mirror of https://github.com/xzeldon/htop.git
105 lines
2.7 KiB
C
105 lines
2.7 KiB
C
/*
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htop - linux/Platform.c
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(C) 2014 Hisham H. Muhammad
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Released under the GNU GPL, see the COPYING file
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in the source distribution for its full text.
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*/
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#include "Platform.h"
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#include "IOPriority.h"
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#include "IOPriorityPanel.h"
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#include "LinuxProcess.h"
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#include "Meter.h"
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#include "CPUMeter.h"
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#include "MemoryMeter.h"
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#include "SwapMeter.h"
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#include "TasksMeter.h"
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#include "LoadAverageMeter.h"
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#include "UptimeMeter.h"
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#include "BatteryMeter.h"
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#include "ClockMeter.h"
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#include "HostnameMeter.h"
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#include <math.h>
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#include <assert.h>
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/*{
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#include "Action.h"
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}*/
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static Htop_Reaction Platform_actionSetIOPriority(Panel* panel, ProcessList* pl, Header* header) {
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(void) panel, (void) pl;
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LinuxProcess* p = (LinuxProcess*) Panel_getSelected(panel);
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if (!p) return HTOP_OK;
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IOPriority ioprio = p->ioPriority;
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Panel* ioprioPanel = IOPriorityPanel_new(ioprio);
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const char* fuFunctions[] = {"Set ", "Cancel ", NULL};
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void* set = Action_pickFromVector(panel, ioprioPanel, 21, fuFunctions, header);
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if (set) {
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IOPriority ioprio = IOPriorityPanel_getIOPriority(ioprioPanel);
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bool ok = Action_foreachProcess(panel, (Action_ForeachProcessFn) LinuxProcess_setIOPriority, (size_t) ioprio, NULL);
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if (!ok)
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beep();
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}
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Panel_delete((Object*)ioprioPanel);
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return HTOP_REFRESH | HTOP_REDRAW_BAR | HTOP_UPDATE_PANELHDR;
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}
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void Platform_setBindings(Htop_Action* keys) {
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keys['i'] = Platform_actionSetIOPriority;
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}
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MeterClass* Platform_meterTypes[] = {
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&CPUMeter_class,
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&ClockMeter_class,
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&LoadAverageMeter_class,
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&LoadMeter_class,
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&MemoryMeter_class,
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&SwapMeter_class,
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&TasksMeter_class,
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&UptimeMeter_class,
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&BatteryMeter_class,
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&HostnameMeter_class,
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&AllCPUsMeter_class,
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&AllCPUs2Meter_class,
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&LeftCPUsMeter_class,
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&RightCPUsMeter_class,
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&LeftCPUs2Meter_class,
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&RightCPUs2Meter_class,
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&BlankMeter_class,
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NULL
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};
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int Platform_getUptime() {
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double uptime = 0;
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FILE* fd = fopen(PROCDIR "/uptime", "r");
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if (fd) {
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fscanf(fd, "%64lf", &uptime);
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fclose(fd);
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}
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return (int) floor(uptime);
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}
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void Platform_getLoadAverage(double* one, double* five, double* fifteen) {
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int activeProcs, totalProcs, lastProc;
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*one = 0; *five = 0; *fifteen = 0;
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FILE *fd = fopen(PROCDIR "/loadavg", "r");
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if (fd) {
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int total = fscanf(fd, "%32lf %32lf %32lf %32d/%32d %32d", one, five, fifteen,
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&activeProcs, &totalProcs, &lastProc);
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(void) total;
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assert(total == 6);
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fclose(fd);
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}
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}
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int Platform_getMaxPid() {
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FILE* file = fopen(PROCDIR "/sys/kernel/pid_max", "r");
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if (!file) return -1;
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int maxPid = 4194303;
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fscanf(file, "%32d", &maxPid);
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fclose(file);
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return maxPid;
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}
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