lumiera_/tests/backend/test-threadpool.c

348 lines
8.3 KiB
C

/*
test-threadpool.c - test thread pool creation and usage
Copyright (C) Lumiera.org
2009, Michael Ploujnikov <ploujj@gmail.com>
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "tests/test.h"
#include "backend/threadpool.h"
#include "include/logging.h"
#include <stdio.h>
#include <string.h>
#include <math.h>
#include <unistd.h>
void is_prime(void * arg)
{
unsigned long long number = *(unsigned long long *)arg;
unsigned long long prime = 1;
usleep(1);
for (unsigned long long x = number-1; x >= sqrt(number); --x)
{
if ((number % x) == 0)
{
prime = 0;
break;
}
}
*(unsigned long long *)arg = prime;
usleep(1);
}
void sleep_fn(void * arg)
{
unsigned int usec = *(int *)arg;
unsigned int result = usleep (usec);
*(int *)arg = result;
}
void other_fn(void * arg)
{
int input = *(int *)arg;
lumiera_thread_sync (); // the main thread can discard the argument storage
input -= 42;
ECHO ("result is %d", input);
}
void sleeping_worker_fn(void * arg)
{
int input = *(int *)arg;
int delay = rand () % 100000;
usleep (delay);
lumiera_thread_sync (); // the main thread can discard the argument storage
input -= 42;
ECHO ("result is %d", input);
}
void joinable_worker_fn(void * arg)
{
int input = *(int *)arg;
lumiera_thread_sync ();
input += 42;
}
void joinable_master_fn(void * arg)
{
int input = *(int *)arg;
lumiera_thread_sync ();
input -= 42;
LumieraThread worker = lumiera_thread_run (LUMIERA_THREADCLASS_IDLE
| LUMIERA_THREAD_JOINABLE,
&joinable_worker_fn,
(void *)&input,
"joinable worker thread",
&NOBUG_FLAG (test));
lumiera_thread_sync_other (worker);
lumiera_thread_join (worker);
}
TESTS_BEGIN
TEST ("threadpool-basic")
{
lumiera_threadpool_init();
lumiera_threadpool_destroy();
}
TEST ("threadpool1")
{
ECHO("start by initializing the threadpool");
lumiera_threadpool_init();
LumieraThread t1 =
lumiera_threadpool_acquire_thread(LUMIERA_THREADCLASS_INTERACTIVE,
"test purpose",
&NOBUG_FLAG(TESTS));
// lumiera_threadpool_release_thread(t1);
ECHO("acquired thread 1 %p",t1);
lumiera_threadpool_destroy();
}
TEST ("two-thread-acquire")
{
ECHO("start by initializing the threadpool");
lumiera_threadpool_init();
ECHO("acquiring thread 1");
LumieraThread t1 =
lumiera_threadpool_acquire_thread(LUMIERA_THREADCLASS_INTERACTIVE,
"test purpose",
&NOBUG_FLAG(TESTS));
ECHO("acquiring thread 2");
LumieraThread t2 =
lumiera_threadpool_acquire_thread(LUMIERA_THREADCLASS_IDLE,
"test purpose",
&NOBUG_FLAG(TESTS));
ECHO("thread 1 state=%s", lumiera_threadstate_names[t1->state]);
CHECK(LUMIERA_THREADSTATE_IDLE == t1->state);
ECHO("thread 2 state=%s", lumiera_threadstate_names[t2->state]);
CHECK(LUMIERA_THREADSTATE_IDLE == t2->state);
LUMIERA_CONDITION_SECTION(TESTS, &t1->signal)
{
t1->state = LUMIERA_THREADSTATE_WAKEUP;
LUMIERA_CONDITION_SIGNAL;
}
LUMIERA_CONDITION_SECTION(TESTS, &t2->signal)
{
t2->state = LUMIERA_THREADSTATE_WAKEUP;
LUMIERA_CONDITION_SIGNAL;
}
ECHO("cleaning up");
lumiera_threadpool_destroy();
}
TEST ("many-sleepy-threads")
{
const int threads_per_pool_count = 10;
unsigned int delay = 10000;
lumiera_threadpool_init();
LumieraThread threads[threads_per_pool_count*LUMIERA_THREADCLASS_COUNT];
for (int kind = 0; kind < LUMIERA_THREADCLASS_COUNT; ++kind)
{
for (int i = 0; i < threads_per_pool_count; ++i)
{
threads[i+kind*threads_per_pool_count] =
lumiera_thread_run(kind,
&sleep_fn,
(void *) &delay,
"just sleep a bit",
&NOBUG_FLAG(TESTS));
}
}
lumiera_threadpool_destroy();
}
