1/*
2 * Copyright (c) 2001 by The XFree86 Project, Inc.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17 * THE XFREE86 PROJECT BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
18 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
19 * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20 * SOFTWARE.
21 *
22 * Except as contained in this notice, the name of the XFree86 Project shall
23 * not be used in advertising or otherwise to promote the sale, use or other
24 * dealings in this Software without prior written authorization from the
25 * XFree86 Project.
26 *
27 * Author: Paulo César Pereira de Andrade
28 */
29
30/* $XFree86: xc/programs/xedit/lisp/time.c,v 1.9tsi Exp $ */
31
32#include "lisp/time.h"
33#include "lisp/bytecode.h"
34
35/*
36 * Implementation
37*/
38LispObj *
39Lisp_Time(LispBuiltin *builtin)
40/*
41 time form
42 */
43{
44    struct itimerval real, virt, prof;
45    unsigned long count;
46    long sec, usec;
47    LispObj *result;
48#define MONTH	60 * 60 * 31
49
50    LispObj *form;
51
52    form = ARGUMENT(0);
53
54    real.it_value.tv_sec =
55	virt.it_value.tv_sec =
56	prof.it_value.tv_sec =
57	real.it_interval.tv_sec =
58	virt.it_interval.tv_sec =
59	prof.it_interval.tv_sec = MONTH;
60    real.it_value.tv_usec =
61	virt.it_value.tv_usec =
62	prof.it_value.tv_usec =
63	real.it_interval.tv_usec =
64	virt.it_interval.tv_usec =
65	prof.it_interval.tv_usec = 0;
66
67    setitimer(ITIMER_REAL, &real, NULL);
68    setitimer(ITIMER_VIRTUAL, &virt, NULL);
69    setitimer(ITIMER_PROF, &prof, NULL);
70
71    getitimer(ITIMER_REAL, &real);
72    getitimer(ITIMER_VIRTUAL, &virt);
73    getitimer(ITIMER_PROF, &prof);
74
75    lisp__data.gc.gctime = 0;
76    lisp__data.gc.timebits = 1;
77
78    count = lisp__data.gc.count;
79
80#if 0
81    form = CONS(form, NIL);
82    COD = CONS(form, COD);
83    result = LispExecuteBytecode(LispCompileForm(form));
84#else
85    result = EVAL(form);
86#endif
87
88    getitimer(ITIMER_REAL, &real);
89    getitimer(ITIMER_VIRTUAL, &virt);
90    getitimer(ITIMER_PROF, &prof);
91
92    sec = real.it_interval.tv_sec - real.it_value.tv_sec;
93    usec = real.it_interval.tv_usec - real.it_value.tv_usec;
94    if (usec < 0) {
95	--sec;
96	usec += 1000000;
97    }
98    LispMessage("Real time   : %g sec", sec + usec / 1000000.0);
99
100    sec = virt.it_interval.tv_sec - virt.it_value.tv_sec;
101    usec = virt.it_interval.tv_usec - virt.it_value.tv_usec + 10000;
102    if (usec < 0) {
103	--sec;
104	usec += 1000000;
105    }
106    LispMessage("Virtual time: %g sec", sec + usec / 1000000.0);
107
108    sec = prof.it_interval.tv_sec - prof.it_value.tv_sec;
109    usec = prof.it_interval.tv_usec - prof.it_value.tv_usec + 10000;
110    if (usec < 0) {
111	--sec;
112	usec += 1000000;
113    }
114    LispMessage("Profile time: %g sec", sec + usec / 1000000.0);
115
116    real.it_value.tv_sec =
117	virt.it_value.tv_sec =
118	prof.it_value.tv_sec =
119	real.it_interval.tv_sec =
120	virt.it_interval.tv_sec =
121	prof.it_interval.tv_sec =
122	real.it_value.tv_usec =
123	virt.it_value.tv_usec =
124	prof.it_value.tv_usec =
125	real.it_interval.tv_usec =
126	virt.it_interval.tv_usec =
127	prof.it_interval.tv_usec = 0;
128
129    setitimer(ITIMER_REAL, &real, NULL);
130    setitimer(ITIMER_VIRTUAL, &virt, NULL);
131    setitimer(ITIMER_PROF, &prof, NULL);
132
133    LispMessage("GC: %ld times, %g sec",
134		lisp__data.gc.count - count, lisp__data.gc.gctime / 1000000.0);
135    lisp__data.gc.timebits = 0;
136
137    return (result);
138}
139