X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/1dd85b68aa1b24d1569bb14b4f52e7b50d3e3c71..e3df7690eaab7f4ac139addddb9aaccc92f988e2:/src/smpi/smpi_global.c

diff --git a/src/smpi/smpi_global.c b/src/smpi/smpi_global.c
index c1c571548b..189c8ea087 100644
--- a/src/smpi/smpi_global.c
+++ b/src/smpi/smpi_global.c
@@ -27,6 +27,7 @@ typedef struct s_smpi_process_data {
   xbt_os_timer_t timer;
   double simulated;
   MPI_Comm comm_self;
+  void *data; /* user data */
 } s_smpi_process_data_t;
 
 static smpi_process_data_t *process_data = NULL;
@@ -117,8 +118,8 @@ int smpi_global_size(void) {
    char* value = getenv("SMPI_GLOBAL_SIZE");
 
    if(!value) {
-      fprintf(stderr, "Please set env var SMPI_GLOBAL_SIZE to expected number of processes.\n");
-      abort();
+     fprintf(stderr, "Please set env var SMPI_GLOBAL_SIZE to expected number of processes.\n");
+     xbt_abort();
    }
    return atoi(value);
 }
@@ -133,6 +134,17 @@ smpi_process_data_t smpi_process_remote_data(int index)
   return process_data[index];
 }
 
+void smpi_process_set_user_data(void *data)
+{
+  smpi_process_data_t process_data = smpi_process_data();
+  process_data->data = data;
+}
+
+void* smpi_process_get_user_data(){
+  smpi_process_data_t process_data = smpi_process_data();
+  return process_data->data;
+}
+
 int smpi_process_count(void)
 {
   return process_count;
@@ -201,13 +213,25 @@ void print_request(const char *message, MPI_Request request) {
          request->src, request->dst, request->tag, request->flags);
 }
 
+static void SMPI_comm_copy_buffer_callback(smx_action_t comm, void* buff, size_t buff_size)
+{
+  XBT_DEBUG("Copy the data over");
+  memcpy(comm->comm.dst_buff, buff, buff_size);
+  if (comm->comm.detached) { // if this is a detached send, the source buffer was duplicated by SMPI sender to make the original buffer available to the application ASAP
+    xbt_free(buff);
+    xbt_free(comm->comm.src_data);// inside SMPI the request is keep
+    //inside the user data and should be free 
+    comm->comm.src_buff = NULL;
+  }
+}
+
 void smpi_global_init(void)
 {
   int i;
   MPI_Group group;
   char name[MAILBOX_NAME_MAXLEN];
 
-  SIMIX_comm_set_copy_data_callback(&smpi_comm_copy_data_callback);
+  SIMIX_comm_set_copy_data_callback(&SMPI_comm_copy_buffer_callback);
   process_count = SIMIX_process_count();
   process_data = xbt_new(smpi_process_data_t, process_count);
   for (i = 0; i < process_count; i++) {
@@ -320,6 +344,5 @@ int MAIN__(void)
   TRACE_end();
 #endif
 
-  SIMIX_clean();
   return 0;
 }