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Changes to allow interoperability between 64 and 32 processes. Pointer type is a customization of all templated code size_type's and difference_type's.

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[SVN r70069]
This commit is contained in:
Ion Gaztañaga
2011-03-17 16:42:30 +00:00
parent 283d21330b
commit b5eb07ba3e
32 changed files with 359 additions and 144 deletions
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13
example/doc_managed_allocation_command.cpp
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@@ -48,7 +48,8 @@ int main()
//->
//Allocate at least 100 bytes, 1000 bytes if possible
std::size_t received_size, min_size = 100, preferred_size = 1000;
managed_shared_memory::size_type min_size = 100, preferred_size = 1000;
managed_shared_memory::size_type received_size;
std::size_t *ptr = managed_shm.allocation_command<std::size_t>
(boost::interprocess::allocate_new, min_size, preferred_size, received_size).first;
@@ -56,7 +57,7 @@ int main()
assert(received_size >= min_size);
//Get free memory
std::size_t free_memory_after_allocation = managed_shm.get_free_memory();
managed_shared_memory::size_type free_memory_after_allocation = managed_shm.get_free_memory();
//Now write the data
for(std::size_t i = 0; i < received_size; ++i) ptr[i] = i;
@@ -65,7 +66,7 @@ int main()
//lower to the double of the original buffer.
//This "should" be successful since no other class is allocating
//memory from the segment
std::size_t expanded_size;
managed_shared_memory::size_type expanded_size;
std::pair<std::size_t *, bool> ret = managed_shm.allocation_command
(boost::interprocess::expand_fwd, received_size*2, received_size*3, expanded_size, ptr);
@@ -75,7 +76,7 @@ int main()
assert(expanded_size >= received_size*2);
//Get free memory and compare
std::size_t free_memory_after_expansion = managed_shm.get_free_memory();
managed_shared_memory::size_type free_memory_after_expansion = managed_shm.get_free_memory();
assert(free_memory_after_expansion < free_memory_after_allocation);
//Write new values
@@ -85,7 +86,7 @@ int main()
//should be smaller than min_size*2.
//This "should" be successful since no other class is allocating
//memory from the segment
std::size_t shrunk_size;
managed_shared_memory::size_type shrunk_size;
ret = managed_shm.allocation_command
(boost::interprocess::shrink_in_place, min_size*2, min_size, shrunk_size, ptr);
@@ -96,7 +97,7 @@ int main()
assert(shrunk_size >= min_size);
//Get free memory and compare
std::size_t free_memory_after_shrinking = managed_shm.get_free_memory();
managed_shared_memory::size_type free_memory_after_shrinking = managed_shm.get_free_memory();
assert(free_memory_after_shrinking > free_memory_after_expansion);
//Deallocate the buffer