openbsd/OpenBSDProcess.c

/*
htop - openbsd/OpenBSDProcess.c
(C) 2015 Hisham H. Muhammad
(C) 2015 Michael McConville
Released under the GNU GPL, see the COPYING file
in the source distribution for its full text.
*/

#include "config.h"
#include "Process.h"
#include "OpenBSDProcess.h"
#include "bsd/BSDProcess.h"
#include "ProcessList.h"
#include "Platform.h"
#include "CRT.h"
#ifdef PID_AND_MAIN_THREAD_ID_DIFFER
#include <sys/param.h>
#include <sys/proc.h>
#include <unistd.h>
#endif
#include <stdlib.h>

/*{
#include "Settings.h"
#include <stdbool.h>

typedef enum {
   // Add platform-specific fields here, with ids >= 100
   HTOP_LAST_PROCESSFIELD = 100,
} OpenBSDProcessField;

typedef struct OpenBSDProcess_ {
   Process super;
   bool is_kernel_process;
   bool is_main_thread;
} OpenBSDProcess;
}*/

ProcessClass OpenBSDProcess_class = {
   .super = {
      .extends = Class(Process),
      .display = Process_display,
      .delete = Process_delete,
      .compare = OpenBSDProcess_compare
   },
   .writeField = OpenBSDProcess_writeField,
#ifdef PID_AND_MAIN_THREAD_ID_DIFFER
   .isSelf = OpenBSDProcess_isSelf,
#endif
};

FieldData Process_fields[] = {
   [0] = {
      .name = "",
      .title = NULL,
      .description = NULL,
      .flags = 0, },
   [HTOP_PID_FIELD] = {
      .name = "PID",
      .title = "    PID ",
      .description = "Process/thread ID",
      .flags = 0, },
   [HTOP_NAME_FIELD] = { .name = "NAME", .title = "NAME            ", .description = "Process (executable) name", .flags = 0, },
   [HTOP_COMM_FIELD] = {
      .name = "Command",
      .title = "Command ",
      .description = "Command line",
      .flags = 0, },
   [HTOP_STATE_FIELD] = { .name = "STATE", .title = "S ", .description = "Process state (O running, R runnable, I idle, S sleeping, D uninterruptible sleeping, T stopped, Z zombie)", .flags = 0 },
   [HTOP_PPID_FIELD] = {
      .name = "PPID",
      .title = "   PPID ",
      .description = "Parent process ID",
      .flags = 0, },
   [HTOP_PGRP_FIELD] = {
      .name = "PGRP",
      .title = "   PGRP ",
      .description = "Process group ID",
      .flags = 0, },
   [HTOP_SESSION_FIELD] = {
      .name = "SESSION",
      .title = "   SESN ",
      .description = "Process's session ID",
      .flags = 0, },
   [HTOP_TTY_FIELD] = { .name = "TTY", .title = "TTY     ", .description = "Controlling terminal", .flags = 0, },
   [HTOP_TPGID_FIELD] = {
      .name = "TPGID",
      .title = "  TPGID ",
      .description = "Process ID of the fg process group of the controlling terminal",
      .flags = 0, },
   [HTOP_MINFLT_FIELD] = {
      .name = "MINFLT",
      .title = "     MINFLT ",
      .description = "Number of minor faults which have not required loading a memory page from disk",
      .flags = 0, },
   [HTOP_MAJFLT_FIELD] = {
      .name = "MAJFLT",
      .title = "     MAJFLT ",
      .description = "Number of major faults which have required loading a memory page from disk",
      .flags = 0, },
   [HTOP_PRIORITY_FIELD] = {
      .name = "PRIORITY",
      .title = "PRI ",
      .description = "Kernel's internal priority for the process",
      .flags = 0, },
   [HTOP_NICE_FIELD] = {
      .name = "NICE",
      .title = " NI ",
      .description = "Nice value (the higher the value, the more it lets other processes take priority)",
      .flags = 0, },
   [HTOP_STARTTIME_FIELD] = {
      .name = "STARTTIME",
      .title = "START ",
      .description = "Time the process was started",
      .flags = 0, },
   [HTOP_PROCESSOR_FIELD] = {
      .name = "PROCESSOR",
      .title = "CPU ",
      .description = "Id of the CPU the process last executed on",
      .flags = 0, },
   [HTOP_M_SIZE_FIELD] = {
      .name = "M_SIZE",
      .title = " VIRT ",
      .description = "Total program size in virtual memory",
      .flags = 0, },
   [HTOP_M_RESIDENT_FIELD] = {
      .name = "M_RESIDENT",
      .title = "  RES ",
      .description = "Resident set size, size of the text and data sections, plus stack usage",
      .flags = 0, },
   [HTOP_REAL_UID_FIELD] = { .name = "REAL_UID", .title = "  RUID ", .description = "Real user ID", .flags = 0, },
   [HTOP_EFFECTIVE_UID_FIELD] = { .name = "EFFECTIVE_UID", .title = "  EUID ", .description = "Effective user ID", .flags = 0, },
   [HTOP_PERCENT_CPU_FIELD] = {
      .name = "PERCENT_CPU",
      .title = "CPU% ",
      .description = "Percentage of the CPU time the process used in the last sampling",
      .flags = 0, },
   [HTOP_PERCENT_MEM_FIELD] = {
      .name = "PERCENT_MEM",
      .title = "MEM% ",
      .description = "Percentage of the memory the process is using, based on resident memory size",
      .flags = 0, },
   [HTOP_REAL_USER_FIELD] = { .name = "REAL_USER", .title = "REAL_USER ", .description = "Real user (or numeric user ID if name cannot be determined)", .flags = 0, },
   [HTOP_EFFECTIVE_USER_FIELD] = { .name = "EFFECTIVE_USER", .title = "EFFE_USER ", .description = "Effective user (or numeric user ID if name cannot be determined)", .flags = 0, },
   [HTOP_TIME_FIELD] = {
      .name = "TIME",
      .title = "  TIME+  ",
      .description = "Total time the process has spent in user and system time",
      .flags = 0, },
   [HTOP_NLWP_FIELD] = {
      .name = "NLWP",
      .title = "NLWP ",
      .description = "Number of threads in the process",
      .flags = 0, },
   [HTOP_TGID_FIELD] = {
      .name = "TGID",
      .title = "   TGID ",
      .description = "Thread group ID (i.e. process ID)",
      .flags = 0, },
   [HTOP_LAST_PROCESSFIELD] = {
      .name = "*** report bug! ***",
      .title = NULL,
      .description = NULL,
      .flags = 0, },
};

