Prefer to use emplace_back.

[simgrid.git] / src / smpi / mpi / smpi_file.cpp

diff --git a/src/smpi/mpi/smpi_file.cpp b/src/smpi/mpi/smpi_file.cpp
index b92dbc4..bccba0d 100644 (file)
--- a/src/smpi/mpi/smpi_file.cpp
+++ b/src/smpi/mpi/smpi_file.cpp
@@ -35,7 +35,7 @@ namespace smpi{
 
     size_t found=fullname.find('/');
     //in case no fullpath is provided ... just pick the first mountpoint.
-    if(found==std::string::npos){
+    if(found==std::string::npos || fullname.rfind("./", 1) != std::string::npos){
       auto disk = simgrid::s4u::Host::current()->get_disks().front();
       std::string mount;
       if (disk->get_host() != simgrid::s4u::Host::current())
@@ -43,8 +43,12 @@ namespace smpi{
       else
         mount = disk->extension<simgrid::s4u::FileSystemDiskExt>()->get_mount_point();
       XBT_DEBUG("No absolute path given for file opening, use '%s'", mount.c_str());
-      mount.append("/");
-      fullname.insert(0, mount);
+      if(fullname.rfind("./",1) != std::string::npos)
+        fullname.replace(fullname.begin(), fullname.begin() + 1, mount);
+      else{
+        mount.append("/");
+        fullname.insert(0, mount);
+      }
     }
 
     file_= new simgrid::s4u::File(fullname, nullptr);
@@ -94,17 +98,19 @@ namespace smpi{
   int File::del(const char* filename, const 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);
+    auto* f = new File(MPI_COMM_SELF, filename, MPI_MODE_DELETE_ON_CLOSE | MPI_MODE_RDWR, nullptr);
     close(&f);
     return MPI_SUCCESS;
   }
 
-  int File::get_position(MPI_Offset* offset){
+  int File::get_position(MPI_Offset* offset) const
+  {
     *offset=file_->tell();
     return MPI_SUCCESS;
   }
 
-  int File::get_position_shared(MPI_Offset* offset){
+  int File::get_position_shared(MPI_Offset* offset) const
+  {
     shared_mutex_->lock();
     *offset=*shared_file_pointer_;
     shared_mutex_->unlock();
@@ -134,12 +140,12 @@ namespace smpi{
   int File::seek_shared(MPI_Offset offset, int whence){
     shared_mutex_->lock();
     seek(offset,whence);
-    *shared_file_pointer_=offset;
+    *shared_file_pointer_=file_->tell();
     shared_mutex_->unlock();
     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, const 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();
@@ -167,7 +173,8 @@ namespace smpi{
   /* address="Berlin, Heidelberg",*/
   /* pages="84--93"*/
   /* }*/
-  int File::read_shared(MPI_File fh, void *buf, int count, MPI_Datatype datatype, MPI_Status *status){
+  int File::read_shared(MPI_File fh, void* buf, int count, const Datatype* datatype, MPI_Status* status)
+  {
     fh->shared_mutex_->lock();
     fh->seek(*(fh->shared_file_pointer_),MPI_SEEK_SET);
     read(fh, buf, count, datatype, status);
@@ -176,7 +183,8 @@ namespace smpi{
     return MPI_SUCCESS;
   }
 
-  int File::read_ordered(MPI_File fh, void *buf, int count, MPI_Datatype datatype, MPI_Status *status){
+  int File::read_ordered(MPI_File fh, void* buf, int count, const Datatype* datatype, MPI_Status* status)
+  {
     //0 needs to get the shared pointer value
     MPI_Offset val;
     if(fh->comm_->rank()==0){
@@ -199,7 +207,7 @@ 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, const 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();
@@ -217,16 +225,20 @@ namespace smpi{
     return MPI_SUCCESS;
   }
 
-  int File::write_shared(MPI_File fh, const void *buf, int count, MPI_Datatype datatype, MPI_Status *status){
+  int File::write_shared(MPI_File fh, const void* buf, int count, const Datatype* datatype, MPI_Status* status)
+  {
     fh->shared_mutex_->lock();
+    XBT_DEBUG("Write shared on %s - Shared ptr before : %lld",fh->file_->get_path(), *(fh->shared_file_pointer_));
     fh->seek(*(fh->shared_file_pointer_),MPI_SEEK_SET);
     write(fh, const_cast<void*>(buf), count, datatype, status);
     *(fh->shared_file_pointer_)=fh->file_->tell();
+    XBT_DEBUG("Write shared on %s - Shared ptr after : %lld",fh->file_->get_path(), *(fh->shared_file_pointer_));
     fh->shared_mutex_->unlock();
     return MPI_SUCCESS;
   }
 
-  int File::write_ordered(MPI_File fh, const void *buf, int count, MPI_Datatype datatype, MPI_Status *status){
+  int File::write_ordered(MPI_File fh, const void* buf, int count, const Datatype* datatype, MPI_Status* status)
+  {
     //0 needs to get the shared pointer value
     MPI_Offset val;
     if(fh->comm_->rank()==0){
@@ -257,7 +269,7 @@ namespace smpi{
     return MPI_SUCCESS;
   }
 
-  int File::get_view(MPI_Offset* /*disp*/, MPI_Datatype* etype, MPI_Datatype* filetype, char* datarep)
+  int File::get_view(MPI_Offset* /*disp*/, MPI_Datatype* etype, MPI_Datatype* filetype, char* datarep) const
   {
     *etype=etype_;
     *filetype=filetype_;
@@ -265,11 +277,13 @@ namespace smpi{
     return MPI_SUCCESS;
   }
 
-  int File::size(){
+  int File::size() const
+  {
     return file_->size();
   }
 
-  int File::flags(){
+  int File::flags() const
+  {
     return flags_;
   }
 
@@ -295,7 +309,8 @@ namespace smpi{
       info_->ref();
   }
 
-  MPI_Comm File::comm(){
+  MPI_Comm File::comm() const
+  {
     return comm_;
   }
 
@@ -314,5 +329,9 @@ namespace smpi{
     if (errhandler_ != MPI_ERRHANDLER_NULL)
       errhandler_->ref();
   }
+
+  File* File::f2c(int id){
+    return static_cast<File*>(F2C::f2c(id));
+  }
 }
 }