further work done for simultaneous rekeying/delete

still some cases which cause trouble
This commit is contained in:
Martin Willi
2006-07-10 14:24:04 +00:00
parent c5d2d7c023
commit abba7ecb9d
15 changed files with 312 additions and 229 deletions
+22 -19
View File
@@ -1,8 +1,8 @@
/**
* @file thread_pool.c
*
*
* @brief Implementation of thread_pool_t.
*
*
*/
/*
@@ -57,12 +57,7 @@ struct private_thread_pool_t {
/**
* Logger of the thread pool.
*/
logger_t *pool_logger;
/**
* Logger of the worker threads.
*/
logger_t *worker_logger;
logger_t *logger;
} ;
/**
@@ -76,7 +71,9 @@ static void process_jobs(private_thread_pool_t *this)
/* cancellation disabled by default */
pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, NULL);
this->worker_logger->log(this->worker_logger, CONTROL, "worker thread running, thread_ID: %06u", (int)pthread_self());
this->logger->log(this->logger, CONTROL,
"worker thread running, thread_ID: %06u",
(int)pthread_self());
while (TRUE)
{
@@ -107,7 +104,8 @@ static void destroy(private_thread_pool_t *this)
int current;
/* flag thread for termination */
for (current = 0; current < this->pool_size; current++) {
this->pool_logger->log(this->pool_logger, CONTROL, "cancelling worker thread #%d", current+1);
this->logger->log(this->logger, CONTROL,
"cancelling worker thread #%d", current+1);
pthread_cancel(this->threads[current]);
}
@@ -115,11 +113,13 @@ static void destroy(private_thread_pool_t *this)
for (current = 0; current < this->pool_size; current++) {
if (pthread_join(this->threads[current], NULL) == 0)
{
this->pool_logger->log(this->pool_logger, CONTROL, "worker thread #%d terminated", current+1);
this->logger->log(this->logger, CONTROL,
"worker thread #%d terminated", current+1);
}
else
{
this->pool_logger->log(this->pool_logger, ERROR, "could not terminate worker thread #%d", current+1);
this->logger->log(this->logger, ERROR,
"could not terminate worker thread #%d", current+1);
}
}
@@ -143,32 +143,35 @@ thread_pool_t *thread_pool_create(size_t pool_size)
/* initialize member */
this->pool_size = pool_size;
this->threads = malloc(sizeof(pthread_t) * pool_size);
this->pool_logger = logger_manager->get_logger(logger_manager, THREAD_POOL);
this->worker_logger = logger_manager->get_logger(logger_manager, WORKER);
this->logger = logger_manager->get_logger(logger_manager, THREAD_POOL);
/* try to create as many threads as possible, up to pool_size */
for (current = 0; current < pool_size; current++)
{
if (pthread_create(&(this->threads[current]), NULL, (void*(*)(void*))process_jobs, this) == 0)
if (pthread_create(&(this->threads[current]), NULL,
(void*(*)(void*))process_jobs, this) == 0)
{
this->pool_logger->log(this->pool_logger, CONTROL, "created worker thread #%d", current+1);
this->logger->log(this->logger, CONTROL,
"created worker thread #%d", current+1);
}
else
{
/* creation failed, is it the first one? */
if (current == 0)
{
this->pool_logger->log(this->pool_logger, ERROR, "Could not create any thread");
this->logger->log(this->logger, ERROR, "Could not create any thread");
free(this->threads);
free(this);
return NULL;
}
/* not all threads could be created, but at least one :-/ */
this->pool_logger->log(this->pool_logger, ERROR, "Could only create %d from requested %d threads!", current, pool_size);
this->logger->log(this->logger, ERROR,
"Could only create %d from requested %d threads!",
current, pool_size);
this->pool_size = current;
return (thread_pool_t*)this;
}
}
}
return (thread_pool_t*)this;
}