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renamed some functions and moved some data structures to make things more
[simgrid.git] / src / smpi / smpi_global.c
index 24d7974..ba2db8b 100644 (file)
@@ -4,7 +4,9 @@
 
 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(smpi, XBT_LOG_ROOT_CAT, "All SMPI categories");
 
-SMPI_Global_t     smpi_global     = NULL;
+smpi_global_t     smpi_global     = NULL;
+
+void *smpi_request_new(void);
 
 void *smpi_request_new()
 {
@@ -17,6 +19,8 @@ void *smpi_request_new()
        return request;
 }
 
+void smpi_request_free(void *pointer);
+
 void smpi_request_free(void *pointer)
 {
 
@@ -31,6 +35,8 @@ void smpi_request_free(void *pointer)
        return;
 }
 
+void smpi_request_reset(void *pointer);
+
 void smpi_request_reset(void *pointer)
 {
        smpi_mpi_request_t request = pointer;
@@ -41,11 +47,15 @@ void smpi_request_reset(void *pointer)
 }
 
 
+void *smpi_message_new(void);
+
 void *smpi_message_new()
 {
        return xbt_new(s_smpi_received_message_t, 1);
 }
 
+void smpi_message_free(void *pointer);
+
 void smpi_message_free(void *pointer)
 {
        if (NULL != pointer) {
@@ -55,18 +65,59 @@ void smpi_message_free(void *pointer)
        return;
 }
 
+void smpi_message_reset(void *pointer);
+
 void smpi_message_reset(void *pointer)
 {
        return;
 }
 
+int smpi_create_request(void *buf, int count, smpi_mpi_datatype_t datatype,
+       int src, int dst, int tag, smpi_mpi_communicator_t comm, smpi_mpi_request_t *requestptr)
+{
+       int retval = MPI_SUCCESS;
+
+       smpi_mpi_request_t request = NULL;
+
+       // FIXME: make sure requestptr is not null
+       if (NULL == buf) {
+               retval = MPI_ERR_INTERN;
+       } else if (0 > count) {
+               retval = MPI_ERR_COUNT;
+       } else if (NULL == datatype) {
+               retval = MPI_ERR_TYPE;
+       } else if (MPI_ANY_SOURCE != src && (0 > src || comm->size <= src)) {
+               retval = MPI_ERR_RANK;
+       } else if (0 > dst || comm->size <= dst) {
+               retval = MPI_ERR_RANK;
+       } else if (MPI_ANY_TAG != tag && 0 > tag) {
+               retval = MPI_ERR_TAG;
+       } else if (NULL == comm) {
+               retval = MPI_ERR_COMM;
+       } else if (NULL == requestptr) {
+               retval = MPI_ERR_INTERN;
+       } else {
+               request           = xbt_mallocator_get(smpi_global->request_mallocator);
+               request->comm     = comm;
+               request->src      = src;
+               request->dst      = dst;
+               request->tag      = tag;
+               request->buf      = buf;
+               request->datatype = datatype;
+               request->count    = count;
+
+               *requestptr       = request;
+       }
+       return retval;
+}
+
 void smpi_global_init()
 {
        int i;
 
        int size = SIMIX_host_get_number();
 
-       smpi_global                                      = xbt_new(s_SMPI_Global_t, 1);
+       smpi_global                                      = xbt_new(s_smpi_global_t, 1);
 
        // config variable
        smpi_global->reference_speed                     = SMPI_DEFAULT_SPEED;