| /SPARTAN/trunk/include/synch/condvar.h |
|---|
| 0,0 → 1,53 |
| /* |
| * Copyright (C) 2001-2004 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. |
| */ |
| #ifndef __CONDVAR_H__ |
| #define __CONDVAR_H__ |
| #include <arch/types.h> |
| #include <synch/waitq.h> |
| #include <typedefs.h> |
| #include <synch/synch.h> |
| struct condvar { |
| waitq_t wq; |
| }; |
| #define condvar_wait(cv,mtx) \ |
| _condvar_wait_timeout((cv),(mtx),SYNCH_NO_TIMEOUT,SYNCH_BLOCKING) |
| #define condvar_trywait(cv,mtx) \ |
| _condvar_wait_timeout((cv),(mtx),SYNCH_NO_TIMEOUT,SYNCH_NON_BLOCKING) |
| #define condvar_wait_timeout(cv,mtx,usec) \ |
| _condvar_wait_timeout((cv),(mtx),(usec),SYNCH_NON_BLOCKING) |
| extern void condvar_initialize(condvar_t *cv); |
| extern void condvar_signal(condvar_t *cv); |
| extern void condvar_broadcast(condvar_t *cv); |
| extern int _condvar_wait_timeout(condvar_t *cv, mutex_t *mtx, __u32 usec, int trywait); |
| #endif |
| /SPARTAN/trunk/include/synch/rwlock.h |
|---|
| 0,0 → 1,68 |
| /* |
| * Copyright (C) 2001-2004 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. |
| */ |
| #ifndef __RWLOCK_H__ |
| #define __RWLOCK_H__ |
| #include <arch/types.h> |
| #include <typedefs.h> |
| #include <synch/mutex.h> |
| #include <synch/synch.h> |
| enum rwlock_type { |
| RWLOCK_NONE, |
| RWLOCK_READER, |
| RWLOCK_WRITER |
| }; |
| struct rwlock { |
| spinlock_t lock; |
| mutex_t exclusive; |
| int readers_in; |
| }; |
| #define rwlock_write_lock(rwl) \ |
| _rwlock_write_lock_timeout((rwl),SYNCH_NO_TIMEOUT,SYNCH_BLOCKING) |
| #define rwlock_read_lock(rwl) \ |
| _rwlock_read_lock_timeout((rwl),SYNCH_NO_TIMEOUT,SYNCH_BLOCKING) |
| #define rwlock_write_trylock(rwl) \ |
| _rwlock_write_lock_timeout((rwl),SYNCH_NO_TIMEOUT,SYNCH_NON_BLOCKING) |
| #define rwlock_read_trylock(rwl) \ |
| _rwlock_read_lock_timeout((rwl),SYNCH_NO_TIMEOUT,SYNCH_NON_BLOCKING) |
| #define rwlock_write_lock_timeout(rwl,usec) \ |
| _rwlock_write_lock_timeout((rwl),(usec),SYNCH_NON_BLOCKING) |
| #define rwlock_read_lock_timeout(rwl,usec) \ |
| _rwlock_read_lock_timeout((rwl),(usec),SYNCH_NON_BLOCKING) |
| extern void rwlock_initialize(rwlock_t *rwl); |
| extern void rwlock_read_unlock(rwlock_t *rwl); |
| extern void rwlock_write_unlock(rwlock_t *rwl); |
| extern int _rwlock_read_lock_timeout(rwlock_t *rwl, __u32 usec, int trylock); |
| extern int _rwlock_write_lock_timeout(rwlock_t *rwl, __u32 usec, int trylock); |
| #endif |
| /SPARTAN/trunk/include/synch/mutex.h |
|---|
| 0,0 → 1,52 |
| /* |
| * Copyright (C) 2001-2004 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. |
| */ |
| #ifndef __MUTEX_H__ |
| #define __MUTEX_H__ |
| #include <arch/types.h> |
| #include <typedefs.h> |
| #include <synch/semaphore.h> |
| #include <synch/synch.h> |
| struct mutex { |
| semaphore_t sem; |
| }; |
| #define mutex_lock(mtx) \ |
| _mutex_lock_timeout((mtx),SYNCH_NO_TIMEOUT,SYNCH_BLOCKING) |
| #define mutex_trylock(mtx) \ |
| _mutex_lock_timeout((mtx),SYNCH_NO_TIMEOUT,SYNCH_NON_BLOCKING) |
| #define mutex_lock_timeout(mtx,usec) \ |
| _mutex_lock_timeout((mtx),(usec),SYNCH_NON_BLOCKING) |
| extern void mutex_initialize(mutex_t *mtx); |
