added code to allow for DO_ONCE loops. very preliminary.

[simgrid.git] / include / smpi / smpi.h

diff --git a/include/smpi/smpi.h b/include/smpi/smpi.h
index f6f07a6..1ab6b12 100644 (file)
--- a/include/smpi/smpi.h
+++ b/include/smpi/smpi.h
@@ -10,6 +10,8 @@
 
 #define MPI_ANY_TAG -1
 
+#define MPI_UNDEFINED -1
+
 // errorcodes
 #define MPI_SUCCESS     0
 #define MPI_ERR_COMM    1
@@ -38,7 +40,6 @@ typedef struct smpi_mpi_op_t *smpi_mpi_op_t;
 typedef smpi_mpi_op_t MPI_Op;
 
 // MPI_Status
-// FIXME: status is kind of an odd duck, is this required by the standard?
 struct smpi_mpi_status_t {
   int MPI_SOURCE;
   int MPI_TAG;
@@ -64,6 +65,7 @@ typedef struct smpi_mpi_global_t *smpi_mpi_global_t;
 extern smpi_mpi_global_t smpi_mpi_global;
 
 #define MPI_COMM_WORLD    (smpi_mpi_global->mpi_comm_world)
+#define MPI_COMM_NULL     NULL
 
 #define MPI_STATUS_IGNORE NULL
 
@@ -86,6 +88,8 @@ int MPI_Irecv(void *buf, int count, MPI_Datatype datatype, int src, int tag, MPI
 int MPI_Recv(void *buf, int count, MPI_Datatype datatype, int src, int tag, MPI_Comm comm, MPI_Status *status);
 int MPI_Isend(void *buf, int count, MPI_Datatype datatype, int dst, int tag, MPI_Comm comm, MPI_Request *request);
 int MPI_Send(void *buf, int count, MPI_Datatype datatype, int dst, int tag, MPI_Comm comm);
+int MPI_Bcast(void *buf, int count, MPI_Datatype datatype, int root, MPI_Comm comm);
+int MPI_Comm_split(MPI_Comm comm, int color, int key, MPI_Comm *comm_out);
 
 // smpi functions
 XBT_IMPORT_NO_EXPORT(int) smpi_simulated_main(int argc, char **argv);
@@ -93,4 +97,9 @@ unsigned int smpi_sleep(unsigned int);
 void smpi_exit(int);
 int smpi_gettimeofday(struct timeval *tv, struct timezone *tz);
 
+void smpi_do_once_1(void);
+int  smpi_do_once_2(void);
+void smpi_do_once_3(void);
+#define DO_ONCE for (smpi_do_once_1(); smpi_do_once_2(); smpi_do_once_3())
+
 #endif