htop/Process.h

209 lines
5.3 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 GPLv2, see the COPYING file
in the source distribution for its full text.
*/
#include <stdbool.h>
#include <stdint.h>
#include <sys/types.h>
#include "Object.h"
#include "ProcessField.h"
#include "RichString.h"
#define PROCESS_FLAG_IO 0x0001
#define DEFAULT_HIGHLIGHT_SECS 5
typedef enum ProcessField_ {
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_VIRT = 39,
M_RESIDENT = 40,
ST_UID = 46,
PERCENT_CPU = 47,
PERCENT_MEM = 48,
USER = 49,
TIME = 50,
NLWP = 51,
TGID = 52,
PERCENT_NORM_CPU = 53,
/* Platform specific fields, defined in ${platform}/ProcessField.h */
PLATFORM_PROCESS_FIELDS
LAST_PROCESSFIELD
} ProcessField;
struct Settings_;
typedef struct Process_ {
Object super;
const struct ProcessList_* processList;
const struct Settings_* settings;
unsigned long long int time;
pid_t pid;
pid_t ppid;
pid_t tgid;
char* comm; /* use Process_getCommand() for Command actually displayed */
int commLen;
int indent;
int basenameOffset;
bool updated;
char state;
bool tag;
bool showChildren;
bool show;
bool wasShown;
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;
const char* user;
long int priority;
long int nice;
long int nlwp;
char starttime_show[8];
time_t starttime_ctime;
long m_virt;
long m_resident;
int exit_signal;
time_t seenTs;
time_t tombTs;
unsigned long int minflt;
unsigned long int majflt;
unsigned int tree_left;
unsigned int tree_right;
unsigned int tree_depth;
unsigned int tree_index;
} Process;
typedef struct ProcessFieldData_ {
const char* name;
const char* title;
const char* description;
uint32_t flags;
bool pidColumn;
} ProcessFieldData;
// Implemented in platform-specific code:
void Process_writeField(const Process* this, RichString* str, ProcessField field);
int Process_compare(const void* v1, const void* v2);
void Process_delete(Object* cast);
bool Process_isThread(const Process* this);
extern const ProcessFieldData Process_fields[LAST_PROCESSFIELD];
#define PROCESS_MAX_PID_DIGITS 19
extern int Process_pidDigits;
typedef Process*(*Process_New)(const struct Settings_*);
typedef void (*Process_WriteField)(const Process*, RichString*, ProcessField);
typedef int (*Process_CompareByKey)(const Process*, const Process*, ProcessField);
typedef const char* (*Process_GetCommandStr)(const Process*);
typedef struct ProcessClass_ {
const ObjectClass super;
const Process_WriteField writeField;
const Process_CompareByKey compareByKey;
const Process_GetCommandStr getCommandStr;
} ProcessClass;
#define As_Process(this_) ((const ProcessClass*)((this_)->super.klass))
#define Process_getCommand(this_) (As_Process(this_)->getCommandStr ? As_Process(this_)->getCommandStr((const Process*)(this_)) : ((const Process*)(this_))->comm)
#define Process_compareByKey(p1_, p2_, key_) (As_Process(p1_)->compareByKey ? (As_Process(p1_)->compareByKey(p1_, p2_, key_)) : Process_compareByKey_Base(p1_, p2_, key_))
static inline pid_t Process_getParentPid(const Process* this) {
return this->tgid == this->pid ? this->ppid : this->tgid;
}
static inline bool Process_isChildOf(const Process* this, pid_t pid) {
return pid == Process_getParentPid(this);
}
#define Process_sortState(state) ((state) == 'I' ? 0x100 : (state))
#define ONE_K 1024UL
#define ONE_M (ONE_K * ONE_K)
#define ONE_G (ONE_M * ONE_K)
#define ONE_T (1ULL * ONE_G * ONE_K)
#define ONE_DECIMAL_K 1000UL
#define ONE_DECIMAL_M (ONE_DECIMAL_K * ONE_DECIMAL_K)
#define ONE_DECIMAL_G (ONE_DECIMAL_M * ONE_DECIMAL_K)
#define ONE_DECIMAL_T (1ULL * ONE_DECIMAL_G * ONE_DECIMAL_K)
void Process_setupColumnWidths(void);
void Process_humanNumber(RichString* str, unsigned long 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_fillStarttimeBuffer(Process* this);
void Process_outputRate(RichString* str, char* buffer, size_t n, double rate, int coloring);
void Process_printLeftAlignedField(RichString* str, int attr, const char* content, unsigned int width);
void Process_display(const Object* cast, RichString* out);
void Process_done(Process* this);
extern const ProcessClass Process_class;
void Process_init(Process* this, const struct Settings_* settings);
void Process_toggleTag(Process* this);
bool Process_isNew(const Process* this);
bool Process_isTomb(const Process* this);
bool Process_setPriority(Process* this, int priority);
bool Process_changePriorityBy(Process* this, Arg delta);
bool Process_sendSignal(Process* this, Arg sgn);
int Process_pidCompare(const void* v1, const void* v2);
int Process_compareByKey_Base(const Process* p1, const Process* p2, ProcessField key);
#endif