diff options
Diffstat (limited to 'include/mach/default_pager_helper.defs')
| -rw-r--r-- | include/mach/default_pager_helper.defs | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/include/mach/default_pager_helper.defs b/include/mach/default_pager_helper.defs new file mode 100644 index 00000000..a8a9f78d --- /dev/null +++ b/include/mach/default_pager_helper.defs @@ -0,0 +1,53 @@ +/* + * Mach Operating System + * Copyright (c) 1992 Carnegie Mellon University + * All Rights Reserved. + * + * Permission to use, copy, modify and distribute this software and its + * documentation is hereby granted, provided that both the copyright + * notice and this permission notice appear in all copies of the + * software, derivative works or modified versions, and any portions + * thereof, and that both notices appear in supporting documentation. + * + * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" + * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR + * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. + * + * Carnegie Mellon requests users of this software to return to + * + * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU + * School of Computer Science + * Carnegie Mellon University + * Pittsburgh PA 15213-3890 + * + * any improvements or extensions that they make and grant Carnegie Mellon + * the rights to redistribute these changes. + */ + +subsystem dp_helper 888888; + +#include <mach/std_types.defs> +#include <mach/mach_types.defs> + +ServerPrefix do_; + +/* + * Message that the default pager sends to + * a fileserver who has registered itself + * with the default pager as a "paging helper" + * to notify that more paging spage is or + * is not needed. Same message to let the + * fileserver know it can (ask to) reclaim space. + * + * This message is only sent to a port that + * has been previously registered via + * default_pager_register_fileserver. + * The (optional) reply from the fileserver + * is a call to default_pager_paging_file. + */ + +simpleroutine dp_helper_paging_space( + dp_helper : mach_port_t; + space_shortage : boolean_t; + approx_amount : vm_size_t); + |