[SMPI] Program against s4u::Actor and not smx_actor_t

[simgrid.git] / src / smpi / internals / smpi_shared.cpp

diff --git a/src/smpi/internals/smpi_shared.cpp b/src/smpi/internals/smpi_shared.cpp
index 8ed34e8..9bf2045 100644 (file)
--- a/src/smpi/internals/smpi_shared.cpp
+++ b/src/smpi/internals/smpi_shared.cpp
@@ -149,7 +149,7 @@ static void *smpi_shared_malloc_local(size_t size, const char *file, int line)
   auto res = allocs.insert(std::make_pair(loc, shared_data_t()));
   auto data = res.first;
   if (res.second) {
-    // The insertion did not take place.
+    // The new element was inserted.
     // Generate a shared memory name from the address of the shared_data:
     char shmname[32]; // cannot be longer than PSHMNAMLEN = 31 on Mac OS X (shm_open raises ENAMETOOLONG otherwise)
     snprintf(shmname, 31, "/shmalloc%p", &*data);
@@ -271,9 +271,9 @@ void* smpi_shared_malloc_partial(size_t size, size_t* shared_block_offsets, int
               "stop_offset (%zu) should be lower than its successor start offset (%zu)", stop_offset, shared_block_offsets[2*i_block+2]);
     size_t start_block_offset = ALIGN_UP(start_offset, smpi_shared_malloc_blocksize);
     size_t stop_block_offset = ALIGN_DOWN(stop_offset, smpi_shared_malloc_blocksize);
-    for (unsigned block_id=0, i = start_block_offset / smpi_shared_malloc_blocksize; i < stop_block_offset / smpi_shared_malloc_blocksize; block_id++, i++) {
-      XBT_DEBUG("\t\tglobal shared allocation, mmap block offset %u", block_id);
-      void* pos = (void*)((unsigned long)mem + i * smpi_shared_malloc_blocksize);
+    for (size_t offset = start_block_offset; offset < stop_block_offset; offset += smpi_shared_malloc_blocksize) {
+      XBT_DEBUG("\t\tglobal shared allocation, mmap block offset %zx", offset);
+      void* pos = (void*)((unsigned long)mem + offset);
       void* res = mmap(pos, smpi_shared_malloc_blocksize, PROT_READ | PROT_WRITE, mmap_flag,
                        huge_fd, 0);
       xbt_assert(res == pos, "Could not map folded virtual memory (%s). Do you perhaps need to increase the "