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| Rev | Author | Line No. | Line |
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| 1113 | palkovsky | 1 | /* |
| 4516 | jermar | 2 | * Copyright (c) 2009 Jakub Jermar |
| 1113 | palkovsky | 3 | * All rights reserved. |
| 4 | * |
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| 5 | * Redistribution and use in source and binary forms, with or without |
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| 6 | * modification, are permitted provided that the following conditions |
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| 7 | * are met: |
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| 8 | * |
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| 9 | * - Redistributions of source code must retain the above copyright |
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| 10 | * notice, this list of conditions and the following disclaimer. |
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| 11 | * - Redistributions in binary form must reproduce the above copyright |
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| 12 | * notice, this list of conditions and the following disclaimer in the |
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| 13 | * documentation and/or other materials provided with the distribution. |
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| 14 | * - The name of the author may not be used to endorse or promote products |
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| 15 | * derived from this software without specific prior written permission. |
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| 16 | * |
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| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
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| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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| 27 | */ |
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| 28 | |||
| 1866 | jermar | 29 | /** @addtogroup libc |
| 1653 | cejka | 30 | * @{ |
| 31 | */ |
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| 32 | /** @file |
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| 33 | */ |
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| 34 | |||
| 4516 | jermar | 35 | #ifndef LIBC_FIBRIL_SYNC_H_ |
| 36 | #define LIBC_FIBRIL_SYNC_H_ |
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| 1113 | palkovsky | 37 | |
| 4516 | jermar | 38 | #include <async.h> |
| 39 | #include <fibril.h> |
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| 4509 | decky | 40 | #include <adt/list.h> |
| 2586 | jermar | 41 | #include <libarch/tls.h> |
| 1113 | palkovsky | 42 | |
| 4516 | jermar | 43 | typedef struct { |
| 44 | int counter; |
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| 45 | link_t waiters; |
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| 46 | } fibril_mutex_t; |
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| 1113 | palkovsky | 47 | |
| 4516 | jermar | 48 | #define FIBRIL_MUTEX_INITIALIZE(name) \ |
| 49 | fibril_mutex_t name = { \ |
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| 50 | .counter = 1, \ |
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| 51 | .waiters = { \ |
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| 52 | .prev = &name.waiters, \ |
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| 53 | .next = &name.waiters, \ |
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| 54 | } \ |
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| 55 | } |
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| 1610 | palkovsky | 56 | |
| 4516 | jermar | 57 | typedef struct { |
| 4526 | jermar | 58 | unsigned writers; |
| 59 | unsigned readers; |
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| 60 | link_t waiters; |
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| 4516 | jermar | 61 | } fibril_rwlock_t; |
| 1392 | palkovsky | 62 | |
| 4516 | jermar | 63 | #define FIBRIL_RWLOCK_INITIALIZE(name) \ |
| 64 | fibril_rwlock_t name = { \ |
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| 4526 | jermar | 65 | .readers = 0, \ |
| 66 | .writers = 0, \ |
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| 67 | .waiters = { \ |
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| 68 | .prev = &name.waiters, \ |
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| 69 | .next = &name.waiters, \ |
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| 4516 | jermar | 70 | } \ |
| 71 | } |
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| 1113 | palkovsky | 72 | |
| 4527 | jermar | 73 | typedef struct { |
| 74 | link_t waiters; |
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| 75 | } fibril_condvar_t; |
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| 76 | |||
| 4535 | jermar | 77 | #define FIBRIL_CONDVAR_INITIALIZE(name) \ |
| 78 | fibril_condvar_t name = { \ |
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| 79 | .waiters = { \ |
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| 80 | .next = &name.waiters, \ |
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| 81 | .prev = &name.waiters, \ |
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| 82 | } \ |
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| 83 | } |
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| 84 | |||
| 4516 | jermar | 85 | extern void fibril_mutex_initialize(fibril_mutex_t *); |
| 86 | extern void fibril_mutex_lock(fibril_mutex_t *); |
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| 87 | extern bool fibril_mutex_trylock(fibril_mutex_t *); |
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| 88 | extern void fibril_mutex_unlock(fibril_mutex_t *); |
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| 1113 | palkovsky | 89 | |
| 4516 | jermar | 90 | extern void fibril_rwlock_initialize(fibril_rwlock_t *); |
| 91 | extern void fibril_rwlock_read_lock(fibril_rwlock_t *); |
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| 92 | extern void fibril_rwlock_write_lock(fibril_rwlock_t *); |
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| 93 | extern void fibril_rwlock_read_unlock(fibril_rwlock_t *); |
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| 94 | extern void fibril_rwlock_write_unlock(fibril_rwlock_t *); |
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| 1113 | palkovsky | 95 | |
| 4527 | jermar | 96 | extern void fibril_condvar_initialize(fibril_condvar_t *); |
| 97 | extern void fibril_condvar_wait(fibril_condvar_t *, fibril_mutex_t *); |
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| 98 | extern void fibril_condvar_signal(fibril_condvar_t *); |
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| 99 | extern void fibril_condvar_broadcast(fibril_condvar_t *); |
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| 100 | |||
| 1113 | palkovsky | 101 | #endif |
| 1653 | cejka | 102 | |
| 1866 | jermar | 103 | /** @} |
| 1653 | cejka | 104 | */ |