+ return exec->get_remaining_ratio();
+}
+
+void sg_exec_start(sg_exec_t exec)
+{
+ exec->start();
+}
+
+void sg_exec_cancel(sg_exec_t exec)
+{
+ exec->cancel();
+ exec->unref();
+}
+
+int sg_exec_test(sg_exec_t exec)
+{
+ bool finished = exec->test();
+ if (finished)
+ exec->unref();
+ return finished;
+}
+
+sg_error_t sg_exec_wait(sg_exec_t exec)
+{
+ sg_error_t status = SG_OK;
+
+ try {
+ exec->wait_for(-1);
+ } catch (const simgrid::TimeoutException&) {
+ status = SG_ERROR_TIMEOUT;
+ } catch (const simgrid::CancelException&) {
+ status = SG_ERROR_CANCELED;
+ } catch (const simgrid::HostFailureException&) {
+ status = SG_ERROR_HOST;
+ }
+ exec->unref();
+ return status;
+}
+
+sg_error_t sg_exec_wait_for(sg_exec_t exec, double timeout)
+{
+ sg_error_t status = SG_OK;
+ try {
+ exec->wait_for(timeout);
+ } catch (const simgrid::TimeoutException&) {
+ status = SG_ERROR_TIMEOUT;
+ } catch (const simgrid::CancelException&) {
+ status = SG_ERROR_CANCELED;
+ } catch (const simgrid::HostFailureException&) {
+ status = SG_ERROR_HOST;
+ }
+ exec->unref();
+ return status;