source/pipe.h

   1 #ifndef MSP_IO_PIPE_H_
   2 #define MSP_IO_PIPE_H_
   3
   4 #include "base.h"
   5
   6 namespace Msp {
   7 namespace IO {
   8
   9 class Pipe: public Base
  10 {
  11 private:
  12         Handle handle[2];
  13 #ifdef WIN32
  14         OVERLAPPED *overlapped;
  15         Handle event;
  16         unsigned buf_size;
  17         char *buffer;
  18         unsigned buf_avail;
  19         char *buf_next;
  20 #endif
  21
  22 public:
  23         Pipe();
  24         ~Pipe();
  25
  26         void close();
  27
  28         void set_block(bool);
  29
  30 protected:
  31         virtual unsigned do_write(const char *, unsigned);
  32         virtual unsigned do_read(char *, unsigned);
  33
  34 public:
  35         virtual Handle get_event_handle();
  36 };
  37
  38 } // namespace IO
  39 } // namespace Msp
  40
  41 #endif