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/* ps.cc
Copyright 1996, 1997, 1998 Cygnus Solutions.
This file is part of Cygwin.
This software is a copyrighted work licensed under the terms of the
Cygwin license. Please consult the file "CYGWIN_LICENSE" for
details. */
#include <stdio.h>
#include <windows.h>
#include <time.h>
#include <getopt.h>
#include <unistd.h>
#include <stdlib.h>
#include <pwd.h>
#include <sys/cygwin.h>
static char *
start_time (external_pinfo *child)
{
time_t st = child->start_time;
time_t t = time (NULL);
static char stime[40] = {'\0'};
char now[40];
strncpy (stime, ctime (&st) + 4, 15);
strcpy (now, ctime (&t) + 4);
if ((t - st) < (24 * 3600))
return (stime + 7);
stime[6] = '\0';
return stime;
}
int
main (int argc, char *argv[])
{
external_pinfo *p;
int aflag, lflag, fflag, uid;
const char *dtitle = " PID TTY STIME COMMAND\n";
const char *dfmt = "%5d%4d%10s %s\n";
const char *ftitle = " UID PID PPID TTY STIME COMMAND\n";
const char *ffmt = "%8.8s%6d%6d%4d%10s %s\n";
const char *ltitle = " PID PPID PGID WINPID UID TTY STIME COMMAND\n";
const char *lfmt = "%c %5d %5d %5d %8u %4d %3d %8s %s\n";
char ch;
aflag = lflag = fflag = 0;
uid = getuid ();
while ((ch = getopt (argc, argv, "aelfu:")) != -1)
switch (ch)
{
case 'a':
case 'e':
aflag = 1;
break;
case 'f':
fflag = 1;
break;
case 'l':
lflag = 1;
break;
case 'u':
uid = atoi (optarg);
if (uid == 0)
{
struct passwd *pw;
if ((pw = getpwnam (optarg)))
uid = pw->pw_uid;
else
{
fprintf (stderr, "user %s unknown\n", optarg);
exit (1);
}
}
break;
default:
fprintf (stderr, "Usage %s [-aefl] [-u uid]\n", argv[0]);
fprintf (stderr, "-f = show process uids, ppids\n");
fprintf (stderr, "-l = show process uids, ppids, pgids, winpids\n");
fprintf (stderr, "-u uid = list processes owned by uid\n");
fprintf (stderr, "-a, -e = show processes of all users\n");
exit (1);
}
if (lflag)
printf (ltitle);
else if (fflag)
printf (ftitle);
else
printf (dtitle);
(void) cygwin_internal (CW_LOCK_PINFO, 1000);
for (int pid = 0;
(p = (external_pinfo *) cygwin_internal (CW_GETPINFO,
pid | CW_NEXTPID));
pid = p->pid)
{
if (p->process_state == PID_NOT_IN_USE)
continue;
if (!aflag && p->uid != uid)
continue;
char status = ' ';
if (p->process_state & PID_STOPPED)
status = 'S';
else if (p->process_state & PID_TTYIN)
status = 'I';
else if (p->process_state & PID_TTYOU)
status = 'O';
char pname[MAX_PATH];
if (p->process_state & PID_ZOMBIE)
strcpy (pname, "<defunct>");
else
cygwin_conv_to_posix_path (p->progname, pname);
char uname[128];
if (fflag)
{
struct passwd *pw;
if ((pw = getpwuid (p->uid)))
strcpy (uname, pw->pw_name);
else
sprintf (uname, "%d", p->uid);
}
if (lflag)
printf (lfmt, status, p->pid, p->ppid, p->pgid,
p->dwProcessId, p->uid, p->ctty, start_time (p), pname);
else if (fflag)
printf (ffmt, uname, p->pid, p->ppid, p->ctty, start_time (p), pname);
else
printf (dfmt, p->pid, p->ctty, start_time (p), pname);
}
(void) cygwin_internal (CW_UNLOCK_PINFO);
return 0;
}
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