handle-inl.h File Reference

#include <assert.h>
#include <io.h>
#include "uv.h"
#include "internal.h"

Go to the source code of this file.

Macros
#define	DECREASE_ACTIVE_COUNT(loop, handle)
#define	INCREASE_ACTIVE_COUNT(loop, handle)
#define	DECREASE_PENDING_REQ_COUNT(handle)
#define	uv__handle_closing(handle)
#define	uv__handle_close(handle)

Functions
static INLINE void	uv_want_endgame (uv_loop_t *loop, uv_handle_t *handle)
static INLINE void	uv_process_endgames (uv_loop_t *loop)
static INLINE HANDLE	uv__get_osfhandle (int fd)

Macro Definition Documentation

DECREASE_ACTIVE_COUNT

#define DECREASE_ACTIVE_COUNT	(		loop,
			handle
	)

Value:

  do {                                                                  \
    if (--(handle)->activecnt == 0 &&                                   \
        !((handle)->flags & UV_HANDLE_CLOSING)) {                       \
      uv__handle_stop((handle));                                        \
    }                                                                   \
    assert((handle)->activecnt >= 0);                                   \
  } while (0)

Definition at line 32 of file handle-inl.h.

DECREASE_PENDING_REQ_COUNT

#define DECREASE_PENDING_REQ_COUNT

(

handle

)

Value:

  do {                                                                  \
    assert(handle->reqs_pending > 0);                                   \
    handle->reqs_pending--;                                             \
                                                                        \
    if (handle->flags & UV_HANDLE_CLOSING &&                            \
        handle->reqs_pending == 0) {                                    \
      uv_want_endgame(loop, (uv_handle_t*)handle);                      \
    }                                                                   \
  } while (0)

Definition at line 51 of file handle-inl.h.

INCREASE_ACTIVE_COUNT

#define INCREASE_ACTIVE_COUNT	(		loop,
			handle
	)

Value:

  do {                                                                  \
    if ((handle)->activecnt++ == 0) {                                   \
      uv__handle_start((handle));                                       \
    }                                                                   \
    assert((handle)->activecnt > 0);                                    \
  } while (0)

Definition at line 42 of file handle-inl.h.

uv__handle_close

#define uv__handle_close

(

handle

)

Value:

  do {                                                                  \
    QUEUE_REMOVE(&(handle)->handle_queue);                              \
    uv__active_handle_rm((uv_handle_t*) (handle));                      \
                                                                        \
    (handle)->flags |= UV_HANDLE_CLOSED;                                \
                                                                        \
    if ((handle)->close_cb)                                             \
      (handle)->close_cb((uv_handle_t*) (handle));                      \
  } while (0)

Definition at line 76 of file handle-inl.h.

uv__handle_closing

#define uv__handle_closing

(

handle

)

Value:

  do {                                                                  \
    assert(!((handle)->flags & UV_HANDLE_CLOSING));                     \
                                                                        \
    if (!(((handle)->flags & UV_HANDLE_ACTIVE) &&                       \
          ((handle)->flags & UV_HANDLE_REF)))                           \
      uv__active_handle_add((uv_handle_t*) (handle));                   \
                                                                        \
    (handle)->flags |= UV_HANDLE_CLOSING;                               \
    (handle)->flags &= ~UV_HANDLE_ACTIVE;                               \
  } while (0)

Definition at line 63 of file handle-inl.h.

Function Documentation

uv__get_osfhandle()

static INLINE HANDLE uv__get_osfhandle ( int  fd )

static

Definition at line 166 of file handle-inl.h.

{
  /* _get_osfhandle() raises an assert in debug builds if the FD is invalid.
   * But it also correctly checks the FD and returns INVALID_HANDLE_VALUE for
   * invalid FDs in release builds (or if you let the assert continue). So this
   * wrapper function disables asserts when calling _get_osfhandle. */
 
  HANDLE handle;
  UV_BEGIN_DISABLE_CRT_ASSERT();
  handle = (HANDLE) _get_osfhandle(fd);
  UV_END_DISABLE_CRT_ASSERT();
  return handle;
}

References fd, handle, HANDLE, UV_BEGIN_DISABLE_CRT_ASSERT, and UV_END_DISABLE_CRT_ASSERT.

