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thread-pool: remove stopping variable 

Just setting the max threads to 0 is enough to stop all workers.

Message-Id: <20220514065012.1149539-4-pbonzini@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Nicolas Saenz Julienne <nsaenzju@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini 2022-05-14 08:50:12 +02:00
parent 900fa208f5
commit 232e925547
1 changed files with 2 additions and 3 deletions
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5
util/thread-pool.c
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@ -69,7 +69,6 @@ struct ThreadPool {
int idle_threads;
int new_threads; /* backlog of threads we need to create */
int pending_threads; /* threads created but not running yet */
bool stopping;
int min_threads;
int max_threads;
};
@ -82,7 +81,7 @@ static void *worker_thread(void *opaque)
pool->pending_threads--;
do_spawn_thread(pool);
while (!pool->stopping && pool->cur_threads <= pool->max_threads) {
while (pool->cur_threads <= pool->max_threads) {
ThreadPoolElement *req;
int ret;
@ -370,7 +369,7 @@ void thread_pool_free(ThreadPool *pool)
pool->new_threads = 0;
/* Wait for worker threads to terminate */
pool->stopping = true;
pool->max_threads = 0;
qemu_cond_broadcast(&pool->request_cond);
while (pool->cur_threads > 0) {
qemu_cond_wait(&pool->worker_stopped, &pool->lock);