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Isolate cross-platform code for load average.

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This commit is contained in:
Hisham Muhammad 2014-11-27 19:57:24 -02:00
parent ca03094bb2
commit 529095607c
3 changed files with 24 additions and 17 deletions
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20
LoadAverageMeter.c
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@ -8,8 +8,7 @@ in the source distribution for its full text.
#include "LoadAverageMeter.h"
#include "CRT.h"
#include <assert.h>
#include "Platform.h"
/*{
#include "Meter.h"
@ -21,21 +20,8 @@ int LoadAverageMeter_attributes[] = {
int LoadMeter_attributes[] = { LOAD };
static inline void LoadAverageMeter_scan(double* one, double* five, double* fifteen) {
int activeProcs, totalProcs, lastProc;
*one = 0; *five = 0; *fifteen = 0;
FILE *fd = fopen(PROCDIR "/loadavg", "r");
if (fd) {
int total = fscanf(fd, "%32lf %32lf %32lf %32d/%32d %32d", one, five, fifteen,
&activeProcs, &totalProcs, &lastProc);
(void) total;
assert(total == 6);
fclose(fd);
}
}
static void LoadAverageMeter_setValues(Meter* this, char* buffer, int size) {
LoadAverageMeter_scan(&this->values[2], &this->values[1], &this->values[0]);
Platform_getLoadAverage(&this->values[2], &this->values[1], &this->values[0]);
snprintf(buffer, size, "%.2f/%.2f/%.2f", this->values[2], this->values[1], this->values[0]);
}
@ -52,7 +38,7 @@ static void LoadAverageMeter_display(Object* cast, RichString* out) {
static void LoadMeter_setValues(Meter* this, char* buffer, int size) {
double five, fifteen;
LoadAverageMeter_scan(&this->values[0], &five, &fifteen);
Platform_getLoadAverage(&this->values[0], &five, &fifteen);
if (this->values[0] > this->total) {
this->total = this->values[0];
}

15
linux/Platform.c
View File

@ -21,6 +21,7 @@ in the source distribution for its full text.
#include "HostnameMeter.h"
#include <math.h>
#include <assert.h>
/*{
#include "Action.h"
@ -78,3 +79,17 @@ int Platform_getUptime() {
}
int totalseconds = (int) floor(uptime);
}
void Platform_getLoadAverage(double* one, double* five, double* fifteen) {
int activeProcs, totalProcs, lastProc;
*one = 0; *five = 0; *fifteen = 0;
FILE *fd = fopen(PROCDIR "/loadavg", "r");
if (fd) {
int total = fscanf(fd, "%32lf %32lf %32lf %32d/%32d %32d", one, five, fifteen,
&activeProcs, &totalProcs, &lastProc);
(void) total;
assert(total == 6);
fclose(fd);
}
}

6
unsupported/Platform.c
View File

@ -48,3 +48,9 @@ MeterClass* Platform_meterTypes[] = {
int Platform_getUptime() {
return -1;
}
void Platform_getLoadAverage(double* one, double* five, double* fifteen) {
*one = 0;
*five = 0;
*fifteen = 0;
}