mirror of https://github.com/htop-dev/htop.git
127 lines
3.7 KiB
C
127 lines
3.7 KiB
C
/*
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htop - DarwinProcessTable.c
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(C) 2014 Hisham H. Muhammad
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Released under the GNU GPLv2+, 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 "darwin/DarwinProcessTable.h"
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#include <errno.h>
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#include <libproc.h>
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#include <stdbool.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <utmpx.h>
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#include <sys/mman.h>
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#include <sys/sysctl.h>
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#include "CRT.h"
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#include "ProcessTable.h"
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#include "darwin/DarwinMachine.h"
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#include "darwin/DarwinProcess.h"
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#include "darwin/Platform.h"
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#include "darwin/PlatformHelpers.h"
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#include "generic/openzfs_sysctl.h"
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#include "zfs/ZfsArcStats.h"
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static struct kinfo_proc* ProcessTable_getKInfoProcs(size_t* count) {
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int mib[4] = { CTL_KERN, KERN_PROC, KERN_PROC_ALL, 0 };
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struct kinfo_proc* processes = NULL;
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for (unsigned int retry = 0; retry < 4; retry++) {
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size_t size = 0;
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if (sysctl(mib, 4, NULL, &size, NULL, 0) < 0 || size == 0) {
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CRT_fatalError("Unable to get size of kproc_infos");
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}
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size += 16 * retry * retry * sizeof(struct kinfo_proc);
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processes = xRealloc(processes, size);
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if (sysctl(mib, 4, processes, &size, NULL, 0) == 0) {
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*count = size / sizeof(struct kinfo_proc);
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return processes;
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}
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if (errno != ENOMEM)
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break;
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}
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CRT_fatalError("Unable to get kinfo_procs");
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}
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ProcessTable* ProcessTable_new(Machine* host, Hashtable* pidMatchList) {
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DarwinProcessTable* this = xCalloc(1, sizeof(DarwinProcessTable));
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Object_setClass(this, Class(ProcessTable));
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ProcessTable* super = &this->super;
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ProcessTable_init(super, Class(DarwinProcess), host, pidMatchList);
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return super;
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}
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void ProcessTable_delete(Object* cast) {
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DarwinProcessTable* this = (DarwinProcessTable*) cast;
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ProcessTable_done(&this->super);
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free(this);
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}
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void ProcessTable_goThroughEntries(ProcessTable* super) {
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const Machine* host = super->super.host;
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const DarwinMachine* dhost = (const DarwinMachine*) host;
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DarwinProcessTable* dpt = (DarwinProcessTable*) super;
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bool preExisting = true;
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struct kinfo_proc* ps;
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size_t count;
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DarwinProcess* proc;
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/* Get the time difference */
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dpt->global_diff = 0;
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for (unsigned int i = 0; i < host->existingCPUs; ++i) {
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for (size_t j = 0; j < CPU_STATE_MAX; ++j) {
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dpt->global_diff += dhost->curr_load[i].cpu_ticks[j] - dhost->prev_load[i].cpu_ticks[j];
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}
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}
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const double time_interval_ns = Platform_schedulerTicksToNanoseconds(dpt->global_diff) / (double) host->activeCPUs;
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/* We use kinfo_procs for initial data since :
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*
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* 1) They always succeed.
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* 2) They contain the basic information.
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*
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* We attempt to fill-in additional information with libproc.
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*/
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ps = ProcessTable_getKInfoProcs(&count);
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for (size_t i = 0; i < count; ++i) {
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proc = (DarwinProcess*)ProcessTable_getProcess(super, ps[i].kp_proc.p_pid, &preExisting, DarwinProcess_new);
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DarwinProcess_setFromKInfoProc(&proc->super, &ps[i], preExisting);
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DarwinProcess_setFromLibprocPidinfo(proc, dpt, time_interval_ns);
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if (proc->super.st_uid != ps[i].kp_eproc.e_ucred.cr_uid) {
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proc->super.st_uid = ps[i].kp_eproc.e_ucred.cr_uid;
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proc->super.user = UsersTable_getRef(host->usersTable, proc->super.st_uid);
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}
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// Disabled for High Sierra due to bug in macOS High Sierra
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bool isScanThreadSupported = !Platform_KernelVersionIsBetween((KernelVersion) {17, 0, 0}, (KernelVersion) {17, 5, 0});
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if (isScanThreadSupported) {
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DarwinProcess_scanThreads(proc, dpt);
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}
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super->totalTasks += 1;
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if (!preExisting) {
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ProcessTable_add(super, &proc->super);
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}
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}
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free(ps);
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}
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