0,0 → 1,104 |
/* |
* Copyright (c) 2009 Jakub Jermar |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
|
/** @addtogroup libc |
* @{ |
*/ |
/** @file |
*/ |
|
#ifndef LIBC_FIBRIL_SYNC_H_ |
#define LIBC_FIBRIL_SYNC_H_ |
|
#include <async.h> |
#include <fibril.h> |
#include <adt/list.h> |
#include <libarch/tls.h> |
|
typedef struct { |
int counter; |
link_t waiters; |
} fibril_mutex_t; |
|
#define FIBRIL_MUTEX_INITIALIZE(name) \ |
fibril_mutex_t name = { \ |
.counter = 1, \ |
.waiters = { \ |
.prev = &name.waiters, \ |
.next = &name.waiters, \ |
} \ |
} |
|
typedef struct { |
unsigned writers; |
unsigned readers; |
link_t waiters; |
} fibril_rwlock_t; |
|
#define FIBRIL_RWLOCK_INITIALIZE(name) \ |
fibril_rwlock_t name = { \ |
.readers = 0, \ |
.writers = 0, \ |
.waiters = { \ |
.prev = &name.waiters, \ |
.next = &name.waiters, \ |
} \ |
} |
|
typedef struct { |
link_t waiters; |
} fibril_condvar_t; |
|
#define FIBRIL_CONDVAR_INITIALIZE(name) \ |
fibril_condvar_t name = { \ |
.waiters = { \ |
.next = &name.waiters, \ |
.prev = &name.waiters, \ |
} \ |
} |
|
extern void fibril_mutex_initialize(fibril_mutex_t *); |
extern void fibril_mutex_lock(fibril_mutex_t *); |
extern bool fibril_mutex_trylock(fibril_mutex_t *); |
extern void fibril_mutex_unlock(fibril_mutex_t *); |
|
extern void fibril_rwlock_initialize(fibril_rwlock_t *); |
extern void fibril_rwlock_read_lock(fibril_rwlock_t *); |
extern void fibril_rwlock_write_lock(fibril_rwlock_t *); |
extern void fibril_rwlock_read_unlock(fibril_rwlock_t *); |
extern void fibril_rwlock_write_unlock(fibril_rwlock_t *); |
|
extern void fibril_condvar_initialize(fibril_condvar_t *); |
extern void fibril_condvar_wait(fibril_condvar_t *, fibril_mutex_t *); |
extern void fibril_condvar_signal(fibril_condvar_t *); |
extern void fibril_condvar_broadcast(fibril_condvar_t *); |
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#endif |
|
/** @} |
*/ |