| 1 | // Build instructions
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| 2 | // g++ -g -I/path/to/boost/ -lpthread -lrt shm.cpp
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| 3 | //
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| 4 | // Before running, run the following command to ensure the system has no available shared memory:
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| 5 | // [elemental@jsaxton-dev boost_1_5_9]$ dd if=/dev/zero of=/dev/shm/fill
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| 6 | // dd: writing to `/dev/shm/fill': No space left on device
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| 7 | // 16248681+0 records in
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| 8 | // 16248680+0 records out
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| 9 | // 8319324160 bytes (8.3 GB) copied, 10.8006 s, 770 MB/s
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| 10 | //
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| 11 | // This should crash with boost v1.59 with the following stack trace:
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| 12 | // (gdb) where
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| 13 | // #0 0x0000000000402186 in boost::interprocess::ipcdetail::atomic_cas32 (mem=0x7ffff7ee3000, with=1, cmp=0) at /home/elemental/boost_1_5_9/boost_1_59_0/boost/interprocess/detail/atomic.hpp:141
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| 14 | // #1 0x000000000040389c in boost::interprocess::ipcdetail::managed_open_or_create_impl<boost::interprocess::shared_memory_object, 16ul, true, false>::priv_open_or_create<boost::interprocess::ipcdetail::create_open_func<boost::interprocess::ipcdetail::basic_managed_memory_impl<char, boost::interprocess::rbtree_best_fit<boost::interprocess::mutex_family, boost::interprocess::offset_ptr<void, long, unsigned long, 0u>, 0ul>, boost::interprocess::iset_index, 16ul> > > (this=
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| 15 | // 0x7fffffffe0f8, type=boost::interprocess::ipcdetail::DoCreate, id=@0x7fffffffe090, size=1048576, mode=boost::interprocess::read_write, addr=0x0, perm=..., construct_func=...)
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| 16 | // at /home/elemental/boost_1_5_9/boost_1_59_0/boost/interprocess/detail/managed_open_or_create_impl.hpp:409
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| 17 | // #2 0x0000000000403163 in boost::interprocess::ipcdetail::managed_open_or_create_impl<boost::interprocess::shared_memory_object, 16ul, true, false>::managed_open_or_create_impl<boost::interprocess::ipcdetail::create_open_func<boost::interprocess::ipcdetail::basic_managed_memory_impl<char, boost::interprocess::rbtree_best_fit<boost::interprocess::mutex_family, boost::interprocess::offset_ptr<void, long, unsigned long, 0u>, 0ul>, boost::interprocess::iset_index, 16ul> > >
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| 18 | // (this=0x7fffffffe0f8, id=@0x7fffffffe090, size=1048576, mode=boost::interprocess::read_write, addr=0x0, construct_func=..., perm=...)
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| 19 | // at /home/elemental/boost_1_5_9/boost_1_59_0/boost/interprocess/detail/managed_open_or_create_impl.hpp:184
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| 20 | // #3 0x0000000000402f2b in boost::interprocess::basic_managed_shared_memory<char, boost::interprocess::rbtree_best_fit<boost::interprocess::mutex_family, boost::interprocess::offset_ptr<void, long, unsigned long, 0u>, 0ul>, boost::interprocess::iset_index>::basic_managed_shared_memory (this=0x7fffffffe0f0, name=0x4077fb "foobar", size=1048576, addr=0x0, perm=...) at /home/elemental/boost_1_5_9/boost_1_59_0/boost/interprocess/managed_shared_memory.hpp:106
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| 21 | // #4 0x00000000004016a2 in main (argc=1, argv=0x7fffffffe228) at shm.cpp:23
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| 22 | //
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| 23 | // Note: Before running the program, run "rm /dev/shm/foobar; dd if=/dev/zero of=/dev/shm/fill2" to ensure the system has no available shared memory.
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| 24 |
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| 25 | #include <iostream>
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| 26 | #include <boost/interprocess/managed_shared_memory.hpp>
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| 27 |
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| 28 | int main(int argc, char** argv)
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| 29 | {
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| 30 | namespace bi = boost::interprocess;
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| 31 | bi::managed_shared_memory segment(bi::create_only, "foobar", 1 * 1024 * 1024);
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| 32 | std::cout << "Success" << std::endl;
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| 33 | }
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