import winsup-2000-02-17 snapshot

1 files changed, 150 insertions, 0 deletions

diff --git a/winsup/utils/ps.cc b/winsup/utils/ps.cc
new file mode 100644
index 0000000..4767a6a
--- /dev/null
+++ b/winsup/utils/ps.cc
@@ -0,0 +1,150 @@
+/* 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 <time.h>
+#include <getopt.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <pwd.h>
+#include <sys/cygwin.h>
+#include "winsup.h"
+#include "external.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;
+}
+