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diff --git a/dragonflybsd/Platform.c b/dragonflybsd/Platform.c
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+/*
+htop - dragonflybsd/Platform.c
+(C) 2014 Hisham H. Muhammad
+(C) 2017 Diederik de Groot
+Released under the GNU GPLv2+, see the COPYING file
+in the source distribution for its full text.
+*/
+
+#include "config.h" // IWYU pragma: keep
+
+#include "dragonflybsd/Platform.h"
+
+#include <math.h>
+#include <time.h>
+#include <sys/resource.h>
+#include <sys/sysctl.h>
+#include <sys/time.h>
+#include <sys/types.h>
+#include <vm/vm_param.h>
+
+#include "ClockMeter.h"
+#include "CPUMeter.h"
+#include "DateMeter.h"
+#include "DateTimeMeter.h"
+#include "FileDescriptorMeter.h"
+#include "HostnameMeter.h"
+#include "LoadAverageMeter.h"
+#include "Macros.h"
+#include "MemoryMeter.h"
+#include "MemorySwapMeter.h"
+#include "ProcessTable.h"
+#include "SwapMeter.h"
+#include "SysArchMeter.h"
+#include "TasksMeter.h"
+#include "UptimeMeter.h"
+#include "XUtils.h"
+#include "dragonflybsd/DragonFlyBSDProcess.h"
+#include "dragonflybsd/DragonFlyBSDProcessTable.h"
+#include "generic/fdstat_sysctl.h"
+
+
+const ScreenDefaults Platform_defaultScreens[] = {
+ {
+ .name = "Main",
+ .columns = "PID USER PRIORITY NICE M_VIRT M_RESIDENT STATE PERCENT_CPU PERCENT_MEM TIME Command",
+ .sortKey = "PERCENT_CPU",
+ },
+};
+
+const unsigned int Platform_numberOfDefaultScreens = ARRAYSIZE(Platform_defaultScreens);
+
+const SignalItem Platform_signals[] = {
+ { .name = " 0 Cancel", .number = 0 },
+ { .name = " 1 SIGHUP", .number = 1 },
+ { .name = " 2 SIGINT", .number = 2 },
+ { .name = " 3 SIGQUIT", .number = 3 },
+ { .name = " 4 SIGILL", .number = 4 },
+ { .name = " 5 SIGTRAP", .number = 5 },
+ { .name = " 6 SIGABRT", .number = 6 },
+ { .name = " 7 SIGEMT", .number = 7 },
+ { .name = " 8 SIGFPE", .number = 8 },
+ { .name = " 9 SIGKILL", .number = 9 },
+ { .name = "10 SIGBUS", .number = 10 },
+ { .name = "11 SIGSEGV", .number = 11 },
+ { .name = "12 SIGSYS", .number = 12 },
+ { .name = "13 SIGPIPE", .number = 13 },
+ { .name = "14 SIGALRM", .number = 14 },
+ { .name = "15 SIGTERM", .number = 15 },
+ { .name = "16 SIGURG", .number = 16 },
+ { .name = "17 SIGSTOP", .number = 17 },
+ { .name = "18 SIGTSTP", .number = 18 },
+ { .name = "19 SIGCONT", .number = 19 },
+ { .name = "20 SIGCHLD", .number = 20 },
+ { .name = "21 SIGTTIN", .number = 21 },
+ { .name = "22 SIGTTOU", .number = 22 },
+ { .name = "23 SIGIO", .number = 23 },
+ { .name = "24 SIGXCPU", .number = 24 },
+ { .name = "25 SIGXFSZ", .number = 25 },
+ { .name = "26 SIGVTALRM", .number = 26 },
+ { .name = "27 SIGPROF", .number = 27 },
+ { .name = "28 SIGWINCH", .number = 28 },
+ { .name = "29 SIGINFO", .number = 29 },
+ { .name = "30 SIGUSR1", .number = 30 },
+ { .name = "31 SIGUSR2", .number = 31 },
+ { .name = "32 SIGTHR", .number = 32 },
+ { .name = "33 SIGLIBRT", .number = 33 },
+};
+
+const unsigned int Platform_numberOfSignals = ARRAYSIZE(Platform_signals);
+
+const MeterClass* const Platform_meterTypes[] = {
+ &CPUMeter_class,
+ &ClockMeter_class,
+ &DateMeter_class,
+ &DateTimeMeter_class,
+ &LoadAverageMeter_class,
+ &LoadMeter_class,
+ &MemoryMeter_class,
+ &MemorySwapMeter_class,
+ &SwapMeter_class,
+ &TasksMeter_class,
+ &UptimeMeter_class,
+ &BatteryMeter_class,
+ &HostnameMeter_class,
+ &SysArchMeter_class,
+ &AllCPUsMeter_class,
+ &AllCPUs2Meter_class,
+ &AllCPUs4Meter_class,
+ &AllCPUs8Meter_class,
+ &LeftCPUsMeter_class,
+ &RightCPUsMeter_class,
+ &LeftCPUs2Meter_class,
+ &RightCPUs2Meter_class,
+ &LeftCPUs4Meter_class,
+ &RightCPUs4Meter_class,
+ &LeftCPUs8Meter_class,
+ &RightCPUs8Meter_class,
+ &FileDescriptorMeter_class,
+ &BlankMeter_class,
+ NULL
+};
+
+bool Platform_init(void) {
+ /* no platform-specific setup needed */
+ return true;
+}
+
+void Platform_done(void) {
+ /* no platform-specific cleanup needed */
+}
+
+void Platform_setBindings(Htop_Action* keys) {