| extern int _mutex_lock_timeout(mutex_t *mtx, __u32 usec, int trylock); |
| extern void mutex_unlock(mutex_t *mtx); |
| #endif |
| /SPARTAN/trunk/include/synch/spinlock.h |
|---|
| 0,0 → 1,57 |
| /* |
| * Copyright (C) 2001-2004 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. |
| */ |
| #ifndef __SPINLOCK_H__ |
| #define __SPINLOCK_H__ |
| #include <arch/types.h> |
| #include <typedefs.h> |
| #ifdef __SMP__ |
| struct spinlock { |
| int val; |
| }; |
| extern void spinlock_initialize(spinlock_t *sl); |
| extern void spinlock_lock(spinlock_t *sl); |
| extern int spinlock_trylock(spinlock_t *sl); |
| extern void spinlock_unlock(spinlock_t *sl); |
| #else |
| struct spinlock { |
| }; |
| #define spinlock_initialize(x) |
| #define spinlock_lock(x) |
| #define spinlock_trylock(x) 1 |
| #define spinlock_unlock(x) |
| #endif |
| #endif |
| /SPARTAN/trunk/include/synch/semaphore.h |
|---|
| 0,0 → 1,53 |
| /* |
| * Copyright (C) 2001-2004 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. |
| */ |
| #ifndef __SEMAPHORE_H__ |
| #define __SEMAPHORE_H__ |
| #include <arch/types.h> |
| #include <typedefs.h> |
| #include <synch/waitq.h> |
| #include <synch/synch.h> |
| struct semaphore |
| { |
| waitq_t wq; |
| }; |
| #define semaphore_down(s) \ |
| _semaphore_down_timeout((s),SYNCH_NO_TIMEOUT,SYNCH_BLOCKING) |
| #define semaphore_trydown(s) \ |
| _semaphore_down_timeout((s),SYNCH_NO_TIMEOUT,SYNCH_NON_BLOCKING) |
| #define semaphore_down_timeout(s,usec) \ |
| _semaphore_down_timeout((s),(usec),SYNCH_NON_BLOCKING) |
| extern void semaphore_initialize(semaphore_t *s, int val); |
| extern int _semaphore_down_timeout(semaphore_t *s, __u32 usec, int trydown); |
| extern void semaphore_up(semaphore_t *s); |
| #endif |
| /SPARTAN/trunk/include/synch/synch.h |
|---|
| 0,0 → 1,44 |
| /* |
| * Copyright (C) 2001-2004 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. |
| */ |
| #ifndef __SYNCH_H__ |
| #define __SYNCH_H__ |
| #define SYNCH_NO_TIMEOUT 0 |
| #define SYNCH_BLOCKING 0 |
| #define SYNCH_NON_BLOCKING 1 |
| #define ESYNCH_WOULD_BLOCK 1 |
| #define ESYNCH_TIMEOUT 2 |
| #define ESYNCH_OK_ATOMIC 4 |
| #define ESYNCH_OK_BLOCKED 8 |
| #define SYNCH_FAILED(rc) ((rc) & (ESYNCH_WOULD_BLOCK | ESYNCH_TIMEOUT)) |
| #define SYNCH_OK(rc) ((rc) & (ESYNCH_OK_ATOMIC | ESYNCH_OK_BLOCKED)) |
| #endif |
| /SPARTAN/trunk/include/synch/waitq.h |
|---|
| 0,0 → 1,57 |
| /* |
| * Copyright (C) 2001-2004 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. |
| */ |
| #ifndef __WAITQ_H__ |
| #define __WAITQ_H__ |
| #include <arch/types.h> |
| #include <typedefs.h> |
| #include <synch/spinlock.h> |
| #include <synch/synch.h> |
| #include <list.h> |
| #define WAKEUP_FIRST 0 |
| #define WAKEUP_ALL 1 |
| struct waitq { |
| spinlock_t lock; |
| int missed_wakeups; |
| link_t head; |
| }; |
| #define waitq_sleep(wq) \ |
| waitq_sleep_timeout((wq),SYNCH_NO_TIMEOUT,SYNCH_BLOCKING) |
| extern void waitq_interrupted_sleep(void *data); |
| extern void waitq_initialize(waitq_t *wq); |
| extern int waitq_sleep_timeout(waitq_t *wq, __u32 usec, int nonblocking); |
| extern void waitq_wakeup(waitq_t *wq, int all); |
| extern void _waitq_wakeup_unsafe(waitq_t *wq, int all); |
| #endif |