Hello, I need a function like Sleep(time); that pauses the program for X milliseconds, but in C++.
Please write which header to add and the function's signature. Thank you!
views:
408answers:
4
+1
A:
#include "windows.h"
sleep(10);
for unix probably #include <unistd.h>
just google it...
Dani
2009-11-01 21:27:11
On Windows, Sleep() is capitalized. On Unix, there is usleep() in unistd.h
asveikau
2009-11-01 21:35:22
+4
A:
There is no portable way to do this.
A portable way is to use Boost or Ace library. There is ACE_OS::sleep(); in ACE.
AlexKR
2009-11-01 21:29:51
... and the (supposed) reason there is no portable way to do it in the standard is because the a clock's precision (smallest unit of time) is hardware-dependent or OS-dependent. No, I don't find it a convincing reason either, but there we are.
wilhelmtell
2009-11-01 21:34:01
There is no such thing as thread defined by standard... and you want sleep. Sleep is a OS provided functionality. I can have environment which does not provide me such feature.
AlexKR
2009-11-01 21:41:30
@wilhelmtell: That is not the reason at all. Who is it making this supposition other than yourself? There is no standard for thread support (yest), and if there are no threads (or rather only one thread), there is no need for a thread sleep rather than a simple 'busy-wait', which can be implemented with <time.h>/<ctime>. The support must be provided by the thread library or OS.
Clifford
2009-11-01 23:06:46
+1
A:
On unix, include #include <unistd.h>... The call your interested in is usleep()... Which takes microseconds, so you should multiply your millisecond value by 1000 and pass the result to usleep()...
dicroce
2009-11-01 21:31:08
+5
A:
On Windows/Unix:
#ifdef _WIN32
#include <windows.h>
inline void sleep(unsigned pMilliseconds)
{
::Sleep(pMilliseconds);
}
#else
#include <unistd.h>
inline void sleep(unsigned pMilliseconds)
{
static const unsigned MilliToMicro = 1000;
::usleep(pmilliseconds * MilliToMicro);
}
#endif
GMan
2009-11-01 21:39:24