htop/freebsd/FreeBSDProcess.c
Christian Göttsche 90ea3ac3c9 Object: return int on comparison
Comparisons do, due to the new introduced shaceship-comparisons,
only return -1, 0, 1 or the result of strcmp().
2021-01-02 00:00:17 +01:00

136 lines
6.4 KiB
C

/*
htop - FreeBSDProcess.c
(C) 2015 Hisham H. Muhammad
Released under the GNU GPLv2, see the COPYING file
in the source distribution for its full text.
*/
#include "FreeBSDProcess.h"
#include <stdlib.h>
#include "CRT.h"
#include "Macros.h"
#include "Process.h"
#include "RichString.h"
#include "XUtils.h"
const char* const nodevStr = "nodev";
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 = "SID", .description = "Process's session ID", .flags = 0, .pidColumn = true, },
[TTY_NR] = { .name = "TTY_NR", .title = " TTY ", .description = "Controlling terminal", .flags = PROCESS_FLAG_FREEBSD_TTY, },
[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, },
[MAJFLT] = { .name = "MAJFLT", .title = " MAJFLT ", .description = "Number of major faults which have required loading a memory page from disk", .flags = 0, },
[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, },
[M_RESIDENT] = { .name = "M_RESIDENT", .title = " RES ", .description = "Resident set size, size of the text and data sections, plus stack usage", .flags = 0, },
[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, },
[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, },
[PERCENT_MEM] = { .name = "PERCENT_MEM", .title = "MEM% ", .description = "Percentage of the memory the process is using, based on resident memory size", .flags = 0, },
[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, },
[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, },
[JID] = { .name = "JID", .title = "JID", .description = "Jail prison ID", .flags = 0, .pidColumn = true, },
[JAIL] = { .name = "JAIL", .title = "JAIL ", .description = "Jail prison name", .flags = 0, },
};
Process* FreeBSDProcess_new(const Settings* settings) {
FreeBSDProcess* this = xCalloc(1, sizeof(FreeBSDProcess));
Object_setClass(this, Class(FreeBSDProcess));
Process_init(&this->super, settings);
return &this->super;
}
void Process_delete(Object* cast) {
FreeBSDProcess* this = (FreeBSDProcess*) cast;
Process_done((Process*)cast);
free(this->jname);
free(this);
}
static void FreeBSDProcess_writeField(const Process* this, RichString* str, ProcessField field) {
const FreeBSDProcess* fp = (const FreeBSDProcess*) this;
char buffer[256]; buffer[255] = '\0';
int attr = CRT_colors[DEFAULT_COLOR];
int n = sizeof(buffer) - 1;
switch (field) {
// add FreeBSD-specific fields here
case JID: xSnprintf(buffer, n, "%*d ", Process_pidDigits, fp->jid); break;
case JAIL: {
xSnprintf(buffer, n, "%-11s ", fp->jname);
if (buffer[11] != '\0') {
buffer[11] = ' ';
buffer[12] = '\0';
}
break;
}
case TTY_NR:
if (fp->ttyPath) {
if (fp->ttyPath == nodevStr)
attr = CRT_colors[PROCESS_SHADOW];
xSnprintf(buffer, n, "%-8s", fp->ttyPath);
} else {
attr = CRT_colors[PROCESS_SHADOW];
xSnprintf(buffer, n, "? ");
}
break;
default:
Process_writeField(this, str, field);
return;
}
RichString_appendWide(str, attr, buffer);
}
static int FreeBSDProcess_compareByKey(const Process* v1, const Process* v2, ProcessField key) {
const FreeBSDProcess* p1 = (const FreeBSDProcess*)v1;
const FreeBSDProcess* p2 = (const FreeBSDProcess*)v2;
switch (key) {
// add FreeBSD-specific fields here
case JID:
return SPACESHIP_NUMBER(p1->jid, p2->jid);
case JAIL:
return SPACESHIP_NULLSTR(p1->jname, p2->jname);
case TTY_NR:
return SPACESHIP_NULLSTR(p1->ttyPath, p2->ttyPath);
default:
return Process_compareByKey_Base(v1, v2, key);
}
}
bool Process_isThread(const Process* this) {
const FreeBSDProcess* fp = (const FreeBSDProcess*) this;
if (fp->kernel == 1 ) {
return 1;
} else {
return Process_isUserlandThread(this);
}
}
const ProcessClass FreeBSDProcess_class = {
.super = {
.extends = Class(Process),
.display = Process_display,
.delete = Process_delete,
.compare = Process_compare
},
.writeField = FreeBSDProcess_writeField,
.compareByKey = FreeBSDProcess_compareByKey
};