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/*
htop - Process.c
(C) 2004-2006 Hisham H. Muhammad
Released under the GNU GPL, see the COPYING file
in the source distribution for its full text.
*/
#define _GNU_SOURCE
#include "ProcessList.h"
#include "Object.h"
#include "CRT.h"
#include "String.h"
#include "Process.h"
#include "debug.h"
#include <stdio.h>
#include <sys/time.h>
#include <sys/resource.h>
#include <sys/param.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <signal.h>
#include <string.h>
#include <stdbool.h>
#include <pwd.h>
#include <sched.h>
// This works only with glibc 2.1+. On earlier versions
// the behavior is similar to have a hardcoded page size.
#ifndef PAGE_SIZE
#define PAGE_SIZE ( sysconf(_SC_PAGESIZE) / 1024 )
#endif
#define PROCESS_COMM_LEN 300
/*{
typedef enum ProcessField_ {
PID = 1, COMM, STATE, PPID, PGRP, SESSION, TTY_NR, TPGID, FLAGS, MINFLT, CMINFLT, MAJFLT, CMAJFLT, UTIME,
STIME, CUTIME, CSTIME, PRIORITY, NICE, ITREALVALUE, STARTTIME, VSIZE, RSS, RLIM, STARTCODE, ENDCODE,
STARTSTACK, KSTKESP, KSTKEIP, SIGNAL, BLOCKED, SSIGIGNORE, SIGCATCH, WCHAN, NSWAP, CNSWAP, EXIT_SIGNAL,
PROCESSOR, M_SIZE, M_RESIDENT, M_SHARE, M_TRS, M_DRS, M_LRS, M_DT, ST_UID, PERCENT_CPU, PERCENT_MEM,
USER, TIME, NLWP, TGID
#ifdef HAVE_OPENVZ
VEID, VPID,
#endif
LAST_PROCESSFIELD
} ProcessField;
struct ProcessList_;
typedef struct Process_ {
Object super;
struct ProcessList_ *pl;
bool updated;
unsigned int pid;
char* comm;
int indent;
char state;
bool tag;
unsigned int ppid;
unsigned int pgrp;
unsigned int session;
unsigned int tty_nr;
unsigned int tgid;
int tpgid;
unsigned long int flags;
#ifdef DEBUG
unsigned long int minflt;
unsigned long int cminflt;
unsigned long int majflt;
unsigned long int cmajflt;
#endif
unsigned long int utime;
unsigned long int stime;
long int cutime;
long int cstime;
long int priority;
long int nice;
long int nlwp;
#ifdef DEBUG
long int itrealvalue;
unsigned long int starttime;
unsigned long int vsize;
long int rss;
unsigned long int rlim;
unsigned long int startcode;
unsigned long int endcode;
unsigned long int startstack;
unsigned long int kstkesp;
unsigned long int kstkeip;
unsigned long int signal;
unsigned long int blocked;
unsigned long int sigignore;
unsigned long int sigcatch;
unsigned long int wchan;
unsigned long int nswap;
unsigned long int cnswap;
#endif
int exit_signal;
int processor;
int m_size;
int m_resident;
int m_share;
int m_trs;
int m_drs;
int m_lrs;
int m_dt;
uid_t st_uid;
float percent_cpu;
float percent_mem;
char* user;
#ifdef HAVE_OPENVZ
unsigned int veid;
unsigned int vpid;
#endif
} Process;
}*/
#ifdef DEBUG
char* PROCESS_CLASS = "Process";
#else
#define PROCESS_CLASS NULL
#endif
char *Process_fieldNames[] = {
"", "PID", "Command", "STATE", "PPID", "PGRP", "SESSION", "TTY_NR", "TPGID", "FLAGS", "MINFLT", "CMINFLT", "MAJFLT", "CMAJFLT", "UTIME", "STIME", "CUTIME", "CSTIME", "PRIORITY", "NICE", "ITREALVALUE", "STARTTIME", "VSIZE", "RSS", "RLIM", "STARTCODE", "ENDCODE", "STARTSTACK", "KSTKESP", "KSTKEIP", "SIGNAL", "BLOCKED", "SIGIGNORE", "SIGCATCH", "WCHAN", "NSWAP", "CNSWAP", "EXIT_SIGNAL", "PROCESSOR", "M_SIZE", "M_RESIDENT", "M_SHARE", "M_TRS", "M_DRS", "M_LRS", "M_DT", "ST_UID", "PERCENT_CPU", "PERCENT_MEM", "USER", "TIME", "NLWP", "TGID",
