X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=workqueue.c;h=b59595124913338bc59dc20fb6a036c895b4f1f1;hp=4f9c414ac1195927789d6f18f423f5ec00bacf1e;hb=ad4e92984ec2d92b18abede6cfbf8ef7f353d77a;hpb=a47591e4923fb8faef18e1cd5125a50429282089 diff --git a/workqueue.c b/workqueue.c index 4f9c414a..b5959512 100644 --- a/workqueue.c +++ b/workqueue.c @@ -10,14 +10,14 @@ #include "flist.h" #include "workqueue.h" #include "smalloc.h" +#include "pshared.h" enum { SW_F_IDLE = 1 << 0, SW_F_RUNNING = 1 << 1, SW_F_EXIT = 1 << 2, - SW_F_EXITED = 1 << 3, - SW_F_ACCOUNTED = 1 << 4, - SW_F_ERROR = 1 << 5, + SW_F_ACCOUNTED = 1 << 3, + SW_F_ERROR = 1 << 4, }; static struct submit_worker *__get_submit_worker(struct workqueue *wq, @@ -97,7 +97,7 @@ void workqueue_flush(struct workqueue *wq) } /* - * Must be serialized by caller. Returns true for queued, false for busy. + * Must be serialized by caller. */ void workqueue_enqueue(struct workqueue *wq, struct workqueue_work *work) { @@ -110,9 +110,9 @@ void workqueue_enqueue(struct workqueue *wq, struct workqueue_work *work) flist_add_tail(&work->list, &sw->work_list); sw->seq = ++wq->work_seq; sw->flags &= ~SW_F_IDLE; - pthread_mutex_unlock(&sw->lock); pthread_cond_signal(&sw->cond); + pthread_mutex_unlock(&sw->lock); } static void handle_list(struct submit_worker *sw, struct flist_head *list) @@ -131,7 +131,7 @@ static void *worker_thread(void *data) { struct submit_worker *sw = data; struct workqueue *wq = sw->wq; - unsigned int eflags = 0, ret = 0; + unsigned int ret = 0; FLIST_HEAD(local_list); sk_out_assign(sw->sk_out); @@ -190,8 +190,6 @@ static void *worker_thread(void *data) if (wq->wake_idle) pthread_cond_signal(&wq->flush_cond); } - if (wq->ops.update_acct_fn) - wq->ops.update_acct_fn(sw); pthread_cond_wait(&sw->cond, &sw->lock); } else { @@ -200,15 +198,11 @@ handle_work: } pthread_mutex_unlock(&sw->lock); handle_list(sw, &local_list); + if (wq->ops.update_acct_fn) + wq->ops.update_acct_fn(sw); } - if (wq->ops.update_acct_fn) - wq->ops.update_acct_fn(sw); - done: - pthread_mutex_lock(&sw->lock); - sw->flags |= (SW_F_EXITED | eflags); - pthread_mutex_unlock(&sw->lock); sk_out_drop(); return NULL; } @@ -278,8 +272,11 @@ static int start_worker(struct workqueue *wq, unsigned int index, int ret; INIT_FLIST_HEAD(&sw->work_list); - pthread_cond_init(&sw->cond, NULL); - pthread_mutex_init(&sw->lock, NULL); + + ret = mutex_cond_init_pshared(&sw->lock, &sw->cond); + if (ret) + return ret; + sw->wq = wq; sw->index = index; sw->sk_out = sk_out; @@ -308,17 +305,24 @@ int workqueue_init(struct thread_data *td, struct workqueue *wq, { unsigned int running; int i, error; + int ret; wq->max_workers = max_workers; wq->td = td; wq->ops = *ops; wq->work_seq = 0; wq->next_free_worker = 0; - pthread_cond_init(&wq->flush_cond, NULL); - pthread_mutex_init(&wq->flush_lock, NULL); - pthread_mutex_init(&wq->stat_lock, NULL); + + ret = mutex_cond_init_pshared(&wq->flush_lock, &wq->flush_cond); + if (ret) + goto err; + ret = mutex_init_pshared(&wq->stat_lock); + if (ret) + goto err; wq->workers = smalloc(wq->max_workers * sizeof(struct submit_worker)); + if (!wq->workers) + goto err; for (i = 0; i < wq->max_workers; i++) if (start_worker(wq, i, sk_out))