my_sleep.c
上传用户:romrleung
上传日期:2022-05-23
资源大小:18897k
文件大小:1k
- /* Copyright (C) 2000 MySQL AB
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
- /* Wait a given number of microseconds */
- #include "mysys_priv.h"
- #include <m_string.h>
- void my_sleep(ulong m_seconds)
- {
- #ifdef __NETWARE__
- delay(m_seconds/1000+1);
- #elif defined(__WIN__)
- Sleep(m_seconds/1000+1); /* Sleep() has millisecond arg */
- #elif defined(OS2)
- DosSleep(m_seconds/1000+1);
- #elif defined(HAVE_SELECT)
- struct timeval t;
- t.tv_sec= m_seconds / 1000000L;
- t.tv_usec= m_seconds % 1000000L;
- select(0,0,0,0,&t); /* sleep */
- #else
- uint sec= (uint) (m_seconds / 1000000L);
- ulong start= (ulong) time((time_t*) 0);
- while ((ulong) time((time_t*) 0) < start+sec);
- #endif
- }