lib/nit_main.c

   1 #include "nit_common.h"
   2 #include <signal.h>
   3 #include <stdarg.h>
   4
   5 void * alloc(size_t s0)
   6 {
   7         static char * alloc_pos = NULL;
   8         static size_t alloc_size = 0;
   9         void * res;
  10         size_t s = ((s0+3)/4)*4;
  11         if(alloc_size < s) {
  12                 alloc_size = s + 1024*1024;
  13                 alloc_pos = (char *)calloc(alloc_size, 1);
  14         }
  15         res = alloc_pos;
  16         alloc_size -= s;
  17         alloc_pos += s;
  18         return res;
  19 }
  20
  21 int glob_argc;
  22 char **glob_argv;
  23 val_t G_sys;
  24
  25 void exithandler(int s) {
  26         fprintf(stderr, "Recieved signal %d\n", s);
  27         nit_exit(1);
  28 }
  29 void prepare_signals(void) {
  30         signal(SIGINT,exithandler);
  31         signal(SIGABRT,exithandler);
  32         signal(SIGSEGV,exithandler);
  33         signal(SIGILL, exithandler);
  34         signal(SIGFPE, exithandler);
  35         signal(SIGTERM,exithandler);
  36 }
  37 struct trace_t *tracehead = NULL;
  38 void nit_exit(int i) {
  39         fprintf(stderr, ",---- Stack trace -- - -  -\n");
  40         while(tracehead != NULL) {
  41                 fprintf(stderr, "| %s\n",tracehead->text);
  42                 if (tracehead == tracehead->prev) break;
  43                 tracehead = tracehead->prev;
  44         }
  45         fprintf(stderr, "`------------------- - -  -\n");
  46         exit(i);
  47 }