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Diffstat (limited to 'mysys/my_sleep.c')
-rw-r--r-- | mysys/my_sleep.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/mysys/my_sleep.c b/mysys/my_sleep.c new file mode 100644 index 00000000..1c54b696 --- /dev/null +++ b/mysys/my_sleep.c @@ -0,0 +1,35 @@ +/* Copyright (c) 2000, 2010, Oracle and/or its affiliates. All rights reserved. + + 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; version 2 of the License. + + 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1335 USA */ + +/* Wait a given number of microseconds */ + +#include "mysys_priv.h" +#include <m_string.h> + +void my_sleep(ulong m_seconds) +{ +#if defined(__WIN__) + Sleep(m_seconds/1000+1); /* Sleep() has millisecond arg */ +#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 + 999999L) / 1000000L); + ulong start= (ulong) time((time_t*) 0); + while ((ulong) time((time_t*) 0) < start+sec); +#endif +} |