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std::basic_...asic_syncbuf(3) C++ Standard Libarystd::basic_...asic_syncbuf(3) NAME std::basic_syncbuf::basic_syncbuf - std::basic_syncbuf::basic_syncbuf Synopsis basic_syncbuf() (1) : basic_syncbuf(nullptr) explicit basic_syncbuf( streambuf_type* obuf ) (2) : basic_syncbuf( obuf, Allocator() ) {} basic_syncbuf( streambuf_type* obuf, const Allocator& a); (3) basic_syncbuf( basic_syncbuf&& rhs); (4) 1) Default constructor: creates an instance of std::basic_syncbuf with emit-on-sync policy set to false, wrapped streambuffer set to nullptr, and using default-constructed Allocator as the allocator for temporary stor- age. 2,3) Creates an instance of std::basic_syncbuf with emit-on-sync policy set to false, wrapped streambuffer set to obuf, and using a as the alloca- tor for temporary storage. 4) Move constructor: move-constructs a std::basic_syncbuf object by moving all contents from another std::basic_syncbuf object rhs, including the temporary storage, the wrapped stream pointer, policy, and all other state (such as the mutex pointer). After move, rhs is not associated with a stream, and rhs.get_wrapped()==nullptr. The put area member pointers of the base class std::basic_streambuf of rhs are guaranteed to be null. Destroying a moved-from rhs will not produce any output. Parameters obuf - pointer to the std::basic_streambuf to wrap a - the allocator to use for temporary storage rhs - another std::basic_syncbuf to move from Exceptions 2,3) May throw std::bad_alloc from the constructor of the internal temporary storage or std::system_error from the mutex construction. Notes Typically called by the appropriate constructors of std::ba- sic_osyncstream. Example This section is incomplete Reason: no example See also sync synchronizes the buffers with the associated character se- quence [virtual] (virtual protected member function of std::basic_stream- buf<CharT,Traits>) emit atomically transmits the entire internal buffer to the wrapped streambuf (public member function) http://cppreference.com 2022.07.31 std::basic_...asic_syncbuf(3)
NAME | Synopsis | Parameters | Exceptions | Notes | Example | See also
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