diff options
| author | chinky <[email protected]> | 2023-03-30 11:25:18 +0800 |
|---|---|---|
| committer | Man, Jianting (Meco) <[email protected]> | 2023-03-30 00:41:13 -0400 |
| commit | b9f5bf7d911bc5259104060eceb3b37c1f6ced4b (patch) | |
| tree | 43423233262dde3f002ff11f3e955aedc46a7a19 /components | |
| parent | 38eb3fc40f817ea1dce5223a9bac0d2d3b578bd2 (diff) | |
[libc]优化usleep函数
Diffstat (limited to 'components')
| -rw-r--r-- | components/libc/posix/delay/delay.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/components/libc/posix/delay/delay.c b/components/libc/posix/delay/delay.c index 564291328c..de8b9bbf76 100644 --- a/components/libc/posix/delay/delay.c +++ b/components/libc/posix/delay/delay.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2006-2021, RT-Thread Development Team + * Copyright (c) 2006-2023, RT-Thread Development Team * * SPDX-License-Identifier: Apache-2.0 * @@ -66,12 +66,12 @@ int usleep(useconds_t usec) if (rt_thread_self() != RT_NULL) { msleep(usec / 1000u); + udelay(usec % 1000u); } else /* scheduler has not run yet */ { - udelay(usec / 1000u * 1000u); + udelay(usec); } - udelay(usec % 1000u); return 0; } |