1# 获取进程相关的信息<a name="ZH-CN_TOPIC_0000001164806436"></a> 2 3> **说明：** 4>从 API Version 7 开始支持。 5 6## 导入模块<a name="zh-cn_topic_0000001164647334_s56d19203690d4782bfc74069abb6bd71"></a> 7 8``` 9import process from '@ohos.process'; 10``` 11 12## 权限<a name="zh-cn_topic_0000001164647334_section11257113618419"></a> 13 14无 15 16## 属性<a name="zh-cn_topic_0000001164647334_section3317114914546"></a> 17 18<a name="zh-cn_topic_0000001164647334_table11454105725410"></a> 19<table><thead align="left"><tr id="zh-cn_topic_0000001164647334_row7455457115414"><th class="cellrowborder" valign="top" width="14.399999999999999%" id="mcps1.1.6.1.1"><p id="zh-cn_topic_0000001164647334_p84551257175410"><a name="zh-cn_topic_0000001164647334_p84551257175410"></a><a name="zh-cn_topic_0000001164647334_p84551257175410"></a>名称</p> 20</th> 21<th class="cellrowborder" valign="top" width="21.16%" id="mcps1.1.6.1.2"><p id="zh-cn_topic_0000001164647334_p134557578549"><a name="zh-cn_topic_0000001164647334_p134557578549"></a><a name="zh-cn_topic_0000001164647334_p134557578549"></a>类型</p> 22</th> 23<th class="cellrowborder" valign="top" width="8.39%" id="mcps1.1.6.1.3"><p id="zh-cn_topic_0000001164647334_p34551957175411"><a name="zh-cn_topic_0000001164647334_p34551957175411"></a><a name="zh-cn_topic_0000001164647334_p34551957175411"></a>可读</p> 24</th> 25<th class="cellrowborder" valign="top" width="8.110000000000001%" id="mcps1.1.6.1.4"><p id="zh-cn_topic_0000001164647334_p2045510572545"><a name="zh-cn_topic_0000001164647334_p2045510572545"></a><a name="zh-cn_topic_0000001164647334_p2045510572545"></a>可写</p> 26</th> 27<th class="cellrowborder" valign="top" width="47.94%" id="mcps1.1.6.1.5"><p id="zh-cn_topic_0000001164647334_p145575714544"><a name="zh-cn_topic_0000001164647334_p145575714544"></a><a name="zh-cn_topic_0000001164647334_p145575714544"></a>说明</p> 28</th> 29</tr> 30</thead> 31<tbody><tr id="zh-cn_topic_0000001164647334_row16455135745414"><td class="cellrowborder" valign="top" width="14.399999999999999%" headers="mcps1.1.6.1.1 "><p id="zh-cn_topic_0000001164647334_p17455657165416"><a name="zh-cn_topic_0000001164647334_p17455657165416"></a><a name="zh-cn_topic_0000001164647334_p17455657165416"></a>getEgid</p> 32</td> 33<td class="cellrowborder" valign="top" width="21.16%" headers="mcps1.1.6.1.2 "><p id="zh-cn_topic_0000001164647334_p1973158115511"><a name="zh-cn_topic_0000001164647334_p1973158115511"></a><a name="zh-cn_topic_0000001164647334_p1973158115511"></a>number</p> 34</td> 35<td class="cellrowborder" valign="top" width="8.39%" headers="mcps1.1.6.1.3 "><p id="zh-cn_topic_0000001164647334_p84554571547"><a name="zh-cn_topic_0000001164647334_p84554571547"></a><a name="zh-cn_topic_0000001164647334_p84554571547"></a>是</p> 36</td> 37<td class="cellrowborder" valign="top" width="8.110000000000001%" headers="mcps1.1.6.1.4 "><p id="zh-cn_topic_0000001164647334_p114551657185413"><a name="zh-cn_topic_0000001164647334_p114551657185413"></a><a name="zh-cn_topic_0000001164647334_p114551657185413"></a>否</p> 38</td> 39<td class="cellrowborder" valign="top" width="47.94%" headers="mcps1.1.6.1.5 "><p id="zh-cn_topic_0000001164647334_p14455857115415"><a name="zh-cn_topic_0000001164647334_p14455857115415"></a><a name="zh-cn_topic_0000001164647334_p14455857115415"></a>获取进程的有效组标识。</p> 40</td> 41</tr> 42<tr id="zh-cn_topic_0000001164647334_row184551357135416"><td class="cellrowborder" valign="top" width="14.399999999999999%" headers="mcps1.1.6.1.1 "><p id="zh-cn_topic_0000001164647334_p8455135711544"><a name="zh-cn_topic_0000001164647334_p8455135711544"></a><a name="zh-cn_topic_0000001164647334_p8455135711544"></a>getEuid</p> 43</td> 44<td class="cellrowborder" valign="top" width="21.16%" headers="mcps1.1.6.1.2 "><p id="zh-cn_topic_0000001164647334_p6943158185519"><a name="zh-cn_topic_0000001164647334_p6943158185519"></a><a name="zh-cn_topic_0000001164647334_p6943158185519"></a>number</p> 45</td> 46<td class="cellrowborder" valign="top" width="8.39%" headers="mcps1.1.6.1.3 "><p id="zh-cn_topic_0000001164647334_p3455185745417"><a name="zh-cn_topic_0000001164647334_p3455185745417"></a><a name="zh-cn_topic_0000001164647334_p3455185745417"></a>是</p> 47</td> 48<td class="cellrowborder" valign="top" width="8.110000000000001%" headers="mcps1.1.6.1.4 "><p id="zh-cn_topic_0000001164647334_p2045585717548"><a name="zh-cn_topic_0000001164647334_p2045585717548"></a><a name="zh-cn_topic_0000001164647334_p2045585717548"></a>否</p> 49</td> 50<td class="cellrowborder" valign="top" width="47.94%" headers="mcps1.1.6.1.5 "><p id="zh-cn_topic_0000001164647334_p94821125817"><a name="zh-cn_topic_0000001164647334_p94821125817"></a><a name="zh-cn_topic_0000001164647334_p94821125817"></a>获取进程的有效用户身份。</p> 51</td> 52</tr> 53<tr id="zh-cn_topic_0000001164647334_row3455357115411"><td class="cellrowborder" valign="top" width="14.399999999999999%" headers="mcps1.1.6.1.1 "><p id="zh-cn_topic_0000001164647334_p1345585785412"><a name="zh-cn_topic_0000001164647334_p1345585785412"></a><a name="zh-cn_topic_0000001164647334_p1345585785412"></a>getGid</p> 54</td> 55<td class="cellrowborder" valign="top" width="21.16%" headers="mcps1.1.6.1.2 "><p id="zh-cn_topic_0000001164647334_p136661259155511"><a name="zh-cn_topic_0000001164647334_p136661259155511"></a><a name="zh-cn_topic_0000001164647334_p136661259155511"></a>number</p> 56</td> 57<td class="cellrowborder" valign="top" width="8.39%" headers="mcps1.1.6.1.3 "><p id="zh-cn_topic_0000001164647334_p04561457185415"><a name="zh-cn_topic_0000001164647334_p04561457185415"></a><a name="zh-cn_topic_0000001164647334_p04561457185415"></a>是</p> 58</td> 59<td class="cellrowborder" valign="top" width="8.110000000000001%" headers="mcps1.1.6.1.4 "><p id="zh-cn_topic_0000001164647334_p64561757195414"><a name="zh-cn_topic_0000001164647334_p64561757195414"></a><a name="zh-cn_topic_0000001164647334_p64561757195414"></a>否</p> 60</td> 61<td class="cellrowborder" valign="top" width="47.94%" headers="mcps1.1.6.1.5 "><p id="zh-cn_topic_0000001164647334_p6455857135420"><a name="zh-cn_topic_0000001164647334_p6455857135420"></a><a name="zh-cn_topic_0000001164647334_p6455857135420"></a>获取进程的组标识。</p> 62</td> 63</tr> 64<tr id="zh-cn_topic_0000001164647334_row1456857195411"><td class="cellrowborder" valign="top" width="14.399999999999999%" headers="mcps1.1.6.1.1 "><p id="zh-cn_topic_0000001164647334_p1145614577542"><a name="zh-cn_topic_0000001164647334_p1145614577542"></a><a name="zh-cn_topic_0000001164647334_p1145614577542"></a>getUid</p> 65</td> 66<td class="cellrowborder" valign="top" width="21.16%" headers="mcps1.1.6.1.2 "><p id="zh-cn_topic_0000001164647334_p105921606564"><a name="zh-cn_topic_0000001164647334_p105921606564"></a><a name="zh-cn_topic_0000001164647334_p105921606564"></a>number</p> 67</td> 68<td class="cellrowborder" valign="top" width="8.39%" headers="mcps1.1.6.1.3 "><p id="zh-cn_topic_0000001164647334_p16456125755417"><a name="zh-cn_topic_0000001164647334_p16456125755417"></a><a name="zh-cn_topic_0000001164647334_p16456125755417"></a>是</p> 69</td> 70<td class="cellrowborder" valign="top" width="8.110000000000001%" headers="mcps1.1.6.1.4 "><p id="zh-cn_topic_0000001164647334_p3456257165416"><a name="zh-cn_topic_0000001164647334_p3456257165416"></a><a name="zh-cn_topic_0000001164647334_p3456257165416"></a>否</p> 71</td> 72<td class="cellrowborder" valign="top" width="47.94%" headers="mcps1.1.6.1.5 "><p id="zh-cn_topic_0000001164647334_p1545610579549"><a name="zh-cn_topic_0000001164647334_p1545610579549"></a><a name="zh-cn_topic_0000001164647334_p1545610579549"></a>获取进程的用户标识。