forked from enlightenment/enlightenment
make xwl data offer writing async
I foolishly thought this was an impossibly rare deadlock condition fix T6454
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b95e28fd91
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563fc94494
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@ -262,11 +262,42 @@ _xwl_fixes_selection_notify(void *d EINA_UNUSED, int t EINA_UNUSED, Ecore_X_Even
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return ECORE_CALLBACK_RENEW;
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}
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typedef struct Xfer_Data
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{
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EINA_INLIST;
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Eina_Binbuf *buf;
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Eina_Bool xdnd E_BITFIELD;
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unsigned int offset;
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Ecore_Fd_Handler *fdh;
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} Xfer_Data;
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static Eina_Inlist *xfer_data_list;
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static Eina_Bool
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_xfer_data_write(Xfer_Data *xd, Ecore_Fd_Handler *fdh)
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{
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int fd = ecore_main_fd_handler_fd_get(fdh);
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xd->offset += write(fd, eina_binbuf_string_get(xd->buf) + xd->offset, eina_binbuf_length_get(xd->buf) - xd->offset);
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if (xd->offset == eina_binbuf_length_get(xd->buf))
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{
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if (xd->xdnd)
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_xdnd_finish(1);
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close(fd);
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ecore_main_fd_handler_del(fdh);
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_xwayland_dnd_finish();
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eina_binbuf_free(xd->buf);
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xfer_data_list = eina_inlist_remove(xfer_data_list, EINA_INLIST_GET(xd));
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free(xd);
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return EINA_FALSE;
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}
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return EINA_TRUE;
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}
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static Eina_Bool
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_xwl_selection_notify(void *d EINA_UNUSED, int t EINA_UNUSED, Ecore_X_Event_Selection_Notify *ev)
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{
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Ecore_X_Selection_Data *sd;
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int wrote = 0;
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Xfer_Data *xd;
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DBG("XWL SELECTION NOTIFY");
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if ((ev->selection != ECORE_X_SELECTION_XDND) && (ev->selection != ECORE_X_SELECTION_CLIPBOARD))
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@ -308,16 +339,15 @@ _xwl_selection_notify(void *d EINA_UNUSED, int t EINA_UNUSED, Ecore_X_Event_Sele
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}
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if (ev->property != xwl_dnd_atom) return ECORE_CALLBACK_RENEW;
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sd = ev->data;
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xd = E_NEW(Xfer_Data, 1);
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/* steal event data */
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xd->buf = eina_binbuf_manage_new(eina_memdup(sd->data, sd->length, 0), sd->length, EINA_FALSE);
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xd->xdnd = ev->selection == ECORE_X_SELECTION_XDND;
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do
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{
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wrote += write(cur_fd, sd->data, sd->length);
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} while (wrote < sd->length);
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if (ev->selection == ECORE_X_SELECTION_XDND)
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_xdnd_finish(1);
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close(cur_fd);
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xd->fdh = ecore_main_fd_handler_add(cur_fd, ECORE_FD_WRITE, (void*)_xfer_data_write, xd, NULL, NULL);
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xfer_data_list = eina_inlist_append(xfer_data_list, EINA_INLIST_GET(xd));
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cur_fd = -1;
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_xwayland_dnd_finish();
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return ECORE_CALLBACK_RENEW;
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}
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@ -472,6 +502,17 @@ dnd_init(void)
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EINTERN void
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dnd_shutdown(void)
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{
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Xfer_Data *xd;
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E_FREE_LIST(handlers, ecore_event_handler_del);
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E_FREE_FUNC(pipes, eina_hash_free);
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while (xfer_data_list)
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{
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xd = EINA_INLIST_CONTAINER_GET(xfer_data_list, Xfer_Data);
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xfer_data_list = eina_inlist_remove(xfer_data_list, xfer_data_list);
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close(ecore_main_fd_handler_fd_get(xd->fdh));
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ecore_main_fd_handler_del(xd->fdh);
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eina_binbuf_free(xd->buf);
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free(xd);
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}
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}
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