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static void parse_opts (int argc, char **argv)
{
char opts[32] = "";
int opt;
int criteria_count = 0;
enum {
SIGNAL_OPTION = CHAR_MAX + 1,
NS_OPTION,
NSLIST_OPTION,
};
static const struct option longopts[] = {
{"signal", required_argument, NULL, SIGNAL_OPTION},
{"count", no_argument, NULL, 'c'},
{"delimiter", required_argument, NULL, 'd'},
{"list-name", no_argument, NULL, 'l'},
{"list-full", no_argument, NULL, 'a'},
{"full", no_argument, NULL, 'f'},
{"pgroup", required_argument, NULL, 'g'},
{"group", required_argument, NULL, 'G'},
{"newest", no_argument, NULL, 'n'},
{"oldest", no_argument, NULL, 'o'},
{"parent", required_argument, NULL, 'P'},
{"session", required_argument, NULL, 's'},
{"terminal", required_argument, NULL, 't'},
{"euid", required_argument, NULL, 'u'},
{"uid", required_argument, NULL, 'U'},
{"inverse", no_argument, NULL, 'v'},
{"lightweight", no_argument, NULL, 'w'},
{"exact", no_argument, NULL, 'x'},
{"pidfile", required_argument, NULL, 'F'},
{"logpidfile", no_argument, NULL, 'L'},
{"echo", no_argument, NULL, 'e'},
{"ns", required_argument, NULL, NS_OPTION},
{"nslist", required_argument, NULL, NSLIST_OPTION},
{"help", no_argument, NULL, 'h'},
{"version", no_argument, NULL, 'V'},
{NULL, 0, NULL, 0}
};
if (strstr (program_invocation_short_name, "pkill")) {
int sig;
i_am_pkill = 1;
sig = signal_option(&argc, argv);
if (-1 < sig)
opt_signal = sig;
/* These options are for pkill only */
strcat (opts, "e");
} else {
/* These options are for pgrep only */
strcat (opts, "lad:vw");
}
strcat (opts, "LF:cfnoxP:g:s:u:U:G:t:?Vh");
while ((opt = getopt_long (argc, argv, opts, longopts, NULL)) != -1) {
switch (opt) {
case SIGNAL_OPTION:
opt_signal = signal_name_to_number (optarg);
if (opt_signal == -1 && isdigit (optarg[0]))
opt_signal = atoi (optarg);
break;
case 'e':
opt_echo = 1;
break;
/* case 'D': / * FreeBSD: print info about non-matches for debugging * /
* break; */
case 'F': /* FreeBSD: the arg is a file containing a PID to match */
opt_pidfile = xstrdup (optarg);
++criteria_count;
break;
case 'G': /* Solaris: match rgid/rgroup */
opt_rgid = split_list (optarg, conv_gid);
if (opt_rgid == NULL)
usage ('?');
++criteria_count;
break;
/* case 'I': / * FreeBSD: require confirmation before killing * /
* break; */
/* case 'J': / * Solaris: match by project ID (name or number) * /
* break; */
case 'L': /* FreeBSD: fail if pidfile (see -F) not locked */
opt_lock++;
break;
/* case 'M': / * FreeBSD: specify core (OS crash dump) file * /
* break; */
/* case 'N': / * FreeBSD: specify alternate namelist file (for us, System.map -- but we don't need it) * /
* break; */
case 'P': /* Solaris: match by PPID */
opt_ppid = split_list (optarg, conv_num);
if (opt_ppid == NULL)
usage ('?');
++criteria_count;
break;
/* case 'S': / * FreeBSD: don't ignore the built-in kernel tasks * /
* break; */
/* case 'T': / * Solaris: match by "task ID" (probably not a Linux task) * /
* break; */
case 'U': /* Solaris: match by ruid/rgroup */
opt_ruid = split_list (optarg, conv_uid);
if (opt_ruid == NULL)
usage ('?');
++criteria_count;
break;
case 'V':
printf(PROCPS_NG_VERSION);
exit(EXIT_SUCCESS);
/* case 'c': / * Solaris: match by contract ID * /
* break; */
case 'c':
opt_count = 1;
break;
case 'd': /* Solaris: change the delimiter */
opt_delim = xstrdup (optarg);
break;
case 'f': /* Solaris: match full process name (as in "ps -f") */
opt_full = 1;
break;
case 'g': /* Solaris: match pgrp */
opt_pgrp = split_list (optarg, conv_pgrp);
if (opt_pgrp == NULL)
usage ('?');
++criteria_count;
break;
/* case 'i': / * FreeBSD: ignore case. OpenBSD: withdrawn. See -I. This sucks. * /
* if (opt_case)
* usage (opt);
* opt_case = REG_ICASE;
* break; */
/* case 'j': / * FreeBSD: restricted to the given jail ID * /
* break; */
case 'l': /* Solaris: long output format (pgrep only) Should require -f for beyond argv[0] maybe? */
opt_long = 1;
break;
case 'a':
opt_longlong = 1;
break;
case 'n': /* Solaris: match only the newest */
if (opt_oldest|opt_negate|opt_newest)
usage ('?');
opt_newest = 1;
++criteria_count;
break;
case 'o': /* Solaris: match only the oldest */
if (opt_oldest|opt_negate|opt_newest)
usage ('?');
opt_oldest = 1;
++criteria_count;
break;
case 's': /* Solaris: match by session ID -- zero means self */
opt_sid = split_list (optarg, conv_sid);
if (opt_sid == NULL)
usage ('?');
++criteria_count;
break;
case 't': /* Solaris: match by tty */
opt_term = split_list (optarg, conv_str);
if (opt_term == NULL)
usage ('?');
++criteria_count;
break;
case 'u': /* Solaris: match by euid/egroup */
opt_euid = split_list (optarg, conv_uid);
if (opt_euid == NULL)
usage ('?');
++criteria_count;
break;
case 'v': /* Solaris: as in grep, invert the matching (uh... applied after selection I think) */
if (opt_oldest|opt_negate|opt_newest)
usage ('?');
opt_negate = 1;
break;
case 'w': // Linux: show threads (lightweight process) too
opt_threads = 1;
break;
/* OpenBSD -x, being broken, does a plain string */
case 'x': /* Solaris: use ^(regexp)$ in place of regexp (FreeBSD too) */
opt_exact = 1;
break;
/* case 'z': / * Solaris: match by zone ID * /
* break; */
case NS_OPTION:
opt_ns_pid = atoi(optarg);
if (opt_ns_pid == 0)
usage ('?');
++criteria_count;
break;
case NSLIST_OPTION:
opt_nslist = split_list (optarg, conv_ns);
if (opt_nslist == NULL)
usage ('?');
break;
case 'h':
case '?':
usage (opt);
break;
}
}
if(opt_lock && !opt_pidfile)
xerrx(EXIT_USAGE, _("-L without -F makes no sense\n"
"Try `%s --help' for more information."),
program_invocation_short_name);
if(opt_pidfile){
opt_pid = read_pidfile();
if(!opt_pid)
xerrx(EXIT_FAILURE, _("pidfile not valid\n"
"Try `%s --help' for more information."),
program_invocation_short_name);
}
if (argc - optind == 1)
opt_pattern = argv[optind];
else if (argc - optind > 1)
xerrx(EXIT_USAGE, _("only one pattern can be provided\n"
"Try `%s --help' for more information."),
program_invocation_short_name);
else if (criteria_count == 0)
xerrx(EXIT_USAGE, _("no matching criteria specified\n"
"Try `%s --help' for more information."),
program_invocation_short_name);
}
|