diff options
Diffstat (limited to 'libdiskfs/conch-set.c')
-rw-r--r-- | libdiskfs/conch-set.c | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/libdiskfs/conch-set.c b/libdiskfs/conch-set.c new file mode 100644 index 00000000..4c58c071 --- /dev/null +++ b/libdiskfs/conch-set.c @@ -0,0 +1,52 @@ +/* + 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" + +/* 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. */ +error_t +ioserver_put_shared_data (void *arg) +{ + struct protid *cred = arg; + error_t error; + + if (!(error = catch_exception ())) + { + cred->mapped->append_mode = (cred->po->openstat & O_APPEND); + cred->mapped->eof_notify = 0; + cred->mapped->do_sigio = 0; + cred->mapped->use_file_size = 1; + cred->mapped->use_read_size = 0; + cred->mapped->seekable = 1; + cred->mapped->use_prenotify_size = 1; + cred->mapped->use_postnotify_size = 0; + cred->mapped->prenotify_size = cred->po->ip->i_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->ip->di->di_size; + cred->mapped->written = 0; + cred->mapped->accessed = 0; + + end_catch_exception (); + } + return error; +} |