</p> 73</td> 74</tr> 75<tr id="zh-cn_topic_0000001164647334_row134569575540"><td class="cellrowborder" valign="top" width="14.399999999999999%" headers="mcps1.1.6.1.1 "><p id="zh-cn_topic_0000001164647334_p5456155775414"><a name="zh-cn_topic_0000001164647334_p5456155775414"></a><a name="zh-cn_topic_0000001164647334_p5456155775414"></a>getGroups</p> 76</td> 77<td class="cellrowborder" valign="top" width="21.16%" headers="mcps1.1.6.1.2 "><p id="zh-cn_topic_0000001164647334_p1094449195614"><a name="zh-cn_topic_0000001164647334_p1094449195614"></a><a name="zh-cn_topic_0000001164647334_p1094449195614"></a>number[]</p> 78</td> 79<td class="cellrowborder" valign="top" width="8.39%" headers="mcps1.1.6.1.3 "><p id="zh-cn_topic_0000001164647334_p1745695725412"><a name="zh-cn_topic_0000001164647334_p1745695725412"></a><a name="zh-cn_topic_0000001164647334_p1745695725412"></a>是</p> 80</td> 81<td class="cellrowborder" valign="top" width="8.110000000000001%" headers="mcps1.1.6.1.4 "><p id="zh-cn_topic_0000001164647334_p19456195718542"><a name="zh-cn_topic_0000001164647334_p19456195718542"></a><a name="zh-cn_topic_0000001164647334_p19456195718542"></a>否</p> 82</td> 83<td class="cellrowborder" valign="top" width="47.94%" headers="mcps1.1.6.1.5 "><p id="zh-cn_topic_0000001164647334_p12456257145411"><a name="zh-cn_topic_0000001164647334_p12456257145411"></a><a name="zh-cn_topic_0000001164647334_p12456257145411"></a>获取一个带有补充组id的数组。</p> 84</td> 85</tr> 86<tr id="zh-cn_topic_0000001164647334_row2456155735410"><td class="cellrowborder" valign="top" width="14.399999999999999%" headers="mcps1.1.6.1.1 "><p id="zh-cn_topic_0000001164647334_p145695716545"><a name="zh-cn_topic_0000001164647334_p145695716545"></a><a name="zh-cn_topic_0000001164647334_p145695716545"></a>getPid</p> 87</td> 88<td class="cellrowborder" valign="top" width="21.16%" headers="mcps1.1.6.1.2 "><p id="zh-cn_topic_0000001164647334_p917781619565"><a name="zh-cn_topic_0000001164647334_p917781619565"></a><a name="zh-cn_topic_0000001164647334_p917781619565"></a>number</p> 89</td> 90<td class="cellrowborder" valign="top" width="8.39%" headers="mcps1.1.6.1.3 "><p id="zh-cn_topic_0000001164647334_p145625711546"><a name="zh-cn_topic_0000001164647334_p145625711546"></a><a name="zh-cn_topic_0000001164647334_p145625711546"></a>是</p> 91</td> 92<td class="cellrowborder" valign="top" width="8.110000000000001%" headers="mcps1.1.6.1.4 "><p id="zh-cn_topic_0000001164647334_p17456105745419"><a name="zh-cn_topic_0000001164647334_p17456105745419"></a><a name="zh-cn_topic_0000001164647334_p17456105745419"></a>否</p> 93</td> 94<td class="cellrowborder" valign="top" width="47.94%" headers="mcps1.1.6.1.5 "><p id="zh-cn_topic_0000001164647334_p1545612577543"><a name="zh-cn_topic_0000001164647334_p1545612577543"></a><a name="zh-cn_topic_0000001164647334_p1545612577543"></a>获取当前进程的pid。</p> 95</td> 96</tr> 97<tr id="zh-cn_topic_0000001164647334_row195001712125615"><td class="cellrowborder" valign="top" width="14.399999999999999%" headers="mcps1.1.6.1.1 "><p id="zh-cn_topic_0000001164647334_p0501171213567"><a name="zh-cn_topic_0000001164647334_p0501171213567"></a><a name="zh-cn_topic_0000001164647334_p0501171213567"></a>getPpid</p> 98</td> 99<td class="cellrowborder" valign="top" width="21.16%" headers="mcps1.1.6.1.2 "><p id="zh-cn_topic_0000001164647334_p69521816125613"><a name="zh-cn_topic_0000001164647334_p69521816125613"></a><a name="zh-cn_topic_0000001164647334_p69521816125613"></a>number</p> 100</td> 101<td class="cellrowborder" valign="top" width="8.39%" headers="mcps1.1.6.1.3 "><p id="zh-cn_topic_0000001164647334_p550171217569"><a name="zh-cn_topic_0000001164647334_p550171217569"></a><a name="zh-cn_topic_0000001164647334_p550171217569"></a>是</p> 102</td> 103<td class="cellrowborder" valign="top" width="8.110000000000001%" headers="mcps1.1.6.1.4 "><p id="zh-cn_topic_0000001164647334_p19501612175616"><a name="zh-cn_topic_0000001164647334_p19501612175616"></a><a name="zh-cn_topic_0000001164647334_p19501612175616"></a>否</p> 104</td> 105<td class="cellrowborder" valign="top" width="47.94%" headers="mcps1.1.6.1.5 "><p id="zh-cn_topic_0000001164647334_p2050111216567"><a name="zh-cn_topic_0000001164647334_p2050111216567"></a><a name="zh-cn_topic_0000001164647334_p2050111216567"></a>获取当前进程的父进程的pid。</p> 106</td> 107</tr> 108</tbody> 109</table> 110 111## ChildProcess<a name="zh-cn_topic_0000001164647334_section6521387200"></a> 112 113主进程可以获取子进程的标准输入输出，以及发送信号和关闭子进程。 114 115### 属性<a name="zh-cn_topic_0000001164647334_section18482944113517"></a> 116 117<a name="zh-cn_topic_0000001164647334_table20482104463514"></a> 118<table><thead align="left"><tr id="zh-cn_topic_0000001164647334_row1348214444357"><th class="cellrowborder" valign="top" width="15.870000000000001%" id="mcps1.1.6.1.1"><p id="zh-cn_topic_0000001164647334_p184822443351"><a name="zh-cn_topic_0000001164647334_p184822443351"></a><a name="zh-cn_topic_0000001164647334_p184822443351"></a>名称</p> 119</th> 120<th class="cellrowborder" valign="top" width="10.86%" id="mcps1.1.6.1.2"><p id="zh-cn_topic_0000001164647334_p1648254415353"><a name="zh-cn_topic_0000001164647334_p1648254415353"></a><a name="zh-cn_topic_0000001164647334_p1648254415353"></a>类型</p> 121</th> 122<th class="cellrowborder" valign="top" width="9.34%" id="mcps1.1.6.1.3"><p id="zh-cn_topic_0000001164647334_p9482124413355"><a name="zh-cn_topic_0000001164647334_p9482124413355"></a><a name="zh-cn_topic_0000001164647334_p9482124413355"></a>可读</p> 123</th> 124<th class="cellrowborder" valign="top" width="11.51%" id="mcps1.1.6.1.4"><p id="zh-cn_topic_0000001164647334_p3482124493515"><a name="zh-cn_topic_0000001164647334_p3482124493515"></a><a name="zh-cn_topic_0000001164647334_p3482124493515"></a>可写</p> 125</th> 126<th class="cellrowborder" valign="top" width="52.42%" id="mcps1.1.6.1.5"><p id="zh-cn_topic_0000001164647334_p12482104483513"><a name="zh-cn_topic_0000001164647334_p12482104483513"></a><a name="zh-cn_topic_0000001164647334_p12482104483513"></a>说明</p> 127</th> 128</tr> 129</thead> 130<tbody><tr id="zh-cn_topic_0000001164647334_row148254473513"><td class="cellrowborder" valign="top" width="15.870000000000001%" headers="mcps1.1.6.1.1 "><p id="zh-cn_topic_0000001164647334_p188761547113820"><a name="zh-cn_topic_0000001164647334_p188761547113820"></a><a name="zh-cn_topic_0000001164647334_p188761547113820"></a>pid</p> 131</td> 132<td class="cellrowborder" valign="top" width="10.86%" headers="mcps1.1.6.1.2 "><p id="zh-cn_topic_0000001164647334_p3482124417356"><a name="zh-cn_topic_0000001164647334_p3482124417356"></a><a name="zh-cn_topic_0000001164647334_p3482124417356"></a>number</p> 133</td> 134<td class="cellrowborder" valign="top" width="9.34%" headers="mcps1.1.6.1.3 "><p id="zh-cn_topic_0000001164647334_p16483194443514"><a name="zh-cn_topic_0000001164647334_p16483194443514"></a><a name="zh-cn_topic_0000001164647334_p16483194443514"></a>是</p> 135</td> 136<td class="cellrowborder" valign="top" width="11.51%" headers="mcps1.1.6.1.4 "><p id="zh-cn_topic_0000001164647334_p64838449351"><a name="zh-cn_topic_0000001164647334_p64838449351"></a><a name="zh-cn_topic_0000001164647334_p64838449351"></a>否</p> 137</td> 138<td class="cellrowborder" valign="top" width="52.42%" headers="mcps1.1.6.1.5 "><p id="zh-cn_topic_0000001164647334_p7678105615402"><a name="zh-cn_topic_0000001164647334_p7678105615402"></a><a name="zh-cn_topic_0000001164647334_p7678105615402"></a>子进程的pid。