static void pelogalm(
int sig) /* I */
{
DIR *pProcDir = NULL;
struct dirent *pProc;
proc_stat_t *pProcStat;
/* child is global */
errno = 0;
if(childSessionID > 0)
{
if((pProcDir = opendir("/proc")) == NULL)
{
childSessionID = -1;
}
}
if(childSessionID > 0)
{
rewinddir(pProcDir);
while((pProc = readdir(pProcDir)) != NULL)
{
if(!isdigit(pProc->d_name[0]))
continue;
int procID = atoi(pProc->d_name);
if((pProcStat = get_proc_stat(procID)) == NULL)
continue;
if((childSessionID == pProcStat->session)&&(pProcStat->state != 'Z')&&(pProcStat->pid != 0))
{
kill(procID,SIGKILL);
}
}
closedir(pProcDir);
}
if (childSessionID <= 0)
{
kill(child,SIGKILL);
}
run_exit = -4;
return;
} /* END pelogalm() */
void OS_get_table()
{
/* dir walker storage */
DIR *dir;
struct dirent *dir_ent, *dir_result;
/* all our storage is going to be here */
struct obstack mem_pool;
/* container for scaped process values */
struct procstat *prs;
/* string containing our local copy of format_str, elements will be
* lower cased if we are able to figure them out */
char *format_str;
/* initlize a small memory pool for this function */
obstack_init(&mem_pool);
/* put the dirent on the obstack, since it's rather large */
dir_ent = obstack_alloc(&mem_pool, sizeof(struct dirent));
if ((dir = opendir("/proc")) == NULL)
return;
/* Iterate through all the process entries (numeric) under /proc */
while(readdir_r(dir, dir_ent, &dir_result) == 0 && dir_result) {
/* Only look at this file if it's a proc id; that is, all numbers */
if(!is_pid(dir_result->d_name))
continue;
/* allocate container for storing process values */
prs = obstack_alloc(&mem_pool, sizeof(struct procstat));
bzero(prs, sizeof(struct procstat));
/* intilize the format string */
obstack_printf(&mem_pool, get_string(STR_DEFAULT_FORMAT));
obstack_1grow(&mem_pool, '\0');
format_str = (char *) obstack_finish(&mem_pool);
/* get process' uid/guid */
get_user_info(dir_result->d_name, format_str, prs, &mem_pool);
/* scrape /proc/${pid}/stat */
if (get_proc_stat(dir_result->d_name, format_str, prs, &mem_pool) == false) {
/* did the pid directory go away mid flight? */
if (pid_exists(dir_result->d_name, &mem_pool) == false)
continue;
}
/* correct values (times) found in /proc/${pid}/stat */
fixup_stat_values(format_str, prs);
/* get process' cmndline */
get_proc_cmndline(dir_result->d_name, format_str, prs, &mem_pool);
/* get process' cwd & exec values from the symblink */
eval_link(dir_result->d_name, "cwd", F_CWD, &prs->cwd, format_str,
&mem_pool);
eval_link(dir_result->d_name, "exe", F_EXEC, &prs->exec, format_str,
&mem_pool);
/* scapre from /proc/{$pid}/status */
get_proc_status(dir_result->d_name, format_str, prs, &mem_pool);
/* calculate precent cpu & mem values */
calc_prec(format_str, prs, &mem_pool);
/* Go ahead and bless into a perl object */
bless_into_proc(format_str, field_names,
prs->uid,
prs->gid,
prs->pid,
prs->comm,
prs->ppid,
prs->pgrp,
prs->sid,
prs->tty,
prs->flags,
prs->minflt,
prs->cminflt,
prs->majflt,
prs->cmajflt,
prs->utime,
prs->stime,
prs->cutime,
prs->cstime,
prs->priority,
prs->start_time,
prs->vsize,
prs->rss,
prs->wchan,
prs->time,
prs->ctime,
prs->state,
prs->euid,
prs->suid,
prs->fuid,
prs->egid,
prs->sgid,
prs->fgid,
prs->pctcpu,
prs->pctmem,
prs->cmndline,
prs->exec,
prs->cwd
);
/* we want a new prs, for the next itteration */
obstack_free(&mem_pool, prs);
}
closedir(dir);
/* free all our tempoary memory */
obstack_free(&mem_pool, NULL);
}
int get_current_proc_stat (proc_stat_t * p_stat)
{ return get_proc_stat (p_stat, getpid()); }
