/branches/sparc/kernel/test/synch/rwlock3.c |
---|
0,0 → 1,96 |
/* |
* 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. |
*/ |
#include <test.h> |
#include <arch.h> |
#include <atomic.h> |
#include <print.h> |
#include <proc/thread.h> |
#include <synch/rwlock.h> |
#define THREADS 4 |
static atomic_t thread_count; |
static rwlock_t rwlock; |
static bool sh_quiet; |
static void reader(void *arg) |
{ |
thread_detach(THREAD); |
if (!sh_quiet) |
printf("cpu%u, tid %" PRIu64 ": trying to lock rwlock for reading....\n", CPU->id, THREAD->tid); |
rwlock_read_lock(&rwlock); |
rwlock_read_unlock(&rwlock); |
if (!sh_quiet) { |
printf("cpu%u, tid %" PRIu64 ": success\n", CPU->id, THREAD->tid); |
printf("cpu%u, tid %" PRIu64 ": trying to lock rwlock for writing....\n", CPU->id, THREAD->tid); |
} |
rwlock_write_lock(&rwlock); |
rwlock_write_unlock(&rwlock); |
if (!sh_quiet) |
printf("cpu%u, tid %" PRIu64 ": success\n", CPU->id, THREAD->tid); |
atomic_dec(&thread_count); |
} |
char * test_rwlock3(bool quiet) |
{ |
int i; |
thread_t *thrd; |
sh_quiet = quiet; |
atomic_set(&thread_count, THREADS); |
rwlock_initialize(&rwlock); |
rwlock_write_lock(&rwlock); |
for (i = 0; i < THREADS; i++) { |
thrd = thread_create(reader, NULL, TASK, 0, "reader", false); |
if (thrd) |
thread_ready(thrd); |
else if (!quiet) |
printf("Could not create reader %d\n", i); |
} |
thread_sleep(1); |
rwlock_write_unlock(&rwlock); |
while (atomic_get(&thread_count) > 0) { |
if (!quiet) |
printf("Threads left: %ld\n", atomic_get(&thread_count)); |
thread_sleep(1); |
} |
return NULL; |
} |
/branches/sparc/kernel/test/synch/rwlock4.c |
---|
0,0 → 1,198 |
/* |
* 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. |
*/ |
#include <test.h> |
#include <arch.h> |
#include <atomic.h> |
#include <print.h> |
#include <proc/thread.h> |
#include <arch/types.h> |
#include <arch/context.h> |
#include <context.h> |
#include <synch/waitq.h> |
#include <synch/rwlock.h> |
#include <synch/synch.h> |
#include <synch/spinlock.h> |
#define READERS 50 |
#define WRITERS 50 |
static atomic_t thread_count; |
static rwlock_t rwlock; |
static atomic_t threads_fault; |
static bool sh_quiet; |
SPINLOCK_INITIALIZE(rw_lock); |
static waitq_t can_start; |
static uint32_t seed = 0xdeadbeef; |
static uint32_t random(uint32_t max) |
{ |
uint32_t rc; |
spinlock_lock(&rw_lock); |
rc = seed % max; |
seed = (((seed<<2) ^ (seed>>2)) * 487) + rc; |
spinlock_unlock(&rw_lock); |
return rc; |
} |
static void writer(void *arg) |
{ |
int rc, to; |
thread_detach(THREAD); |
waitq_sleep(&can_start); |
to = random(40000); |
if (!sh_quiet) |
printf("cpu%u, tid %" PRIu64 " w+ (%d)\n", CPU->id, THREAD->tid, to); |
rc = rwlock_write_lock_timeout(&rwlock, to); |
if (SYNCH_FAILED(rc)) { |
if (!sh_quiet) |
printf("cpu%u, tid %" PRIu64 " w!\n", CPU->id, THREAD->tid); |
atomic_dec(&thread_count); |
return; |
} |
if (!sh_quiet) |
printf("cpu%u, tid %" PRIu64 " w=\n", CPU->id, THREAD->tid); |
if (rwlock.readers_in) { |
if (!sh_quiet) |
printf("Oops."); |
atomic_inc(&threads_fault); |
atomic_dec(&thread_count); |
return; |
} |
thread_usleep(random(1000000)); |
if (rwlock.readers_in) { |
if (!sh_quiet) |
printf("Oops."); |
atomic_inc(&threads_fault); |
atomic_dec(&thread_count); |
return; |
} |
rwlock_write_unlock(&rwlock); |
if (!sh_quiet) |
printf("cpu%u, tid %" PRIu64 " w-\n", CPU->id, THREAD->tid); |
atomic_dec(&thread_count); |
} |
static void reader(void *arg) |
{ |
int rc, to; |
thread_detach(THREAD); |
waitq_sleep(&can_start); |
to = random(2000); |
if (!sh_quiet) |
printf("cpu%u, tid %" PRIu64 " r+ (%d)\n", CPU->id, THREAD->tid, to); |
