167    struct sim_syncobj *syncobj = calloc(1, sizeof(*syncobj));  in sim_syncobj_create()  local
168    if (!syncobj)  in sim_syncobj_create()
171    mtx_init(&syncobj->mutex, mtx_plain);  in sim_syncobj_create()
172    syncobj->pending_fd = -1;  in sim_syncobj_create()
202                            (const void *)(uintptr_t)syncobj_handle, syncobj);  in sim_syncobj_create()
212    struct sim_syncobj *syncobj = NULL;  in sim_syncobj_destroy()  local
219       syncobj = entry->data;  in sim_syncobj_destroy()
226    if (syncobj) {  in sim_syncobj_destroy()
227       if (syncobj->pending_fd >= 0)  in sim_syncobj_destroy()
228          close(syncobj->pending_fd);  in sim_syncobj_destroy()
229       mtx_destroy(&syncobj->mutex);  in sim_syncobj_destroy()
230       free(syncobj);  in sim_syncobj_destroy()
255 sim_syncobj_set_point_locked(struct sim_syncobj *syncobj, uint64_t point)  in sim_syncobj_set_point_locked()  argument
257    syncobj->point = point;  in sim_syncobj_set_point_locked()
259    if (syncobj->pending_fd >= 0) {  in sim_syncobj_set_point_locked()
260       close(syncobj->pending_fd);  in sim_syncobj_set_point_locked()
261       syncobj->pending_fd = -1;  in sim_syncobj_set_point_locked()
262       syncobj->pending_point = point;  in sim_syncobj_set_point_locked()
267 sim_syncobj_update_point_locked(struct sim_syncobj *syncobj, int poll_timeout)  in sim_syncobj_update_point_locked()  argument
269    if (syncobj->pending_fd >= 0) {  in sim_syncobj_update_point_locked()
271       if (syncobj->pending_cpu) {  in sim_syncobj_update_point_locked()
275             result = sim_syncobj_poll(syncobj->pending_fd, poll_timeout);  in sim_syncobj_update_point_locked()
282             result = sim_syncobj_poll(syncobj->pending_fd, poll_timeout);  in sim_syncobj_update_point_locked()
285          result = sim_syncobj_poll(syncobj->pending_fd, poll_timeout);  in sim_syncobj_update_point_locked()
288          close(syncobj->pending_fd);  in sim_syncobj_update_point_locked()
289          syncobj->pending_fd = -1;  in sim_syncobj_update_point_locked()
290          syncobj->point = syncobj->pending_point;  in sim_syncobj_update_point_locked()
298    struct sim_syncobj *syncobj = NULL;  in sim_syncobj_lookup()  local
304       syncobj = entry->data;  in sim_syncobj_lookup()
307    return syncobj;  in sim_syncobj_lookup()
313    struct sim_syncobj *syncobj = sim_syncobj_lookup(gpu, syncobj_handle);  in sim_syncobj_reset()  local
314    if (!syncobj)  in sim_syncobj_reset()
317    mtx_lock(&syncobj->mutex);  in sim_syncobj_reset()
318    sim_syncobj_set_point_locked(syncobj, 0);  in sim_syncobj_reset()
319    mtx_unlock(&syncobj->mutex);  in sim_syncobj_reset()
329    struct sim_syncobj *syncobj = sim_syncobj_lookup(gpu, syncobj_handle);  in sim_syncobj_query()  local
330    if (!syncobj)  in sim_syncobj_query()
333    mtx_lock(&syncobj->mutex);  in sim_syncobj_query()
334    sim_syncobj_update_point_locked(syncobj, 0);  in sim_syncobj_query()
335    *point = syncobj->point;  in sim_syncobj_query()
336    mtx_unlock(&syncobj->mutex);  in sim_syncobj_query()
346    struct sim_syncobj *syncobj = sim_syncobj_lookup(gpu, syncobj_handle);  in sim_syncobj_signal()  local
347    if (!syncobj)  in sim_syncobj_signal()
350    mtx_lock(&syncobj->mutex);  in sim_syncobj_signal()
351    sim_syncobj_set_point_locked(syncobj, point);  in sim_syncobj_signal()
352    mtx_unlock(&syncobj->mutex);  in sim_syncobj_signal()
364    struct sim_syncobj *syncobj = sim_syncobj_lookup(gpu, syncobj_handle);  in sim_syncobj_submit()  local
365    if (!syncobj)  in sim_syncobj_submit()
374    mtx_lock(&syncobj->mutex);  in sim_syncobj_submit()
376    if (syncobj->pending_fd >= 0) {  in sim_syncobj_submit()
377       mtx_unlock(&syncobj->mutex);  in sim_syncobj_submit()
384    if (syncobj->point >= point)  in sim_syncobj_submit()
387    syncobj->pending_fd = pending_fd;  in sim_syncobj_submit()
388    syncobj->pending_point = point;  in sim_syncobj_submit()
389    syncobj->pending_cpu = cpu;  in sim_syncobj_submit()
391    mtx_unlock(&syncobj->mutex);  in sim_syncobj_submit()
421       struct sim_syncobj *syncobj =  in sim_syncobj_wait()  local
423       if (!syncobj)  in sim_syncobj_wait()
426       mtx_lock(&syncobj->mutex);  in sim_syncobj_wait()
428       if (syncobj->point < point)  in sim_syncobj_wait()
429          sim_syncobj_update_point_locked(syncobj, poll_timeout);  in sim_syncobj_wait()
431       if (syncobj->point < point) {  in sim_syncobj_wait()
433              syncobj->pending_fd < 0) {  in sim_syncobj_wait()
434             mtx_unlock(&syncobj->mutex);  in sim_syncobj_wait()
438          mtx_unlock(&syncobj->mutex);  in sim_syncobj_wait()
442       mtx_unlock(&syncobj->mutex);  in sim_syncobj_wait()
456    struct sim_syncobj *syncobj = sim_syncobj_lookup(gpu, syncobj_handle);  in sim_syncobj_export()  local
457    if (!syncobj)  in sim_syncobj_export()
461    mtx_lock(&syncobj->mutex);  in sim_syncobj_export()
462    if (syncobj->pending_fd >= 0)  in sim_syncobj_export()
463       fd = dup(syncobj->pending_fd);  in sim_syncobj_export()
466    mtx_unlock(&syncobj->mutex);  in sim_syncobj_export()
474    struct sim_syncobj *syncobj = sim_syncobj_lookup(gpu, syncobj_handle);  in sim_syncobj_import()  local
475    if (!syncobj)  in sim_syncobj_import()