</p> 139</td> 140</tr> 141<tr id="zh-cn_topic_0000001164647334_row1483164414352"><td class="cellrowborder" valign="top" width="15.870000000000001%" headers="mcps1.1.6.1.1 "><p id="zh-cn_topic_0000001164647334_p17483184419352"><a name="zh-cn_topic_0000001164647334_p17483184419352"></a><a name="zh-cn_topic_0000001164647334_p17483184419352"></a>ppid</p> 142</td> 143<td class="cellrowborder" valign="top" width="10.86%" headers="mcps1.1.6.1.2 "><p id="zh-cn_topic_0000001164647334_p9483184410355"><a name="zh-cn_topic_0000001164647334_p9483184410355"></a><a name="zh-cn_topic_0000001164647334_p9483184410355"></a>number</p> 144</td> 145<td class="cellrowborder" valign="top" width="9.34%" headers="mcps1.1.6.1.3 "><p id="zh-cn_topic_0000001164647334_p1348384415359"><a name="zh-cn_topic_0000001164647334_p1348384415359"></a><a name="zh-cn_topic_0000001164647334_p1348384415359"></a>是</p> 146</td> 147<td class="cellrowborder" valign="top" width="11.51%" headers="mcps1.1.6.1.4 "><p id="zh-cn_topic_0000001164647334_p1448312449355"><a name="zh-cn_topic_0000001164647334_p1448312449355"></a><a name="zh-cn_topic_0000001164647334_p1448312449355"></a>否</p> 148</td> 149<td class="cellrowborder" valign="top" width="52.42%" headers="mcps1.1.6.1.5 "><p id="zh-cn_topic_0000001164647334_p19949102034110"><a name="zh-cn_topic_0000001164647334_p19949102034110"></a><a name="zh-cn_topic_0000001164647334_p19949102034110"></a>子进程的父进程的pid。</p> 150</td> 151</tr> 152<tr id="zh-cn_topic_0000001164647334_row13483164419353"><td class="cellrowborder" valign="top" width="15.870000000000001%" headers="mcps1.1.6.1.1 "><p id="zh-cn_topic_0000001164647334_p10260103644215"><a name="zh-cn_topic_0000001164647334_p10260103644215"></a><a name="zh-cn_topic_0000001164647334_p10260103644215"></a>exitCode</p> 153</td> 154<td class="cellrowborder" valign="top" width="10.86%" headers="mcps1.1.6.1.2 "><p id="zh-cn_topic_0000001164647334_p4483174443517"><a name="zh-cn_topic_0000001164647334_p4483174443517"></a><a name="zh-cn_topic_0000001164647334_p4483174443517"></a>number</p> 155</td> 156<td class="cellrowborder" valign="top" width="9.34%" headers="mcps1.1.6.1.3 "><p id="zh-cn_topic_0000001164647334_p1483134419353"><a name="zh-cn_topic_0000001164647334_p1483134419353"></a><a name="zh-cn_topic_0000001164647334_p1483134419353"></a>是</p> 157</td> 158<td class="cellrowborder" valign="top" width="11.51%" headers="mcps1.1.6.1.4 "><p id="zh-cn_topic_0000001164647334_p648354483510"><a name="zh-cn_topic_0000001164647334_p648354483510"></a><a name="zh-cn_topic_0000001164647334_p648354483510"></a>否</p> 159</td> 160<td class="cellrowborder" valign="top" width="52.42%" headers="mcps1.1.6.1.5 "><p id="zh-cn_topic_0000001164647334_p348319442351"><a name="zh-cn_topic_0000001164647334_p348319442351"></a><a name="zh-cn_topic_0000001164647334_p348319442351"></a>子进程的退出码。</p> 161</td> 162</tr> 163<tr id="zh-cn_topic_0000001164647334_row1818591014310"><td class="cellrowborder" valign="top" width="15.870000000000001%" headers="mcps1.1.6.1.1 "><p id="zh-cn_topic_0000001164647334_p133731715204318"><a name="zh-cn_topic_0000001164647334_p133731715204318"></a><a name="zh-cn_topic_0000001164647334_p133731715204318"></a>killed</p> 164</td> 165<td class="cellrowborder" valign="top" width="10.86%" headers="mcps1.1.6.1.2 "><p id="zh-cn_topic_0000001164647334_p20186181084318"><a name="zh-cn_topic_0000001164647334_p20186181084318"></a><a name="zh-cn_topic_0000001164647334_p20186181084318"></a>boolean</p> 166</td> 167<td class="cellrowborder" valign="top" width="9.34%" headers="mcps1.1.6.1.3 "><p id="zh-cn_topic_0000001164647334_p61861510174314"><a name="zh-cn_topic_0000001164647334_p61861510174314"></a><a name="zh-cn_topic_0000001164647334_p61861510174314"></a>是</p> 168</td> 169<td class="cellrowborder" valign="top" width="11.51%" headers="mcps1.1.6.1.4 "><p id="zh-cn_topic_0000001164647334_p6186151034317"><a name="zh-cn_topic_0000001164647334_p6186151034317"></a><a name="zh-cn_topic_0000001164647334_p6186151034317"></a>否</p> 170</td> 171<td class="cellrowborder" valign="top" width="52.42%" headers="mcps1.1.6.1.5 "><p id="zh-cn_topic_0000001164647334_p518611015431"><a name="zh-cn_topic_0000001164647334_p518611015431"></a><a name="zh-cn_topic_0000001164647334_p518611015431"></a>父进程给子进程发信号是否成功。</p> 172</td> 173</tr> 174</tbody> 175</table> 176 177### wait<a name="zh-cn_topic_0000001164647334_section9594134194318"></a> 178 179wait\(\): Promise<number\> 180 181等待子进程运行结束，返回promise对象，其值为子进程的退出码。 182 183- 返回值： 184 185 <a name="zh-cn_topic_0000001164647334_table37864874412"></a> 186 <table><thead align="left"><tr id="zh-cn_topic_0000001164647334_row1778638104418"><th class="cellrowborder" valign="top" width="25.790000000000003%" id="mcps1.1.3.1.1"><p id="zh-cn_topic_0000001164647334_p1778613834415"><a name="zh-cn_topic_0000001164647334_p1778613834415"></a><a name="zh-cn_topic_0000001164647334_p1778613834415"></a>类型</p> 187 </th> 188 <th class="cellrowborder" valign="top" width="74.21%" id="mcps1.1.3.1.2"><p id="zh-cn_topic_0000001164647334_p6786118124414"><a name="zh-cn_topic_0000001164647334_p6786118124414"></a><a name="zh-cn_topic_0000001164647334_p6786118124414"></a>说明</p> 189 </th> 190 </tr> 191 </thead> 192 <tbody><tr id="zh-cn_topic_0000001164647334_row678611818445"><td class="cellrowborder" valign="top" width="25.790000000000003%" headers="mcps1.1.3.1.1 "><p id="zh-cn_topic_0000001164647334_p731033633210"><a name="zh-cn_topic_0000001164647334_p731033633210"></a><a name="zh-cn_topic_0000001164647334_p731033633210"></a>Promise<number></p> 193 </td> 194 <td class="cellrowborder" valign="top" width="74.21%" headers="mcps1.1.3.1.2 "><p id="zh-cn_topic_0000001164647334_p6786118144419"><a name="zh-cn_topic_0000001164647334_p6786118144419"></a><a name="zh-cn_topic_0000001164647334_p6786118144419"></a>异步返回子进程的退出码。</p> 195 </td> 196 </tr> 197 </tbody> 198 </table> 199 200- 示例： 201 202 ``` 203 import process from '@ohos.process'; 204 var child = process.runCmd('ls'); 205 var result = child.wait(); 206 result.then(val=>{ 207 console.log("result = " + val); 208 }) 209 ``` 210 211 212### getOutput<a name="zh-cn_topic_0000001164647334_section1732152812716"></a> 213 214getOutput\(\): Promise<Uint8Array\> 215 216获取子进程的标准输出。 217 218- 返回值： 219 220 <a name="zh-cn_topic_0000001164647334_table034112818718"></a> 221 <table><thead align="left"><tr id="zh-cn_topic_0000001164647334_row10341728976"><th class="cellrowborder" valign="top" width="30.98%" id="mcps1.1.3.1.1"><p id="zh-cn_topic_0000001164647334_p234182810716"><a name="zh-cn_topic_0000001164647334_p234182810716"></a><a name="zh-cn_topic_0000001164647334_p234182810716"></a>类型</p> 222 </th> 223 <th class="cellrowborder" valign="top" width="69.02000000000001%" id="mcps1.1.3.1.2"><p id="zh-cn_topic_0000001164647334_p83412820713"><a name="zh-cn_topic_0000001164647334_p83412820713"></a><a name="zh-cn_topic_0000001164647334_p83412820713"></a>说明</p> 224 </th> 225 </tr> 226 </thead> 227 <tbody><tr id="zh-cn_topic_0000001164647334_row183552814711"><td class="cellrowborder" valign="top" width="30.98%" headers="mcps1.1.3.1.1 "><p id="zh-cn_topic_0000001164647334_p035328878"><a name="zh-cn_topic_0000001164647334_p035328878"></a><a name="zh-cn_topic_0000001164647334_p035328878"></a>Promise<Uint8Array></p> 228 </td> 229 <td class="cellrowborder" valign="top" width="69.02000000000001%" headers="mcps1.1.3.1.2 "><p id="zh-cn_topic_0000001164647334_p83512284717"><a name="zh-cn_topic_0000001164647334_p83512284717"></a><a name="zh-cn_topic_0000001164647334_p83512284717"></a>异步返回标准输出的字节流。