diff options
Diffstat (limited to 'libc/misc/time/clock.c')
-rw-r--r-- | libc/misc/time/clock.c | 43 |
1 files changed, 0 insertions, 43 deletions
diff --git a/libc/misc/time/clock.c b/libc/misc/time/clock.c deleted file mode 100644 index 139d35868..000000000 --- a/libc/misc/time/clock.c +++ /dev/null @@ -1,43 +0,0 @@ -/* Copyright (C) 1991, 1992, 1996, 1999 Free Software Foundation, Inc. - This file is part of the GNU C Library. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Library General Public License as - published by the Free Software Foundation; either version 2 of the - License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Library General Public License for more details. - - You should have received a copy of the GNU Library General Public - License along with the GNU C Library; see the file COPYING.LIB. If not, - write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, - Boston, MA 02111-1307, USA. */ - -#include <time.h> -#include <unistd.h> -#include <sys/times.h> - -/* Return the time used by the program so far (user time + system time). */ -clock_t -clock (void) -{ - struct tms buf; - long clk_tck = CLK_TCK; - - /* We don't check for errors here. The only error the kernel - returns is EFAULT if the value cannot be written to the struct we - pass a pointer to. Otherwise the kernel returns an `unsigned - long' value which is the number of jiffies since system start. - But this number can be negative (when read as `long') when the - system is up for some time. Ignoring errors should therefore - have no negative impacts but solve the problem. */ - times (&buf); - - return - (clk_tck <= CLOCKS_PER_SEC) ? - ((unsigned long) buf.tms_utime + buf.tms_stime) * (CLOCKS_PER_SEC / clk_tck) : - ((unsigned long) buf.tms_utime + buf.tms_stime) / (clk_tck / CLOCKS_PER_SEC); -} |