X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/4263281a2286d2509215da95b78d72ad3cbbc6ed..bff077b4621c68455a86e60292cb0bf872a879d5:/src/smpi/smpi_base.c

diff --git a/src/smpi/smpi_base.c b/src/smpi/smpi_base.c
index 3fcfc254b1..c119790d33 100644
--- a/src/smpi/smpi_base.c
+++ b/src/smpi/smpi_base.c
@@ -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;