1e41f4b71Sopenharmony_ci# sleep.h
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4e41f4b71Sopenharmony_ci## 概述
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6e41f4b71Sopenharmony_ci声明sleep和yield C接口。
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8e41f4b71Sopenharmony_ci**起始版本：** 10
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10e41f4b71Sopenharmony_ci**相关模块：**[FFRT](_f_f_r_t.md)
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13e41f4b71Sopenharmony_ci## 汇总
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16e41f4b71Sopenharmony_ci### 函数
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18e41f4b71Sopenharmony_ci| 名称 | 描述 | 
19e41f4b71Sopenharmony_ci| -------- | -------- |
20e41f4b71Sopenharmony_ci| FFRT_C_API int [ffrt_usleep](_f_f_r_t.md#ffrt_usleep) (uint64_t usec) | 睡眠usec微秒。  | 
21e41f4b71Sopenharmony_ci| FFRT_C_API void [ffrt_yield](_f_f_r_t.md#ffrt_yield) (void) | 当前任务主动放权，让其他任务有机会调度执行。  | 
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