Add EXPERIMENTAL Coroutines support

[simgrid.git] / src / jmsg_task.c

diff --git a/src/jmsg_task.c b/src/jmsg_task.c
index 6c48518..b758464 100644 (file)
--- a/src/jmsg_task.c
+++ b/src/jmsg_task.c
@@ -48,16 +48,15 @@ Java_org_simgrid_msg_Task_nativeInit(JNIEnv *env, jclass cls) {
        jclass jtask_class_Task = (*env)->FindClass(env, "org/simgrid/msg/Task");
 
        jtask_method_Comm_constructor = (*env)->GetMethodID(env, jtask_class_Comm, "<init>", "()V");
-       //FIXME: Don't use jxbt_get_sfield directly, it is slower.
-       jtask_field_Task_bind = jxbt_get_sfield(env, "org/simgrid/msg/Task", "bind", "J");
+       jtask_field_Task_bind = jxbt_get_jfield(env, jtask_class_Task, "bind", "J");
        jtask_field_Task_name = jxbt_get_jfield(env, jtask_class_Task, "name", "Ljava/lang/String;");
-       jtask_field_Comm_bind = jxbt_get_sfield(env, "org/simgrid/msg/Comm", "bind", "J");
-       jtask_field_Comm_taskBind = jxbt_get_sfield(env, "org/simgrid/msg/Comm", "taskBind", "J");
-       jtask_field_Comm_receiving = jxbt_get_sfield(env, "org/simgrid/msg/Comm", "receiving", "Z");
+       jtask_field_Comm_bind = jxbt_get_jfield(env, jtask_class_Comm, "bind", "J");
+       jtask_field_Comm_taskBind = jxbt_get_jfield(env, jtask_class_Comm, "taskBind", "J");
+       jtask_field_Comm_receiving = jxbt_get_jfield(env, jtask_class_Comm, "receiving", "Z");
        if (!jtask_field_Task_bind || !jtask_class_Task || !jtask_field_Comm_bind || !jtask_field_Comm_taskBind ||
                  !jtask_field_Comm_receiving || !jtask_method_Comm_constructor) {
                        jxbt_throw_native(env,bprintf("Can't find some fields in Java class."));
-                 }
+       }
 }
 
 JNIEXPORT void JNICALL
@@ -368,10 +367,10 @@ Java_org_simgrid_msg_Task_send(JNIEnv * env,jobject jtask,
 
   (*env)->ReleaseStringUTFChars(env, jalias, alias);
 
-  jxbt_check_res("MSG_task_send_with_timeout()", rv,
-                 MSG_HOST_FAILURE | MSG_TRANSFER_FAILURE | MSG_TIMEOUT,
-                 bprintf("while sending task %s to mailbox %s",
-                         MSG_task_get_name(task), alias));
+  if (rv != MSG_OK) {
+       jmsg_throw_status(env, rv);
+       return;
+  }
 }
 
 JNIEXPORT void JNICALL
@@ -411,7 +410,9 @@ Java_org_simgrid_msg_Task_receive(JNIEnv * env, jclass cls,
                                        jobject jhost)
 {
   MSG_error_t rv;
-  m_task_t task = NULL;
+  m_task_t *task = xbt_new(m_task_t,1);
+  *task = NULL;
+
   m_host_t host = NULL;
   jobject jtask_global, jtask_local;
   const char *alias;
@@ -427,36 +428,26 @@ Java_org_simgrid_msg_Task_receive(JNIEnv * env, jclass cls,
 
   alias = (*env)->GetStringUTFChars(env, jalias, 0);
   TRY {
-       rv = MSG_task_receive_ext(&task, alias, (double) jtimeout, host);
+       rv = MSG_task_receive_ext(task, alias, (double) jtimeout, host);
   }
   CATCH_ANONYMOUS {
        return NULL;
   }
   if (rv != MSG_OK) {
-       switch (rv) {
-               case MSG_TIMEOUT:
-                       jxbt_throw_time_out_failure(env,NULL);
-               break;
-               case MSG_TRANSFER_FAILURE:
-                       jxbt_throw_transfer_failure(env,NULL);
-               break;
-               case MSG_HOST_FAILURE:
-                       jxbt_throw_host_failure(env,NULL);
-               break;
-               default:
-                       jxbt_throw_native(env,bprintf("receive failed"));
-       }
+       jmsg_throw_status(env,rv);
        return NULL;
   }
-  jtask_global = MSG_task_get_data(task);
+  jtask_global = MSG_task_get_data(*task);
 
   /* Convert the global ref into a local ref so that the JVM can free the stuff */
   jtask_local = (*env)->NewLocalRef(env, jtask_global);
   (*env)->DeleteGlobalRef(env, jtask_global);
-  MSG_task_set_data(task, NULL);
+  MSG_task_set_data(*task, NULL);
 
   (*env)->ReleaseStringUTFChars(env, jalias, alias);
 
+  xbt_free(task);
+
   jxbt_check_res("MSG_task_receive_ext()", rv,
                  MSG_HOST_FAILURE | MSG_TRANSFER_FAILURE | MSG_TIMEOUT,
                  bprintf("while receiving from mailbox %s", alias));