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glibc  2.9
Functions
cxa_finalize.c File Reference
#include <assert.h>
#include <stdlib.h>
#include <atomic.h>
#include "exit.h"
#include <fork.h>
#include <sysdep.h>

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Functions

void __cxa_finalize (void *d)

Function Documentation

void __cxa_finalize ( void *  d)

Definition at line 30 of file cxa_finalize.c.

{
  struct exit_function_list *funcs;

 restart:
  for (funcs = __exit_funcs; funcs; funcs = funcs->next)
    {
      struct exit_function *f;

      for (f = &funcs->fns[funcs->idx - 1]; f >= &funcs->fns[0]; --f)
       {
         void (*cxafn) (void *arg, int status);
         void *cxaarg;

         if ((d == NULL || d == f->func.cxa.dso_handle)
             /* We don't want to run this cleanup more than once.  */
             && (cxafn = f->func.cxa.fn,
                cxaarg = f->func.cxa.arg,
                ! catomic_compare_and_exchange_bool_acq (&f->flavor, ef_free,
                                                    ef_cxa)))
           {
             uint64_t check = __new_exitfn_called;

#ifdef PTR_DEMANGLE
             PTR_DEMANGLE (cxafn);
#endif
             cxafn (cxaarg, 0);

             /* It is possible that that last exit function registered
               more exit functions.  Start the loop over.  */
             if (__builtin_expect (check != __new_exitfn_called, 0))
              goto restart;
           }
       }
    }

  /* Remove the registered fork handlers.  We do not have to
     unregister anything if the program is going to terminate anyway.  */
#ifdef UNREGISTER_ATFORK
  if (d != NULL)
    UNREGISTER_ATFORK (d);
#endif
}

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