TEST ("toomany-random-sleepy-threads (compiletest only)")
{
const int threads_per_pool_count = 500;
unsigned int delay[threads_per_pool_count*LUMIERA_THREADCLASS_COUNT];
lumiera_threadpool_init();
LumieraThread threads[threads_per_pool_count*LUMIERA_THREADCLASS_COUNT];
for (int kind = 0; kind < LUMIERA_THREADCLASS_COUNT; ++kind)
{
for (int i = 0; i < threads_per_pool_count; ++i)
{
delay[i] = rand() % 1000000;
threads[i+kind*threads_per_pool_count] =
lumiera_thread_run(kind,
&sleep_fn,
(void *) &delay[i],
"just sleep a bit",
&NOBUG_FLAG(TESTS));
}
}
lumiera_threadpool_destroy();
}
TEST ("no-function")
{
LumieraThread t;
lumiera_threadpool_init();
t = lumiera_thread_run (LUMIERA_THREADCLASS_INTERACTIVE,
NULL,
NULL,
"process my test function",
&NOBUG_FLAG(TESTS));
// cleanup
ECHO("finished waiting");
lumiera_threadpool_destroy();
}
TEST ("process-function")
{
// this is what the scheduler would do once it figures out what function a job needs to run
LumieraThread t;
unsigned long long number = 1307;
lumiera_threadpool_init();
ECHO ("the input to the function is %llu", number);
t = lumiera_thread_run (LUMIERA_THREADCLASS_INTERACTIVE,
&is_prime,
(void *)&number, //void * arg,
"process my test function",
&NOBUG_FLAG(TESTS)); // struct nobug_flag* flag)
// cleanup
lumiera_threadpool_destroy();
ECHO("the result is %llu", number);
}
TEST ("many-random-sleepy-threads (compiletest only)")
{
const int threads_per_pool_count = 10;
unsigned int delay[threads_per_pool_count*LUMIERA_THREADCLASS_COUNT];
lumiera_threadpool_init();
LumieraThread threads[threads_per_pool_count*LUMIERA_THREADCLASS_COUNT];
for (int kind = 0; kind < LUMIERA_THREADCLASS_COUNT; ++kind)
{
for (int i = 0; i < threads_per_pool_count; ++i)
{
delay[i] = rand() % 1000000;
threads[i+kind*threads_per_pool_count] =
lumiera_thread_run(kind,
&sleep_fn,
(void *) &delay[i],
"just sleep a bit",
&NOBUG_FLAG(TESTS));
}
}
lumiera_threadpool_destroy();
}
TEST ("simple-sync")
{
lumiera_threadpool_init ();
int value = 42;
LumieraThread other = lumiera_thread_run (LUMIERA_THREADCLASS_IDLE,
&other_fn,
(void *)&value,
"other thread",
&NOBUG_FLAG (TESTS));
ECHO ("syncing with the other thread");
lumiera_thread_sync_other (other);
ECHO ("the other thread received its arguments");
value += 42;
lumiera_threadpool_destroy ();
}
TEST ("sync-many")
{
lumiera_threadpool_init ();
int value = 42;
int workers = 100;
LumieraThread threads[workers];
for (int i = 0; i < workers; i++)
{
threads[i] = lumiera_thread_run (LUMIERA_THREADCLASS_IDLE,
&sleeping_worker_fn,
(void *)&value,
"worker thread",
&NOBUG_FLAG (TESTS));
lumiera_thread_sync_other (threads[i]);
}
value += 42;
ECHO ("value is %d", value);
lumiera_threadpool_destroy ();
}
TEST ("joinable-thread")
{
int delay = 10000;
lumiera_threadpool_init ();
LumieraThread t = lumiera_thread_run (LUMIERA_THREADCLASS_IDLE
| LUMIERA_THREAD_JOINABLE,
&sleep_fn,
(void *)&delay,
"joinable idle thread",
&NOBUG_FLAG (test));
lumiera_thread_join(t);
lumiera_threadpool_destroy ();
}
TEST ("sync-joinable")
{
lumiera_threadpool_init ();
int value = 0;
LumieraThread master = lumiera_thread_run (LUMIERA_THREADCLASS_IDLE
| LUMIERA_THREAD_JOINABLE,
&joinable_master_fn,
(void *)&value,
"joinable master thread",
&NOBUG_FLAG (test));
ECHO ("syncing with the master thread");
lumiera_thread_sync_other (master);
ECHO ("the master thread received its arguments");
lumiera_thread_join (master);
ECHO ("the master thread terminated");
lumiera_threadpool_destroy ();
}
TESTS_END