Line data    Source code

       1             : #ifndef AMREX_VISMF_BUFFER_H_
       2             : #define AMREX_VISMF_BUFFER_H_
       3             : #include <AMReX_Config.H>
       4             : 
       5             : #include <AMReX_BLassert.H>
       6             : #include <AMReX_Extension.H>
       7             : #include <AMReX_INT.H>
       8             : #include <AMReX_Vector.H>
       9             : 
      10             : namespace amrex {
      11             : 
      12             : class VisMFBuffer
      13             : {
      14             : public:
      15             :     //! We try to do I/O with buffers of this size.
      16             :     enum { IO_Buffer_Size = 262144 * 8 };
      17             :     //! The type of a char buffer required by [p]setbuf().
      18             : #ifdef BL_SETBUF_SIGNED_CHAR
      19             :     using Setbuf_Char_Type = signed char;
      20             : #else
      21             :     using Setbuf_Char_Type = char;
      22             : #endif
      23             :     //! A simple character buffer for setbuf() usage.
      24             :     using IO_Buffer = Vector<Setbuf_Char_Type>;
      25             : 
      26           0 :     static Long GetIOBufferSize () { return ioBufferSize; }
      27             :     static void SetIOBufferSize (Long iobuffersize) {
      28             :         BL_ASSERT(iobuffersize > 0);
      29             :         ioBufferSize = iobuffersize;
      30             :     }
      31             : 
      32             :     static void ClearBuffer (IO_Buffer& buf) {
      33             :         IO_Buffer().swap(buf);
      34             :     }
      35             : 
      36             : protected:
      37             : 
      38             :     static AMREX_EXPORT Long ioBufferSize;   //!< ---- the settable buffer size
      39             : };
      40             : 
      41             : }
      42             : 
      43             : #endif