1 /* Copyright (c) 2012. The SimGrid Team.
2 * All rights reserved. */
4 /* This program is free software; you can redistribute it and/or modify it
5 * under the terms of the license (GNU LGPL) which comes with this package. */
8 /**************** Shared buffer between asynchronous receives *****************/
9 /* Server process assumes that the data from the second communication comm2 */
10 /* will overwrite the one from the first communication, because of the order */
11 /* of the wait calls. This is not true because data copy can be triggered by */
12 /* a call to wait on the other end of the communication (client). */
13 /* NOTE that the communications use different mailboxes, but they share the */
14 /* same buffer for reception (task1). */
15 /******************************************************************************/
18 #include <simgrid/modelchecker.h>
20 XBT_LOG_NEW_DEFAULT_CATEGORY(bugged3, "this example");
22 int server(int argc, char *argv[]);
23 int client(int argc, char *argv[]);
25 int server(int argc, char *argv[])
29 msg_comm_t comm1, comm2;
31 comm1 = MSG_task_irecv(&task1, "mymailbox1");
32 comm2 = MSG_task_irecv(&task1, "mymailbox2");
33 MSG_comm_wait(comm1, -1);
34 MSG_comm_wait(comm2, -1);
36 val1 = (long) MSG_task_get_data(task1);
37 XBT_INFO("Received %lu", val1);
45 int client(int argc, char *argv[])
50 MSG_task_create("task", 0, 10000, (void *) atol(argv[1]));
52 mbox = bprintf("mymailbox%s", argv[1]);
54 XBT_INFO("Send %d!", atoi(argv[1]));
55 comm = MSG_task_isend(task1, mbox);
56 MSG_comm_wait(comm, -1);
63 int main(int argc, char *argv[])
65 MSG_init(&argc, argv);
67 MSG_create_environment("platform.xml");
69 MSG_function_register("server", server);
71 MSG_function_register("client", client);
73 MSG_launch_application("deploy_bugged3.xml");