X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/d646afc27bd30c899d16957194bd9645a72502d4..ab1a94e98438ed2d29533aca9e613d667237c3d0:/src/smpi/smpi_rma.cpp

diff --git a/src/smpi/smpi_rma.cpp b/src/smpi/smpi_rma.cpp
index 0514b83280..039676f095 100644
--- a/src/smpi/smpi_rma.cpp
+++ b/src/smpi/smpi_rma.cpp
@@ -11,7 +11,7 @@ XBT_LOG_NEW_DEFAULT_SUBCATEGORY(smpi_rma, smpi, "Logging specific to SMPI (RMA o
 
 #define RMA_TAG -1234
 
-xbt_bar_t creation_bar = NULL;
+xbt_bar_t creation_bar = nullptr;
 
 typedef struct s_smpi_mpi_win{
   void* base;
@@ -45,17 +45,16 @@ MPI_Win smpi_mpi_win_create( void *base, MPI_Aint size, int disp_unit, MPI_Info
   if(info!=MPI_INFO_NULL)
     info->refcount++;
   win->comm = comm;
-  win->name = NULL;
+  win->name = nullptr;
   win->opened = 0;
   win->group = MPI_GROUP_NULL;
-  win->requests = xbt_dynar_new(sizeof(MPI_Request), NULL);
+  win->requests = xbt_dynar_new(sizeof(MPI_Request), nullptr);
   win->connected_wins = xbt_new0(MPI_Win, comm_size);
   win->connected_wins[rank] = win;
 
   if(rank==0){
     win->bar=xbt_barrier_init(comm_size);
   }
-
   mpi_coll_allgather_fun(&(win->connected_wins[rank]), sizeof(MPI_Win), MPI_BYTE, win->connected_wins, sizeof(MPI_Win),
                          MPI_BYTE, comm);
 
@@ -71,41 +70,45 @@ int smpi_mpi_win_free( MPI_Win* win){
   xbt_barrier_wait((*win)->bar);
   xbt_dynar_free(&(*win)->requests);
   xbt_free((*win)->connected_wins);
-  if ((*win)->name != NULL){
+  if ((*win)->name != nullptr){
     xbt_free((*win)->name);
   }
   if((*win)->info!=MPI_INFO_NULL){
     MPI_Info_free(&(*win)->info);
   }
+
+  mpi_coll_barrier_fun((*win)->comm);
+  int rank=smpi_comm_rank((*win)->comm);
+  if(rank == 0)
+    xbt_barrier_destroy((*win)->bar);
   xbt_free(*win);
   *win = MPI_WIN_NULL;
   return MPI_SUCCESS;
 }
 
 void smpi_mpi_win_get_name(MPI_Win win, char* name, int* length){
-  if(win->name==NULL){
+  if(win->name==nullptr){
     *length=0;
-    name=NULL;
+    name=nullptr;
     return;
   }
   *length = strlen(win->name);
-  strcpy(name, win->name);
+  strncpy(name, win->name, *length+1);
 }
 
 void smpi_mpi_win_get_group(MPI_Win win, MPI_Group* group){
   if(win->comm != MPI_COMM_NULL){
     *group = smpi_comm_group(win->comm);
-    smpi_group_use(*group);
   }
 }
 
 void smpi_mpi_win_set_name(MPI_Win win, char* name){
-  win->name = xbt_strdup(name);;
+  win->name = xbt_strdup(name);
 }
 
 int smpi_mpi_win_fence( int assert,  MPI_Win win){
   XBT_DEBUG("Entering fence");
-  if(!win->opened)
+  if(win->opened==0)
     win->opened=1;
   if(assert != MPI_MODE_NOPRECEDE){
     xbt_barrier_wait(win->bar);
@@ -116,11 +119,12 @@ int smpi_mpi_win_fence( int assert,  MPI_Win win){
     MPI_Request req;
     // start all requests that have been prepared by another process
     xbt_dynar_foreach(reqs, cpt, req){
-      if (req->flags & PREPARED) smpi_mpi_start(req);
+      if (req->flags & PREPARED) 
+        smpi_mpi_start(req);
     }
 