rc = rwlock_read_lock_timeout(&rwlock, to); |
if (SYNCH_FAILED(rc)) { |
if (!sh_quiet) |
printf("cpu%u, tid %" PRIu64 " r!\n", CPU->id, THREAD->tid); |
atomic_dec(&thread_count); |
return; |
} |
if (!sh_quiet) |
printf("cpu%u, tid %" PRIu64 " r=\n", CPU->id, THREAD->tid); |
thread_usleep(30000); |
rwlock_read_unlock(&rwlock); |
if (!sh_quiet) |
printf("cpu%u, tid %" PRIu64 " r-\n", CPU->id, THREAD->tid); |
atomic_dec(&thread_count); |
} |
char * test_rwlock4(bool quiet) |
{ |
context_t ctx; |
uint32_t i; |
sh_quiet = quiet; |
waitq_initialize(&can_start); |
rwlock_initialize(&rwlock); |
atomic_set(&threads_fault, 0); |
uint32_t rd = random(7) + 1; |
uint32_t wr = random(5) + 1; |
atomic_set(&thread_count, rd + wr); |
thread_t *thrd; |
context_save(&ctx); |
if (!quiet) { |
printf("sp=%#x, readers_in=%" PRIc "\n", ctx.sp, rwlock.readers_in); |
printf("Creating %" PRIu32 " readers\n", rd); |
} |
for (i = 0; i < rd; i++) { |
thrd = thread_create(reader, NULL, TASK, 0, "reader", false); |
if (thrd) |
thread_ready(thrd); |
else if (!quiet) |
printf("Could not create reader %" PRIu32 "\n", i); |
} |
if (!quiet) |
printf("Creating %" PRIu32 " writers\n", wr); |
for (i = 0; i < wr; i++) { |
thrd = thread_create(writer, NULL, TASK, 0, "writer", false); |
if (thrd) |
thread_ready(thrd); |
else if (!quiet) |
printf("Could not create writer %" PRIu32 "\n", i); |
} |
thread_usleep(20000); |
waitq_wakeup(&can_start, WAKEUP_ALL); |
while (atomic_get(&thread_count) > 0) { |
if (!quiet) |
printf("Threads left: %ld\n", atomic_get(&thread_count)); |
thread_sleep(1); |
} |
if (atomic_get(&threads_fault) == 0) |
return NULL; |
return "Test failed"; |
} |
/branches/sparc/kernel/test/synch/semaphore2.c |
---|
0,0 → 1,107 |
/* |
* 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. |
*/ |
#include <test.h> |
#include <arch.h> |
#include <atomic.h> |
#include <print.h> |
#include <proc/thread.h> |
#include <arch/types.h> |
#include <arch/context.h> |
#include <synch/waitq.h> |
#include <synch/semaphore.h> |
#include <synch/synch.h> |
#include <synch/spinlock.h> |
static semaphore_t sem; |
SPINLOCK_INITIALIZE(sem_lock); |
static waitq_t can_start; |
static uint32_t seed = 0xdeadbeef; |
static uint32_t random(uint32_t max) |
{ |
uint32_t rc; |
spinlock_lock(&sem_lock); |
rc = seed % max; |
seed = (((seed<<2) ^ (seed>>2)) * 487) + rc; |
spinlock_unlock(&sem_lock); |
return rc; |
} |
static void consumer(void *arg) |
{ |
int rc, to; |
thread_detach(THREAD); |
waitq_sleep(&can_start); |
to = random(20000); |
printf("cpu%u, tid %" PRIu64 " down+ (%d)\n", CPU->id, THREAD->tid, to); |
rc = semaphore_down_timeout(&sem, to); |
if (SYNCH_FAILED(rc)) { |
printf("cpu%u, tid %" PRIu64 " down!\n", CPU->id, THREAD->tid); |
return; |
} |
printf("cpu%u, tid %" PRIu64 " down=\n", CPU->id, THREAD->tid); |
thread_usleep(random(30000)); |
semaphore_up(&sem); |
printf("cpu%u, tid %" PRIu64 " up\n", CPU->id, THREAD->tid); |
} |
char * test_semaphore2(bool quiet) |
{ |
uint32_t i, k; |
waitq_initialize(&can_start); |
semaphore_initialize(&sem, 5); |
thread_t *thrd; |
k = random(7) + 1; |
printf("Creating %" PRIu32 " consumers\n", k); |
for (i = 0; i < k; i++) { |
thrd = thread_create(consumer, NULL, TASK, 0, "consumer", false); |
if (thrd) |
thread_ready(thrd); |
else |
printf("Error creating thread\n"); |
} |
thread_usleep(20000); |
waitq_wakeup(&can_start, WAKEUP_ALL); |
return NULL; |
} |
/branches/sparc/kernel/test/synch/rwlock5.c |
---|
0,0 → 1,117 |
/* |
* 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. |
*/ |
