[ANNOUNCEMENT] TEST RELEASE: Cygwin 2.0.0-5

Jon TURNEY jon.turney@dronecode.org.uk
Fri Apr 17 11:29:00 GMT 2015


On 16/04/2015 17:21, Corinna Vinschen wrote:
> Btw., it would be nice to know why XWin tries to chown a file.
> Jon?

This seems to be in trans_mkdir() in libxtrans [1], which tries to make 
sure that /tmp/.X11-unix (the directory in which the server's 
unix-domain sockets are created) is owned by uid 0, gid 0.

[1] http://cgit.freedesktop.org/xorg/lib/libxtrans/tree/Xtransutil.c#n591

> $ gdb XWin
> [...]
> Reading symbols from XWin...Reading symbols from /usr/lib/debug//usr/bin/XWin.exe.dbg...done.
> done.
> (gdb) b fchown
> Breakpoint 1 at 0x10057aa80
> (gdb) r
> Starting program: /usr/bin/XWin
> Breakpoint 1, 0x000000010057aa80 in fchown ()
> (gdb) bt
> #0  0x000000010057aa80 in fchown ()
> #1  0x0000000100573bac in trans_mkdir (mode=1023, path=0x1005b47c8 <__func__.16196+2499> "/tmp/.X11-unix") at /usr/include/X11/Xtrans/Xtransutil.c:591
> [...]


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