     MPI_Request* treqs = static_cast<MPI_Request*>(xbt_dynar_to_array(reqs));
-    win->requests=xbt_dynar_new(sizeof(MPI_Request), NULL);
+    win->requests=xbt_dynar_new(sizeof(MPI_Request), nullptr);
     smpi_mpi_waitall(size,treqs,MPI_STATUSES_IGNORE);
     xbt_free(treqs);
 
@@ -136,12 +140,12 @@ int smpi_mpi_win_fence( int assert,  MPI_Win win){
 int smpi_mpi_put( void *origin_addr, int origin_count, MPI_Datatype origin_datatype, int target_rank,
               MPI_Aint target_disp, int target_count, MPI_Datatype target_datatype, MPI_Win win)
 {
-  if(!win->opened)//check that post/start has been done
+  if(win->opened==0)//check that post/start has been done
     return MPI_ERR_WIN;
   //get receiver pointer
   MPI_Win recv_win = win->connected_wins[target_rank];
 
-  void* recv_addr = (void*) ( ((char*)recv_win->base) + target_disp * recv_win->disp_unit);
+  void* recv_addr = static_cast<void*> ( static_cast<char*>(recv_win->base) + target_disp * recv_win->disp_unit);
   XBT_DEBUG("Entering MPI_Put to %d", target_rank);
 
   if(target_rank != smpi_comm_rank(win->comm)){
@@ -171,12 +175,12 @@ int smpi_mpi_put( void *origin_addr, int origin_count, MPI_Datatype origin_datat
 int smpi_mpi_get( void *origin_addr, int origin_count, MPI_Datatype origin_datatype, int target_rank,
               MPI_Aint target_disp, int target_count, MPI_Datatype target_datatype, MPI_Win win)
 {
-  if(!win->opened)//check that post/start has been done
+  if(win->opened==0)//check that post/start has been done
     return MPI_ERR_WIN;
   //get sender pointer
   MPI_Win send_win = win->connected_wins[target_rank];
 
-  void* send_addr = (void*)( ((char*)send_win->base) + target_disp * send_win->disp_unit);
+  void* send_addr = static_cast<void*>(static_cast<char*>(send_win->base) + target_disp * send_win->disp_unit);
   XBT_DEBUG("Entering MPI_Get from %d", target_rank);
 
   if(target_rank != smpi_comm_rank(win->comm)){
@@ -212,13 +216,13 @@ int smpi_mpi_get( void *origin_addr, int origin_count, MPI_Datatype origin_datat
 int smpi_mpi_accumulate( void *origin_addr, int origin_count, MPI_Datatype origin_datatype, int target_rank,
               MPI_Aint target_disp, int target_count, MPI_Datatype target_datatype, MPI_Op op, MPI_Win win)
 {
-  if(!win->opened)//check that post/start has been done
+  if(win->opened==0)//check that post/start has been done
     return MPI_ERR_WIN;
   //FIXME: local version 
   //get receiver pointer
   MPI_Win recv_win = win->connected_wins[target_rank];
 
-  void* recv_addr = (void*)( ((char*)recv_win->base) + target_disp * recv_win->disp_unit);
+  void* recv_addr = static_cast<void*>(static_cast<char*>(recv_win->base) + target_disp * recv_win->disp_unit);
   XBT_DEBUG("Entering MPI_Accumulate to %d", target_rank);
 
     //prepare send_request
@@ -257,11 +261,10 @@ int smpi_mpi_win_start(MPI_Group group, int assert, MPI_Win win){
   int size = smpi_group_size(group);
   MPI_Request* reqs = xbt_new0(MPI_Request, size);
 
-//  for(i=0;i<size;i++){
   while(j!=size){
     int src=smpi_group_index(group,j);
     if(src!=smpi_process_index()){
-      reqs[i]=smpi_irecv_init(NULL, 0, MPI_CHAR, src,RMA_TAG+4, MPI_COMM_WORLD);
+      reqs[i]=smpi_irecv_init(nullptr, 0, MPI_CHAR, src,RMA_TAG+4, MPI_COMM_WORLD);
       i++;
     }
     j++;
@@ -288,7 +291,7 @@ int smpi_mpi_win_post(MPI_Group group, int assert, MPI_Win win){
   while(j!=size){
     int dst=smpi_group_index(group,j);
     if(dst!=smpi_process_index()){
-      reqs[i]=smpi_mpi_send_init(NULL, 0, MPI_CHAR, dst, RMA_TAG+4, MPI_COMM_WORLD);
+      reqs[i]=smpi_mpi_send_init(nullptr, 0, MPI_CHAR, dst, RMA_TAG+4, MPI_COMM_WORLD);
       i++;
     }
     j++;
@@ -310,10 +313,6 @@ int smpi_mpi_win_post(MPI_Group group, int assert, MPI_Win win){
 int smpi_mpi_win_complete(MPI_Win win){
   if(win->opened==0)
     xbt_die("Complete called on already opened MPI_Win");
-//  xbt_barrier_wait(win->bar);
-  //MPI_Comm comm = smpi_comm_new(win->group, NULL);
-  //mpi_coll_barrier_fun(comm);
-  //smpi_comm_destroy(comm);
 
