| 0,0 → 1,86 |
|---|
| /* |
| * 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 { |
| fibril_mutex_t fm; |
| } fibril_rwlock_t; |
| |
| #define FIBRIL_RWLOCK_INITIALIZE(name) \ |
| fibril_rwlock_t name = { \ |
| .fm = { \ |
| .counter = 1, \ |
| .waiters = { \ |
| .prev = &name.fm.waiters, \ |
| .next = &name.fm.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 *); |
| |
| #endif |
| |
| /** @} |
| */ |