diff options
Diffstat (limited to 'usr/src/lib/libbc/libc/gen/common/clock.c')
| -rw-r--r-- | usr/src/lib/libbc/libc/gen/common/clock.c | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/usr/src/lib/libbc/libc/gen/common/clock.c b/usr/src/lib/libbc/libc/gen/common/clock.c new file mode 100644 index 0000000000..9045962263 --- /dev/null +++ b/usr/src/lib/libbc/libc/gen/common/clock.c @@ -0,0 +1,52 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License, Version 1.0 only + * (the "License"). You may not use this file except in compliance + * with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright 1987 Sun Microsystems, Inc. All rights reserved. + * Use is subject to license terms. + */ + +/* Copyright (c) 1984 AT&T */ +/* All Rights Reserved */ + +#pragma ident "%Z%%M% %I% %E% SMI" /* from S5R2 1.1 */ + +/*LINTLIBRARY*/ + +#include <sys/types.h> +#include <sys/times.h> +#include <sys/param.h> /* for HZ (clock frequency in Hz) */ +#define TIMES(B) (B.tms_utime+B.tms_stime+B.tms_cutime+B.tms_cstime) + +extern long times(); +static long first; + +long +clock() +{ + struct tms buffer; + + if (times(&buffer) == -1L) + return (0L); + if (first == 0L) + first = TIMES(buffer); + return ((TIMES(buffer) - first) * (1000000L/HZ)); +} |