//!can be opened for read-only "read_only" or read-write
//!"read_write.
template<class MemoryMappable>
mapped_region(const MemoryMappable& mapping
,mode_t mode
,offset_t offset = 0
,std::size_t size = 0
,const void *address = 0);
//!Default constructor. Address and size and offset will be 0.
//!Does not throw
mapped_region();
//!Move constructor. *this will be constructed taking ownership of "other"'s
//!region and "other" will be left in default constructor state.
mapped_region(BOOST_INTERPROCESS_RV_REF(mapped_region) other)
#if defined (BOOST_INTERPROCESS_WINDOWS)
: m_base(0), m_size(0), m_offset(0)
, m_extra_offset(0)
, m_mode(read_only)
, m_file_mapping_hnd(detail::invalid_file())
#else
: m_base(MAP_FAILED), m_size(0), m_offset(0), m_extra_offset(0), m_mode(read_only), m_is_xsi(false)
#endif
{ this->swap(other); }
//!Destroys the mapped region.
//!Does not throw
~mapped_region();
//!can be opened for read-only "read_only" or read-write
//!"read_write.
template<class MemoryMappable>
mapped_region(const MemoryMappable& mapping
,mode_t mode
,offset_t offset = 0
,std::size_t size = 0
,const void *address = 0);
//!Default constructor. Address and size and offset will be 0.
//!Does not throw
mapped_region();
//!Move constructor. *this will be constructed taking ownership of "other"'s
//!region and "other" will be left in default constructor state.
mapped_region(BOOST_INTERPROCESS_RV_REF(mapped_region) other);
//!Destroys the mapped region.
//!Does not throw
~mapped_region();
//!Move assignment. If *this owns a memory mapped region, it will be
//!destroyed and it will take ownership of "other"'s memory mapped region.
mapped_region &operator=(BOOST_INTERPROCESS_RV_REF(mapped_region) other);
//!Returns the size of the mapping. Note for windows users: If
//!windows_shared_memory is mapped using 0 as the size, it returns 0
//!because the size is unknown. Never throws.
std::size_t get_size() const;
//!Returns the base address of the mapping.
//!Tries to create a shared memory object with name "name" and mode "mode", with the
//!access mode "mode". If the file previously exists, it tries to open it with mode "mode".
//!Otherwise throws an error.
windows_shared_memory(open_or_create_t, const char *name, mode_t mode, std::size_t size)
{ this->priv_open_or_create(detail::DoOpenOrCreate, name, mode, size); }
//!Tries to open a shared memory object with name "name", with the access mode "mode".
//!If the file does not previously exist, it throws an error.
windows_shared_memory(open_only_t, const char *name, mode_t mode)
{ this->priv_open_or_create(detail::DoOpen, name, mode, 0); }
//!Moves the ownership of "moved"'s shared memory object to *this.
//!After the call, "moved" does not represent any shared memory object.
//!Does not throw
windows_shared_memory(BOOST_INTERPROCESS_RV_REF(windows_shared_memory) moved)
{ this->swap(moved); }
//!Moves the ownership of "moved"'s shared memory to *this.
//!After the call, "moved" does not represent any shared memory.
//!Does not throw
windows_shared_memory &operator=(BOOST_INTERPROCESS_RV_REF(windows_shared_memory) moved)
{
windows_shared_memory tmp(boost::interprocess::move(moved));
this->swap(tmp);
return *this;
}
//!Swaps to shared_memory_objects. Does not throw
void swap(windows_shared_memory &other);
//!Default constructor.
//!Represents an empty xsi_named_mutex.
xsi_named_mutex();
//!Tries to create a new XSI-based named mutex with a key obtained from a call to ftok (with path
//!"path" and id "id"), and permissions "perm".
//!If the named mutex previously exists, it tries to open it.
//!Otherwise throws an error.
xsi_named_mutex(open_or_create_t, const char *path, boost::uint8_t id, int perm = 0666)
{ this->priv_open_or_create(detail::DoOpenOrCreate, path, id, perm); }
//!Moves the ownership of "moved"'s named mutex to *this.
