File: Process.h

package info (click to toggle)
htop 2.2.0-1
  • links: PTS, VCS
  • area: main
  • in suites: buster
  • size: 1,832 kB
  • sloc: ansic: 11,911; sh: 4,096; makefile: 165; python: 90
file content (208 lines) | stat: -rw-r--r-- 4,923 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
/* Do not edit this file. It was automatically generated. */

#ifndef HEADER_Process
#define HEADER_Process
/*
htop - Process.h
(C) 2004-2015 Hisham H. Muhammad
Released under the GNU GPL, see the COPYING file
in the source distribution for its full text.
*/

#ifdef MAJOR_IN_MKDEV
#elif defined(MAJOR_IN_SYSMACROS) || \
   (defined(HAVE_SYS_SYSMACROS_H) && HAVE_SYS_SYSMACROS_H)
#endif

#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;
   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_DECIMAL_K 1000L
#define ONE_DECIMAL_M (ONE_DECIMAL_K * ONE_DECIMAL_K)
#define ONE_DECIMAL_G (ONE_DECIMAL_M * 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, int delta);

void Process_sendSignal(Process* this, int sgn);

long Process_pidCompare(const void* v1, const void* v2);

long Process_compare(const void* v1, const void* v2);

#endif