-/* Copyright (c) 2010-2015. The SimGrid Team.
- * All rights reserved. */
+/* Copyright (c) 2010-2016. The SimGrid Team. All rights reserved. */
/* This program is free software; you can redistribute it and/or modify it
* under the terms of the license (GNU LGPL) which comes with this package. */
XBT_LOG_NEW_DEFAULT_CATEGORY(msg_async_waitall, "Messages specific for this msg example");
-/** @addtogroup MSG_examples
- *
- * - <b>Wait all: async-waitall/async-waitall.c</b>. Illustrates the use of the @ref MSG_comm_waitall function.
- */
-
static int sender(int argc, char *argv[])
{
+ xbt_assert(argc==5,"This function expects 4 parameters from the XML deployment file");
long number_of_tasks = xbt_str_parse_int(argv[1], "Invalid amount of tasks: %s");
double task_comp_size = xbt_str_parse_double(argv[2], "Invalid computational size: %s");
double task_comm_size = xbt_str_parse_double(argv[3], "Invalid communication size: %s");
long receivers_count = xbt_str_parse_int(argv[4], "Invalid amount of receivers: %s");
msg_comm_t *comm = xbt_new(msg_comm_t, number_of_tasks + receivers_count);
- int i;
- msg_task_t task = NULL;
- for (i = 0; i < number_of_tasks; i++) {
- char mailbox[256];
- char sprintf_buffer[256];
- sprintf(mailbox, "receiver-%ld", i % receivers_count);
- sprintf(sprintf_buffer, "Task_%d", i);
- task = MSG_task_create(sprintf_buffer, task_comp_size, task_comm_size, NULL);
+ for (int i = 0; i < number_of_tasks; i++) {
+ char mailbox[80];
+ char taskname[80];
+ snprintf(mailbox,79, "receiver-%ld", i % receivers_count);
+ snprintf(taskname,79, "Task_%d", i);
+ msg_task_t task = MSG_task_create(taskname, task_comp_size, task_comm_size, NULL);
comm[i] = MSG_task_isend(task, mailbox);
XBT_INFO("Send to receiver-%ld Task_%d", i % receivers_count, i);
}
- for (i = 0; i < receivers_count; i++) {
+ for (int i = 0; i < receivers_count; i++) {
char mailbox[80];
- sprintf(mailbox, "receiver-%ld", i % receivers_count);
- task = MSG_task_create("finalize", 0, 0, 0);
+ snprintf(mailbox,79, "receiver-%ld", i % receivers_count);
+ msg_task_t task = MSG_task_create("finalize", 0, 0, 0);
comm[i + number_of_tasks] = MSG_task_isend(task, mailbox);
XBT_INFO("Send to receiver-%ld finalize", i % receivers_count);
}
/* Here we are waiting for the completion of all communications */
MSG_comm_waitall(comm, (number_of_tasks + receivers_count), -1);
- for (i = 0; i < number_of_tasks + receivers_count; i++)
+ for (int i = 0; i < number_of_tasks + receivers_count; i++)
MSG_comm_destroy(comm[i]);
XBT_INFO("Goodbye now!");
static int receiver(int argc, char *argv[])
{
- msg_task_t task = NULL;
- XBT_ATTRIB_UNUSED msg_error_t res;
- int id = -1;
+ xbt_assert(argc==2,"This function expects 1 parameter from the XML deployment file");
+ int id = xbt_str_parse_int(argv[1], "Any process of this example must have a numerical name, not %s");
+
char mailbox[80];
- msg_comm_t res_irecv;
- XBT_ATTRIB_UNUSED int read;
- read = sscanf(argv[1], "%d", &id);
- xbt_assert(read, "Invalid argument %s\n", argv[1]);
+ snprintf(mailbox,79, "receiver-%d", id);
+
MSG_process_sleep(10);
- sprintf(mailbox, "receiver-%d", id);
while (1) {
- res_irecv = MSG_task_irecv(&(task), mailbox);
XBT_INFO("Wait to receive a task");
- res = MSG_comm_wait(res_irecv, -1);
- MSG_comm_destroy(res_irecv);
+ msg_task_t task = NULL;
+ msg_comm_t comm = MSG_task_irecv(&task, mailbox);
+ msg_error_t res = MSG_comm_wait(comm, -1);
xbt_assert(res == MSG_OK, "MSG_task_get failed");
+ MSG_comm_destroy(comm);
XBT_INFO("Received \"%s\"", MSG_task_get_name(task));
- if (!strcmp(MSG_task_get_name(task), "finalize")) {
+ if (strcmp(MSG_task_get_name(task), "finalize") == 0) {
MSG_task_destroy(task);
break;
}
MSG_task_execute(task);
XBT_INFO("\"%s\" done", MSG_task_get_name(task));
MSG_task_destroy(task);
- task = NULL;
}
XBT_INFO("I'm done. See you!");
return 0;
int main(int argc, char *argv[])
{
- msg_error_t res = MSG_OK;
-
MSG_init(&argc, argv);
xbt_assert(argc > 2, "Usage: %s platform_file deployment_file\n"
"\tExample: %s msg_platform.xml msg_deployment.xml\n", argv[0], argv[0]);
MSG_function_register("receiver", receiver);
MSG_launch_application(argv[2]);
- res = MSG_main();
+ msg_error_t res = MSG_main();
XBT_INFO("Simulation time %g", MSG_get_clock());