</p> 230 </td> 231 </tr> 232 </tbody> 233 </table> 234 235- 示例： 236 237 ``` 238 import process from '@ohos.process'; 239 var child = process.runCmd('ls'); 240 var result = child.wait(); 241 child.getOutput.then(val=>{ 242 console.log("child.getOutput = " + val); 243 }) 244 ``` 245 246 247### getErrorOutput<a name="zh-cn_topic_0000001164647334_section14671040141315"></a> 248 249getErrorOutput\(\): Promise<Uint8Array\> 250 251getErrorOutput函数用来获取子进程的标准错误输出。 252 253- 返回值： 254 255 <a name="zh-cn_topic_0000001164647334_table76721340131314"></a> 256 <table><thead align="left"><tr id="zh-cn_topic_0000001164647334_row46721040191315"><th class="cellrowborder" valign="top" width="30.36%" id="mcps1.1.3.1.1"><p id="zh-cn_topic_0000001164647334_p3672140111313"><a name="zh-cn_topic_0000001164647334_p3672140111313"></a><a name="zh-cn_topic_0000001164647334_p3672140111313"></a>类型</p> 257 </th> 258 <th class="cellrowborder" valign="top" width="69.64%" id="mcps1.1.3.1.2"><p id="zh-cn_topic_0000001164647334_p967214407133"><a name="zh-cn_topic_0000001164647334_p967214407133"></a><a name="zh-cn_topic_0000001164647334_p967214407133"></a>说明</p> 259 </th> 260 </tr> 261 </thead> 262 <tbody><tr id="zh-cn_topic_0000001164647334_row767214407135"><td class="cellrowborder" valign="top" width="30.36%" headers="mcps1.1.3.1.1 "><p id="zh-cn_topic_0000001164647334_p767294017137"><a name="zh-cn_topic_0000001164647334_p767294017137"></a><a name="zh-cn_topic_0000001164647334_p767294017137"></a>Promise<Uint8Array></p> 263 </td> 264 <td class="cellrowborder" valign="top" width="69.64%" headers="mcps1.1.3.1.2 "><p id="zh-cn_topic_0000001164647334_p9672144081314"><a name="zh-cn_topic_0000001164647334_p9672144081314"></a><a name="zh-cn_topic_0000001164647334_p9672144081314"></a>异步返回标准错误输出的字节流。</p> 265 </td> 266 </tr> 267 </tbody> 268 </table> 269 270- 示例： 271 272 ``` 273 import process from '@ohos.process'; 274 var child = process.runCmd('madir test.text'); 275 var result = child.wait(); 276 child.getErrorOutput.then(val=>{ 277 console.log("child.getErrorOutput= " + val); 278 }) 279 ``` 280 281 282### close<a name="zh-cn_topic_0000001164647334_section28221257121518"></a> 283 284close\(\): void 285 286关闭正在运行的子进程。 287 288- 示例： 289 290 ``` 291 import process from '@ohos.process'; 292 var child = process.runCmd('sleep 5; ls'); 293 child.close(); 294 ``` 295 296 297### kill<a name="zh-cn_topic_0000001164647334_section9528134162114"></a> 298 299kill\(signal: number | string\): void 300 301kill函数用来发送信号给子进程，结束指定进程。 302 303- 参数： 304 305 <a name="zh-cn_topic_0000001164647334_table157841181443"></a> 306 <table><thead align="left"><tr id="zh-cn_topic_0000001164647334_row10784188164412"><th class="cellrowborder" valign="top" width="14.82%" id="mcps1.1.5.1.1"><p id="zh-cn_topic_0000001164647334_p167847814420"><a name="zh-cn_topic_0000001164647334_p167847814420"></a><a name="zh-cn_topic_0000001164647334_p167847814420"></a>参数名</p> 307 </th> 308 <th class="cellrowborder" valign="top" width="26.71%" id="mcps1.1.5.1.2"><p id="zh-cn_topic_0000001164647334_p078418815441"><a name="zh-cn_topic_0000001164647334_p078418815441"></a><a name="zh-cn_topic_0000001164647334_p078418815441"></a>类型</p> 309 </th> 310 <th class="cellrowborder" valign="top" width="12.879999999999999%" id="mcps1.1.5.1.3"><p id="zh-cn_topic_0000001164647334_p14784082449"><a name="zh-cn_topic_0000001164647334_p14784082449"></a><a name="zh-cn_topic_0000001164647334_p14784082449"></a>必填</p> 311 </th> 312 <th class="cellrowborder" valign="top" width="45.59%" id="mcps1.1.5.1.4"><p id="zh-cn_topic_0000001164647334_p1878468104412"><a name="zh-cn_topic_0000001164647334_p1878468104412"></a><a name="zh-cn_topic_0000001164647334_p1878468104412"></a>说明</p> 313 </th> 314 </tr> 315 </thead> 316 <tbody><tr id="zh-cn_topic_0000001164647334_row27851385447"><td class="cellrowborder" valign="top" width="14.82%" headers="mcps1.1.5.1.1 "><p id="zh-cn_topic_0000001164647334_p2785284442"><a name="zh-cn_topic_0000001164647334_p2785284442"></a><a name="zh-cn_topic_0000001164647334_p2785284442"></a>signal</p> 317 </td> 318 <td class="cellrowborder" valign="top" width="26.71%" headers="mcps1.1.5.1.2 "><p id="zh-cn_topic_0000001164647334_p47857813448"><a name="zh-cn_topic_0000001164647334_p47857813448"></a><a name="zh-cn_topic_0000001164647334_p47857813448"></a>number | string</p> 319 </td> 320 <td class="cellrowborder" valign="top" width="12.879999999999999%" headers="mcps1.1.5.1.3 "><p id="zh-cn_topic_0000001164647334_p147859815443"><a name="zh-cn_topic_0000001164647334_p147859815443"></a><a name="zh-cn_topic_0000001164647334_p147859815443"></a>是</p> 321 </td> 322 <td class="cellrowborder" valign="top" width="45.59%" headers="mcps1.1.5.1.4 "><p id="zh-cn_topic_0000001164647334_p2078588194411"><a name="zh-cn_topic_0000001164647334_p2078588194411"></a><a name="zh-cn_topic_0000001164647334_p2078588194411"></a>数字或字符串。</p> 323 </td> 324 </tr> 325 </tbody> 326 </table> 327 328- 示例： 329 330 ``` 331 import process from '@ohos.process'; 332 var child = process.runCmd('sleep 5; ls'); 333 child.kill(9); 334 ``` 335 336 337## process.runCmd<a name="zh-cn_topic_0000001164647334_section19358326587"></a> 338 339runCmd\(command: string, options?: \{ timeout : number, killSignal ：number | string, maxBuffer : number \}\) : ChildProcess 340 341通过runcmd可以fork一个新的进程来运行一段shell，并返回ChildProcess对象。 342 343- 参数： 344 345 <a name="zh-cn_topic_0000001164647334_table1112161035716"></a> 346 <table><thead align="left"><tr id="zh-cn_topic_0000001164647334_row191251055716"><th class="cellrowborder" valign="top" width="14.82%" id="mcps1.1.5.1.1"><p id="zh-cn_topic_0000001164647334_p1812191011573"><a name="zh-cn_topic_0000001164647334_p1812191011573"></a><a name="zh-cn_topic_0000001164647334_p1812191011573"></a>参数名</p> 347 </th> 348 <th class="cellrowborder" valign="top" width="14.729999999999999%" id="mcps1.1.5.1.2"><p id="zh-cn_topic_0000001164647334_p111231095720"><a name="zh-cn_topic_0000001164647334_p111231095720"></a><a name="zh-cn_topic_0000001164647334_p111231095720"></a>类型</p> 349 </th> 350 <th class="cellrowborder" valign="top" width="9.16%" id="mcps1.1.5.1.3"><p id="zh-cn_topic_0000001164647334_p812161055714"><a name="zh-cn_topic_0000001164647334_p812161055714"></a><a name="zh-cn_topic_0000001164647334_p812161055714"></a>必填</p> 351 </th> 352 <th class="cellrowborder" valign="top" width="61.29%" id="mcps1.1.5.1.4"><p id="zh-cn_topic_0000001164647334_p131331025718"><a name="zh-cn_topic_0000001164647334_p131331025718"></a><a name="zh-cn_topic_0000001164647334_p131331025718"></a>说明</p> 353 </th> 354 </tr> 355 </thead> 356 <tbody><tr id="zh-cn_topic_0000001164647334_row12131310175711"><td class="cellrowborder" valign="top" width="14.82%" headers="mcps1.1.5.1.1 "><p id="zh-cn_topic_0000001164647334_p131301018576"><a name="zh-cn_topic_0000001164647334_p131301018576"></a><a name="zh-cn_topic_0000001164647334_p131301018576"></a>command</p> 357 </td> 358 <td class="cellrowborder" valign="top" width="14.729999999999999%" headers="mcps1.1.5.1.2 "><p id="zh-cn_topic_0000001164647334_p813151075720"><a name="zh-cn_topic_0000001164647334_p813151075720"></a><a name="zh-cn_topic_0000001164647334_p813151075720"></a>string</p> 359 </td> 360 <td class="cellrowborder" valign="top" width="9.16%" headers="mcps1.1.5.1.3 "><p id="zh-cn_topic_0000001164647334_p313121025712"><a name="zh-cn_topic_0000001164647334_p313121025712"></a><a name="zh-cn_topic_0000001164647334_p313121025712"></a>是</p> 361 </td> 362 <td class="cellrowborder" valign="top" width="61.29%" headers="mcps1.1.5.1.4 "><p id="zh-cn_topic_0000001164647334_p1613131075715"><a name="zh-cn_topic_0000001164647334_p1613131075715"></a><a name="zh-cn_topic_0000001164647334_p1613131075715"></a>shell命令。