#ifdef HAVE_OPENVZ
"VEID", "VPID",
#endif
"*** report bug! ***"
};
static int Process_getuid = -1;
Process* Process_new(struct ProcessList_ *pl) {
Process* this = malloc(sizeof(Process));
Object_setClass(this, PROCESS_CLASS);
((Object*)this)->display = Process_display;
((Object*)this)->delete = Process_delete;
this->pid = 0;
this->pl = pl;
this->tag = false;
this->updated = false;
this->utime = 0;
this->stime = 0;
this->comm = NULL;
this->indent = 0;
if (Process_getuid == -1) Process_getuid = getuid();
return this;
}
Process* Process_clone(Process* this) {
Process* clone = malloc(sizeof(Process));
memcpy(clone, this, sizeof(Process));
this->comm = NULL;
this->pid = 0;
return clone;
}
void Process_delete(Object* cast) {
Process* this = (Process*) cast;
assert (this != NULL);
if (this->comm) free(this->comm);
free(this);
}
void Process_display(Object* cast, RichString* out) {
Process* this = (Process*) cast;
ProcessField* fields = this->pl->fields;
RichString_init(out);
for (int i = 0; fields[i]; i++)
Process_writeField(this, out, fields[i]);
if (this->pl->shadowOtherUsers && this->st_uid != Process_getuid)
RichString_setAttr(out, CRT_colors[PROCESS_SHADOW]);
if (this->tag == true)
RichString_setAttr(out, CRT_colors[PROCESS_TAG]);
assert(out->len > 0);
}
void Process_toggleTag(Process* this) {
this->tag = this->tag == true ? false : true;
}
void Process_setPriority(Process* this, int priority) {
int old_prio = getpriority(PRIO_PROCESS, this->pid);
int err = setpriority(PRIO_PROCESS, this->pid, priority);
if (err == 0 && old_prio != getpriority(PRIO_PROCESS, this->pid)) {
this->nice = priority;
}
}
unsigned long Process_getAffinity(Process* this) {
unsigned long mask = 0;
sched_getaffinity(this->pid, sizeof(unsigned long), (cpu_set_t*) &mask);
return mask;
}
void Process_setAffinity(Process* this, unsigned long mask) {
sched_setaffinity(this->pid, sizeof(unsigned long), (cpu_set_t*) &mask);
}
void Process_sendSignal(Process* this, int signal) {
kill(this->pid, signal);
}
#define ONE_K 1024
#define ONE_M (ONE_K * ONE_K)
#define ONE_G (ONE_M * ONE_K)
static void Process_printLargeNumber(Process* this, RichString *str, unsigned long number) {
char buffer[11];
int len;
if(number >= (1000 * ONE_M)) {
len = snprintf(buffer, 10, "%4.2fG ", (float)number / ONE_M);
RichString_appendn(str, CRT_colors[LARGE_NUMBER], buffer, len);
} else if(number >= (100000)) {
len = snprintf(buffer, 10, "%4ldM ", number / ONE_K);
int attr = this->pl->highlightMegabytes
? CRT_colors[PROCESS_MEGABYTES]
: CRT_colors[PROCESS];
RichString_appendn(str, attr, buffer, len);
} else if (this->pl->highlightMegabytes && number >= 1000) {
len = snprintf(buffer, 10, "%2ld", number/1000);
RichString_appendn(str, CRT_colors[PROCESS_MEGABYTES], buffer, len);
number %= 1000;
len = snprintf(buffer, 10, "%03ld ", number);
RichString_appendn(str, CRT_colors[PROCESS], buffer, len);
} else {
len = snprintf(buffer, 10, "%5ld ", number);
RichString_appendn(str, CRT_colors[PROCESS], buffer, len);
}
}
static double jiffy = 0.0;
static void Process_printTime(RichString* str, unsigned long t) {
if(jiffy == 0.0) jiffy = sysconf(_SC_CLK_TCK);
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