POSIX.hpp

   1 #ifndef POSIX_DOT_HPP
   2 #define POSIX_DOT_HPP
   3
   4 #include <chrono>
   5 #include <functional>
   6 #include <ios>
   7
   8 #include <unistd.h>
   9
  10 constexpr void null_hook(void) {}
  11
  12 class POSIX {
  13 public:
  14   POSIX()             = delete;
  15   POSIX(POSIX const&) = delete;
  16
  17   static void set_nonblocking(int fd);
  18
  19   static bool input_ready(int fd_in, std::chrono::milliseconds wait);
  20   static bool output_ready(int fd_out, std::chrono::milliseconds wait);
  21
  22   static std::streamsize read(int                       fd,
  23                               char*                     s,
  24                               std::streamsize           n,
  25                               std::function<void(void)> read_hook,
  26                               std::chrono::milliseconds timeout,
  27                               bool&                     t_o);
  28
  29   static std::streamsize write(int                       fd,
  30                                const char*               s,
  31                                std::streamsize           n,
  32                                std::chrono::milliseconds timeout,
  33                                bool&                     t_o);
  34 };
  35
  36 #endif // POSIX_DOT_HPP