2008-07-25T23:19:42+09:00

Leopard + GNU screen 問題つづき。

http://www.opensource.apple.com/darwinsource/10.5.4/screen-12/patches/ の screen.c.diff ってのが問題の patch です。ここらへんの patch があたった screen を make すると

% wget http://www.opensource.apple.com/darwinsource/tarballs/other/screen-12.tar.gz
% tar xf screen-12.tar.gz
% cd screen-12
% ls
Makefile                screen/                 screen.plist
patches/                screen-4.0.3.tar.gz
% make
Configuring screen...
this is screen version 4.0.3
checking for gcc... gcc
...
Building screen...
CPP="gcc -E " srcdir=/Users/kzys/screen-12/screen sh /Users/kzys/screen-12/screen/osdef.sh
AWK=awk srcdir=/Users/kzys/screen-12/screen sh /Users/kzys/screen-12/screen/comm.sh
AWK=awk srcdir=/Users/kzys/screen-12/screen sh /Users/kzys/screen-12/screen/term.sh
gcc -c -I. -I/Users/kzys/screen-12/screen    -arch ppc -arch ppc64 -arch i386 -arch x86_64 -g -Os -pipe -mdynamic-no-pic -DRUN_LOGIN -fno-altivec  /Users/kzys/screen-12/screen/sc\
reen.c
/Users/kzys/screen-12/screen/screen.c:106:24: error: vproc_priv.h: No such file or directory
/Users/kzys/screen-12/screen/screen.c:106:24: error: vproc_priv.h: No such file or directory
/Users/kzys/screen-12/screen/screen.c:106:24: error: vproc_priv.h: No such file or directory
/Users/kzys/screen-12/screen/screen.c: In function 'main':
...
lipo: can't open input file: /private/tmp/ccag3ag8.out (No such file or directory)
make[1]: *** [screen.o] Error 1
make: *** [build] Error 2
%

こけて、vproc_priv.h は launchd-258.12.tar.gz にはいっている。launchd は ADC にはいってないとダウンロードできません。

screen.c.diff が使っている _vprocmgr_move_subset_to_user を呼び出すちいさいプログラムは書けました。

#include <stdio.h>
#include <unistd.h>

#include "libvproc_public.h"
#include "libvproc_private.h"

#import <Cocoa/Cocoa.h>

int main(int argc, char* argv[])
{
    NSAutoreleasePool* pool = [[NSAutoreleasePool alloc] init];

    uid_t user = geteuid() ? geteuid() : getuid();
    char* session_type = argv[1];

    if (_vprocmgr_move_subset_to_user(user, session_type) == NULL) {
        NSLog(@"_vprocmgr_move_subset_to_user(%d, %s)\n",
              user, session_type);
    } else {
        return 1;
    }

    NSLog(@"pasteboard = %@", [NSPasteboard generalPasteboard]);
    [pool release];

    return 0;
}

これに Types of launchd agent の Session Type を与えると

% cc -I ~/launchd-258.12/launchd/src vprocmgr.m -framework Cocoa                      
% ./a.out Aqua      
2008-07-25 23:09:58.377 a.out[46550:10b] _vprocmgr_move_subset_to_user(501, Aqua)
2008-07-25 23:09:58.379 a.out[46550:10b] pasteboard = <NSPasteboard: 0x10afe0>
% ./a.out StandardIO
2008-07-25 23:10:01.393 a.out[46554:10b] _vprocmgr_move_subset_to_user(501, StandardIO)
2008-07-25 23:10:01.395 a.out[46554:10b] pasteboard = <NSPasteboard: 0x10ab30>
% ./a.out Background
2008-07-25 23:10:05.448 a.out[46558:10b] _vprocmgr_move_subset_to_user(501, Background)
2008-07-25 23:10:05.450 a.out[46558:10b] pasteboard = (null)
% ./a.out LoginWindow
2008-07-25 23:10:12.608 a.out[46562:10b] _vprocmgr_move_subset_to_user(501, LoginWindow)
2008-07-25 23:10:12.610 a.out[46562:10b] pasteboard = <NSPasteboard: 0x10ab40>
% 

Background にするとペーストボードにアクセスできないのは再現できる。