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<li class="navelem"><a class="el" href="dir_000000.html">include</a></li><li class="navelem"><a class="el" href="dir_000002.html">replacements</a></li> </ul>
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<div class="title">poll.h</div> </div>
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<a href="a00461.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> </div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="preprocessor">#if !defined(_REPLACEMENTS_POLL_H) && !defined(HAVE_POLL)</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="preprocessor">#define _REPLACEMENTS_POLL_H</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> </div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="preprocessor">#include <config.h></span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> </div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="preprocessor">#if HAVE_LIMITS_H</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="preprocessor">#include <limits.h></span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="preprocessor">#endif </span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> </div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#if HAVE_SYS_SELECT_H</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor">#include <sys/select.h></span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="preprocessor">#endif </span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> </div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#if defined(_WIN32)</span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor">#include <winsock2.h></span></div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> </div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#if defined(__VMS)</span></div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include <time.h></span> <span class="comment">/* FD_SETSIZE is in here */</span></div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> </div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#if !defined(FD_SETSIZE)</span></div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor"># if !defined(OPEN_MAX)</span></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor"># error cannot establish FD_SETSIZE</span></div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor"># endif</span></div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#define FD_SETSIZE OPEN_MAX</span></div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> </div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="preprocessor">#include <freetds/pushvis.h></span></div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> </div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="preprocessor">#ifndef _WIN32</span></div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="comment">/* poll flags */</span></div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="preprocessor"># define POLLIN 0x0001</span></div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="preprocessor"># define POLLOUT 0x0004</span></div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="preprocessor"># define POLLERR 0x0008</span></div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> </div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="comment">/* synonyms */</span></div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="preprocessor"># define POLLNORM POLLIN</span></div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="preprocessor"># define POLLPRI POLLIN</span></div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="preprocessor"># define POLLRDNORM POLLIN</span></div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="preprocessor"># define POLLRDBAND POLLIN</span></div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="preprocessor"># define POLLWRNORM POLLOUT</span></div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="preprocessor"># define POLLWRBAND POLLOUT</span></div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span> </div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="comment">/* ignored */</span></div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="preprocessor"># define POLLHUP 0x0010</span></div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="preprocessor"># define POLLNVAL 0x0020</span></div><div class="line"><a name="l00052"></a><span class="lineno"><a class="line" href="a01229.html"> 52</a></span> <span class="keyword">typedef</span> <span class="keyword">struct </span><a class="code" href="a01229.html">pollfd</a> {</div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <span class="keywordtype">int</span> fd; <span class="comment">/* file descriptor to poll */</span></div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <span class="keywordtype">short</span> events; <span class="comment">/* events of interest on fd */</span></div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <span class="keywordtype">short</span> revents; <span class="comment">/* events that occurred on fd */</span></div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span> } <a class="code" href="a01229.html">pollfd_t</a>;</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span> </div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="preprocessor">#else </span><span class="comment">/* Windows */</span><span class="preprocessor"></span></div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="comment">/*</span></div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span> <span class="comment"> * Windows use different constants then Unix</span></div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="comment"> * Newer version have a WSAPoll which is equal to Unix poll</span></div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span> <span class="comment"> */</span></div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span> <span class="preprocessor"># if !defined(POLLRDNORM) && !defined(POLLWRNORM)</span></div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span> <span class="preprocessor"># define POLLIN 0x0300</span></div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span> <span class="preprocessor"># define POLLOUT 0x0010</span></div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span> <span class="preprocessor"># define POLLERR 0x0001</span></div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span> <span class="preprocessor"># define POLLRDNORM 0x0100</span></div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span> <span class="preprocessor"># define POLLWRNORM 0x0010</span></div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span> <span class="keyword">typedef</span> <span class="keyword">struct </span><a class="code" href="a01229.html">pollfd</a> {</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  SOCKET fd; <span class="comment">/* file descriptor to poll */</span></div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <span class="keywordtype">short</span> events; <span class="comment">/* events of interest on fd */</span></div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="keywordtype">short</span> revents; <span class="comment">/* events that occurred on fd */</span></div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span> } <a class="code" href="a01229.html">pollfd_t</a>;</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span> <span class="preprocessor"># else</span></div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span> <span class="keyword">typedef</span> <span class="keyword">struct </span><a class="code" href="a01229.html">pollfd</a> pollfd_t;</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span> <span class="preprocessor"># endif</span></div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span> </div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span> <span class="preprocessor">#undef poll</span></div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span> <span class="keywordtype">int</span> tds_poll(<span class="keyword">struct</span> <a class="code" href="a01229.html">pollfd</a> fds[], <span class="keywordtype">int</span> nfds, <span class="keywordtype">int</span> timeout);</div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span> <span class="preprocessor">#define poll(fds, nfds, timeout) tds_poll(fds, nfds, timeout)</span></div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span> </div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span> <span class="preprocessor">#include <freetds/popvis.h></span></div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span> </div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span> <span class="preprocessor">#endif</span></div><div class="ttc" id="a01229_html"><div class="ttname"><a href="a01229.html">pollfd</a></div><div class="ttdef"><b>Definition:</b> poll.h:52</div></div>
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