</p> 363 </td> 364 </tr> 365 <tr id="zh-cn_topic_0000001164647334_row187851287441"><td class="cellrowborder" valign="top" width="14.82%" headers="mcps1.1.5.1.1 "><p id="zh-cn_topic_0000001164647334_p187851487447"><a name="zh-cn_topic_0000001164647334_p187851487447"></a><a name="zh-cn_topic_0000001164647334_p187851487447"></a>options</p> 366 </td> 367 <td class="cellrowborder" valign="top" width="14.729999999999999%" headers="mcps1.1.5.1.2 "><p id="zh-cn_topic_0000001164647334_p13785987448"><a name="zh-cn_topic_0000001164647334_p13785987448"></a><a name="zh-cn_topic_0000001164647334_p13785987448"></a>Object</p> 368 </td> 369 <td class="cellrowborder" valign="top" width="9.16%" headers="mcps1.1.5.1.3 "><p id="zh-cn_topic_0000001164647334_p1878538154411"><a name="zh-cn_topic_0000001164647334_p1878538154411"></a><a name="zh-cn_topic_0000001164647334_p1878538154411"></a>否</p> 370 </td> 371 <td class="cellrowborder" valign="top" width="61.29%" headers="mcps1.1.5.1.4 "><p id="zh-cn_topic_0000001164647334_p127684914432"><a name="zh-cn_topic_0000001164647334_p127684914432"></a><a name="zh-cn_topic_0000001164647334_p127684914432"></a>相关选项参数。</p> 372 </td> 373 </tr> 374 </tbody> 375 </table> 376 377 **表 1** options 378 379 <a name="zh-cn_topic_0000001164647334_table395819335512"></a> 380 <table><thead align="left"><tr id="zh-cn_topic_0000001164647334_row4958133185116"><th class="cellrowborder" valign="top" width="14.56%" id="mcps1.2.5.1.1"><p id="zh-cn_topic_0000001164647334_p1795813315511"><a name="zh-cn_topic_0000001164647334_p1795813315511"></a><a name="zh-cn_topic_0000001164647334_p1795813315511"></a>名称</p> 381 </th> 382 <th class="cellrowborder" valign="top" width="20.48%" id="mcps1.2.5.1.2"><p id="zh-cn_topic_0000001164647334_p1895883395120"><a name="zh-cn_topic_0000001164647334_p1895883395120"></a><a name="zh-cn_topic_0000001164647334_p1895883395120"></a>参数类型</p> 383 </th> 384 <th class="cellrowborder" valign="top" width="9.700000000000001%" id="mcps1.2.5.1.3"><p id="zh-cn_topic_0000001164647334_p17958633125116"><a name="zh-cn_topic_0000001164647334_p17958633125116"></a><a name="zh-cn_topic_0000001164647334_p17958633125116"></a>必填</p> 385 </th> 386 <th class="cellrowborder" valign="top" width="55.26%" id="mcps1.2.5.1.4"><p id="zh-cn_topic_0000001164647334_p15958133312518"><a name="zh-cn_topic_0000001164647334_p15958133312518"></a><a name="zh-cn_topic_0000001164647334_p15958133312518"></a>说明</p> 387 </th> 388 </tr> 389 </thead> 390 <tbody><tr id="zh-cn_topic_0000001164647334_row1958833125117"><td class="cellrowborder" valign="top" width="14.56%" headers="mcps1.2.5.1.1 "><p id="zh-cn_topic_0000001164647334_p1984204213513"><a name="zh-cn_topic_0000001164647334_p1984204213513"></a><a name="zh-cn_topic_0000001164647334_p1984204213513"></a>timeout</p> 391 </td> 392 <td class="cellrowborder" valign="top" width="20.48%" headers="mcps1.2.5.1.2 "><p id="zh-cn_topic_0000001164647334_p11958733115110"><a name="zh-cn_topic_0000001164647334_p11958733115110"></a><a name="zh-cn_topic_0000001164647334_p11958733115110"></a>number</p> 393 </td> 394 <td class="cellrowborder" valign="top" width="9.700000000000001%" headers="mcps1.2.5.1.3 "><p id="zh-cn_topic_0000001164647334_p1995817337517"><a name="zh-cn_topic_0000001164647334_p1995817337517"></a><a name="zh-cn_topic_0000001164647334_p1995817337517"></a>否</p> 395 </td> 396 <td class="cellrowborder" valign="top" width="55.26%" headers="mcps1.2.5.1.4 "><p id="zh-cn_topic_0000001164647334_p3958113385114"><a name="zh-cn_topic_0000001164647334_p3958113385114"></a><a name="zh-cn_topic_0000001164647334_p3958113385114"></a>子进程运行的ms数，当子进程运行时间超出此时间，则父进程发送killSignal信号给子进程。timeout默认为0。</p> 397 </td> 398 </tr> 399 <tr id="zh-cn_topic_0000001164647334_row15974103410012"><td class="cellrowborder" valign="top" width="14.56%" headers="mcps1.2.5.1.1 "><p id="zh-cn_topic_0000001164647334_p18974173412018"><a name="zh-cn_topic_0000001164647334_p18974173412018"></a><a name="zh-cn_topic_0000001164647334_p18974173412018"></a>killSignal</p> 400 </td> 401 <td class="cellrowborder" valign="top" width="20.48%" headers="mcps1.2.5.1.2 "><p id="zh-cn_topic_0000001164647334_p1397433413014"><a name="zh-cn_topic_0000001164647334_p1397433413014"></a><a name="zh-cn_topic_0000001164647334_p1397433413014"></a>number | string</p> 402 </td> 403 <td class="cellrowborder" valign="top" width="9.700000000000001%" headers="mcps1.2.5.1.3 "><p id="zh-cn_topic_0000001164647334_p1497411347015"><a name="zh-cn_topic_0000001164647334_p1497411347015"></a><a name="zh-cn_topic_0000001164647334_p1497411347015"></a>否</p> 404 </td> 405 <td class="cellrowborder" valign="top" width="55.26%" headers="mcps1.2.5.1.4 "><p id="zh-cn_topic_0000001164647334_p6975134106"><a name="zh-cn_topic_0000001164647334_p6975134106"></a><a name="zh-cn_topic_0000001164647334_p6975134106"></a>子进程运行时间超出timeout时，父进程发送killSignal 信号给子进程。killSignal 默认为'SIGTERM'。</p> 406 </td> 407 </tr> 408 <tr id="zh-cn_topic_0000001164647334_row7848832602"><td class="cellrowborder" valign="top" width="14.56%" headers="mcps1.2.5.1.1 "><p id="zh-cn_topic_0000001164647334_p138496321602"><a name="zh-cn_topic_0000001164647334_p138496321602"></a><a name="zh-cn_topic_0000001164647334_p138496321602"></a>maxBuffer</p> 409 </td> 410 <td class="cellrowborder" valign="top" width="20.48%" headers="mcps1.2.5.1.2 "><p id="zh-cn_topic_0000001164647334_p138499328017"><a name="zh-cn_topic_0000001164647334_p138499328017"></a><a name="zh-cn_topic_0000001164647334_p138499328017"></a>number</p> 411 </td> 412 <td class="cellrowborder" valign="top" width="9.700000000000001%" headers="mcps1.2.5.1.3 "><p id="zh-cn_topic_0000001164647334_p784919321409"><a name="zh-cn_topic_0000001164647334_p784919321409"></a><a name="zh-cn_topic_0000001164647334_p784919321409"></a>否</p> 413 </td> 414 <td class="cellrowborder" valign="top" width="55.26%" headers="mcps1.2.5.1.4 "><p id="zh-cn_topic_0000001164647334_p610211102610"><a name="zh-cn_topic_0000001164647334_p610211102610"></a><a name="zh-cn_topic_0000001164647334_p610211102610"></a>子进程标准输入输出的最大缓冲区大小，当超出此大小时则终止子进程。maxBuffer默认1024*1024。</p> 415 </td> 416 </tr> 417 </tbody> 418 </table> 419 420- 返回值： 421 422 <a name="zh-cn_topic_0000001164647334_table214161065718"></a> 423 <table><thead align="left"><tr id="zh-cn_topic_0000001164647334_row21412108574"><th class="cellrowborder" valign="top" width="20.990000000000002%" id="mcps1.1.3.1.1"><p id="zh-cn_topic_0000001164647334_p714201014577"><a name="zh-cn_topic_0000001164647334_p714201014577"></a><a name="zh-cn_topic_0000001164647334_p714201014577"></a>类型</p> 424 </th> 425 <th class="cellrowborder" valign="top" width="79.01%" id="mcps1.1.3.1.2"><p id="zh-cn_topic_0000001164647334_p2014131085719"><a name="zh-cn_topic_0000001164647334_p2014131085719"></a><a name="zh-cn_topic_0000001164647334_p2014131085719"></a>说明</p> 426 </th> 427 </tr> 428 </thead> 429 <tbody><tr id="zh-cn_topic_0000001164647334_row1715121005719"><td class="cellrowborder" valign="top" width="20.990000000000002%" headers="mcps1.1.3.1.1 "><p id="zh-cn_topic_0000001164647334_p915110115714"><a name="zh-cn_topic_0000001164647334_p915110115714"></a><a name="zh-cn_topic_0000001164647334_p915110115714"></a><a href="#zh-cn_topic_0000001164647334_section6521387200">ChildProcess</a></p> 430 </td> 431 <td class="cellrowborder" valign="top" width="79.01%" headers="mcps1.1.3.1.2 "><p id="zh-cn_topic_0000001164647334_p1738116141104"><a name="zh-cn_topic_0000001164647334_p1738116141104"></a><a name="zh-cn_topic_0000001164647334_p1738116141104"></a>子进程对象。