X-Git-Url: http://bilbo.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/111a3da5058ade0ddcfb01173504a46ff24c8429..d50d059ea12035662120f56d1ed5bd9289474193:/teshsuite/smpi/io-shared/io-shared.c

diff --git a/teshsuite/smpi/io-shared/io-shared.c b/teshsuite/smpi/io-shared/io-shared.c
index 9b1b5b143a..6aa07ce963 100644
--- a/teshsuite/smpi/io-shared/io-shared.c
+++ b/teshsuite/smpi/io-shared/io-shared.c
@@ -1,3 +1,8 @@
+/* Copyright (c) 2019-2023. 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. */
+
 #include "mpi.h"
 #include <stdio.h>
 #include <stdlib.h>
@@ -9,36 +14,46 @@
 int main( int argc, char *argv[] )
 {
     int errs = 0;
-    int size, rank, i, *buf, count;
+    int size;
+    int rank;
+    int* buf;
+    int count;
     MPI_File fh;
     MPI_Comm comm;
     MPI_Status status;
- 
+
     MPI_Init( &argc, &argv );
- 
+
     comm = MPI_COMM_WORLD;
-    MPI_File_open( comm, (char*)"/scratch/lib/libsimgrid.so.3.6.2", MPI_MODE_RDWR | MPI_MODE_CREATE | MPI_MODE_DELETE_ON_CLOSE, MPI_INFO_NULL, &fh );
+    MPI_File_open( comm, (char*)"/scratch/testfile", MPI_MODE_RDWR | MPI_MODE_CREATE | MPI_MODE_DELETE_ON_CLOSE, MPI_INFO_NULL, &fh );
     MPI_Comm_size( comm, &size );
     MPI_Comm_rank( comm, &rank );
-    buf = (int *)malloc( 10+size * sizeof(int) );
+    buf = (int *)malloc( sizeof(int) );
     buf[0] = rank;
- 
+
+    MPI_File_seek_shared( fh, 0, MPI_SEEK_SET );
+    MPI_Barrier(comm);
+
+    memset( &status, 0xff, sizeof(MPI_Status) );
+    MPI_File_write_shared( fh, buf, 1, MPI_INT, &status );
+    MPI_Get_count( &status, MPI_INT, &count );
+    if (count != 1) {
+        errs++;
+        fprintf( stderr, "Count not one (%d) on write\n", count );fflush(stderr);
+    }
+
     /* Write nothing (check status) */
     memset( &status, 0xff, sizeof(MPI_Status) );
-    MPI_File_write( fh, buf, 0, MPI_INT, &status );
+    MPI_File_write_shared( fh, buf, 0, MPI_INT, &status );
     MPI_Get_count( &status, MPI_INT, &count );
     if (count != 0) {
         errs++;
         fprintf( stderr, "Count not zero (%d) on write\n", count );fflush(stderr);
     }
-    
-    MPI_Barrier( comm );
-    MPI_File_seek_shared( fh, 0, MPI_SEEK_SET );
-    for (i=0; i<size; i++) buf[i] = -1;
-    MPI_File_read_ordered( fh, buf, 10, MPI_INT, &status );
 
     MPI_Barrier(comm);
     MPI_File_seek_shared( fh, 0, MPI_SEEK_SET );
+    MPI_Barrier(comm);
 
     memset( &status, 0xff, sizeof(MPI_Status) );
     MPI_File_read_shared( fh, buf, 1, MPI_INT, &status );
@@ -47,20 +62,10 @@ int main( int argc, char *argv[] )
         errs++;
         fprintf( stderr, "Count not zero (%d) on read shared\n", count );fflush(stderr);
     }
-    
-    MPI_Barrier(comm);
-    MPI_File_seek_shared( fh, 0, MPI_SEEK_SET );
-
-    memset( &status, 0xff, sizeof(MPI_Status) );
-    MPI_File_write_shared( fh, buf, 1, MPI_INT, &status );
-    if (count != 1) {
-        errs++;
-        fprintf( stderr, "Count not zero (%d) on write\n", count );fflush(stderr);
-    }
 
     free( buf );
     MPI_File_close( &fh );
- 
+
     MPI_Finalize();
     return errs;
-}
\ No newline at end of file
+}