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-rw-r--r--libdiskfs/io-select.c35
1 files changed, 35 insertions, 0 deletions
diff --git a/libdiskfs/io-select.c b/libdiskfs/io-select.c
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+/*
+ Copyright (C) 1994 Free Software Foundation
+
+ This program is free software; you can redistribute it and/or
+ modify it under the terms of the GNU General Public License as
+ published by the Free Software Foundation; either version 2, or (at
+ your option) any later version.
+
+ This program is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
+
+#include "priv.h"
+
+/* Implement io_select as described in <hurd/io.defs>. */
+error_t
+diskfs_S_io_select (struct protid *cred,
+ int type,
+ mach_port_t port,
+ int tag,
+ int *possible)
+{
+ if (!cred)
+ return EOPNOTSUPP;
+
+ /* Select is always possible */
+ mach_port_deallocate (mach_task_self (), port);
+ *possible = type;
+ return 0;
+}