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Diffstat (limited to 'include/mach/notify.h')
| -rw-r--r-- | include/mach/notify.h | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/include/mach/notify.h b/include/mach/notify.h new file mode 100644 index 0000000..9fa65ad --- /dev/null +++ b/include/mach/notify.h @@ -0,0 +1,122 @@ +/* + * Mach Operating System + * Copyright (c) 1991,1990,1989,1988,1987 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. + */ +/* + * File: mach/notify.h + * + * Kernel notification message definitions. + */ + +#ifndef _MACH_NOTIFY_H_ +#define _MACH_NOTIFY_H_ + +#ifdef MACH_KERNEL +#include <mach_ipc_compat.h> +#endif /* MACH_KERNEL */ + +#include <mach/port.h> +#include <mach/message.h> + +/* + * An alternative specification of the notification interface + * may be found in mach/notify.defs. + */ + +#define MACH_NOTIFY_FIRST 0100 +#define MACH_NOTIFY_PORT_DELETED (MACH_NOTIFY_FIRST + 001 ) + /* A send or send-once right was deleted. */ +#define MACH_NOTIFY_MSG_ACCEPTED (MACH_NOTIFY_FIRST + 002) + /* A MACH_SEND_NOTIFY msg was accepted */ +#define MACH_NOTIFY_PORT_DESTROYED (MACH_NOTIFY_FIRST + 005) + /* A receive right was (would have been) deallocated */ +#define MACH_NOTIFY_NO_SENDERS (MACH_NOTIFY_FIRST + 006) + /* Receive right has no extant send rights */ +#define MACH_NOTIFY_SEND_ONCE (MACH_NOTIFY_FIRST + 007) + /* An extant send-once right died */ +#define MACH_NOTIFY_DEAD_NAME (MACH_NOTIFY_FIRST + 010) + /* Send or send-once right died, leaving a dead-name */ +#define MACH_NOTIFY_LAST (MACH_NOTIFY_FIRST + 015) + +typedef struct { + mach_msg_header_t not_header; + mach_msg_type_t not_type; /* MACH_MSG_TYPE_PORT_NAME */ + mach_port_t not_port; +} mach_port_deleted_notification_t; + +typedef struct { + mach_msg_header_t not_header; + mach_msg_type_t not_type; /* MACH_MSG_TYPE_PORT_NAME */ + mach_port_t not_port; +} mach_msg_accepted_notification_t; + +typedef struct { + mach_msg_header_t not_header; + mach_msg_type_t not_type; /* MACH_MSG_TYPE_PORT_RECEIVE */ + mach_port_t not_port; +} mach_port_destroyed_notification_t; + +typedef struct { + mach_msg_header_t not_header; + mach_msg_type_t not_type; /* MACH_MSG_TYPE_INTEGER_32 */ + unsigned int not_count; +} mach_no_senders_notification_t; + +typedef struct { + mach_msg_header_t not_header; +} mach_send_once_notification_t; + +typedef struct { + mach_msg_header_t not_header; + mach_msg_type_t not_type; /* MACH_MSG_TYPE_PORT_NAME */ + mach_port_t not_port; +} mach_dead_name_notification_t; + + +/* Definitions for the old IPC interface. */ + +#if MACH_IPC_COMPAT + +/* + * Notifications sent upon interesting system events. + */ + +#define NOTIFY_FIRST 0100 +#define NOTIFY_PORT_DELETED ( NOTIFY_FIRST + 001 ) +#define NOTIFY_MSG_ACCEPTED ( NOTIFY_FIRST + 002 ) +#define NOTIFY_OWNERSHIP_RIGHTS ( NOTIFY_FIRST + 003 ) +#define NOTIFY_RECEIVE_RIGHTS ( NOTIFY_FIRST + 004 ) +#define NOTIFY_PORT_DESTROYED ( NOTIFY_FIRST + 005 ) +#define NOTIFY_NO_MORE_SENDERS ( NOTIFY_FIRST + 006 ) +#define NOTIFY_LAST ( NOTIFY_FIRST + 015 ) + +typedef struct { + msg_header_t notify_header; + msg_type_t notify_type; + port_t notify_port; +} notification_t; + +#endif /* MACH_IPC_COMPAT */ + +#endif /* _MACH_NOTIFY_H_ */ |