1 /* Copyright (c) 2010-2017. The SimGrid Team. All rights reserved. */
3 /* This program is free software; you can redistribute it and/or modify it
4 * under the terms of the license (GNU LGPL) which comes with this package. */
6 /**************** Shared buffer between asynchronous receives *****************/
7 /* Server process assumes that the data from the second communication comm2 */
8 /* will overwrite the one from the first communication, because of the order */
9 /* of the wait calls. This is not true because data copy can be triggered by */
10 /* a call to wait on the other end of the communication (client). */
11 /* NOTE that the communications use different mailboxes, but they share the */
12 /* same buffer for reception (task1). */
13 /******************************************************************************/
15 #include <simgrid/msg.h>
16 #include <simgrid/modelchecker.h>
18 XBT_LOG_NEW_DEFAULT_CATEGORY(bugged3, "this example");
21 static int server(int argc, char *argv[])
23 msg_task_t task1 = NULL;
24 msg_task_t task2 = NULL;
26 msg_comm_t comm1 = MSG_task_irecv(&task1, "mymailbox1");
27 msg_comm_t comm2 = MSG_task_irecv(&task2, "mymailbox2");
28 MSG_comm_wait(comm1, -1);
29 MSG_comm_wait(comm2, -1);
31 long val1 = xbt_str_parse_int(MSG_task_get_name(task1), "Task name is not a numerical ID: %s");
32 XBT_INFO("Received %lu", val1);
40 static int client(int argc, char *argv[])
42 msg_task_t task1 = MSG_task_create(argv[1], 0, 10000, NULL);
44 char *mbox = bprintf("mymailbox%s", argv[1]);
46 XBT_INFO("Send %s!", argv[1]);
47 msg_comm_t comm = MSG_task_isend(task1, mbox);
48 MSG_comm_wait(comm, -1);
55 int main(int argc, char *argv[])
57 MSG_init(&argc, argv);
59 MSG_create_environment("platform.xml");
61 MSG_function_register("server", server);
62 MSG_function_register("client", client);
63 MSG_launch_application("deploy_bugged3.xml");