backends/picosat/main.c

   1 <<<<<<< HEAD
   2 #include <signal.h>
   3 #include <stdlib.h>
   4 #include <string.h>
   5
   6 #include "picosat.h"
   7
   8 int picosat_main (int, char **);
   9
  10 static int catched;
  11
  12 static void (*sig_int_handler);
  13 static void (*sig_segv_handler);
  14 static void (*sig_abrt_handler);
  15 static void (*sig_term_handler);
  16 #ifndef NALLSIGNALS
  17 static void (*sig_kill_handler);
  18 static void (*sig_xcpu_handler);
  19 static void (*sig_xfsz_handler);
  20 #endif
  21
  22 static void
  23 resetsighandlers (void)
  24 {
  25   (void) signal (SIGINT, sig_int_handler);
  26   (void) signal (SIGSEGV, sig_segv_handler);
  27   (void) signal (SIGABRT, sig_abrt_handler);
  28   (void) signal (SIGTERM, sig_term_handler);
  29 #ifndef NALLSIGNALS
  30   (void) signal (SIGKILL, sig_kill_handler);
  31   (void) signal (SIGXCPU, sig_xcpu_handler);
  32   (void) signal (SIGXFSZ, sig_xfsz_handler);
  33 #endif
  34 }
  35
  36 static void
  37 message (int sig)
  38 {
  39   picosat_message (1, "");
  40   picosat_message (1, "*** CAUGHT SIGNAL %d ***", sig);
  41   picosat_message (1, "");
  42 }
  43
  44 static void
  45 catch (int sig)
  46 {
  47   if (!catched)
  48     {
  49       message (sig);
  50       catched = 1;
  51       picosat_stats ();
  52       message (sig);
  53     }
  54
  55   resetsighandlers ();
  56   raise (sig);
  57 }
  58
  59 static void
  60 setsighandlers (void)
  61 {
  62   sig_int_handler = signal (SIGINT, catch);
  63   sig_segv_handler = signal (SIGSEGV, catch);
  64   sig_abrt_handler = signal (SIGABRT, catch);
  65   sig_term_handler = signal (SIGTERM, catch);
  66 #ifndef NALLSIGNALS
  67   sig_kill_handler = signal (SIGKILL, catch);
  68   sig_xcpu_handler = signal (SIGXCPU, catch);
  69   sig_xfsz_handler = signal (SIGXFSZ, catch);
  70 #endif
  71 }
  72
  73 int
  74 main (int argc, char **argv)
  75 {
  76   int res, verbose;
  77
  78   for (verbose = argc - 1; verbose; verbose--)
  79     if (!strcmp (argv[verbose], "-v"))
  80       break;
  81
  82   if (verbose)
  83     setsighandlers ();
  84
  85   res = picosat_main (argc, argv);
  86
  87   if (verbose)
  88     resetsighandlers ();
  89
  90   return res;
  91 =======
  92 int picosat_main (int, char **);
  93
  94 int
  95 main (int argc, char **argv)
  96 {
  97   return picosat_main (argc, argv);
  98 >>>>>>> 7a0fcd7... Import PicoSAT-965
  99 }