</p> 432 </td> 433 </tr> 434 </tbody> 435 </table> 436 437- 示例： 438 439 ``` 440 import process from '@ohos.process'; 441 var child = process.runCmd('ls', { maxBuffer : 2 }); 442 var result = child.wait(); 443 child.getOutput.then(val=>{ 444 console.log("child.getOutput = " + val); 445 } 446 ``` 447 448 449## process.abort<a name="zh-cn_topic_0000001164647334_section564715329325"></a> 450 451abort\(\): void 452 453该方法会导致进程立即退出并生成一个核心文件，谨慎使用。 454 455- 示例： 456 457 ``` 458 import process from '@ohos.process'; 459 process.abort(); 460 ``` 461 462 463## process.on<a name="zh-cn_topic_0000001164647334_section2394161818344"></a> 464 465on\(type: string, listener: EventListener\): void 466 467用该方法来存储用户所触发的事件。 468 469- 参数： 470 471 <a name="zh-cn_topic_0000001164647334_table97411514490"></a> 472 <table><thead align="left"><tr id="zh-cn_topic_0000001164647334_row137601516499"><th class="cellrowborder" valign="top" width="14.82%" id="mcps1.1.5.1.1"><p id="zh-cn_topic_0000001164647334_p27631520491"><a name="zh-cn_topic_0000001164647334_p27631520491"></a><a name="zh-cn_topic_0000001164647334_p27631520491"></a>参数名</p> 473 </th> 474 <th class="cellrowborder" valign="top" width="22.68%" id="mcps1.1.5.1.2"><p id="zh-cn_topic_0000001164647334_p167691514913"><a name="zh-cn_topic_0000001164647334_p167691514913"></a><a name="zh-cn_topic_0000001164647334_p167691514913"></a>类型</p> 475 </th> 476 <th class="cellrowborder" valign="top" width="10.12%" id="mcps1.1.5.1.3"><p id="zh-cn_topic_0000001164647334_p676101554917"><a name="zh-cn_topic_0000001164647334_p676101554917"></a><a name="zh-cn_topic_0000001164647334_p676101554917"></a>必填</p> 477 </th> 478 <th class="cellrowborder" valign="top" width="52.38%" id="mcps1.1.5.1.4"><p id="zh-cn_topic_0000001164647334_p9774157491"><a name="zh-cn_topic_0000001164647334_p9774157491"></a><a name="zh-cn_topic_0000001164647334_p9774157491"></a>说明</p> 479 </th> 480 </tr> 481 </thead> 482 <tbody><tr id="zh-cn_topic_0000001164647334_row107791514917"><td class="cellrowborder" valign="top" width="14.82%" headers="mcps1.1.5.1.1 "><p id="zh-cn_topic_0000001164647334_p12771515144912"><a name="zh-cn_topic_0000001164647334_p12771515144912"></a><a name="zh-cn_topic_0000001164647334_p12771515144912"></a>type</p> 483 </td> 484 <td class="cellrowborder" valign="top" width="22.68%" headers="mcps1.1.5.1.2 "><p id="zh-cn_topic_0000001164647334_p10771815134911"><a name="zh-cn_topic_0000001164647334_p10771815134911"></a><a name="zh-cn_topic_0000001164647334_p10771815134911"></a>string</p> 485 </td> 486 <td class="cellrowborder" valign="top" width="10.12%" headers="mcps1.1.5.1.3 "><p id="zh-cn_topic_0000001164647334_p97771554918"><a name="zh-cn_topic_0000001164647334_p97771554918"></a><a name="zh-cn_topic_0000001164647334_p97771554918"></a>是</p> 487 </td> 488 <td class="cellrowborder" valign="top" width="52.38%" headers="mcps1.1.5.1.4 "><p id="zh-cn_topic_0000001164647334_p137713153495"><a name="zh-cn_topic_0000001164647334_p137713153495"></a><a name="zh-cn_topic_0000001164647334_p137713153495"></a>存储事件的type。</p> 489 </td> 490 </tr> 491 <tr id="zh-cn_topic_0000001164647334_row158298389506"><td class="cellrowborder" valign="top" width="14.82%" headers="mcps1.1.5.1.1 "><p id="zh-cn_topic_0000001164647334_p38301938105018"><a name="zh-cn_topic_0000001164647334_p38301938105018"></a><a name="zh-cn_topic_0000001164647334_p38301938105018"></a>listener</p> 492 </td> 493 <td class="cellrowborder" valign="top" width="22.68%" headers="mcps1.1.5.1.2 "><p id="zh-cn_topic_0000001164647334_p118305385503"><a name="zh-cn_topic_0000001164647334_p118305385503"></a><a name="zh-cn_topic_0000001164647334_p118305385503"></a><a href="#zh-cn_topic_0000001164647334_table4113811060">EventListener</a></p> 494 </td> 495 <td class="cellrowborder" valign="top" width="10.12%" headers="mcps1.1.5.1.3 "><p id="zh-cn_topic_0000001164647334_p18927121585115"><a name="zh-cn_topic_0000001164647334_p18927121585115"></a><a name="zh-cn_topic_0000001164647334_p18927121585115"></a>是</p> 496 </td> 497 <td class="cellrowborder" valign="top" width="52.38%" headers="mcps1.1.5.1.4 "><p id="zh-cn_topic_0000001164647334_p1883013382505"><a name="zh-cn_topic_0000001164647334_p1883013382505"></a><a name="zh-cn_topic_0000001164647334_p1883013382505"></a>回调的事件。</p> 498 </td> 499 </tr> 500 </tbody> 501 </table> 502 503 **表 2** EventListener 504 505 <a name="zh-cn_topic_0000001164647334_table4113811060"></a> 506 <table><thead align="left"><tr id="zh-cn_topic_0000001164647334_row181132115610"><th class="cellrowborder" valign="top" width="50%" id="mcps1.2.3.1.1"><p id="zh-cn_topic_0000001164647334_p5113191361"><a name="zh-cn_topic_0000001164647334_p5113191361"></a><a name="zh-cn_topic_0000001164647334_p5113191361"></a>名称</p> 507 </th> 508 <th class="cellrowborder" valign="top" width="50%" id="mcps1.2.3.1.2"><p id="zh-cn_topic_0000001164647334_p161131811561"><a name="zh-cn_topic_0000001164647334_p161131811561"></a><a name="zh-cn_topic_0000001164647334_p161131811561"></a>说明</p> 509 </th> 510 </tr> 511 </thead> 512 <tbody><tr id="zh-cn_topic_0000001164647334_row5113313614"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.2.3.1.1 "><p id="zh-cn_topic_0000001164647334_p241813217619"><a name="zh-cn_topic_0000001164647334_p241813217619"></a><a name="zh-cn_topic_0000001164647334_p241813217619"></a>EventListener = (evt: Object) <span>=</span><span>></span> void</p> 513 </td> 514 <td class="cellrowborder" valign="top" width="50%" headers="mcps1.2.3.1.2 "><p id="zh-cn_topic_0000001164647334_p12175123914388"><a name="zh-cn_topic_0000001164647334_p12175123914388"></a><a name="zh-cn_topic_0000001164647334_p12175123914388"></a>用户存储的事件</p> 515 </td> 516 </tr> 517 </tbody> 518 </table> 519 520- 示例： 521 522 ``` 523 import process from '@ohos.process'; 524 process.on("data", (e)=>{ 525 console.log("data callback); 526 }) 527 ``` 528 529 530## process.off<a name="zh-cn_topic_0000001164647334_section1228205293415"></a> 531 532off\(type: string\): boolean 533 534用该方法来删除用户存储的事件。 535 536- 参数： 537 538 <a name="zh-cn_topic_0000001164647334_table15223195413589"></a> 539 <table><thead align="left"><tr id="zh-cn_topic_0000001164647334_row722305475810"><th class="cellrowborder" valign="top" width="14.82%" id="mcps1.1.5.1.1"><p id="zh-cn_topic_0000001164647334_p1722375495810"><a name="zh-cn_topic_0000001164647334_p1722375495810"></a><a name="zh-cn_topic_0000001164647334_p1722375495810"></a>参数名</p> 540 </th> 541 <th class="cellrowborder" valign="top" width="14.729999999999999%" id="mcps1.1.5.1.2"><p id="zh-cn_topic_0000001164647334_p1222315547583"><a name="zh-cn_topic_0000001164647334_p1222315547583"></a><a name="zh-cn_topic_0000001164647334_p1222315547583"></a>类型</p> 542 </th> 543 <th class="cellrowborder" valign="top" width="9.16%" id="mcps1.1.5.1.3"><p id="zh-cn_topic_0000001164647334_p10223165410588"><a name="zh-cn_topic_0000001164647334_p10223165410588"></a><a name="zh-cn_topic_0000001164647334_p10223165410588"></a>必填</p> 544 </th> 545 <th class="cellrowborder" valign="top" width="61.29%" id="mcps1.1.5.1.4"><p id="zh-cn_topic_0000001164647334_p192238546586"><a name="zh-cn_topic_0000001164647334_p192238546586"></a><a name="zh-cn_topic_0000001164647334_p192238546586"></a>说明</p> 546 </th> 547 </tr> 548 </thead> 549 <tbody><tr id="zh-cn_topic_0000001164647334_row112232547583"><td class="cellrowborder" valign="top" width="14.82%" headers="mcps1.1.5.1.1 "><p id="zh-cn_topic_0000001164647334_p1014218415590"><a name="zh-cn_topic_0000001164647334_p1014218415590"></a><a name="zh-cn_topic_0000001164647334_p1014218415590"></a>type</p> 550 </td> 551 <td class="cellrowborder" valign="top" width="14.729999999999999%" headers="mcps1.1.5.1.2 "><p id="zh-cn_topic_0000001164647334_p1314216415913"><a name="zh-cn_topic_0000001164647334_p1314216415913"></a><a name="zh-cn_topic_0000001164647334_p1314216415913"></a>string</p> 552 </td> 553 <td class="cellrowborder" valign="top" width="9.16%" headers="mcps1.1.5.1.3 "><p id="zh-cn_topic_0000001164647334_p71427411593"><a name="zh-cn_topic_0000001164647334_p71427411593"></a><a name="zh-cn_topic_0000001164647334_p71427411593"></a>是</p> 554 </td> 555 <td class="cellrowborder" valign="top" width="61.29%" headers="mcps1.1.5.1.4 "><p id="zh-cn_topic_0000001164647334_p14142749591"><a name="zh-cn_topic_0000001164647334_p14142749591"></a><a name="zh-cn_topic_0000001164647334_p14142749591"></a>删除事件的type。