//!After the call, "moved" does not represent any named mutex
//!Does not throw
xsi_named_mutex(BOOST_INTERPROCESS_RV_REF(xsi_named_mutex) moved)
{ this->swap(moved); }
//!Moves the ownership of "moved"'s named mutex to *this.
//!After the call, "moved" does not represent any named mutex.
//!Does not throw
xsi_named_mutex &operator=(BOOST_INTERPROCESS_RV_REF(xsi_named_mutex) moved)
{
xsi_named_mutex tmp(boost::interprocess::move(moved));
this->swap(tmp);
return *this;
}
//!Swaps two xsi_named_mutex. Does not throw
void swap(xsi_named_mutex &other);
//!Tries to create a shared memory object with name "name" and mode "mode", with the
//!access mode "mode". If the file previously exists, it tries to open it with mode "mode".
//!Otherwise throws an error.
shared_memory_object(open_or_create_t, const char *name, mode_t mode)
{ this->priv_open_or_create(detail::DoOpenOrCreate, name, mode); }
//!Tries to open a shared memory object with name "name", with the access mode "mode".
//!If the file does not previously exist, it throws an error.
shared_memory_object(open_only_t, const char *name, mode_t mode)
{ this->priv_open_or_create(detail::DoOpen, name, mode); }
//!Moves the ownership of "moved"'s shared memory object to *this.
//!After the call, "moved" does not represent any shared memory object.
//!Does not throw
shared_memory_object(BOOST_INTERPROCESS_RV_REF(shared_memory_object) moved)
: m_handle(file_handle_t(detail::invalid_file()))
{ this->swap(moved); }
//!Moves the ownership of "moved"'s shared memory to *this.
//!After the call, "moved" does not represent any shared memory.
//!Does not throw
shared_memory_object &operator=(BOOST_INTERPROCESS_RV_REF(shared_memory_object) moved)
{
shared_memory_object tmp(boost::interprocess::move(moved));
this->swap(tmp);
return *this;
}
//!Swaps the shared_memory_objects. Does not throw
void swap(shared_memory_object &moved);
{}
//!Connects to a created shared memory and its segment manager
//!in read-only mode.
//!This can throw.
basic_managed_windows_shared_memory
(open_read_only_t, const char* name, const void *addr = 0)
: base_t()
, m_wshm(open_only, name, read_only, addr,
create_open_func_t(get_this_pointer(), detail::DoOpen))
{}
//!Moves the ownership of "moved"'s managed memory to *this.
//!Does not throw
basic_managed_windows_shared_memory
(BOOST_INTERPROCESS_RV_REF(basic_managed_windows_shared_memory) moved)
{ this->swap(moved); }
//!Moves the ownership of "moved"'s managed memory to *this.
//!Does not throw
basic_managed_windows_shared_memory &operator=(BOOST_INTERPROCESS_RV_REF(basic_managed_windows_shared_memory) moved)
{
basic_managed_windows_shared_memory tmp(boost::interprocess::move(moved));
this->swap(tmp);
return *this;
}
//!Destroys *this and indicates that the calling process is finished using
//!the resource. All mapped regions are still valid after
//!destruction. When all mapped regions and basic_managed_windows_shared_memory
//!objects referring the shared memory are destroyed, the
//!
//!Effects: Constructs a unique_ptr which owns the pointer which u owns
//!(if any). If the deleter is not a reference type, it is move constructed
//!from u's deleter, otherwise the reference is copy constructed from u's deleter.
//!
//!After the construction, u no longer owns a pointer.
//![ Note: The deleter constructor can be implemented with
//! boost::interprocess::forward<D>. -end note ]
//!
//!Postconditions: get() == value u.get() had before the construction.
//!get_deleter() returns a reference to the internally stored deleter which
//!was constructed from u.get_deleter(). If D is a reference type then get_-
//!deleter() and u.get_deleter() both reference the same lvalue deleter.
//!
//!Throws: nothing.
unique_ptr(BOOST_INTERPROCESS_RV_REF(unique_ptr) u)
: ptr_(u.release(), boost::interprocess::forward<D>(u.get_deleter()))
{}
//!Requires: If D is not a reference type, construction of the deleter
//!D from an rvalue of type E must be well formed
//!and not throw an exception. If D is a reference type, then E must be
//!the same type as D (diagnostic required). unique_ptr<U, E>::pointer
//!must be implicitly convertible to pointer.
