boehm-gc/tests/trace_test.c

   1 #include <stdio.h>
   2 #include <stdlib.h>
   3
   4 #ifndef GC_DEBUG
   5 # define GC_DEBUG
   6 #endif
   7
   8 #include "gc.h"
   9 #include "gc_backptr.h"
  10
  11 struct treenode {
  12     struct treenode *x;
  13     struct treenode *y;
  14 } * root[10];
  15
  16 struct treenode * mktree(int i) {
  17   struct treenode * r = GC_MALLOC(sizeof(struct treenode));
  18   if (0 == i) return 0;
  19   if (1 == i) r = GC_MALLOC_ATOMIC(sizeof(struct treenode));
  20   if (r == NULL) {
  21     fprintf(stderr, "Out of memory\n");
  22     exit(1);
  23   }
  24   r -> x = mktree(i-1);
  25   r -> y = mktree(i-1);
  26   return r;
  27 }
  28
  29 int main(void)
  30 {
  31   int i;
  32   GC_INIT();
  33   for (i = 0; i < 10; ++i) {
  34     root[i] = mktree(12);
  35   }
  36   GC_generate_random_backtrace();
  37   GC_generate_random_backtrace();
  38   GC_generate_random_backtrace();
  39   GC_generate_random_backtrace();
  40   return 0;
  41 }