ProcessPidColumn Process_pidColumns[] = {
   { .id = HTOP_PID_FIELD, .label = "PID" },
   { .id = HTOP_PPID_FIELD, .label = "PPID" },
   { .id = HTOP_TPGID_FIELD, .label = "TPGID" },
   { .id = HTOP_TGID_FIELD, .label = "TGID" },
   { .id = HTOP_PGRP_FIELD, .label = "PGRP" },
   { .id = HTOP_SESSION_FIELD, .label = "SESN" },
   { .id = 0, .label = NULL },
};

OpenBSDProcess* OpenBSDProcess_new(Settings* settings) {
   OpenBSDProcess* this = xCalloc(sizeof(OpenBSDProcess), 1);
   Object_setClass(this, Class(OpenBSDProcess));
   Process_init(&this->super, settings);
   return this;
}

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

void OpenBSDProcess_writeField(const Process *this, RichString* str, ProcessField field) {
   char buffer[256]; buffer[255] = '\0';
   int attr = CRT_colors[HTOP_DEFAULT_COLOR];
   switch (field) {
      // add OpenBSD-specific fields here
      default:
         BSDProcess_writeField(this, str, field);
         return;
   }
   RichString_append(str, attr, buffer);
}

long OpenBSDProcess_compare(const void* v1, const void* v2) {
   const OpenBSDProcess *p1, *p2;
   const Settings *settings = ((const Process *)v1)->settings;
   if (settings->direction == 1) {
      p1 = v1;
      p2 = v2;
   } else {
      p2 = v1;
      p1 = v2;
   }
   switch (settings->sortKey) {
      // add OpenBSD-specific fields here
      default:
         return Process_compare(v1, v2);
   }
}

#ifdef PID_AND_MAIN_THREAD_ID_DIFFER
bool OpenBSDProcess_isSelf(const Process *this) {
	static pid_t mypid = -1, mytid = -1;
	if(mypid == -1 || mytid == -1) {
		mypid = getpid();
		mytid = getthrid() - THREAD_PID_OFFSET;
	}
	return this->pid == this->tgid ?
		this->pid == mypid : this->pid == mytid;
}
#endif

bool Process_isKernelProcess(const Process *this) {
	return ((const OpenBSDProcess *)this)->is_kernel_process;
}

bool Process_isExtraThreadProcess(const Process* this) {
#ifdef PID_AND_MAIN_THREAD_ID_DIFFER
	if(this->settings->hide_high_level_processes) return !((const OpenBSDProcess *)this)->is_main_thread;
#endif
	return this->pid != this->tgid;
}

char **Process_getKernelStackTrace(const Process *this) {
	return NULL;
}