</p> 556 </td> 557 </tr> 558 </tbody> 559 </table> 560 561- 返回值： 562 563 <a name="zh-cn_topic_0000001164647334_table922785415814"></a> 564 <table><thead align="left"><tr id="zh-cn_topic_0000001164647334_row92271854115813"><th class="cellrowborder" valign="top" width="20.990000000000002%" id="mcps1.1.3.1.1"><p id="zh-cn_topic_0000001164647334_p1822715542582"><a name="zh-cn_topic_0000001164647334_p1822715542582"></a><a name="zh-cn_topic_0000001164647334_p1822715542582"></a>类型</p> 565 </th> 566 <th class="cellrowborder" valign="top" width="79.01%" id="mcps1.1.3.1.2"><p id="zh-cn_topic_0000001164647334_p1622725445816"><a name="zh-cn_topic_0000001164647334_p1622725445816"></a><a name="zh-cn_topic_0000001164647334_p1622725445816"></a>说明</p> 567 </th> 568 </tr> 569 </thead> 570 <tbody><tr id="zh-cn_topic_0000001164647334_row322716540586"><td class="cellrowborder" valign="top" width="20.990000000000002%" headers="mcps1.1.3.1.1 "><p id="zh-cn_topic_0000001164647334_p4227105415813"><a name="zh-cn_topic_0000001164647334_p4227105415813"></a><a name="zh-cn_topic_0000001164647334_p4227105415813"></a>boolean</p> 571 </td> 572 <td class="cellrowborder" valign="top" width="79.01%" headers="mcps1.1.3.1.2 "><p id="zh-cn_topic_0000001164647334_p20227155415582"><a name="zh-cn_topic_0000001164647334_p20227155415582"></a><a name="zh-cn_topic_0000001164647334_p20227155415582"></a>事件是否删除成功。</p> 573 </td> 574 </tr> 575 </tbody> 576 </table> 577 578- 示例： 579 580 ``` 581 import process from '@ohos.process'; 582 process.on("data", (e)=>{ 583 console.log("data callback); 584 }) 585 var result = process.off("data"); 586 ``` 587 588 589## process.exit<a name="zh-cn_topic_0000001164647334_section114951112414"></a> 590 591exit\(code: number\): void 592 593用该方法终止程序，谨慎使用。 594 595- 参数： 596 597 <a name="zh-cn_topic_0000001164647334_table691919201218"></a> 598 <table><thead align="left"><tr id="zh-cn_topic_0000001164647334_row14919182012210"><th class="cellrowborder" valign="top" width="14.82%" id="mcps1.1.5.1.1"><p id="zh-cn_topic_0000001164647334_p79202201623"><a name="zh-cn_topic_0000001164647334_p79202201623"></a><a name="zh-cn_topic_0000001164647334_p79202201623"></a>参数名</p> 599 </th> 600 <th class="cellrowborder" valign="top" width="14.729999999999999%" id="mcps1.1.5.1.2"><p id="zh-cn_topic_0000001164647334_p2092052010218"><a name="zh-cn_topic_0000001164647334_p2092052010218"></a><a name="zh-cn_topic_0000001164647334_p2092052010218"></a>类型</p> 601 </th> 602 <th class="cellrowborder" valign="top" width="9.16%" id="mcps1.1.5.1.3"><p id="zh-cn_topic_0000001164647334_p89201020123"><a name="zh-cn_topic_0000001164647334_p89201020123"></a><a name="zh-cn_topic_0000001164647334_p89201020123"></a>必填</p> 603 </th> 604 <th class="cellrowborder" valign="top" width="61.29%" id="mcps1.1.5.1.4"><p id="zh-cn_topic_0000001164647334_p2920142015220"><a name="zh-cn_topic_0000001164647334_p2920142015220"></a><a name="zh-cn_topic_0000001164647334_p2920142015220"></a>说明</p> 605 </th> 606 </tr> 607 </thead> 608 <tbody><tr id="zh-cn_topic_0000001164647334_row19200201225"><td class="cellrowborder" valign="top" width="14.82%" headers="mcps1.1.5.1.1 "><p id="zh-cn_topic_0000001164647334_p169201020724"><a name="zh-cn_topic_0000001164647334_p169201020724"></a><a name="zh-cn_topic_0000001164647334_p169201020724"></a>code</p> 609 </td> 610 <td class="cellrowborder" valign="top" width="14.729999999999999%" headers="mcps1.1.5.1.2 "><p id="zh-cn_topic_0000001164647334_p18920132014217"><a name="zh-cn_topic_0000001164647334_p18920132014217"></a><a name="zh-cn_topic_0000001164647334_p18920132014217"></a>number</p> 611 </td> 612 <td class="cellrowborder" valign="top" width="9.16%" headers="mcps1.1.5.1.3 "><p id="zh-cn_topic_0000001164647334_p13920320023"><a name="zh-cn_topic_0000001164647334_p13920320023"></a><a name="zh-cn_topic_0000001164647334_p13920320023"></a>是</p> 613 </td> 614 <td class="cellrowborder" valign="top" width="61.29%" headers="mcps1.1.5.1.4 "><p id="zh-cn_topic_0000001164647334_p592018206215"><a name="zh-cn_topic_0000001164647334_p592018206215"></a><a name="zh-cn_topic_0000001164647334_p592018206215"></a>进程的退出码。</p> 615 </td> 616 </tr> 617 </tbody> 618 </table> 619 620- 示例： 621 622 ``` 623 import process from '@ohos.process'; 624 process.exit(0); 625 ``` 626 627 628## process.cwd<a name="zh-cn_topic_0000001164647334_section13686195712218"></a> 629 630cwd\(\): string 631 632用该方法获取进程的工作目录。 633 634- 示例： 635 636 ``` 637 import process from '@ohos.process'; 638 var path = process.cwd(); 639 ``` 640 641 642## process.chdir<a name="zh-cn_topic_0000001164647334_section43111956114115"></a> 643 644chdir\(dir: string\): void 645 646用该方法更改进程的当前工作目录。 647 648- 参数： 649 650 <a name="zh-cn_topic_0000001164647334_table202677324416"></a> 651 <table><thead align="left"><tr id="zh-cn_topic_0000001164647334_row162681432743"><th class="cellrowborder" valign="top" width="14.82%" id="mcps1.1.5.1.1"><p id="zh-cn_topic_0000001164647334_p1426818321943"><a name="zh-cn_topic_0000001164647334_p1426818321943"></a><a name="zh-cn_topic_0000001164647334_p1426818321943"></a>参数名</p> 652 </th> 653 <th class="cellrowborder" valign="top" width="14.729999999999999%" id="mcps1.1.5.1.2"><p id="zh-cn_topic_0000001164647334_p6268173214416"><a name="zh-cn_topic_0000001164647334_p6268173214416"></a><a name="zh-cn_topic_0000001164647334_p6268173214416"></a>类型</p> 654 </th> 655 <th class="cellrowborder" valign="top" width="9.16%" id="mcps1.1.5.1.3"><p id="zh-cn_topic_0000001164647334_p4268183211410"><a name="zh-cn_topic_0000001164647334_p4268183211410"></a><a name="zh-cn_topic_0000001164647334_p4268183211410"></a>必填</p> 656 </th> 657 <th class="cellrowborder" valign="top" width="61.29%" id="mcps1.1.5.1.4"><p id="zh-cn_topic_0000001164647334_p16268932748"><a name="zh-cn_topic_0000001164647334_p16268932748"></a><a name="zh-cn_topic_0000001164647334_p16268932748"></a>说明</p> 658 </th> 659 </tr> 660 </thead> 661 <tbody><tr id="zh-cn_topic_0000001164647334_row19268183217420"><td class="cellrowborder" valign="top" width="14.82%" headers="mcps1.1.5.1.1 "><p id="zh-cn_topic_0000001164647334_p82682321645"><a name="zh-cn_topic_0000001164647334_p82682321645"></a><a name="zh-cn_topic_0000001164647334_p82682321645"></a>dir</p> 662 </td> 663 <td class="cellrowborder" valign="top" width="14.729999999999999%" headers="mcps1.1.5.1.2 "><p id="zh-cn_topic_0000001164647334_p1226813321641"><a name="zh-cn_topic_0000001164647334_p1226813321641"></a><a name="zh-cn_topic_0000001164647334_p1226813321641"></a>string</p> 664 </td> 665 <td class="cellrowborder" valign="top" width="9.16%" headers="mcps1.1.5.1.3 "><p id="zh-cn_topic_0000001164647334_p726915322416"><a name="zh-cn_topic_0000001164647334_p726915322416"></a><a name="zh-cn_topic_0000001164647334_p726915322416"></a>是</p> 666 </td> 667 <td class="cellrowborder" valign="top" width="61.29%" headers="mcps1.1.5.1.4 "><p id="zh-cn_topic_0000001164647334_p026913215412"><a name="zh-cn_topic_0000001164647334_p026913215412"></a><a name="zh-cn_topic_0000001164647334_p026913215412"></a>路径。