit", io_exit},
{"debug", io_debug},
{"print_stack", errorfb}

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@ -1,4 +1,4 @@
% $Id: manual.tex,v 1.8 1998/04/02 16:09:16 roberto Exp roberto $
% $Id: manual.tex,v 1.9 1998/05/18 22:26:03 roberto Exp roberto $
\documentstyle[fullpage,11pt,bnf]{article}
@ -38,7 +38,7 @@ Waldemar Celes
\tecgraf\ --- Computer Science Department --- PUC-Rio
}
\date{\small \verb$Date: 1998/04/02 16:09:16 $}
\date{\small \verb$Date: 1998/05/18 22:26:03 $}
\maketitle
@ -2600,7 +2600,12 @@ formatted according to the given string \verb|format|,
following the same rules of the ANSI C function \verb|strftime|.
When called without arguments,
it returns a reasonable date and time representation that depends on
the host system.
the host system and the locale.
\subsubsection*{\ff \T{clock ()}}\Deffunc{clock}
This function returns an approximation of the amount of CPU time
used by the program, in seconds.
\subsubsection*{\ff \T{exit ([code])}}\Deffunc{exit}