dlfcn/bug-atexit2.c

   1 /* Derived from a test case in
   2    https://sourceware.org/bugzilla/show_bug.cgi?id=1158.  */
   3 #include <dlfcn.h>
   4 #include <stdlib.h>
   5 #include <stdio.h>
   6 #include <unistd.h>
   7
   8 static int next = 3;
   9
  10 static void
  11 f1 (void)
  12 {
  13   puts ("f1");
  14   if (next-- != 1)
  15     _exit (1);
  16 }
  17
  18 static void
  19 f2 (void)
  20 {
  21   puts ("f2");
  22   if (next-- != 2)
  23     _exit (1);
  24 }
  25
  26 static void
  27 f3 (void)
  28 {
  29   puts ("f3");
  30   if (next-- != 3)
  31     _exit (1);
  32 }
  33
  34 static int
  35 do_test (void)
  36 {
  37   atexit (f1);
  38
  39   void *dso = dlopen ("$ORIGIN/bug-atexit2-lib.so", RTLD_NOW);
  40   void (*fn) (void) = (void (*) (void)) dlsym (dso, "foo");
  41   fn ();
  42
  43   atexit (f2);
  44
  45   dlclose (dso);
  46
  47   atexit (f3);
  48
  49   return 0;
  50 }
  51
  52 #define TEST_FUNCTION do_test ()
  53 #include "../test-skeleton.c"