/* Handy macro to use when referring to sentinel_cleanup. */
#define SENTINEL_CLEANUP ((struct cleanup *) &sentinel_cleanup)
-/* Chain of cleanup actions established with make_cleanup,
- to be executed if an error happens. */
-static struct cleanup *cleanup_chain = SENTINEL_CLEANUP;
-
/* Chain of cleanup actions established with make_final_cleanup,
to be executed when gdb exits. */
static struct cleanup *final_cleanup_chain = SENTINEL_CLEANUP;
return make_my_cleanup2 (pmy_chain, function, arg, NULL);
}
-/* Add a new cleanup to the cleanup_chain,
+/* Add a new cleanup to the final cleanup_chain,
and return the previous chain pointer
to be passed later to do_cleanups or discard_cleanups.
Args are FUNCTION to clean up with, and ARG to pass to it. */
-struct cleanup *
-make_cleanup (make_cleanup_ftype *function, void *arg)
-{
- return make_my_cleanup (&cleanup_chain, function, arg);
-}
-
-/* Same as make_cleanup except also includes DTOR, a destructor to free ARG.
- DTOR is invoked when the cleanup is performed or when it is discarded. */
-
-struct cleanup *
-make_cleanup_dtor (make_cleanup_ftype *function, void *arg,
- make_cleanup_dtor_ftype *dtor)
-{
- return make_my_cleanup2 (&cleanup_chain,
- function, arg, dtor);
-}
-
-/* Same as make_cleanup except the cleanup is added to final_cleanup_chain. */
-
struct cleanup *
make_final_cleanup (make_cleanup_ftype *function, void *arg)
{
}
}
-/* Return a value that can be passed to do_cleanups, do_final_cleanups to
- indicate perform all cleanups. */
-
-struct cleanup *
-all_cleanups (void)
-{
- return SENTINEL_CLEANUP;
-}
-
-/* Discard cleanups and do the actions they describe
- until we get back to the point OLD_CHAIN in the cleanup_chain. */
-
-void
-do_cleanups (struct cleanup *old_chain)
-{
- do_my_cleanups (&cleanup_chain, old_chain);
-}
-
-/* Discard cleanups and do the actions they describe
- until we get back to the point OLD_CHAIN in the final_cleanup_chain. */
-
-void
-do_final_cleanups (struct cleanup *old_chain)
-{
- do_my_cleanups (&final_cleanup_chain, old_chain);
-}
-
-/* Main worker routine to discard cleanups.
- PMY_CHAIN is a pointer to either cleanup_chain or final_cleanup_chain.
- OLD_CHAIN is the result of a "make" cleanup routine.
- Cleanups are discarded until we get back to the old end of the chain. */
-
-static void
-discard_my_cleanups (struct cleanup **pmy_chain,
- struct cleanup *old_chain)
-{
- struct cleanup *ptr;
-
- while ((ptr = *pmy_chain) != old_chain)
- {
- *pmy_chain = ptr->next;
- if (ptr->free_arg)
- (*ptr->free_arg) (ptr->arg);
- xfree (ptr);
- }
-}
-
-/* Discard cleanups, not doing the actions they describe,
- until we get back to the point OLD_CHAIN in the cleanup chain. */
-
-void
-discard_cleanups (struct cleanup *old_chain)
-{
- discard_my_cleanups (&cleanup_chain, old_chain);
-}
-
-/* Discard final cleanups, not doing the actions they describe,
- until we get back to the point OLD_CHAIN in the final cleanup chain. */
-
-void
-discard_final_cleanups (struct cleanup *old_chain)
-{
- discard_my_cleanups (&final_cleanup_chain, old_chain);
-}
-
-/* Main worker routine to save cleanups.
- PMY_CHAIN is a pointer to either cleanup_chain or final_cleanup_chain.
- The chain is emptied and the result is a pointer to the old chain. */
-
-static struct cleanup *
-save_my_cleanups (struct cleanup **pmy_chain)
-{
- struct cleanup *old_chain = *pmy_chain;
-
- *pmy_chain = SENTINEL_CLEANUP;
- return old_chain;
-}
-
-/* Set the cleanup_chain to 0, and return the old cleanup_chain. */
-
-struct cleanup *
-save_cleanups (void)
-{
- return save_my_cleanups (&cleanup_chain);
-}
-
-/* Set the final_cleanup_chain to 0, and return the old
- final_cleanup_chain. */
-
-struct cleanup *
-save_final_cleanups (void)
-{
- return save_my_cleanups (&final_cleanup_chain);
-}
-
-/* Main worker routine to save cleanups.
- PMY_CHAIN is a pointer to either cleanup_chain or final_cleanup_chain.
- The chain is restored from CHAIN. */
-
-static void
-restore_my_cleanups (struct cleanup **pmy_chain, struct cleanup *chain)
-{
- if (*pmy_chain != SENTINEL_CLEANUP)
- internal_warning (__FILE__, __LINE__,
- _("restore_my_cleanups has found a stale cleanup"));
-
- *pmy_chain = chain;
-}
-
-/* Restore the cleanup chain from a previously saved chain. */
-
-void
-restore_cleanups (struct cleanup *chain)
-{
- restore_my_cleanups (&cleanup_chain, chain);
-}
-
-/* Restore the final cleanup chain from a previously saved chain. */
-
-void
-restore_final_cleanups (struct cleanup *chain)
-{
- restore_my_cleanups (&final_cleanup_chain, chain);
-}
-
-/* Provide a known function that does nothing, to use as a base for
- a possibly long chain of cleanups. This is useful where we
- use the cleanup chain for handling normal cleanups as well as dealing
- with cleanups that need to be done as a result of a call to error().
- In such cases, we may not be certain where the first cleanup is, unless
- we have a do-nothing one to always use as the base. */
+/* Discard final cleanups and do the actions they describe. */
void
-null_cleanup (void *arg)
+do_final_cleanups ()
{
+ do_my_cleanups (&final_cleanup_chain, SENTINEL_CLEANUP);
}
projects / deliverable / binutils-gdb.git / blobdiff