/*
htop - ProcessList.c
(C) 2004,2005 Hisham H. Muhammad
Released under the GNU GPL, see the COPYING file
in the source distribution for its full text.
*/
#include "ProcessList.h"
#include "CRT.h"
#include "String.h"
#include <sys/time.h>
#include <sys/utsname.h>
#include <sys/stat.h>
#include <unistd.h>
#include <dirent.h>
#include <stdlib.h>
#include <stdio.h>
#include <signal.h>
#include <stdbool.h>
#include <stdarg.h>
#include <math.h>
#include <string.h>
#include <time.h>
#include <assert.h>
#include <sys/types.h>
#include <fcntl.h>
#include <errno.h>
/*{
#include "Vector.h"
#include "Hashtable.h"
#include "UsersTable.h"
#include "Panel.h"
#include "Process.h"
#ifndef PROCDIR
#define PROCDIR "/proc"
#endif
#ifndef PROCSTATFILE
#define PROCSTATFILE PROCDIR "/stat"
#endif
#ifndef PROCMEMINFOFILE
#define PROCMEMINFOFILE PROCDIR "/meminfo"
#endif
#ifndef MAX_NAME
#define MAX_NAME 128
#endif
#ifndef MAX_READ
#define MAX_READ 2048
#endif
#ifndef ProcessList_cpuId
#define ProcessList_cpuId(pl, cpu) ((pl)->countCPUsFromZero ? (cpu) : (cpu)+1)
#endif
typedef enum TreeStr_ {
TREE_STR_HORZ,
TREE_STR_VERT,
TREE_STR_RTEE,
TREE_STR_BEND,
TREE_STR_TEND,
TREE_STR_OPEN,
TREE_STR_SHUT,
TREE_STR_COUNT
} TreeStr;
typedef struct CPUData_ {
unsigned long long int totalTime;
unsigned long long int userTime;
unsigned long long int systemTime;
unsigned long long int systemAllTime;
unsigned long long int idleAllTime;
unsigned long long int idleTime;
unsigned long long int niceTime;
unsigned long long int ioWaitTime;
unsigned long long int irqTime;
unsigned long long int softIrqTime;
unsigned long long int stealTime;
unsigned long long int guestTime;
unsigned long long int totalPeriod;
unsigned long long int userPeriod;
unsigned long long int systemPeriod;
unsigned long long int systemAllPeriod;
unsigned long long int idleAllPeriod;
unsigned long long int idlePeriod;
unsigned long long int nicePeriod;
unsigned long long int ioWaitPeriod;
unsigned long long int irqPeriod;
unsigned long long int softIrqPeriod;
unsigned long long int stealPeriod;
unsigned long long int guestPeriod;
} CPUData;
typedef struct ProcessList_ {
Vector* processes;
Vector* processes2;
Hashtable* processTable;
UsersTable* usersTable;
Panel* panel;
int following;
bool userOnly;
uid_t userId;
const char* incFilter;
Hashtable* pidWhiteList;
int cpuCount;
int totalTasks;
int userlandThreads;
int kernelThreads;
int runningTasks;
#ifdef HAVE_LIBHWLOC
hwloc_topology_t topology;
bool topologyOk;
#endif
CPUData* cpus;
unsigned long long int totalMem;
unsigned long long int usedMem;
unsigned long long int freeMem;
unsigned long long int sharedMem;
unsigned long long int buffersMem;
unsigned long long int cachedMem;
unsigned long long int totalSwap;
unsigned long long int usedSwap;
unsigned long long int freeSwap;
int flags;
ProcessField* fields;
ProcessField sortKey;
int direction;
bool hideThreads;
bool shadowOtherUsers;
bool showThreadNames;
bool showingThreadNames;
bool hideKernelThreads;
bool hideUserlandThreads;
bool treeView;
bool highlightBaseName;
bool highlightMegabytes;
bool highlightThreads;
bool detailedCPUTime;
bool countCPUsFromZero;
bool updateProcessNames;
const char **treeStr;
} ProcessList;
}*/
static ProcessField defaultHeaders[] = { PID, USER, PRIORITY, NICE, M_SIZE, M_RESIDENT, M_SHARE, STATE, PERCENT_CPU, PERCENT_MEM, TIME, COMM, 0 };
const char *ProcessList_treeStrAscii[TREE_STR_COUNT] = {
"-", // TREE_STR_HORZ
"|", // TREE_STR_VERT
"`", // TREE_STR_RTEE
"`", // TREE_STR_BEND
",", // TREE_STR_TEND
"+", // TREE_STR_OPEN
"-", // TREE_STR_SHUT
};
const char *ProcessList_treeStrUtf8[TREE_STR_COUNT] = {
"\xe2\x94\x80", // TREE_STR_HORZ ─
"\xe2\x94\x82", // TREE_STR_VERT │
"\xe2\x94\x9c", // TREE_STR_RTEE ├
"\xe2\x94\x94", // TREE_STR_BEND └
"\xe2\x94\x8c", // TREE_STR_TEND ┌
"+", // TREE_STR_OPEN +
"\xe2\x94\x80", // TREE_STR_SHUT ─
};
static ssize_t xread(int fd, void *buf, size_t count) {
// Read some bytes. Retry on EINTR and when we don't get as many bytes as we requested.
size_t alreadyRead = 0;
start:;
ssize_t res = read(fd, buf, count);
if (res == -1 && errno == EINTR) goto start;
if (res > 0) {
buf = ((char*)buf)+res;
count -= res;
alreadyRead += res;
}
if (res == -1) return -1;
if (count == 0 || res == 0) return alreadyRead;
goto start;
}
ProcessList* ProcessList_new(UsersTable* usersTable, Hashtable* pidWhiteList) {
ProcessList* this;
this = calloc(sizeof(ProcessList), 1);
this->processes = Vector_new(Class(Process), true, DEFAULT_SIZE);
this->processTable = Hashtable_new(140, false);
this->usersTable = usersTable;
this->pidWhiteList = pidWhiteList;
/* tree-view auxiliary buffers */
this->processes2 = Vector_new(Class(Process), true, DEFAULT_SIZE);
FILE* file = fopen(PROCSTATFILE, "r");
if (file == NULL) {
CRT_fatalError("Cannot open " PROCSTATFILE);
}
char buffer[256];
int cpus = -1;
do {
cpus++;
fgets(buffer, 255, file);
} while (