#include <test.h> |
#include <arch.h> |
#include <atomic.h> |
#include <print.h> |
#include <proc/thread.h> |
#include <synch/waitq.h> |
#include <synch/rwlock.h> |
#define READERS 50 |
#define WRITERS 50 |
static rwlock_t rwlock; |
static waitq_t can_start; |
static atomic_t items_read; |
static atomic_t items_written; |
static void writer(void *arg) |
{ |
thread_detach(THREAD); |
waitq_sleep(&can_start); |
rwlock_write_lock(&rwlock); |
atomic_inc(&items_written); |
rwlock_write_unlock(&rwlock); |
} |
static void reader(void *arg) |
{ |
thread_detach(THREAD); |
waitq_sleep(&can_start); |
rwlock_read_lock(&rwlock); |
atomic_inc(&items_read); |
rwlock_read_unlock(&rwlock); |
} |
char * test_rwlock5(bool quiet) |
{ |
int i, j, k; |
long readers, writers; |
waitq_initialize(&can_start); |
rwlock_initialize(&rwlock); |
for (i = 1; i <= 3; i++) { |
thread_t *thrd; |
atomic_set(&items_read, 0); |
atomic_set(&items_written, 0); |
readers = i * READERS; |
writers = (4 - i) * WRITERS; |
printf("Creating %ld readers and %ld writers...", readers, writers); |
for (j = 0; j < (READERS + WRITERS) / 2; j++) { |
for (k = 0; k < i; k++) { |
thrd = thread_create(reader, NULL, TASK, 0, "reader", false); |
if (thrd) |
thread_ready(thrd); |
else |
printf("Could not create reader %d\n", k); |
} |
for (k = 0; k < (4 - i); k++) { |
thrd = thread_create(writer, NULL, TASK, 0, "writer", false); |
if (thrd) |
thread_ready(thrd); |
else |
printf("Could not create writer %d\n", k); |
} |
} |
printf("ok\n"); |
thread_sleep(1); |
waitq_wakeup(&can_start, WAKEUP_ALL); |
while ((items_read.count != readers) || (items_written.count != writers)) { |
printf("%d readers remaining, %d writers remaining, readers_in=%d\n", readers - items_read.count, writers - items_written.count, rwlock.readers_in); |
thread_usleep(100000); |
} |
} |
return NULL; |
} |
/branches/sparc/kernel/test/synch/rwlock1.c |
---|
0,0 → 1,75 |
/* |
* 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. |
*/ |
#include <test.h> |
#include <arch.h> |
#include <atomic.h> |
#include <print.h> |
#include <proc/thread.h> |
#include <synch/waitq.h> |
#include <synch/rwlock.h> |
#define READERS 50 |
#define WRITERS 50 |
static rwlock_t rwlock; |
char * test_rwlock1(bool quiet) |
{ |
rwlock_initialize(&rwlock); |
rwlock_write_lock(&rwlock); |
rwlock_write_unlock(&rwlock); |
rwlock_read_lock(&rwlock); |
rwlock_read_lock(&rwlock); |
rwlock_read_lock(&rwlock); |
rwlock_read_lock(&rwlock); |
rwlock_read_lock(&rwlock); |
rwlock_read_unlock(&rwlock); |
rwlock_read_unlock(&rwlock); |
rwlock_read_unlock(&rwlock); |
rwlock_read_unlock(&rwlock); |
rwlock_read_unlock(&rwlock); |
rwlock_write_lock(&rwlock); |
rwlock_write_unlock(&rwlock); |
rwlock_read_lock(&rwlock); |
rwlock_read_unlock(&rwlock); |
rwlock_write_lock(&rwlock); |
rwlock_write_unlock(&rwlock); |
rwlock_read_lock(&rwlock); |
rwlock_read_unlock(&rwlock); |
return NULL; |
} |
/branches/sparc/kernel/test/synch/rwlock2.c |
---|
0,0 → 1,87 |
/* |
* 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. |
*/ |
#include <test.h> |
#include <arch.h> |
#include <atomic.h> |
#include <print.h> |
#include <proc/thread.h> |
#include <synch/rwlock.h> |
#define READERS 50 |
#define WRITERS 50 |
static rwlock_t rwlock; |
static bool sh_quiet; |
static void writer(void *arg) |
{ |
if (!sh_quiet) |
printf("Trying to lock rwlock for writing....\n"); |
rwlock_write_lock(&rwlock); |
rwlock_write_unlock(&rwlock); |
if (!sh_quiet) |
printf("Trying to lock rwlock for reading....\n"); |
rwlock_read_lock(&rwlock); |
rwlock_read_unlock(&rwlock); |
} |
