1 files changed, 49 insertions, 0 deletions
diff --git a/libdiskfs/conch-set.c b/libdiskfs/conch-set.c
new file mode 100644
index 00000000..86d3905d
--- /dev/null
+++ b/libdiskfs/conch-set.c
@@ -0,0 +1,49 @@
+/* 
+   Copyright (C) 1994, 1996 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"
+#include <hurd/iohelp.h>
+#include <fcntl.h>
+
+/* Write current values into the shared page.  Callers must have the
+   share lock on the shared page, as well as the inode toplock.
+   This is called by the conch management facilities of libioserver
+   as well as by us. */
+void
+iohelp_put_shared_data (void *arg)
+{
+  struct protid *cred = arg;
+  
+  cred->mapped->append_mode = (cred->po->openstat & O_APPEND);
+  cred->mapped->eof_notify = 0;
+  cred->mapped->do_sigio = (cred->po->openstat & O_FSYNC);
+  cred->mapped->use_file_size = 1;
+  cred->mapped->use_read_size = 0;
+  cred->mapped->optimal_transfer_size = cred->po->np->dn_stat.st_blksize;
+  cred->mapped->seekable = 1;
+  cred->mapped->use_prenotify_size = 1;
+  cred->mapped->use_postnotify_size = 0;
+  cred->mapped->use_readnotify_size = 0;
+  cred->mapped->prenotify_size = cred->po->np->allocsize;
+      
+  cred->mapped->xx_file_pointer = cred->po->filepointer;
+  cred->mapped->rd_file_pointer = -1;
+  cred->mapped->wr_file_pointer = -1;
+  cred->mapped->file_size = cred->po->np->dn_stat.st_size;
+  cred->mapped->written = 0;
+  cred->mapped->accessed = 0;
+}