1#
2# CDDL HEADER START
3#
4# The contents of this file are subject to the terms of the
5# Common Development and Distribution License (the "License").
6# You may not use this file except in compliance with the License.
7#
8# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9# or http://www.opensolaris.org/os/licensing.
10# See the License for the specific language governing permissions
11# and limitations under the License.
12#
13# When distributing Covered Code, include this CDDL HEADER in each
14# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15# If applicable, add the following below this CDDL HEADER, with the
16# fields enclosed by brackets "[]" replaced with your own identifying
17# information: Portions Copyright [yyyy] [name of copyright owner]
18#
19# CDDL HEADER END
20#
21
22#
23# Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
24# Use is subject to license terms.
25#
26# ident	"%Z%%M%	%I%	%E% SMI"
27
28if [ $# != 1 ]; then
29	echo expected one argument: '<'dtrace-path'>'
30	exit 2
31fi
32
33dtrace=$1
34CFLAGS=
35
36doit()
37{
38	file=$1
39	ofile=$2
40	errfile=$3
41	cfile=${TMPDIR:-/tmp}/inc.$$.$file.c
42	cofile=${TMPDIR:-/tmp}/inc.$$.$file
43	cat > $cfile <<EOF
44#include <sys/$file>
45void
46main()
47{}
48EOF
49	if cc $CFLAGS -o $cofile $cfile >/dev/null 2>&1; then
50		$dtrace -xerrtags -C -s /dev/stdin \
51		    >/dev/null 2>$errfile <<EOF
52#include <sys/$file>
53BEGIN
54{
55	exit(0);
56}
57EOF
58		if [ $? -ne 0 ]; then
59			echo $inc failed: `cat $errfile | head -1` > $ofile
60		else
61			echo $inc succeeded > $ofile
62		fi
63		rm -f $errfile
64	fi
65
66	rm -f $cofile $cfile 2>/dev/null
67}
68
69concurrency=`psrinfo | wc -l`
70let concurrency=concurrency*4
71let i=0
72
73files=/usr/include/sys/*.h
74
75#
76# There are a few files in /usr/include/sys that are known to be bad -- usually
77# because they include static globals (!) or function bodies (!!) in the header
78# file.  Hopefully these remain sufficiently few that the O(#files * #badfiles)
79# algorithm, below, doesn't become a problem.  (And yes, writing scripts in
80# something other than ksh1888 would probably be a good idea.)  If this script
81# becomes a problem, kindly fix it by reducing the number of bad files!  (That
82# is, fix it by fixing the broken file, not the broken script.)
83#
84badfiles="ctype.h eri_msg.h ser_sync.h sbpro.h neti.h hook_event.h \
85    bootconf.h bootstat.h dtrace.h dumphdr.h exacct_impl.h fasttrap.h \
86    kobj.h kobj_impl.h ksyms.h lockstat.h smedia.h stat.h utsname.h"
87
88for inc in $files; do
89	file=`basename $inc`
90	for bad in $badfiles; do
91		if [ "$file" = "$bad" ]; then
92			continue 2 
93		fi
94	done
95
96	ofile=${TMPDIR:-/tmp}/inc.$file.$$.out
97	errfile=${TMPDIR:-/tmp}/inc.$file.$$.err
98	doit $file $ofile $errfile &
99	let i=i+1
100
101	if [ $i -eq $concurrency ]; then
102		#
103		# This isn't optimal -- it creates a highly fluctuating load
104		# as we wait for all work to complete -- but it's an easy
105		# way of parallelizing work.
106		#
107		wait
108		let i=0
109	fi
110done
111
112wait
113
114bigofile=${TMPDIR:-/tmp}/inc.$$.out
115
116for inc in $files; do
117	file=`basename $inc`
118	ofile=${TMPDIR:-/tmp}/inc.$file.$$.out
119
120	if [ -f $ofile ]; then
121		cat $ofile >> $bigofile
122		rm $ofile
123	fi
124done
125
126status=$(grep "failed:" $bigofile | wc -l)
127cat $bigofile
128rm -f $bigofile
129exit $status
130