monitor.h
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/* GNU Mailutils -- a suite of utilities for electronic mail
Copyright (C) 1999, 2000, 2005, 2007 Free Software Foundation, Inc.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 3 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General
Public License along with this library; if not, write to the
Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301 USA */
#ifndef _MAILUTILS_MONITOR_H
#define _MAILUTILS_MONITOR_H
#include <mailutils/types.h>
#ifdef __cplusplus
extern "C" {
#endif
struct mu_monitor
{
void *data;
void *owner;
int allocated;
int flags;
};
typedef struct mu_monitor *mu_monitor_t;
#define MU_MONITOR_PTHREAD 0
#define MU_MONITOR_INITIALIZER {0, 0, 0, 0}
extern int mu_monitor_create (mu_monitor_t *, int flags, void *owner);
extern void mu_monitor_destroy (mu_monitor_t *, void *owner);
extern void *mu_monitor_get_owner (mu_monitor_t);
extern int mu_monitor_rdlock (mu_monitor_t);
extern int mu_monitor_wrlock (mu_monitor_t);
extern int mu_monitor_unlock (mu_monitor_t);
extern int mu_monitor_wait (mu_monitor_t);
extern int mu_monitor_notify (mu_monitor_t);
#ifdef __cplusplus
}
#endif
#endif /* _MAILUTILS_MONITOR_H */