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#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include "config2.h"
#include "common.h"
#include "sctcore.h"
#include <stdio.h>
#include <string.h>
#include <pthread.h>
#include <semaphore.h>
void* sctjudge_displaytime(void* arg){
struct timespec timeinit, timecur, timepast;
struct timespec timesleep;
struct timespec timeexpire;
timesleep.tv_sec = 0;
timesleep.tv_nsec = (*(long*)arg);
#ifdef HAVE_CONF_PROCMON
int i;
pid_t pidcopy;
const char* sysstatfile = PROC_PATH"/stat";
char statfile[25], statusfile[25];
FILE *statp, *statusp, *sysstatp;
int strlencount, cpuinfostore;
char firstrun = 1, hdrstore[10];
unsigned long cpuuser, cpusystem, precpuuser, precpusystem;
unsigned long syscpuall, presyscpuall, diffsyscpuall;
unsigned short res_cpuuser, res_cpusystem;
unsigned long vmsize;
#endif
pthread_mutex_lock(&tdisplay_mx);
tdisplay_yes = 1;
pthread_mutex_unlock(&tdisplay_mx);
sem_wait(&dispthr);
#ifndef HAVE_CONF_CAP
enable_setuid();
#endif
clock_gettime(CLOCK_REALTIME, &timeinit);
#ifdef HAVE_CONF_PROCMON
pthread_mutex_lock(&pidmutex);
pidcopy = pidchild;
pthread_mutex_unlock(&pidmutex);
#endif
#ifdef HAVE_CONF_PROCMON
sprintf(statfile, PROC_PATH"/%d/stat", pidcopy);
sprintf(statusfile, PROC_PATH"/%d/status", pidcopy);
#endif
do{
clock_gettime(CLOCK_REALTIME, &timecur);
difftimespec(&timeinit, &timecur, &timepast);
printf("\r%4ld.%03ld 秒", timepast.tv_sec,
timepast.tv_nsec / 1000000);
#ifdef HAVE_CONF_PROCMON
statp = fopen(statfile, "r");
statusp = fopen(statusfile, "r");
sysstatp = fopen(sysstatfile, "r");
if(statp != NULL && statusp != NULL && sysstatp != NULL){
strlencount = 0;
while(getc(statusp) != '\n'){
strlencount++;
}
strlencount -= 8; /* 把前面的「Name: 」這 8 個字去掉 */
/* 接下來從 /proc/[PID]/stat 取得 CPU 時間 */
fscanf(statp, "%*d"); /* 讀掉 PID */
while(getc(statp) != '('); /* 讀掉 command name 的左括弧 */
for(i=1; i<= strlencount; i++){ /* 讀掉整個 command name */
getc(statp);
}
while(getc(statp) != ')'); /* 讀掉 command name 的右括弧 */
fscanf(statp, "%*s %*d %*d %*d %*d %*d %*u %*u %*u %*u %*u"
"%lu %lu %*d %*d %*d %*d %*d %*d %*u %lu",
&cpuuser, &cpusystem, &vmsize);
syscpuall = 0;
while(!feof(sysstatp)){
fscanf(sysstatp, "%9s", hdrstore);
if(!strcmp(hdrstore, "cpu")){
while(fscanf(sysstatp, "%d", &cpuinfostore) == 1){
syscpuall += cpuinfostore;
}
break;
}else{
while(getchar() != '\n');
}
}
if(!firstrun){
diffsyscpuall = syscpuall - presyscpuall;
if(diffsyscpuall){
res_cpuuser = 1000 * (cpuuser - precpuuser) /
diffsyscpuall;
res_cpusystem = 1000 * (cpusystem - precpusystem) /
diffsyscpuall;
printf(" user%%: %2hd.%hd sys%%: %2hd.%hd",
res_cpuuser / 10, res_cpuuser % 10,
res_cpusystem / 10, res_cpusystem % 10);
}else{
fputs(" user%: ? sys%: ? ", stdout);
}
}else{
fputs(" user%: ? sys%: ? ", stdout);
}
precpuuser = cpuuser;
precpusystem = cpusystem;
presyscpuall = syscpuall;
printf(" VM: %lu KiB", vmsize / 1024);
fputs(" ", stdout);
}
if(statp != NULL){
fclose(statp);
}
if(statusp != NULL){
fclose(statusp);
}
if(sysstatp != NULL){
fclose(sysstatp);
}
firstrun = 0;
#endif
fflush(stdout);
clock_gettime(CLOCK_REALTIME, &timecur);
timeexpire.tv_sec = timecur.tv_sec + timesleep.tv_sec;
timeexpire.tv_nsec = timecur.tv_nsec + timesleep.tv_nsec;
checktimespec(&timeexpire);
}while(sem_timedwait(&dispthr, &timeexpire));
pthread_mutex_lock(&tdisplay_mx);
tdisplay_yes = 0;
pthread_mutex_unlock(&tdisplay_mx);
return NULL;
}
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