New upstream version 3.3.0upstream/3.3.0upstream

1 files changed, 126 insertions, 0 deletions

diff --git a/darwin/DarwinProcessTable.c b/darwin/DarwinProcessTable.c
new file mode 100644
index 0000000..850b503
--- /dev/null
+++ b/darwin/DarwinProcessTable.c
@@ -0,0 +1,126 @@
+/*
+htop - DarwinProcessTable.c
+(C) 2014 Hisham H. Muhammad
+Released under the GNU GPLv2+, see the COPYING file
+in the source distribution for its full text.
+*/
+
+#include "darwin/DarwinProcessTable.h"
+
+#include <errno.h>
+#include <libproc.h>
+#include <stdbool.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <utmpx.h>
+#include <sys/mman.h>
+#include <sys/sysctl.h>
+
+#include "CRT.h"
+#include "ProcessTable.h"
+#include "darwin/DarwinMachine.h"
+#include "darwin/DarwinProcess.h"
+#include "darwin/Platform.h"
+#include "darwin/PlatformHelpers.h"
+#include "generic/openzfs_sysctl.h"
+#include "zfs/ZfsArcStats.h"
+
+
+static struct kinfo_proc* ProcessTable_getKInfoProcs(size_t* count) {
+   int mib[4] = { CTL_KERN, KERN_PROC, KERN_PROC_ALL, 0 };
+   struct kinfo_proc* processes = NULL;
+
+   for (unsigned int retry = 0; retry < 4; retry++) {
+      size_t size = 0;
+      if (sysctl(mib, 4, NULL, &size, NULL, 0) < 0 || size == 0) {
+         CRT_fatalError("Unable to get size of kproc_infos");
+      }
+
+      size += 16 * retry * retry * sizeof(struct kinfo_proc);
+      processes = xRealloc(processes, size);
+
+      if (sysctl(mib, 4, processes, &size, NULL, 0) == 0) {
+         *count = size / sizeof(struct kinfo_proc);
+         return processes;
+      }
+
+      if (errno != ENOMEM)
+         break;
+   }
+
+   CRT_fatalError("Unable to get kinfo_procs");
+}
+
+ProcessTable* ProcessTable_new(Machine* host, Hashtable* pidMatchList) {
+   DarwinProcessTable* this = xCalloc(1, sizeof(DarwinProcessTable));
+   Object_setClass(this, Class(ProcessTable));
+
+   ProcessTable* super = &this->super;
+   ProcessTable_init(super, Class(DarwinProcess), host, pidMatchList);
+
+   return super;
+}
+
+void ProcessTable_delete(Object* cast) {
+   DarwinProcessTable* this = (DarwinProcessTable*) cast;
+   ProcessTable_done(&this->super);
+   free(this);
+}
+
+void ProcessTable_goThroughEntries(ProcessTable* super) {
+   const Machine* host = super->super.host;
+   const DarwinMachine* dhost = (const DarwinMachine*) host;
+   DarwinProcessTable* dpt = (DarwinProcessTable*) super;
+   bool preExisting = true;
+   struct kinfo_proc* ps;
+   size_t count;
+   DarwinProcess* proc;
+
+   /* Get the time difference */
+   dpt->global_diff = 0;
+   for (unsigned int i = 0; i < host->existingCPUs; ++i) {
+      for (size_t j = 0; j < CPU_STATE_MAX; ++j) {
+         dpt->global_diff += dhost->curr_load[i].cpu_ticks[j] - dhost->prev_load[i].cpu_ticks[j];
+      }
+   }
+
+   const double time_interval_ns = Platform_schedulerTicksToNanoseconds(dpt->global_diff) / (double) host->activeCPUs;
+
+   /* We use kinfo_procs for initial data since :
+    *
+    * 1) They always succeed.
+    * 2) They contain the basic information.
+    *
+    * We attempt to fill-in additional information with libproc.
+    */
+   ps = ProcessTable_getKInfoProcs(&count);
+
+   for (size_t i = 0; i < count; ++i) {
+      proc = (DarwinProcess*)ProcessTable_getProcess(super, ps[i].kp_proc.p_pid, &preExisting, DarwinProcess_new);
+
+      DarwinProcess_setFromKInfoProc(&proc->super, &ps[i], preExisting);
+      DarwinProcess_setFromLibprocPidinfo(proc, dpt, time_interval_ns);
+
+      if (proc->super.st_uid != ps[i].kp_eproc.e_ucred.cr_uid) {
+         proc->super.st_uid = ps[i].kp_eproc.e_ucred.cr_uid;
+         proc->super.user = UsersTable_getRef(host->usersTable, proc->super.st_uid);
+      }
+
+      // Disabled for High Sierra due to bug in macOS High Sierra
+      bool isScanThreadSupported = !Platform_KernelVersionIsBetween((KernelVersion) {17, 0, 0}, (KernelVersion) {17, 5, 0});
+
+      if (isScanThreadSupported) {
+         DarwinProcess_scanThreads(proc);
+      }
+
+      super->totalTasks += 1;
+
+      if (!preExisting) {
+         ProcessTable_add(super, &proc->super);
+      }
+   }
+
+   free(ps);
+}