+ /* no platform-specific key bindings */
+ (void) keys;
+}
+
+int Platform_getUptime(void) {
+ struct timeval bootTime, currTime;
+ int mib[2] = { CTL_KERN, KERN_BOOTTIME };
+ size_t size = sizeof(bootTime);
+
+ int err = sysctl(mib, 2, &bootTime, &size, NULL, 0);
+ if (err) {
+ return -1;
+ }
+ gettimeofday(&currTime, NULL);
+
+ return (int) difftime(currTime.tv_sec, bootTime.tv_sec);
+}
+
+void Platform_getLoadAverage(double* one, double* five, double* fifteen) {
+ struct loadavg loadAverage;
+ int mib[2] = { CTL_VM, VM_LOADAVG };
+ size_t size = sizeof(loadAverage);
+
+ int err = sysctl(mib, 2, &loadAverage, &size, NULL, 0);
+ if (err) {
+ *one = 0;
+ *five = 0;
+ *fifteen = 0;
+ return;
+ }
+ *one = (double) loadAverage.ldavg[0] / loadAverage.fscale;
+ *five = (double) loadAverage.ldavg[1] / loadAverage.fscale;
+ *fifteen = (double) loadAverage.ldavg[2] / loadAverage.fscale;
+}
+
+pid_t Platform_getMaxPid(void) {
+ int maxPid;
+ size_t size = sizeof(maxPid);
+ int err = sysctlbyname("kern.pid_max", &maxPid, &size, NULL, 0);
+ if (err) {
+ return 999999;
+ }
+ return maxPid;
+}
+
+double Platform_setCPUValues(Meter* this, unsigned int cpu) {
+ const Machine* host = this->host;
+ const DragonFlyBSDMachine* dhost = (const DragonFlyBSDMachine*) host;
+ unsigned int cpus = host->activeCPUs;
+ const CPUData* cpuData;
+
+ if (cpus == 1) {
+ // single CPU box has everything in fpl->cpus[0]
+ cpuData = &(dhost->cpus[0]);
+ } else {
+ cpuData = &(dhost->cpus[cpu]);
+ }
+
+ double percent;
+ double* v = this->values;
+
+ v[CPU_METER_NICE] = cpuData->nicePercent;
+ v[CPU_METER_NORMAL] = cpuData->userPercent;
+ if (super->settings->detailedCPUTime) {
+ v[CPU_METER_KERNEL] = cpuData->systemPercent;
+ v[CPU_METER_IRQ] = cpuData->irqPercent;
+ this->curItems = 4;
+ } else {
+ v[CPU_METER_KERNEL] = cpuData->systemAllPercent;
+ this->curItems = 3;
+ }
+
+ percent = sumPositiveValues(v, this->curItems);
+ percent = MINIMUM(percent, 100.0);
+
+ v[CPU_METER_FREQUENCY] = NAN;
+ v[CPU_METER_TEMPERATURE] = NAN;
+
+ return percent;
+}
+
+void Platform_setMemoryValues(Meter* this) {
+ const Machine* host = this->host;
+
+ this->total = host->totalMem;
+ this->values[MEMORY_METER_USED] = host->usedMem;
+ // this->values[MEMORY_METER_SHARED] = "shared memory, like tmpfs and shm"
+ // this->values[MEMORY_METER_COMPRESSED] = "compressed memory, like zswap on linux"
+ this->values[MEMORY_METER_BUFFERS] = host->buffersMem;
+ this->values[MEMORY_METER_CACHE] = host->cachedMem;
+ // this->values[MEMORY_METER_AVAILABLE] = "available memory"
+}
+
+void Platform_setSwapValues(Meter* this) {
+ const Machine* host = this->host;
+ this->total = host->totalSwap;
+ this->values[SWAP_METER_USED] = host->usedSwap;
+ // mtr->values[SWAP_METER_CACHE] = "pages that are both in swap and RAM, like SwapCached on linux"
+ // mtr->values[SWAP_METER_FRONTSWAP] = "pages that are accounted to swap but stored elsewhere, like frontswap on linux"
+}
+
+char* Platform_getProcessEnv(pid_t pid) {
+ // TODO
+ (void)pid; // prevent unused warning
+ return NULL;
+}
+
+FileLocks_ProcessData* Platform_getProcessLocks(pid_t pid) {
+ (void)pid;
+ return NULL;
+}
+
+void Platform_getFileDescriptors(double* used, double* max) {
+ Generic_getFileDescriptors_sysctl(used, max);
+}
+
+bool Platform_getDiskIO(DiskIOData* data) {
+ // TODO
+ (void)data;
+ return false;
+}
+
+bool Platform_getNetworkIO(NetworkIOData* data) {
+ // TODO
+ (void)data;
+ return false;
+}
+
+void Platform_getBattery(double* percent, ACPresence* isOnAC) {
+ int life;
+ size_t life_len = sizeof(life);
+ if (sysctlbyname("hw.acpi.battery.life", &life, &life_len, NULL, 0) == -1)
+ *percent = NAN;
+ else
+ *percent = life;
+
+ int acline;
+ size_t acline_len = sizeof(acline);
+ if (sysctlbyname("hw.acpi.acline", &acline, &acline_len, NULL, 0) == -1)
+ *isOnAC = AC_ERROR;
+ else
+ *isOnAC = acline == 0 ? AC_ABSENT : AC_PRESENT;
+}
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