</p> 668 </td> 669 </tr> 670 </tbody> 671 </table> 672 673- 示例： 674 675 ``` 676 import process from '@ohos.process'; 677 process.chdir('/system'); 678 ``` 679 680 681## process.uptime<a name="zh-cn_topic_0000001164647334_section167881439204913"></a> 682 683uptime\(\): number 684 685获取当前系统已运行的秒数。 686 687- 返回值： 688 689 <a name="zh-cn_topic_0000001164647334_table1447184441513"></a> 690 <table><thead align="left"><tr id="zh-cn_topic_0000001164647334_row134819448158"><th class="cellrowborder" valign="top" width="21.02%" id="mcps1.1.3.1.1"><p id="zh-cn_topic_0000001164647334_p34812447155"><a name="zh-cn_topic_0000001164647334_p34812447155"></a><a name="zh-cn_topic_0000001164647334_p34812447155"></a>类型</p> 691 </th> 692 <th class="cellrowborder" valign="top" width="78.97999999999999%" id="mcps1.1.3.1.2"><p id="zh-cn_topic_0000001164647334_p548204471513"><a name="zh-cn_topic_0000001164647334_p548204471513"></a><a name="zh-cn_topic_0000001164647334_p548204471513"></a>说明</p> 693 </th> 694 </tr> 695 </thead> 696 <tbody><tr id="zh-cn_topic_0000001164647334_row114894411519"><td class="cellrowborder" valign="top" width="21.02%" headers="mcps1.1.3.1.1 "><p id="zh-cn_topic_0000001164647334_p848104412156"><a name="zh-cn_topic_0000001164647334_p848104412156"></a><a name="zh-cn_topic_0000001164647334_p848104412156"></a>number</p> 697 </td> 698 <td class="cellrowborder" valign="top" width="78.97999999999999%" headers="mcps1.1.3.1.2 "><p id="zh-cn_topic_0000001164647334_p17605112914167"><a name="zh-cn_topic_0000001164647334_p17605112914167"></a><a name="zh-cn_topic_0000001164647334_p17605112914167"></a>当前系统已运行的秒数。</p> 699 </td> 700 </tr> 701 </tbody> 702 </table> 703 704- 示例： 705 706 ``` 707 import process from '@ohos.process'; 708 var time = process.uptime(); 709 ``` 710 711 712## process.kill<a name="zh-cn_topic_0000001164647334_section3121181316503"></a> 713 714kill\(pid: number，signal: number \): boolean 715 716用该方法发送signal到指定的进程，结束指定进程。 717 718- 参数： 719 720 <a name="zh-cn_topic_0000001164647334_table320419413195"></a> 721 <table><thead align="left"><tr id="zh-cn_topic_0000001164647334_row17204104113196"><th class="cellrowborder" valign="top" width="14.82%" id="mcps1.1.5.1.1"><p id="zh-cn_topic_0000001164647334_p192040414196"><a name="zh-cn_topic_0000001164647334_p192040414196"></a><a name="zh-cn_topic_0000001164647334_p192040414196"></a>参数名</p> 722 </th> 723 <th class="cellrowborder" valign="top" width="14.729999999999999%" id="mcps1.1.5.1.2"><p id="zh-cn_topic_0000001164647334_p112051141111917"><a name="zh-cn_topic_0000001164647334_p112051141111917"></a><a name="zh-cn_topic_0000001164647334_p112051141111917"></a>类型</p> 724 </th> 725 <th class="cellrowborder" valign="top" width="9.16%" id="mcps1.1.5.1.3"><p id="zh-cn_topic_0000001164647334_p1820513411192"><a name="zh-cn_topic_0000001164647334_p1820513411192"></a><a name="zh-cn_topic_0000001164647334_p1820513411192"></a>必填</p> 726 </th> 727 <th class="cellrowborder" valign="top" width="61.29%" id="mcps1.1.5.1.4"><p id="zh-cn_topic_0000001164647334_p10205104171912"><a name="zh-cn_topic_0000001164647334_p10205104171912"></a><a name="zh-cn_topic_0000001164647334_p10205104171912"></a>说明</p> 728 </th> 729 </tr> 730 </thead> 731 <tbody><tr id="zh-cn_topic_0000001164647334_row16205124115197"><td class="cellrowborder" valign="top" width="14.82%" headers="mcps1.1.5.1.1 "><p id="zh-cn_topic_0000001164647334_p17205194119198"><a name="zh-cn_topic_0000001164647334_p17205194119198"></a><a name="zh-cn_topic_0000001164647334_p17205194119198"></a>pid</p> 732 </td> 733 <td class="cellrowborder" valign="top" width="14.729999999999999%" headers="mcps1.1.5.1.2 "><p id="zh-cn_topic_0000001164647334_p9206154111912"><a name="zh-cn_topic_0000001164647334_p9206154111912"></a><a name="zh-cn_topic_0000001164647334_p9206154111912"></a>number</p> 734 </td> 735 <td class="cellrowborder" valign="top" width="9.16%" headers="mcps1.1.5.1.3 "><p id="zh-cn_topic_0000001164647334_p129831811973"><a name="zh-cn_topic_0000001164647334_p129831811973"></a><a name="zh-cn_topic_0000001164647334_p129831811973"></a>是</p> 736 </td> 737 <td class="cellrowborder" valign="top" width="61.29%" headers="mcps1.1.5.1.4 "><p id="zh-cn_topic_0000001164647334_p4206174101910"><a name="zh-cn_topic_0000001164647334_p4206174101910"></a><a name="zh-cn_topic_0000001164647334_p4206174101910"></a>进程的id。</p> 738 </td> 739 </tr> 740 <tr id="zh-cn_topic_0000001164647334_row468541102118"><td class="cellrowborder" valign="top" width="14.82%" headers="mcps1.1.5.1.1 "><p id="zh-cn_topic_0000001164647334_p36851112210"><a name="zh-cn_topic_0000001164647334_p36851112210"></a><a name="zh-cn_topic_0000001164647334_p36851112210"></a>signal</p> 741 </td> 742 <td class="cellrowborder" valign="top" width="14.729999999999999%" headers="mcps1.1.5.1.2 "><p id="zh-cn_topic_0000001164647334_p1368614117219"><a name="zh-cn_topic_0000001164647334_p1368614117219"></a><a name="zh-cn_topic_0000001164647334_p1368614117219"></a>number</p> 743 </td> 744 <td class="cellrowborder" valign="top" width="9.16%" headers="mcps1.1.5.1.3 "><p id="zh-cn_topic_0000001164647334_p56868110217"><a name="zh-cn_topic_0000001164647334_p56868110217"></a><a name="zh-cn_topic_0000001164647334_p56868110217"></a>是</p> 745 </td> 746 <td class="cellrowborder" valign="top" width="61.29%" headers="mcps1.1.5.1.4 "><p id="zh-cn_topic_0000001164647334_p166869118217"><a name="zh-cn_topic_0000001164647334_p166869118217"></a><a name="zh-cn_topic_0000001164647334_p166869118217"></a>发送的信号。</p> 747 </td> 748 </tr> 749 </tbody> 750 </table> 751 752- 返回值： 753 754 <a name="zh-cn_topic_0000001164647334_table320610411199"></a> 755 <table><thead align="left"><tr id="zh-cn_topic_0000001164647334_row19206941101910"><th class="cellrowborder" valign="top" width="20.990000000000002%" id="mcps1.1.3.1.1"><p id="zh-cn_topic_0000001164647334_p16207134111917"><a name="zh-cn_topic_0000001164647334_p16207134111917"></a><a name="zh-cn_topic_0000001164647334_p16207134111917"></a>类型</p> 756 </th> 757 <th class="cellrowborder" valign="top" width="79.01%" id="mcps1.1.3.1.2"><p id="zh-cn_topic_0000001164647334_p3207124181912"><a name="zh-cn_topic_0000001164647334_p3207124181912"></a><a name="zh-cn_topic_0000001164647334_p3207124181912"></a>说明</p> 758 </th> 759 </tr> 760 </thead> 761 <tbody><tr id="zh-cn_topic_0000001164647334_row15207741141911"><td class="cellrowborder" valign="top" width="20.990000000000002%" headers="mcps1.1.3.1.1 "><p id="zh-cn_topic_0000001164647334_p1620714412197"><a name="zh-cn_topic_0000001164647334_p1620714412197"></a><a name="zh-cn_topic_0000001164647334_p1620714412197"></a>boolean</p> 762 </td> 763 <td class="cellrowborder" valign="top" width="79.01%" headers="mcps1.1.3.1.2 "><p id="zh-cn_topic_0000001164647334_p7207194141914"><a name="zh-cn_topic_0000001164647334_p7207194141914"></a><a name="zh-cn_topic_0000001164647334_p7207194141914"></a>信号是否发送成功。</p> 764 </td> 765 </tr> 766 </tbody> 767 </table> 768 769- 示例： 770 771 ``` 772 import process from '@ohos.process' 773 var pres = process.getPid 774 var result = that.kill(pres, 28) 775 ``` 776 777 778