   XBT_DEBUG("Entering MPI_Win_Complete");
   int i=0,j=0;
@@ -323,7 +322,7 @@ int smpi_mpi_win_complete(MPI_Win win){
   while(j!=size){
     int dst=smpi_group_index(win->group,j);
     if(dst!=smpi_process_index()){
-      reqs[i]=smpi_mpi_send_init(NULL, 0, MPI_CHAR, dst, RMA_TAG+5, MPI_COMM_WORLD);
+      reqs[i]=smpi_mpi_send_init(nullptr, 0, MPI_CHAR, dst, RMA_TAG+5, MPI_COMM_WORLD);
       i++;
     }
     j++;
@@ -348,11 +347,12 @@ int smpi_mpi_win_complete(MPI_Win win){
   MPI_Request req;
   // start all requests that have been prepared by another process
   xbt_dynar_foreach(reqqs, cpt, req){
-    if (req->flags & PREPARED) smpi_mpi_start(req);
+    if (req->flags & PREPARED) 
+      smpi_mpi_start(req);
   }
 
   MPI_Request* treqs = static_cast<MPI_Request*>(xbt_dynar_to_array(reqqs));
-  win->requests=xbt_dynar_new(sizeof(MPI_Request), NULL);
+  win->requests=xbt_dynar_new(sizeof(MPI_Request), nullptr);
   smpi_mpi_waitall(size,treqs,MPI_STATUSES_IGNORE);
   xbt_free(treqs);
   smpi_group_unuse(win->group);
@@ -361,21 +361,16 @@ int smpi_mpi_win_complete(MPI_Win win){
 }
 
 int smpi_mpi_win_wait(MPI_Win win){
-//  xbt_barrier_wait(win->bar);
-  //MPI_Comm comm = smpi_comm_new(win->group, NULL);
-  //mpi_coll_barrier_fun(comm);
-  //smpi_comm_destroy(comm);
   //naive, blocking implementation.
   XBT_DEBUG("Entering MPI_Win_Wait");
   int i=0,j=0;
   int size = smpi_group_size(win->group);
   MPI_Request* reqs = xbt_new0(MPI_Request, size);
 
-//  for(i=0;i<size;i++){
   while(j!=size){
     int src=smpi_group_index(win->group,j);
     if(src!=smpi_process_index()){
-      reqs[i]=smpi_irecv_init(NULL, 0, MPI_CHAR, src,RMA_TAG+5, MPI_COMM_WORLD);
+      reqs[i]=smpi_irecv_init(nullptr, 0, MPI_CHAR, src,RMA_TAG+5, MPI_COMM_WORLD);
       i++;
     }
     j++;
@@ -398,11 +393,12 @@ int smpi_mpi_win_wait(MPI_Win win){
   MPI_Request req;
   // start all requests that have been prepared by another process
   xbt_dynar_foreach(reqqs, cpt, req){
-    if (req->flags & PREPARED) smpi_mpi_start(req);
+    if (req->flags & PREPARED) 
+      smpi_mpi_start(req);
   }
 
   MPI_Request* treqs = static_cast<MPI_Request*>(xbt_dynar_to_array(reqqs));
-  win->requests=xbt_dynar_new(sizeof(MPI_Request), NULL);
+  win->requests=xbt_dynar_new(sizeof(MPI_Request), nullptr);
   smpi_mpi_waitall(size,treqs,MPI_STATUSES_IGNORE);
   xbt_free(treqs);
   smpi_group_unuse(win->group);