242 lines
6.3 KiB
Perl
Executable File
242 lines
6.3 KiB
Perl
Executable File
#!/usr/bin/perl -w
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# Create threads safe wrappers around X11 calls.
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#
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# Copyright 1998 Kristian Nielsen.
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#
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# This library is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Lesser General Public
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# License as published by the Free Software Foundation; either
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# version 2.1 of the License, or (at your option) any later version.
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#
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# This library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public
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# License along with this library; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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#
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# FIXME: This does not do full C prototype parsing, but relies on
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# knowledge on how the X11 include files are formatted. It will
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# probably need to be modified for new include files. It also fails
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# for certain prototypes (notably those with function pointer
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# arguments or results), so these must be added manually. And it
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# relies on a fixed location of X11 includes (/usr/X11R6/include/).
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#
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# This program expects to be run from Wine's main directory.
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$X11_include_dir = "/usr/X11/include";
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$outdir = "tsx11";
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$wantfile = "$outdir/X11_calls";
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@dolist = ("Xlib");
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# First read list of wanted function names.
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open(WANT, $wantfile) || die "open";
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while(<WANT>) {
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next if /^\s*\#/; # Skip comment lines.
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next if /^\s*$/; # Skip empty lines.
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if(/^\s*([a-zA-Z0-9_]+)\s*$/) {
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$want{$1} = 1;
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} else {
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die "syntax error in file '$wantfile', in line '$_'";
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}
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}
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close(WANT);
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foreach $name (@dolist) {
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$ucname = uc $name;
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$lcname = lc $name;
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$outfile = "/ts_$lcname";
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open(OUTC, ">$outdir/$outfile.c") || die "open";
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open(OUTH, ">include/$outfile.h") || die "open";
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$x11_incl = "";
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$extensions_dir = "";
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$pre_file = "#ifdef HAVE_X11_XLIB_H\n";
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$post_file = "#endif /* defined(HAVE_X11_XLIB_H) */\n";
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$inc_name = $name;
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print OUTH <<END;
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/*
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* Thread safe wrappers around $name calls.
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* Always include this file instead of <X11/$name.h>.
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* This file was generated automatically by tools/make_X11wrappers
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* DO NOT EDIT!
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*/
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#ifndef __WINE_TS_$ucname\_H
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#define __WINE_TS_$ucname\_H
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#ifndef __WINE_CONFIG_H
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# error You must include config.h to use this header
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#endif
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$pre_file
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$x11_incl#include <X11/$extensions_dir$inc_name.h>
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extern void (*wine_tsx11_lock)(void);
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extern void (*wine_tsx11_unlock)(void);
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END
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print OUTC <<END;
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/*
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* Thread safe wrappers around $name calls.
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* This file was generated automatically by tools/make_X11wrappers
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* DO NOT EDIT!
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*/
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#include "config.h"
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$pre_file
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$x11_incl#include <X11/$extensions_dir$inc_name.h>
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#include "ts_$lcname.h"
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END
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open(IN,
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"echo \"$x11_incl#include <X11/$extensions_dir$name.h>\" | " .
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"gcc -L$X11_include_dir -DNeedFunctionPrototypes -E - | " .
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"grep -v '^[ \t]*\$)' |"
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) || die "open";
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PROTO: while(<IN>) {
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if(m'extern\s+([^()]*)\b([a-zA-Z0-9_]+)\s*\(') {
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$result_type = $1;
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$fn_name = $2;
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$result_type = "int" if $result_type =~ /^\s*$/;
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@args = ();
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while(<IN>) {
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last if m'\)\s*;';
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# Give up on vararg functions and function pointer args.
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if(m'\.\.\.|\(\*\)') {
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undef $fn_name;
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last;
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}
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if(m'\s*([^,]*[^, \t])\s*(,?\n)') {
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$args[$#args+1] = $1;
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if ($1 =~ /char\s*\[/) { # small hack for XQueryKeymap
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$args[$#args] = "char*";
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}
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}
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}
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# Skip if vararg, function pointer arg, or not needed.
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next unless $fn_name;
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next unless $want{$fn_name} && $want{$fn_name} == 1;
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# Special case for no arguments (which is specified as "void").
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if($#args == 0 && $args[0] eq "void") {
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@args = ();
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}
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$proto = "";
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$formals = "";
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$actuals = "";
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for($i = 0; $i <= $#args; $i++) {
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$comma = $i < $#args ? ", " : "";
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$proto .= "$args[$i]$comma";
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$formals .= "$args[$i] a$i$comma";
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$actuals .= "a$i$comma";
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}
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$proto = $formals = "void" if $#args == -1;
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output_fn($fn_name, $result_type, $proto, $formals, $actuals);
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}
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}
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print OUTH <<END;
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$post_file
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#endif /* __WINE_TS_$ucname\_H */
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END
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print OUTC <<END;
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$post_file
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END
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}
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foreach $i (keys %want) {
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if($want{$i} == 1) {
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print "Unresolved: $i\n";
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}
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}
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sub output_fn {
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# Example call:
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# output_fn("main", "int", "int, char **", "int a0, char **a1", "a0, a1")
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#
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my ($fn_name, $result_type, $protos, $formals, $actuals) = @_;
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return raw_output_fn($fn_name,
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$result_type =~ /^\s*void\s*$/ ? "" : "$result_type r",
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"$result_type TS$fn_name($protos)",
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"$result_type TS$fn_name($formals)",
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$actuals);
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}
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sub output_fn_short {
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# Example call:
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# output_fn_sort("Bool", "XDGAQueryExtension", "Display *", "int *", "int *");
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#
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my ($result_type, $fn_name, @args) = @_;
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my ($i, $proto, $formals, $actuals) = (0,
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"$result_type TS$fn_name(",
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"$result_type TS$fn_name(",
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"");
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while ($val = shift @args) {
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$proto = $proto . $val;
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$formals = $formals . $val . " a$i";
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$actuals = $actuals . " a$i";
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$i++;
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if (@args) {
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$proto = $proto . ", ";
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$formals = $formals . ", ";
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$actuals = $actuals . ", ";
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}
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}
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$proto = $proto . ")";
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$formals = $formals . ")";
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raw_output_fn($fn_name,
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$result_type =~ /^\s*void\s*$/ ? "" : "$result_type r",
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$proto,
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$formals,
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$actuals);
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}
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sub raw_output_fn {
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# Example call:
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# output_fn("main", "int r", "int main(int, char **)", "int main(int a0, char **a1)", "a0, a1")
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#
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my ($fn_name, $resultdecl, $protodecl, $defdecl, $actuals) = @_;
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return undef unless $want{$fn_name} && $want{$fn_name} == 1;
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print OUTC "\n$defdecl\n";
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print OUTH "extern $protodecl;\n";
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# print OUTH "#define $fn_name TS$fn_name\n";
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print OUTC "{\n";
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print OUTC " $resultdecl;\n" if $resultdecl;
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print OUTC " wine_tsx11_lock();\n";
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print OUTC " ";
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print OUTC "r = " if $resultdecl;
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print OUTC "$fn_name($actuals);\n";
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print OUTC " wine_tsx11_unlock();\n";
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print OUTC " return r;\n" if $resultdecl;
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print OUTC "}\n";
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$want{$fn_name} = 2;
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return 1;
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}
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