manual/examples/execinfo.c

   1 #include <execinfo.h>
   2 #include <stdio.h>
   3 #include <stdlib.h>
   4
   5 /* Obtain a backtrace and print it to @code{stdout}. */
   6 void
   7 print_trace (void)
   8 {
   9   void *array[10];
  10   size_t size;
  11   char **strings;
  12   size_t i;
  13
  14   size = backtrace (array, 10);
  15   strings = backtrace_symbols (array, size);
  16
  17   printf ("Obtained %zd stack frames.\n", size);
  18
  19   for (i = 0; i < size; i++)
  20      printf ("%s\n", strings[i]);
  21
  22   free (strings);
  23 }
  24
  25 /* A dummy function to make the backtrace more interesting. */
  26 void
  27 dummy_function (void)
  28 {
  29   print_trace ();
  30 }
  31
  32 int
  33 main (void)
  34 {
  35   dummy_function ();
  36   return 0;
  37 }