char * test_rwlock2(bool quiet) |
{ |
thread_t *thrd; |
sh_quiet = quiet; |
rwlock_initialize(&rwlock); |
rwlock_read_lock(&rwlock); |
rwlock_read_lock(&rwlock); |
rwlock_read_lock(&rwlock); |
rwlock_read_lock(&rwlock); |
thrd = thread_create(writer, NULL, TASK, 0, "writer", false); |
if (thrd) |
thread_ready(thrd); |
else |
return "Could not create thread"; |
thread_sleep(1); |
rwlock_read_unlock(&rwlock); |
rwlock_read_unlock(&rwlock); |
rwlock_read_unlock(&rwlock); |
rwlock_read_unlock(&rwlock); |
thread_join(thrd); |
thread_detach(thrd); |
return NULL; |
} |
/branches/sparc/kernel/test/synch/semaphore1.c |
---|
0,0 → 1,120 |
/* |
* 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. |
*/ |
#include <test.h> |
#include <arch.h> |
#include <atomic.h> |
#include <print.h> |
#include <proc/thread.h> |
#include <synch/waitq.h> |
#include <synch/semaphore.h> |
#define AT_ONCE 3 |
#define PRODUCERS 50 |
#define CONSUMERS 50 |
static semaphore_t sem; |
static waitq_t can_start; |
static atomic_t items_produced; |
static atomic_t items_consumed; |
static void producer(void *arg) |
{ |
thread_detach(THREAD); |
waitq_sleep(&can_start); |
semaphore_down(&sem); |
atomic_inc(&items_produced); |
thread_usleep(250); |
semaphore_up(&sem); |
} |
static void consumer(void *arg) |
{ |
thread_detach(THREAD); |
waitq_sleep(&can_start); |
semaphore_down(&sem); |
atomic_inc(&items_consumed); |
thread_usleep(500); |
semaphore_up(&sem); |
} |
char * test_semaphore1(bool quiet) |
{ |
int i, j, k; |
int consumers, producers; |
waitq_initialize(&can_start); |
semaphore_initialize(&sem, AT_ONCE); |
for (i = 1; i <= 3; i++) { |
thread_t *thrd; |
atomic_set(&items_produced, 0); |
atomic_set(&items_consumed, 0); |
consumers = i * CONSUMERS; |
producers = (4 - i) * PRODUCERS; |
printf("Creating %d consumers and %d producers...", consumers, producers); |
for (j = 0; j < (CONSUMERS + PRODUCERS) / 2; j++) { |
for (k = 0; k < i; k++) { |
thrd = thread_create(consumer, NULL, TASK, 0, "consumer", false); |
if (thrd) |
thread_ready(thrd); |
else |
printf("could not create consumer %d\n", i); |
} |
for (k = 0; k < (4 - i); k++) { |
thrd = thread_create(producer, NULL, TASK, 0, "producer", false); |
if (thrd) |
thread_ready(thrd); |
else |
printf("could not create producer %d\n", i); |
} |
} |
printf("ok\n"); |
thread_sleep(1); |
waitq_wakeup(&can_start, WAKEUP_ALL); |
while ((items_consumed.count != consumers) || (items_produced.count != producers)) { |
printf("%d consumers remaining, %d producers remaining\n", consumers - items_consumed.count, producers - items_produced.count); |
thread_sleep(1); |
} |
} |
return NULL; |
} |
/branches/sparc/kernel/test/synch/rwlock1.def |
---|
0,0 → 1,6 |
{ |
"rwlock1", |
"RW-lock test 1", |
&test_rwlock1, |
true |
}, |
/branches/sparc/kernel/test/synch/rwlock2.def |
---|
0,0 → 1,6 |
{ |
"rwlock2", |
"RW-lock test 2", |
&test_rwlock2, |
true |
}, |
/branches/sparc/kernel/test/synch/rwlock3.def |
---|
0,0 → 1,6 |
{ |
"rwlock3", |
"RW-lock test 3", |
&test_rwlock3, |
true |
}, |
/branches/sparc/kernel/test/synch/semaphore1.def |
---|
0,0 → 1,6 |
{ |
"semaphore1", |
"Semaphore test 1", |
&test_semaphore1, |
true |
}, |
/branches/sparc/kernel/test/synch/rwlock4.def |
---|
0,0 → 1,6 |
{ |
"rwlock4", |
"RW-lock test 4", |
&test_rwlock4, |
true |
}, |
/branches/sparc/kernel/test/synch/semaphore2.def |
---|
0,0 → 1,6 |
{ |
"semaphore2", |
"Semaphore test 2", |
&test_semaphore2, |
true |
}, |
/branches/sparc/kernel/test/synch/rwlock5.def |
---|
0,0 → 1,6 |
{ |
"rwlock5", |
"RW-lock test 5", |
&test_rwlock5, |
true |
}, |