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160
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1
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2 .. _check:
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3
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4 :c:type:`uv_check_t` --- Check handle
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5 =====================================
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6
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7 Check handles will run the given callback once per loop iteration, right
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8 after polling for i/o.
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9
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10
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11 Data types
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12 ----------
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13
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14 .. c:type:: uv_check_t
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15
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16 Check handle type.
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17
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18 .. c:type:: void (*uv_check_cb)(uv_check_t* handle)
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19
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20 Type definition for callback passed to :c:func:`uv_check_start`.
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21
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22
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23 Public members
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24 ^^^^^^^^^^^^^^
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25
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26 N/A
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27
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28 .. seealso:: The :c:type:`uv_handle_t` members also apply.
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29
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30
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31 API
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32 ---
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33
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34 .. c:function:: int uv_check_init(uv_loop_t* loop, uv_check_t* check)
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35
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36 Initialize the handle. This function always succeeds.
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37
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38 :returns: 0
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39
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40 .. c:function:: int uv_check_start(uv_check_t* check, uv_check_cb cb)
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41
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42 Start the handle with the given callback. This function always succeeds,
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43 except when `cb` is `NULL`.
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44
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45 :returns: 0 on success, or `UV_EINVAL` when `cb == NULL`.
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46
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47 .. c:function:: int uv_check_stop(uv_check_t* check)
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48
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49 Stop the handle, the callback will no longer be called.
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50 This function always succeeds.
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51
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52 :returns: 0
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53
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54 .. seealso:: The :c:type:`uv_handle_t` API functions also apply.
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