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Cygwin: timerfd/signalfd: return EINVAL from write

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Linux returns EINVAL, "fd is attached to an object which is unsuitable
for writing".  If we don't handle write locally, write returns EBADF.

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
This commit is contained in:
Corinna Vinschen
2019-01-17 11:51:11 +01:00
parent 173e067a31
commit 7f983079d4
3 changed files with 21 additions and 6 deletions
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17
winsup/cygwin/fhandler_timerfd.cc
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@ -44,12 +44,10 @@ fhandler_timerfd::timerfd (clockid_t clock_id, int flags)
set_nonblocking (true);
if (flags & TFD_CLOEXEC)
set_close_on_exec (true);
if (get_unique_id () == 0)
{
nohandle (true);
set_unique_id ();
set_ino (get_unique_id ());
}
nohandle (true);
set_unique_id ();
set_ino (get_unique_id ());
set_flags (O_RDWR | O_BINARY);
return 0;
}
@ -125,6 +123,13 @@ fhandler_timerfd::read (void *ptr, size_t& len)
return;
}
ssize_t __stdcall
fhandler_timerfd::write (const void *, size_t)
{
set_errno (EINVAL);
return -1;
}
HANDLE
fhandler_timerfd::get_timerfd_handle ()
{