X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/4574025ec9d25006d31a032d09b408d183887fcf..4ff3a4cf6e03165421f65616a22be86b8f528e21:/src/smpi/bindings/smpi_pmpi.cpp

diff --git a/src/smpi/bindings/smpi_pmpi.cpp b/src/smpi/bindings/smpi_pmpi.cpp
index 51cb5926bd..475d8a0abd 100644
--- a/src/smpi/bindings/smpi_pmpi.cpp
+++ b/src/smpi/bindings/smpi_pmpi.cpp
@@ -1,4 +1,4 @@
-/* Copyright (c) 2007-2017. The SimGrid Team. All rights reserved.          */
+/* Copyright (c) 2007-2018. The SimGrid Team. All rights reserved.          */
 
 /* This program is free software; you can redistribute it and/or modify it
  * under the terms of the license (GNU LGPL) which comes with this package. */
@@ -25,7 +25,6 @@ void TRACE_smpi_set_category(const char *category)
 }
 
 /* PMPI User level calls */
-extern "C" { // Obviously, the C MPI interface should use the C linkage
 
 int PMPI_Init(int *argc, char ***argv)
 {
@@ -37,13 +36,11 @@ int PMPI_Init(int *argc, char ***argv)
   if(already_init == 0){
     simgrid::smpi::Process::init(argc, argv);
     smpi_process()->mark_as_initialized();
-    int rank = smpi_process()->index();
+    int rank = simgrid::s4u::this_actor::getPid();
     TRACE_smpi_init(rank);
+    TRACE_smpi_comm_in(rank, __func__, new simgrid::instr::NoOpTIData("init"));
+    TRACE_smpi_comm_out(rank);
     TRACE_smpi_computing_init(rank);
-    instr_extra_data extra = xbt_new0(s_instr_extra_data_t,1);
-    extra->type = TRACING_INIT;
-    TRACE_smpi_collective_in(rank, __FUNCTION__, extra);
-    TRACE_smpi_collective_out(rank);
     smpi_bench_begin();
   }
 
@@ -55,15 +52,13 @@ int PMPI_Init(int *argc, char ***argv)
 int PMPI_Finalize()
 {
   smpi_bench_end();
-  int rank = smpi_process()->index();
-  instr_extra_data extra = xbt_new0(s_instr_extra_data_t,1);
-  extra->type = TRACING_FINALIZE;
-  TRACE_smpi_collective_in(rank, __FUNCTION__, extra);
+  int rank = simgrid::s4u::this_actor::getPid();
+  TRACE_smpi_comm_in(rank, __func__, new simgrid::instr::NoOpTIData("finalize"));
 
   smpi_process()->finalize();
 
-  TRACE_smpi_collective_out(rank);
-  TRACE_smpi_finalize(smpi_process()->index());
+  TRACE_smpi_comm_out(rank);
+  TRACE_smpi_finalize(rank);
   return MPI_SUCCESS;
 }
 
@@ -88,7 +83,7 @@ int PMPI_Get_library_version (char *version,int *len){
   return MPI_SUCCESS;
 }
 
-int PMPI_Init_thread(int *argc, char ***argv, int required, int *provided)
+int PMPI_Init_thread(int* argc, char*** argv, int /*required*/, int* provided)
 {
   if (provided != nullptr) {
     *provided = MPI_THREAD_SINGLE;
@@ -108,15 +103,19 @@ int PMPI_Query_thread(int *provided)
 
 int PMPI_Is_thread_main(int *flag)
 {
+  // FIXME: The MPI standard seems to say that fatal errors need to be triggered
+  // if MPI has been finalized or not yet been initialized
   if (flag == nullptr) {
     return MPI_ERR_ARG;
   } else {
-    *flag = smpi_process()->index() == 0;
+    *flag = simgrid::s4u::this_actor::getPid() ==
+            1; // FIXME: I don't think this is correct: This just returns true if the process ID is 1,
+               // regardless of whether this process called MPI_Thread_Init() or not.
     return MPI_SUCCESS;
   }
 }
 
-int PMPI_Abort(MPI_Comm comm, int errorcode)
+int PMPI_Abort(MPI_Comm /*comm*/, int /*errorcode*/)
 {
   smpi_bench_end();
   // FIXME: should kill all processes in comm instead
@@ -153,9 +152,9 @@ int PMPI_Get_address(void *location, MPI_Aint * address)
 
 int PMPI_Get_processor_name(char *name, int *resultlen)
 {
-  strncpy(name, sg_host_self()->getCname(), strlen(sg_host_self()->getCname()) < MPI_MAX_PROCESSOR_NAME - 1
-                                                ? strlen(sg_host_self()->getCname()) + 1
-                                                : MPI_MAX_PROCESSOR_NAME - 1);
+  strncpy(name, sg_host_self()->get_cname(),
+          strlen(sg_host_self()->get_cname()) < MPI_MAX_PROCESSOR_NAME - 1 ? strlen(sg_host_self()->get_cname()) + 1
+                                                                           : MPI_MAX_PROCESSOR_NAME - 1);
   *resultlen = strlen(name) > MPI_MAX_PROCESSOR_NAME ? MPI_MAX_PROCESSOR_NAME : strlen(name);
 
   return MPI_SUCCESS;
@@ -186,7 +185,8 @@ int PMPI_Initialized(int* flag) {
    return MPI_SUCCESS;
 }
 
-int PMPI_Alloc_mem(MPI_Aint size, MPI_Info info, void *baseptr){
+int PMPI_Alloc_mem(MPI_Aint size, MPI_Info /*info*/, void* baseptr)
+{
   void *ptr = xbt_malloc(size);
   if(ptr==nullptr)
     return MPI_ERR_NO_MEM;
@@ -216,5 +216,3 @@ int PMPI_Keyval_create(MPI_Copy_function* copy_fn, MPI_Delete_function* delete_f
 int PMPI_Keyval_free(int* keyval) {
   return simgrid::smpi::Keyval::keyval_free<simgrid::smpi::Comm>(keyval);
 }
-
-} // extern "C"