ldrestart.cpp

   1 /* Cydia - iPhone UIKit Front-End for Debian APT
   2  * Copyright (C) 2008-2015  Jay Freeman (saurik)
   3 */
   4
   5 /* GNU General Public License, Version 3 {{{ */
   6 /*
   7  * Cydia is free software: you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published
   9  * by the Free Software Foundation, either version 3 of the License,
  10  * or (at your option) any later version.
  11  *
  12  * Cydia is distributed in the hope that it will be useful, but
  13  * WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with Cydia.  If not, see <http://www.gnu.org/licenses/>.
  19 **/
  20 /* }}} */
  21
  22 #include <cstdio>
  23 #include <cstdlib>
  24
  25 #include <errno.h>
  26 #include <signal.h>
  27 #include <sysexits.h>
  28 #include <unistd.h>
  29
  30 #include <launch.h>
  31
  32 #include <sys/stat.h>
  33
  34 void process(launch_data_t value, const char *name, void *baton) {
  35     if (launch_data_get_type(value) != LAUNCH_DATA_DICTIONARY)
  36         return;
  37
  38     auto integer(launch_data_dict_lookup(value, LAUNCH_JOBKEY_PID));
  39     if (integer == NULL || launch_data_get_type(integer) != LAUNCH_DATA_INTEGER)
  40         return;
  41
  42     auto pid(launch_data_get_integer(integer));
  43     if (kill(pid, 0) == -1)
  44         return;
  45
  46     auto string(launch_data_dict_lookup(value, LAUNCH_JOBKEY_LABEL));
  47     if (string == NULL || launch_data_get_type(string) != LAUNCH_DATA_STRING)
  48         return;
  49     auto label(launch_data_get_string(string));
  50
  51     auto stop(launch_data_alloc(LAUNCH_DATA_DICTIONARY));
  52     launch_data_dict_insert(stop, string, LAUNCH_KEY_STOPJOB);
  53
  54     auto result(launch_msg(stop));
  55     launch_data_free(stop);
  56     if (result == NULL)
  57         return;
  58
  59     if (launch_data_get_type(result) != LAUNCH_DATA_ERRNO)
  60         fprintf(stderr, "%s\n", label);
  61     else if (auto number = launch_data_get_errno(result))
  62         fprintf(stderr, "%s: %s\n", label, strerror(number));
  63
  64     launch_data_free(result);
  65 }
  66
  67 int main(int argc, char *argv[]) {
  68     auto request(launch_data_new_string(LAUNCH_KEY_GETJOBS));
  69     auto response(launch_msg(request));
  70     launch_data_free(request);
  71
  72     if (response == NULL)
  73         return EX_UNAVAILABLE;
  74     if (launch_data_get_type(response) != LAUNCH_DATA_DICTIONARY)
  75         return EX_SOFTWARE;
  76
  77     launch_data_dict_iterate(response, &process, NULL);
  78     return EX_OK;
  79 }