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* ps.cc (prog_name): New global variable. 

(longopts): Ditto.
(opts): Ditto.
(usage): New function.
(print_version): New function.
(main): Accomodate longopts and new --help, --version options.
This commit is contained in:
Christopher Faylor 2002-05-28 03:38:36 +00:00
parent 0c12979b72
commit ad39fa8cb0
2 changed files with 86 additions and 11 deletions
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9
winsup/utils/ChangeLog
View File

@ -1,3 +1,12 @@
2002-05-27 Joshua Daniel Franklin <joshuadfranklin@yahoo.com>
* ps.cc (prog_name): New global variable.
(longopts): Ditto.
(opts): Ditto.
(usage): New function.
(print_version): New function.
(main): Accomodate longopts and new --help, --version options.
2002-05-26 Christopher Faylor <cgf@redhat.com>
* strace.cc (attach_process): Don't tell process to start stracing

88
winsup/utils/ps.cc
View File

@ -1,6 +1,6 @@
/* ps.cc
Copyright 1996, 1997, 1998, 1999, 2000, 2001 Red Hat, Inc.
Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
This file is part of Cygwin.
@ -19,6 +19,25 @@ details. */
#include <tlhelp32.h>
#include <psapi.h>
static const char version[] = "$Revision$";
static char *prog_name;
static struct option longopts[] =
{
{"all", no_argument, NULL, 'a' },
{"everyone", no_argument, NULL, 'e' },
{"full", no_argument, NULL, 'f' },
{"help", no_argument, NULL, 'h' },
{"long", no_argument, NULL, 'l' },
{"summary", no_argument, NULL, 's' },
{"user", required_argument, NULL, 'u'},
{"version", no_argument, NULL, 'v'},
{"windows", no_argument, NULL, 'W'},
{NULL, 0, NULL, 0}
};
static char opts[] = "aefhlsu:vW";
typedef BOOL (WINAPI *ENUMPROCESSMODULES)(
HANDLE hProcess, // handle to the process
HMODULE * lphModule, // array to receive the module handles
@ -177,6 +196,46 @@ ttynam (int ntty)
return buf;
}
static void
usage (FILE * stream, int status)
{
fprintf (stream, "\
Usage: %s [-aefls] [-u UID]\n\
-a, --all show processes of all users\n\
-e, --everyone show processes of all users\n\
-f, --full show process uids, ppids\n\
-h, --help output usage information and exit\n\
-l, --long show process uids, ppids, pgids, winpids\n\
-s, --summary show process summary\n\
-u, --user list processes owned by UID\n\
-v, --version output version information and exit\n\
-W, --windows show windows as well as cygwin processes\n\
With options, %s outputs the long format by default\n", prog_name, prog_name);
exit (status);
}
static void
print_version ()
{
const char *v = strchr (version, ':');
int len;
if (!v)
{
v = "?";
len = 1;
}
else
{
v += 2;
len = strchr (v, ' ') - v;
}
printf ("\
%s (cygwin) %.*s\n\
Process Statistics\n\
Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.\n\
Compiled on %s", prog_name, len, v, __DATE__);
}
int
main (int argc, char *argv[])
{
@ -195,7 +254,15 @@ main (int argc, char *argv[])
uid = getuid ();
lflag = 1;
while ((ch = getopt (argc, argv, "aelfsu:W")) != -1)
prog_name = strrchr (argv[0], '/');
if (prog_name == NULL)
prog_name = strrchr (argv[0], '\\');
if (prog_name == NULL)
prog_name = argv[0];
else
prog_name++;
while ((ch = getopt_long (argc, argv, opts, longopts, NULL)) != EOF)
switch (ch)
{
case 'a':
@ -205,6 +272,8 @@ main (int argc, char *argv[])
case 'f':
fflag = 1;
break;
case 'h':
usage (stdout, 0);
case 'l':
lflag = 1;
break;
@ -221,25 +290,22 @@ main (int argc, char *argv[])
uid = pw->pw_uid;
else
{
fprintf (stderr, "user %s unknown\n", optarg);
fprintf (stderr, "%s: user %s unknown\n", prog_name, optarg);
exit (1);
}
}
break;
case 'v':
print_version ();
exit (0);
break;
case 'W':
query = CW_GETPINFO_FULL;
aflag = 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");
fprintf (stderr, "-s = show process summary\n");
fprintf (stderr, "-W = show windows as well as cygwin processes\n");
exit (1);
usage (stderr, 1);
}
if (sflag)