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[metaconfig.git] / dist / U / d_times.U
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1?RCS: $Id: d_times.U 1 2006-08-24 12:32:52Z rmanfredi $
2?RCS:
3?RCS: Copyright (c) 1991-1997, 2004-2006, Raphael Manfredi
4?RCS:
5?RCS: You may redistribute only under the terms of the Artistic Licence,
6?RCS: as specified in the README file that comes with the distribution.
7?RCS: You may reuse parts of this distribution only within the terms of
8?RCS: that same Artistic Licence; a copy of which may be found at the root
9?RCS: of the source tree for dist 4.0.
10?RCS:
11?RCS: $Log: d_times.U,v $
12?RCS: Revision 3.0.1.2 1995/07/25 14:07:50 ram
13?RCS: patch56: typo fix, sytem -> system
14?RCS:
15?RCS: Revision 3.0.1.1 1994/08/29 16:14:00 ram
16?RCS: patch32: now uses new Typedef unit to compute type information
17?RCS:
18?RCS: Revision 3.0 1993/08/18 12:07:46 ram
19?RCS: Baseline for dist 3.0 netwide release.
20?RCS:
21?X:
22?X: What is the type returned by times() ?
23?X:
24?X: Force inclusion of <sys/types.h>
25?X:INC: i_systypes
26?MAKE:d_times clocktype: Csym Myread Typedef i_systimes
27?MAKE: -pick add $@ %<
28?S:d_times:
29?S: This variable conditionally defines the HAS_TIMES symbol, which indicates
30?S: that the times() routine exists. The times() routine is normaly
31?S: provided on UNIX systems. You may have to include <sys/times.h>.
32?S:.
33?S:clocktype:
34?S: This variable holds the type returned by times(). It can be long,
35?S: or clock_t on BSD sites (in which case <sys/types.h> should be
36?S: included).
37?S:.
38?C:HAS_TIMES (TIMES):
39?C: This symbol, if defined, indicates that the times() routine exists.
40?C: Note that this became obsolete on some systems (SUNOS), which now
41?C: use getrusage(). It may be necessary to include <sys/times.h>.
42?C:.
43?C:Clock_t (CLOCKTYPE):
44?C: This symbol holds the type returned by times(). It can be long,
45?C: or clock_t on BSD sites (in which case <sys/types.h> should be
46?C: included).
47?C:.
48?H:#$d_times HAS_TIMES /**/
49?H:#define Clock_t $clocktype /* Clock time */
50?H:.
51?T:val inc
52: see if times exists
53echo " "
54if set times val -f d_times; eval $csym; $val; then
55 echo 'times() found.' >&4
56 d_times="$define"
57 inc=''
58 case "$i_systimes" in
59 "$define") inc='sys/times.h';;
60 esac
61 set clock_t clocktype long stdio.h sys/types.h $inc
62 eval $typedef
63 dflt="$clocktype"
64 echo " "
65 rp="What type is returned by times() on this system?"
66 . ./myread
67 clocktype="$ans"
68else
69 echo 'times() NOT found, hope that will do.' >&4
70 d_times="$undef"
71?X: The following is needed for typedef (won't like an empty variable)
72 clocktype='int'
73fi
74