htop/netbsd/NetBSDProcess.c

/*
htop - NetBSDProcess.c
(C) 2015 Hisham H. Muhammad
(C) 2015 Michael McConville
(C) 2021 Santhosh Raju
(C) 2021 htop dev team
Released under the GNU GPLv2, see the COPYING file
in the source distribution for its full text.
*/

#include "netbsd/NetBSDProcess.h"

#include <stdlib.h>

#include "CRT.h"
#include "Process.h"
#include "RichString.h"
#include "XUtils.h"


const ProcessFieldData Process_fields[LAST_PROCESSFIELD] = {
   [0] = {
      .name = "",
      .title = NULL,
      .description = NULL,
      .flags = 0,
   },
   [PID] = {
      .name = "PID",
      .title = "PID",
      .description = "Process/thread ID",
      .flags = 0,
      .pidColumn = true,
   },
   [COMM] = {
      .name = "Command",
      .title = "Command ",
      .description = "Command line",
      .flags = 0,
   },
   [STATE] = {
      .name = "STATE",
      .title = "S ",
      .description = "Process state (S sleeping, R running, D disk, Z zombie, T traced, W paging)",
      .flags = 0,
   },
   [PPID] = {
      .name = "PPID",
      .title = "PPID",
      .description = "Parent process ID",
      .flags = 0,
      .pidColumn = true,
   },
   [PGRP] = {
      .name = "PGRP",
      .title = "PGRP",
      .description = "Process group ID",
      .flags = 0,
      .pidColumn = true,
   },
   [SESSION] = {
      .name = "SESSION",
      .title = "SESN",
      .description = "Process's session ID",
      .flags = 0,
      .pidColumn = true,
   },
   [TTY] = {
      .name = "TTY",
      .title = "TTY      ",
      .description = "Controlling terminal",
      .flags = 0,
   },
   [TPGID] = {
      .name = "TPGID",
      .title = "TPGID",
      .description = "Process ID of the fg process group of the controlling terminal",
      .flags = 0,
      .pidColumn = true,
   },
   [MINFLT] = {
      .name = "MINFLT",
      .title = "     MINFLT ",
      .description = "Number of minor faults which have not required loading a memory page from disk",
      .flags = 0,
      .defaultSortDesc = true,
   },
   [MAJFLT] = {
      .name = "MAJFLT",
      .title = "     MAJFLT ",
      .description = "Number of major faults which have required loading a memory page from disk",
      .flags = 0,
      .defaultSortDesc = true,
   },
   [PRIORITY] = {
      .name = "PRIORITY",
      .title = "PRI ",
      .description = "Kernel's internal priority for the process",
      .flags = 0,
   },
   [NICE] = {
      .name = "NICE",
      .title = " NI ",
      .description = "Nice value (the higher the value, the more it lets other processes take priority)",
      .flags = 0,
   },
   [STARTTIME] = {
      .name = "STARTTIME",
      .title = "START ",
      .description = "Time the process was started",
      .flags = 0,
   },
   [PROCESSOR] = {
      .name = "PROCESSOR",
      .title = "CPU ",
      .description = "Id of the CPU the process last executed on",
      .flags = 0,
   },
   [M_VIRT] = {
      .name = "M_VIRT",
      .title = " VIRT ",
      .description = "Total program size in virtual memory",
      .flags = 0,
      .defaultSortDesc = true,
   },
   [M_RESIDENT] = {
      .name = "M_RESIDENT",
      .title = "  RES ",
      .description = "Resident set size, size of the text and data sections, plus stack usage",
      .flags = 0,
      .defaultSortDesc = true,
   },
   [ST_UID] = {
      .name = "ST_UID",
      .title = "  UID ",
      .description = "User ID of the process owner",
      .flags = 0,
   },
   [PERCENT_CPU] = {
      .name = "PERCENT_CPU",
      .title = "CPU% ",
      .description = "Percentage of the CPU time the process used in the last sampling",
      .flags = 0,
      .defaultSortDesc = true,
   },
   [PERCENT_NORM_CPU] = {
      .name = "PERCENT_NORM_CPU",
      .title = "NCPU%",
      .description = "Normalized percentage of the CPU time the process used in the last sampling (normalized by cpu count)",
      .flags = 0,
      .defaultSortDesc = true,
   },
   [PERCENT_MEM] = {
      .name = "PERCENT_MEM",
      .title = "MEM% ",
      .description = "Percentage of the memory the process is using, based on resident memory size",
      .flags = 0,
      .defaultSortDesc = true,
   },
   [USER] = {
      .name = "USER",
      .title = "USER      ",
      .description = "Username of the process owner (or user ID if name cannot be determined)",
      .flags = 0,
   },
   [TIME] = {
      .name = "TIME",
      .title = "  TIME+  ",
      .description = "Total time the process has spent in user and system time",
      .flags = 0,
      .defaultSortDesc = true,
   },
   [NLWP] = {
      .name = "NLWP",
      .title = "NLWP ",
      .description = "Number of threads in the process",
      .flags = 0,
   },
   [TGID] = {
      .name = "TGID",
      .title = "TGID",
      .description = "Thread group ID (i.e. process ID)",
      .flags = 0,
      .pidColumn = true,
   },
};

Process* NetBSDProcess_new(const Settings* settings) {
   NetBSDProcess* this = xCalloc(sizeof(NetBSDProcess), 1);
   Object_setClass(this, Class(NetBSDProcess));
   Process_init(&this->super, settings);
   return &this->super;
}

void Process_delete(Object* cast) {
   NetBSDProcess* this = (NetBSDProcess*) cast;
   Process_done((Process*)cast);
   free(this);
}

static void NetBSDProcess_writeField(const Process* this, RichString* str, ProcessField field) {
   char buffer[256]; buffer[255] = '\0';
   int attr = CRT_colors[DEFAULT_COLOR];

   switch (field) {
   // add NetBSD-specific fields here
   default:
      Process_writeField(this, str, field);
      return;
   }
   RichString_appendWide(str, attr, buffer);
}

static int NetBSDProcess_compareByKey(const Process* v1, const Process* v2, ProcessField key) {
   const NetBSDProcess* p1 = (const NetBSDProcess*)v1;
   const NetBSDProcess* p2 = (const NetBSDProcess*)v2;

   // remove if actually used
   (void)p1; (void)p2;

   switch (key) {
   // add NetBSD-specific fields here
   default:
      return Process_compareByKey_Base(v1, v2, key);
   }
}

const ProcessClass NetBSDProcess_class = {
   .super = {
      .extends = Class(Process),
      .display = Process_display,
      .delete = Process_delete,
      .compare = Process_compare
   },
   .writeField = NetBSDProcess_writeField,
   .compareByKey = NetBSDProcess_compareByKey
};

bool Process_isThread(const Process* this) {
   return Process_isKernelThread(this) || Process_isUserlandThread(this);
}