Referenced by fs__fchmod(), fs__fstat(), fs__ftruncate(), fs__futime(), fs__read(), fs__sync_impl(), fs__write(), uv__duplicate_fd(), uv_get_osfhandle(), uv_guess_handle(), uv_pipe_open(), uv_poll_init(), and uv_tty_init().

uv_process_endgames()

static INLINE void uv_process_endgames ( uv_loop_t *  loop )

static

Definition at line 98 of file handle-inl.h.

                                                        {
  uv_handle_t* handle;
 
  while (loop->endgame_handles) {
    handle = loop->endgame_handles;
    loop->endgame_handles = handle->endgame_next;
 
    handle->flags &= ~UV_HANDLE_ENDGAME_QUEUED;
 
    switch (handle->type) {
      case UV_TCP:
        uv_tcp_endgame(loop, (uv_tcp_t*) handle);
        break;
 
      case UV_NAMED_PIPE:
        uv_pipe_endgame(loop, (uv_pipe_t*) handle);
        break;
 
      case UV_TTY:
        uv_tty_endgame(loop, (uv_tty_t*) handle);
        break;
 
      case UV_UDP:
        uv_udp_endgame(loop, (uv_udp_t*) handle);
        break;
 
      case UV_POLL:
        uv_poll_endgame(loop, (uv_poll_t*) handle);
        break;
 
      case UV_TIMER:
        uv__timer_close((uv_timer_t*) handle);
        uv__handle_close(handle);
        break;
 
      case UV_PREPARE:
      case UV_CHECK:
      case UV_IDLE:
        uv_loop_watcher_endgame(loop, handle);
        break;
 
      case UV_ASYNC:
        uv_async_endgame(loop, (uv_async_t*) handle);
        break;
 
      case UV_SIGNAL:
        uv_signal_endgame(loop, (uv_signal_t*) handle);
        break;
 
      case UV_PROCESS:
        uv_process_endgame(loop, (uv_process_t*) handle);
        break;
 
      case UV_FS_EVENT:
        uv_fs_event_endgame(loop, (uv_fs_event_t*) handle);
        break;
 
      case UV_FS_POLL:
        uv__fs_poll_endgame(loop, (uv_fs_poll_t*) handle);
        break;
 
      default:
        assert(0);
        break;
    }
  }
}

References assert(), handle, loop, uv__fs_poll_endgame(), uv__handle_close, uv__timer_close(), uv_async_endgame(), uv_fs_event_endgame(), UV_HANDLE_ENDGAME_QUEUED, uv_loop_watcher_endgame(), uv_pipe_endgame(), uv_poll_endgame(), uv_process_endgame(), uv_signal_endgame(), uv_tcp_endgame(), uv_tty_endgame(), and uv_udp_endgame().

Referenced by uv_run().

uv_want_endgame()

static INLINE void uv_want_endgame ( uv_loop_t *  loop, uv_handle_t *  handle  )

static

Definition at line 88 of file handle-inl.h.

                                                                         {
  if (!(handle->flags & UV_HANDLE_ENDGAME_QUEUED)) {
    handle->flags |= UV_HANDLE_ENDGAME_QUEUED;
 
    handle->endgame_next = loop->endgame_handles;
    loop->endgame_handles = handle;
  }
}

References handle, loop, and UV_HANDLE_ENDGAME_QUEUED.

Referenced by uv__fast_poll_process_poll_req(), uv__slow_poll_process_poll_req(), uv_async_close(), uv_close(), uv_fs_event_close(), uv_pipe_close(), uv_poll_close(), uv_process_async_wakeup_req(), uv_process_close(), uv_process_fs_event_req(), uv_process_pipe_write_req(), uv_process_proc_exit(), uv_process_signal_req(), uv_process_tcp_write_req(), uv_process_tty_write_req(), uv_shutdown(), uv_signal_close(), uv_tcp_close(), uv_tty_close(), and uv_udp_close().