htop/Process.h

205 lines
4.8 KiB
C

#ifndef HEADER_Process
#define HEADER_Process
/*
htop - Process.h
(C) 2004-2015 Hisham H. Muhammad
(C) 2020 Red Hat, Inc. All Rights Reserved.
Released under the GNU GPL, see the COPYING file
in the source distribution for its full text.
*/
#ifdef __ANDROID__
#define SYS_ioprio_get __NR_ioprio_get
#define SYS_ioprio_set __NR_ioprio_set
#endif
// On Linux, 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) )
#endif
#define PAGE_SIZE_KB ( PAGE_SIZE / ONE_K )
#include "Object.h"
#include <sys/types.h>
#define PROCESS_FLAG_IO 0x0001
typedef enum ProcessFields {
NULL_PROCESSFIELD = 0,
PID = 1,
COMM = 2,
STATE = 3,
PPID = 4,
PGRP = 5,
SESSION = 6,
TTY_NR = 7,
TPGID = 8,
MINFLT = 10,
MAJFLT = 12,
PRIORITY = 18,
NICE = 19,
STARTTIME = 21,
PROCESSOR = 38,
M_SIZE = 39,
M_RESIDENT = 40,
ST_UID = 46,
PERCENT_CPU = 47,
PERCENT_MEM = 48,
USER = 49,
TIME = 50,
NLWP = 51,
TGID = 52,
} ProcessField;
typedef struct ProcessPidColumn_ {
int id;
const char* label;
} ProcessPidColumn;
typedef struct Process_ {
Object super;
struct Settings_* settings;
unsigned long long int time;
pid_t pid;
pid_t ppid;
pid_t tgid;
char* comm;
int commLen;
int indent;
int basenameOffset;
bool updated;
char state;
bool tag;
bool showChildren;
bool show;
unsigned int pgrp;
unsigned int session;
unsigned int tty_nr;
int tpgid;
uid_t st_uid;
unsigned long int flags;
int processor;
float percent_cpu;
float percent_mem;
char* user;
long int priority;
long int nice;
long int nlwp;
char starttime_show[8];
time_t starttime_ctime;
long m_size;
long m_resident;
int exit_signal;
unsigned long int minflt;
unsigned long int majflt;
#ifdef DEBUG
long int itrealvalue;
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
} Process;
typedef struct ProcessFieldData_ {
const char* name;
const char* title;
const char* description;
int flags;
} ProcessFieldData;
// Implemented in platform-specific code:
void Process_writeField(Process* this, RichString* str, ProcessField field);
long Process_compare(const void* v1, const void* v2);
void Process_delete(Object* cast);
bool Process_isThread(Process* this);
extern ProcessFieldData Process_fields[];
extern ProcessPidColumn Process_pidColumns[];
extern char Process_pidFormat[20];
typedef Process*(*Process_New)(struct Settings_*);
typedef void (*Process_WriteField)(Process*, RichString*, ProcessField);
typedef struct ProcessClass_ {
const ObjectClass super;
const Process_WriteField writeField;
} ProcessClass;
#define As_Process(this_) ((ProcessClass*)((this_)->super.klass))
#define Process_getParentPid(process_) (process_->tgid == process_->pid ? process_->ppid : process_->tgid)
#define Process_isChildOf(process_, pid_) (process_->tgid == pid_ || (process_->tgid == process_->pid && process_->ppid == pid_))
#define Process_sortState(state) ((state) == 'I' ? 0x100 : (state))
#define ONE_K 1024L
#define ONE_M (ONE_K * ONE_K)
#define ONE_G (ONE_M * ONE_K)
#define ONE_T ((long long)ONE_G * ONE_K)
#define ONE_DECIMAL_K 1000L
#define ONE_DECIMAL_M (ONE_DECIMAL_K * ONE_DECIMAL_K)
#define ONE_DECIMAL_G (ONE_DECIMAL_M * ONE_DECIMAL_K)
#define ONE_DECIMAL_T ((long long)ONE_DECIMAL_G * ONE_DECIMAL_K)
extern char Process_pidFormat[20];
void Process_setupColumnWidths();
void Process_humanNumber(RichString* str, unsigned long number, bool coloring);
void Process_colorNumber(RichString* str, unsigned long long number, bool coloring);
void Process_printTime(RichString* str, unsigned long long totalHundredths);
void Process_outputRate(RichString* str, char* buffer, int n, double rate, int coloring);
void Process_writeField(Process* this, RichString* str, ProcessField field);
void Process_display(Object* cast, RichString* out);
void Process_done(Process* this);
extern ProcessClass Process_class;
void Process_init(Process* this, struct Settings_* settings);
void Process_toggleTag(Process* this);
bool Process_setPriority(Process* this, int priority);
bool Process_changePriorityBy(Process* this, Arg delta);
bool Process_sendSignal(Process* this, Arg sgn);
long Process_pidCompare(const void* v1, const void* v2);
long Process_compare(const void* v1, const void* v2);
#endif