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Do connect all log channel manually to parent using XBT_LOG_CONNECT() too, so that...
[simgrid.git] / src / smpi / smpi_base.c
index 3fcfc25..c119790 100644 (file)
@@ -43,6 +43,16 @@ void smpi_mpi_init()
        int i;
        smpi_host_data_t hdata;
 
+   /* Connect our log channels: that must be done manually under windows */
+   /* (should be done only once, not for each process) */
+   XBT_LOG_CONNECT(smpi_base, smpi);
+   XBT_LOG_CONNECT(smpi_bench, smpi);
+   XBT_LOG_CONNECT(smpi_kernel, smpi);
+   XBT_LOG_CONNECT(smpi_mpi, smpi);
+   XBT_LOG_CONNECT(smpi_receiver, smpi);
+   XBT_LOG_CONNECT(smpi_sender, smpi);
+   XBT_LOG_CONNECT(smpi_util, smpi);
+   
        SIMIX_mutex_lock(smpi_global->running_hosts_count_mutex);
        smpi_global->running_hosts_count++;
        SIMIX_mutex_unlock(smpi_global->running_hosts_count_mutex);
@@ -57,6 +67,8 @@ void smpi_mpi_init()
        for (i = 0; i < host_count && host != hosts[i]; i ++);
 
        hdata->index = i;
+       hdata->mutex = SIMIX_mutex_init();
+       hdata->cond  = SIMIX_cond_init();
 
        SIMIX_host_set_data(host, hdata);
 
@@ -115,11 +127,12 @@ void smpi_mpi_init()
        // wait for all nodes to signal initializatin complete
        SIMIX_mutex_lock(smpi_global->start_stop_mutex);
        smpi_global->ready_process_count++;
-       if (smpi_global->ready_process_count < 3 * host_count) {
-               SIMIX_cond_wait(smpi_global->start_stop_cond, smpi_global->start_stop_mutex);
-       } else {
+       if (smpi_global->ready_process_count >= 3 * host_count) {
                SIMIX_cond_broadcast(smpi_global->start_stop_cond);
        }
+       while (smpi_global->ready_process_count < 3 * host_count) {
+               SIMIX_cond_wait(smpi_global->start_stop_cond, smpi_global->start_stop_mutex);
+       }
        SIMIX_mutex_unlock(smpi_global->start_stop_mutex);
 
        return;
@@ -137,6 +150,9 @@ void smpi_mpi_finalize()
        smpi_global->ready_process_count--;
        SIMIX_mutex_unlock(smpi_global->start_stop_mutex);
 
+       SIMIX_mutex_destroy(smpi_host_mutex());
+       SIMIX_cond_destroy(smpi_host_cond());
+
        if (0 >= i) {
 
                // wake up senders/receivers
@@ -170,12 +186,15 @@ int smpi_mpi_barrier(smpi_mpi_communicator_t comm)
 {
 
        SIMIX_mutex_lock(comm->barrier_mutex);
-       if(++comm->barrier_count < comm->size) {
-               SIMIX_cond_wait(comm->barrier_cond, comm->barrier_mutex);
-       } else {
+       ++comm->barrier_count;
+       if (comm->barrier_count > comm->size) { // only happens on second barrier...
                comm->barrier_count = 0;
+       } else if (comm->barrier_count == comm->size) {
                SIMIX_cond_broadcast(comm->barrier_cond);
        }
+       while (comm->barrier_count < comm->size) {
+               SIMIX_cond_wait(comm->barrier_cond, comm->barrier_mutex);
+       }
        SIMIX_mutex_unlock(comm->barrier_mutex);
 
        return MPI_SUCCESS;