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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 General Library 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 _MAILUTILS_MONITOR_H
#define _MAILUTILS_MONITOR_H
#include <mailutils/types.h>
#ifdef __cplusplus
extern "C" {
#endif
struct _monitor
{
void *data;
void *owner;
int allocated;
int flags;
};
typedef struct _monitor *monitor_t;
#define MU_MONITOR_PTHREAD 0
#define MU_MONITOR_INITIALIZER {0, 0, 0, 0}
extern int monitor_create __P ((monitor_t *, int flags, void *owner));
extern void monitor_destroy __P ((monitor_t *, void *owner));
extern void *monitor_get_owner __P ((monitor_t));
extern int monitor_rdlock __P ((monitor_t));
extern int monitor_wrlock __P ((monitor_t));
extern int monitor_unlock __P ((monitor_t));
extern int monitor_wait __P ((monitor_t));
extern int monitor_notify __P ((monitor_t));
#ifdef __cplusplus
}
#endif
#endif /* _MAILUTILS_MONITOR_H */
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