poll.hpp

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#ifndef LELY_IO_POLL_HPP_
#define LELY_IO_POLL_HPP_
 
#ifndef __cplusplus
#error "include <lely/io/poll.h> for the C interface"
#endif
 
#include <lely/util/c_type.hpp>
 
namespace lely {
class IOPoll;
}
typedef lely::IOPoll io_poll_t;
 
#include <lely/io/poll.h>
 
namespace lely {

template <>
struct c_type_traits<__io_poll> {
  typedef __io_poll value_type;
  typedef value_type& reference;
  typedef const value_type& const_reference;
  typedef value_type* pointer;
  typedef const value_type* const_pointer;
 
  static void*
  alloc() noexcept {
    return __io_poll_alloc();
  }
  static void
  free(void* ptr) noexcept {
    __io_poll_free(ptr);
  }
 
  static pointer
  init(pointer p) noexcept {
    return __io_poll_init(p);
  }
  static void
  fini(pointer p) noexcept {
    __io_poll_fini(p);
  }
};

class IOPoll : public incomplete_c_type<__io_poll> {
  typedef incomplete_c_type<__io_poll> c_base;
 
 public:
  IOPoll() : c_base() {}
 
  int
  watch(io_handle_t handle, struct io_event* event,
        bool keep = false) noexcept {
    return io_poll_watch(this, handle, event, keep);
  }
 
  int
  wait(int maxevents, struct io_event* events, int timeout = 0) noexcept {
    return io_poll_wait(this, maxevents, events, timeout);
  }
 
  int
  signal(unsigned char sig) noexcept {
    return io_poll_signal(this, sig);
  }
 
 protected:
  ~IOPoll() {}
};
 
}  // namespace lely
 
#endif  // !LELY_IO_POLL_HPP_