//!
//!Effects: Constructs a unique_ptr which owns the pointer which u owns
//!(if any). If the deleter is not a reference
//!type, it is move constructed from u's deleter, otherwise the reference
//!is copy constructed from u's deleter.
//!
//!After the construction, u no longer owns a pointer.
{ this->priv_open_or_create(detail::DoCreate, key, perm, size); }
//!Opens an existing shared memory with identifier 'key' or creates a new XSI shared memory from
//!identifier 'key', with size "size" and permissions "perm".
xsi_shared_memory(open_or_create_t, const xsi_key &key, std::size_t size, const permissions& perm = permissions())
{ this->priv_open_or_create(detail::DoOpenOrCreate, key, perm, size); }
//!Tries to open a XSI shared memory with identifier 'key'
//!If the shared memory does not previously exist, it throws an error.
xsi_shared_memory(open_only_t, const xsi_key &key)
{ this->priv_open_or_create(detail::DoOpen, key, permissions(), 0); }
//!Moves the ownership of "moved"'s shared memory object to *this.
//!After the call, "moved" does not represent any shared memory object.
//!Does not throw
xsi_shared_memory(BOOST_INTERPROCESS_RV_REF(xsi_shared_memory) moved)
: m_shmid(-1)
{ this->swap(moved); }
//!Moves the ownership of "moved"'s shared memory to *this.
//!After the call, "moved" does not represent any shared memory.
//!Does not throw
xsi_shared_memory &operator=(BOOST_INTERPROCESS_RV_REF(xsi_shared_memory) moved)
{
xsi_shared_memory tmp(boost::interprocess::move(moved));
this->swap(tmp);
return *this;
}
//!Swaps two xsi_shared_memorys. Does not throw
void swap(xsi_shared_memory &other);
}
}
//!Creates and places the segment manager. This can throw
basic_managed_external_buffer
(open_only_t, void *addr, std::size_t size)
{
//Check if alignment is correct
assert((0 == (((std::size_t)addr) & (AllocationAlgorithm::Alignment - std::size_t(1u)))));
if(!base_t::open_impl(addr, size)){
throw interprocess_exception();
}
}
//!Moves the ownership of "moved"'s managed memory to *this. Does not throw
basic_managed_external_buffer(BOOST_INTERPROCESS_RV_REF(basic_managed_external_buffer) moved)
{
this->swap(moved);
}
//!Moves the ownership of "moved"'s managed memory to *this. Does not throw
basic_managed_external_buffer &operator=(BOOST_INTERPROCESS_RV_REF(basic_managed_external_buffer) moved)
{
basic_managed_external_buffer tmp(boost::interprocess::move(moved));
this->swap(tmp);
return *this;
}
void grow(std::size_t extra_bytes)
{ base_t::grow(extra_bytes); }
file_wrapper(open_or_create_t, const char *name, mode_t mode, const permissions &perm = permissions())
{
this->priv_open_or_create(detail::DoOpenOrCreate, name, mode, perm);
}
//!Tries to open a file with name "name", with the access mode "mode".
//!If the file does not previously exist, it throws an error.
file_wrapper(open_only_t, const char *name, mode_t mode)
{
this->priv_open_or_create(detail::DoOpen, name, mode, permissions());
}
//!Moves the ownership of "moved"'s file to *this.
//!After the call, "moved" does not represent any file.
//!Does not throw
file_wrapper(BOOST_INTERPROCESS_RV_REF(file_wrapper) moved)
: m_handle(file_handle_t(detail::invalid_file()))
{
this->swap(moved);
}
//!Moves the ownership of "moved"'s file to *this.
//!After the call, "moved" does not represent any file.
//!Does not throw
file_wrapper &operator=(BOOST_INTERPROCESS_RV_REF(file_wrapper) moved)
{
file_wrapper tmp(boost::interprocess::move(moved));
this->swap(tmp);
return *this;
}
