X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/e3fd4ced0204c7d9334a68482e1b9730c8293a35..dac4b13fbd1be3d7759769d44654622c43abb74c:/src/smpi/mpi/smpi_file.cpp

diff --git a/src/smpi/mpi/smpi_file.cpp b/src/smpi/mpi/smpi_file.cpp
index 8d841ef4f7..adb0f50043 100644
--- a/src/smpi/mpi/smpi_file.cpp
+++ b/src/smpi/mpi/smpi_file.cpp
@@ -22,12 +22,13 @@ XBT_LOG_NEW_DEFAULT_SUBCATEGORY(smpi_io, smpi, "Logging specific to SMPI (RMA op
 namespace simgrid{
 namespace smpi{
 
-  File::File(MPI_Comm comm, char *filename, int amode, MPI_Info info): comm_(comm), flags_(amode), info_(info) {
+  File::File(MPI_Comm comm, const char *filename, int amode, MPI_Info info): comm_(comm), flags_(amode), info_(info) {
     file_= new simgrid::s4u::File(filename, nullptr);
     list_=nullptr;
     if (comm_->rank() == 0) {
       int size= comm_->size() + FP_SIZE;
       list_ = new char[size];
+      errhandler_=MPI_ERRORS_ARE_FATAL;
       memset(list_, 0, size);
       shared_file_pointer_ = new MPI_Offset();
       shared_mutex_ = s4u::Mutex::create();
@@ -60,7 +61,8 @@ namespace smpi{
     return MPI_SUCCESS;
   }
 
-  int File::del(char *filename, MPI_Info info){
+  int File::del(const char* filename, MPI_Info)
+  {
     //get the file with MPI_MODE_DELETE_ON_CLOSE and then close it
     File* f = new File(MPI_COMM_SELF,filename,MPI_MODE_DELETE_ON_CLOSE|MPI_MODE_RDWR, nullptr);
     close(&f);
@@ -107,7 +109,8 @@ namespace smpi{
     return MPI_SUCCESS;
   }
 
-  int File::read(MPI_File fh, void *buf, int count, MPI_Datatype datatype, MPI_Status *status){
+  int File::read(MPI_File fh, void* /*buf*/, int count, MPI_Datatype datatype, MPI_Status* status)
+  {
     //get position first as we may be doing non contiguous reads and it will probably be updated badly
     MPI_Offset position = fh->file_->tell();
     MPI_Offset movesize = datatype->get_extent()*count;
@@ -165,13 +168,14 @@ namespace smpi{
     return ret;
   }
 
-  int File::write(MPI_File fh, void *buf, int count, MPI_Datatype datatype, MPI_Status *status){
+  int File::write(MPI_File fh, void* /*buf*/, int count, MPI_Datatype datatype, MPI_Status* status)
+  {
     //get position first as we may be doing non contiguous reads and it will probably be updated badly
     MPI_Offset position = fh->file_->tell();
     MPI_Offset movesize = datatype->get_extent()*count;
     MPI_Offset writesize = datatype->size()*count;
     XBT_DEBUG("Position before write in MPI_File %s : %llu",fh->file_->get_path(),fh->file_->tell());
-    MPI_Offset write = fh->file_->write(writesize);
+    MPI_Offset write = fh->file_->write(writesize, 1);
     XBT_VERB("Write in MPI_File %s, %lld bytes written, readsize %lld bytes, movesize %lld", fh->file_->get_path(), write, writesize, movesize);
     if(writesize!=movesize){
       fh->file_->seek(position+movesize, SEEK_SET);
@@ -181,16 +185,16 @@ namespace smpi{
     return MPI_SUCCESS;
   }
 
-  int File::write_shared(MPI_File fh, void *buf, int count, MPI_Datatype datatype, MPI_Status *status){
+  int File::write_shared(MPI_File fh, const void *buf, int count, MPI_Datatype datatype, MPI_Status *status){
     fh->shared_mutex_->lock();
     fh->seek(*(fh->shared_file_pointer_),MPI_SEEK_SET);
-    write(fh, buf, count, datatype, status);
+    write(fh, const_cast<void*>(buf), count, datatype, status);
     *(fh->shared_file_pointer_)=fh->file_->tell();
     fh->shared_mutex_->unlock();
     return MPI_SUCCESS;
   }
 
-  int File::write_ordered(MPI_File fh, void *buf, int count, MPI_Datatype datatype, MPI_Status *status){
+  int File::write_ordered(MPI_File fh, const void *buf, int count, MPI_Datatype datatype, MPI_Status *status){
     //0 needs to get the shared pointer value
     MPI_Offset val;
     if(fh->comm_->rank()==0){
@@ -201,7 +205,7 @@ namespace smpi{
     MPI_Offset result;
     simgrid::smpi::Colls::scan(&val, &result, 1, MPI_OFFSET, MPI_SUM, fh->comm_);
     fh->seek(result, MPI_SEEK_SET);
-    int ret = fh->op_all<simgrid::smpi::File::write>(buf, count, datatype, status);
+    int ret = fh->op_all<simgrid::smpi::File::write>(const_cast<void*>(buf), count, datatype, status);
     if(fh->comm_->rank()==fh->comm_->size()-1){
       fh->shared_mutex_->lock();
       *(fh->shared_file_pointer_)=fh->file_->tell();
@@ -241,5 +245,15 @@ namespace smpi{
   MPI_Comm File::comm(){
     return comm_;
   }
+
+  MPI_Errhandler File::errhandler(){
+    return errhandler_;
+  }
+
+  void File::set_errhandler(MPI_Errhandler errhandler){
+    errhandler_=errhandler;
+    if(errhandler_!= MPI_ERRHANDLER_NULL)
+      errhandler->ref();
+  }
 }
 }