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Move "get max pid" code into platform specific area.

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This commit is contained in:
Hisham Muhammad 2014-11-27 20:10:23 -02:00
parent 5578a316f0
commit b4f6b11092
5 changed files with 19 additions and 8 deletions
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10
Process.c
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@ -11,6 +11,7 @@ in the source distribution for its full text.
#include "CRT.h"
#include "String.h"
#include "RichString.h"
#include "Platform.h"
#include <stdio.h>
#include <sys/time.h>
@ -284,12 +285,9 @@ static int Process_getuid = -1;
static char* Process_pidFormat = "%7u ";
static char* Process_tpgidFormat = "%7u ";
void Process_getMaxPid() {
FILE* file = fopen(PROCDIR "/sys/kernel/pid_max", "r");
if (!file) return;
int maxPid = 4194303;
fscanf(file, "%32d", &maxPid);
fclose(file);
void Process_setupColumnWidths() {
int maxPid = Platform_getMaxPid();
if (maxPid == -1) return;
if (maxPid > 99999) {
Process_fieldTitles[PID] = " PID ";
Process_fieldTitles[PPID] = " PPID ";

2
Process.h
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@ -179,7 +179,7 @@ extern const int Process_fieldFlags[];
extern const char *Process_fieldTitles[];
void Process_getMaxPid();
void Process_setupColumnWidths();
#define ONE_K 1024L
#define ONE_M (ONE_K * ONE_K)

2
htop.c
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@ -680,7 +680,7 @@ int main(int argc, char** argv) {
ProcessList* pl = ProcessList_new(ut, pidWhiteList);
pl->userOnly = userOnly;
pl->userId = userId;
Process_getMaxPid();
Process_setupColumnWidths();
Header* header = Header_new(pl);
Settings* settings = Settings_new(pl, header, pl->cpuCount);

9
linux/Platform.c
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@ -93,3 +93,12 @@ void Platform_getLoadAverage(double* one, double* five, double* fifteen) {
}
}
int Platform_getMaxPid() {
FILE* file = fopen(PROCDIR "/sys/kernel/pid_max", "r");
if (!file) return -1;
int maxPid = 4194303;
fscanf(file, "%32d", &maxPid);
fclose(file);
return maxPid;
}

4
unsupported/Platform.c
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@ -54,3 +54,7 @@ void Platform_getLoadAverage(double* one, double* five, double* fifteen) {
*five = 0;
*fifteen = 0;
}
int Platform_getMaxPid() {
return -1;
}