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Corinna Vinschen wrote: Ok, I don't know how that's implemented in cygipc so I think it might be necessary to mention that:
The implementation of the MSG, SEM and SHM functions in Cygwin are so that if the functions are not available (be it that CYGWIN doesn't contain the word "server" or Cygserver isn't running) not only set errno to ENOSYS, but they also raise a SIGSYS.
So it's crucial that your code handles that signal. At least, it should ignore it (signal(SISYS, SIG_IGN)).
Harold
for the Xserver that means, that the shm initialisation code has to be changed to the detecting code used by FreeBSD and friends (CheckForShmSyscall() in Xserver/Xext/shm.c and Xserver/Xext/xf86bigfont.c)
The cygipc-related stuff could then be removed in both files.
<http://cvsweb.xfree86.org/cvsweb/xc/programs/Xserver/Xext/shm.c\ ?rev=3.39&content-type=text/x-cvsweb-markup>
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