mailbox0.h
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/* GNU mailutils - a suite of utilities for electronic mail
Copyright (C) 1999, 2000 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Library 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 Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
#ifndef _MAILBOX0_H
#define _MAILBOX0_H
#ifdef HAVE_PTHREAD_H
# define __USE_UNIX98 /* ?? */
# include <pthread.h>
#endif
#include <sys/types.h>
#include <stdio.h>
#include <mailutils/mailbox.h>
#ifdef __cplusplus
extern "C" {
#endif
#ifndef __P
# ifdef __STDC__
# define __P(args) args
# else
# define __P(args) ()
# endif
#endif /*__P */
struct _mailbox
{
/* Data */
observable_t observable;
debug_t debug;
ticket_t ticket;
authority_t authority;
locker_t locker;
stream_t stream;
url_t url;
int flags;
#ifdef WITH_PTHREAD
pthread_rwlock_t rwlock;
#endif
/* Back pointer to the specific mailbox */
void *data;
/* Public methods */
int (*_init) __P ((mailbox_t));
void (*_destroy) __P ((mailbox_t));
int (*_open) __P ((mailbox_t, int flag));
int (*_close) __P ((mailbox_t));
/* messages */
int (*_get_message) __P ((mailbox_t, size_t msgno, message_t *msg));
int (*_append_message) __P ((mailbox_t, message_t msg));
int (*_messages_count) __P ((mailbox_t, size_t *num));
int (*_expunge) __P ((mailbox_t));
int (*_scan) __P ((mailbox_t, size_t msgno, size_t *count));
int (*_is_updated) __P ((mailbox_t));
int (*_size) __P ((mailbox_t, off_t *size));
};
/* To manipulate mailbox rwlock. */
extern int mailbox_rdlock __P ((mailbox_t));
extern int mailbox_wrlock __P ((mailbox_t));
extern int mailbox_unlock __P ((mailbox_t));
#define MAILBOX_NOTIFY(mbox, type) \
if (mbox->observer) observer_notify (mbox->observer, type)
/* Moro(?)ic kluge. */
#define MAILBOX_DEBUG0(mbox, type, format) \
if (mbox->debug) debug_print (mbox->debug, type, format)
#define MAILBOX_DEBUG1(mbox, type, format, arg1) \
if (mbox->debug) debug_print (mbox->debug, type, format, arg1)
#define MAILBOX_DEBUG2(mbox, type, format, arg1, arg2) \
if (mbox->debug) debug_print (mbox->debug, type, format, arg1, arg2)
#define MAILBOX_DEBUG3(mbox, type, format, arg1, arg2, arg3) \
if (mbox->debug) debug_print (mbox->debug, type, format, arg1, arg2, arg3)
#define MAILBOX_DEBUG4(mbox, type, format, arg1, arg2, arg3, arg4) \
if (mbox->debug) debug_print (mbox->debug, type, format, arg1, arg2, arg3, arg4)
#ifdef __cplusplus
}
#endif
#endif /* _MAILBOX0_H */