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authorMichael I. Bushnell <mib@gnu.org>1994-07-13 19:12:08 +0000
committerMichael I. Bushnell <mib@gnu.org>1994-07-13 19:12:08 +0000
commit23a1aea2fd76cce7cde1cfaf166b261d34d1c179 (patch)
tree1a1f6d8d153cbb58b6de1074fb3aa93a20c01ac5
parent77b7040ca5cc0c7fc5e73496c666dddd8ea15542 (diff)
Initial revision
-rw-r--r--libdiskfs/io-sigio.c31
1 files changed, 31 insertions, 0 deletions
diff --git a/libdiskfs/io-sigio.c b/libdiskfs/io-sigio.c
new file mode 100644
index 00000000..b99596ca
--- /dev/null
+++ b/libdiskfs/io-sigio.c
@@ -0,0 +1,31 @@
+/*
+ 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"
+#include "io_S.h"
+
+kern_return_t
+diskfs_S_io_sigio (struct protid *cred)
+{
+ if (!cred)
+ return EOPNOTSUPP;
+
+ mutex_lock (&cred->po->np->lock);
+ if (cred->po->openstat & O_FSYNC)
+ diskfs_update_file (1);
+ mutex_unlock (&cred->po->np->lock);
+}