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DosEstimateFreqCPU Function: Difference between revisions

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For more information visit [[DosEstimateFreqCPU]].
#REDIRECT[[DosEstimateFreqCPU]]
 
==Description==
Estimates clock frequency of all available CPUs.
 
==Syntax==
<PRE>
#define INCL_BASE
#include <os2.h>
#include "FREQCPU.h"
APIRET ulrc = DosEstimateFreqCPU(PCPUFREQUENCY pxCPUFrequency);
</PRE>
 
==Parameters==
;  pxCPUFrequency (PCPUFREQUENCY) - output : Pointer to structure that estimated clock frequencies will be set to.
 
==Return Code==
; ulrc (APIRET) - return : Return codes.
 
    !NO_ERROR
        Error.
    NO_ERROR
        Successful completion.
 
 
==Remarks==
This function estimates clock frequency of all available CPUs. Obtained frequency will be set to CPUFREQUENCY structure:
<PRE>
/* CPU frequency information structure */
typedef struct _CPUFREQUENCY
{
    ULONG ulNumCPUs;            /* # of available CPUs */
    FIXED afxFrequencyMHz[64];  /* frequency of each CPUs in FIXED MHz (65536 means 1.0) */
} CPUFREQUENCY, * PCPUFREQUENCY;
</PRE>
 
==Example Code==
 
 
 
 
==Related Functions==
*
 
[[Category:The OS/2 API Project]]

Latest revision as of 14:42, 25 May 2021

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