C / C++ / MFC

Roger Stoltz wrote:

The calling thread enter a busy wait state and if the thread is preempted it probably won't run until a time ridiculously greater than the resolution set with ::timeBeginPeriod().

typedef struct _SYSTEM_BASIC_INFORMATION<br />
    {<br />
    DWORD d00;                      // 0<br />
    DWORD dKeMaximumIncrement;      // x86: 0x0002625A or 0x00018730<br />
    DWORD dPageSize;                // bytes<br />
    DWORD dMmNumberOfPhysicalPages;<br />
    DWORD dMmLowestPhysicalPage;<br />
    DWORD dMmHighestPhysicalPage;<br />
    DWORD dAllocationGranularity;   // bytes<br />
    PVOID pLowestUserAddress;<br />
    PVOID pMmHighestUserAddress;<br />
    DWORD dKeActiveProcessors;<br />
    BYTE  bKeNumberProcessors;<br />
    BYTE  bReserved01;<br />
    WORD  wReserved02;<br />
    }<br />
        SYSTEM_BASIC_INFORMATION,<br />
     * PSYSTEM_BASIC_INFORMATION,<br />
    **PPSYSTEM_BASIC_INFORMATION;<br />
<br />
#define SYSTEM_BASIC_INFORMATION_ \<br />
        sizeof (SYSTEM_BASIC_INFORMATION)<br />

<br />
SYSTEM_BASIC_INFORMATION sbi;<br />
...<br />
_stprintf((T("Maximum time resolution: %lu (%lu Hz)"), (TICKS_PER_SECOND / sbi.dKeMaximumIncrement) + (TICKS_PER_SECOND % sbi.dKeMaximumIncrement >= sbi.dKeMaximumIncrement >> 1 ? 1 : 0));<br />

Randor wrote:

Roger Stoltz wrote:

The calling thread enter a busy wait state and if the thread is preempted it probably won't run until a time ridiculously greater than the resolution set with ::timeBeginPeriod().

Are you actually implying that several milliseconds pass between thread preemtions? This is incorrect.

Stick^ wrote:

But, the article has no directions on how to "install" the .dll addin, and I would like to use it with VS 2005.

Thanks for any help.

si_69 wrote:

m_message is CString

C_Zealot wrote:

Your comments are way above my head. I just started learning C++ two weeks ago.

This is a simple-string, I think...

This   is   a   simple-string,   I   think...

This   is   a   simple   -   string   ,   I   think   .   .   .

C_Zealot wrote:

Your comments are way above my head. I just started learning C++ two weeks ago. Having said that, I do have some knowledge on C programming.

#include < iostream >
#include < string >
using namespace std;

ifstream in("myfile.txt", ios::in);

//only run the code if the file opened correctly
if(in.good())
{
     string strWord;

     //loop until end of file
     while(!in.eof())
     {
          //read in one word at a time
          strWord << in;

          //Do stuff with each word here
     }
}

 std::string readWord(ifstream& in)
{
     string s = "";

     //only read a word if the file is good
     if(in.good())
     {
          s << in;
     }

     return s;
}

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