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ruby--ruby/eval_jump.c
ko1 c39bdb798d $SAFE as a process global state. [Feature #14250]
* vm_core.h (rb_vm_t): move `rb_execution_context_t::safe_level` to
  `rb_vm_t::safe_level_` because `$SAFE` is a process (VM) global state.

* vm_core.h (rb_proc_t): remove `rb_proc_t::safe_level` because `Proc`
  objects don't need to keep `$SAFE` at the creation.
  Also make `is_from_method` and `is_lambda` as 1 bit fields.

* cont.c (cont_restore_thread): no need to keep `$SAFE` for Continuation.

* eval.c (ruby_cleanup): use `rb_set_safe_level_force()` instead of access
  `vm->safe_level_` directly.

* eval_jump.c: End procs `END{}` doesn't keep `$SAFE`.

* proc.c (proc_dup): removed and introduce `rb_proc_dup` in vm.c.

* safe.c (rb_set_safe_level): don't check `$SAFE` 1 -> 0 changes.

* safe.c (safe_setter): use `rb_set_safe_level()`.

* thread.c (rb_thread_safe_level): `Thread#safe_level` returns `$SAFE`.
  It should be obsolete.

* transcode.c (load_transcoder_entry): `rb_safe_level()` only returns
  0 or 1 so that this check is not needed.

* vm.c (vm_proc_create_from_captured): don't need to keep `$SAFE` for Proc.

* vm.c (rb_proc_create): renamed to `proc_create`.

* vm.c (rb_proc_dup): moved from proc.c.

* vm.c (vm_invoke_proc): do not need to set and restore `$SAFE`
  for `Proc#call`.

* vm_eval.c (rb_eval_cmd): rename a local variable to represent clearer
  meaning.

* lib/drb/drb.rb: restore `$SAFE`.

* lib/erb.rb: restore `$SAFE`, too.

* test/lib/leakchecker.rb: check `$SAFE == 0` at the end of tests.

* test/rubygems/test_gem.rb: do not set `$SAFE = 1`.

* bootstraptest/test_proc.rb: catch up this change.

* spec/ruby/optional/capi/string_spec.rb: ditto.

* test/bigdecimal/test_bigdecimal.rb: ditto.

* test/fiddle/test_func.rb: ditto.

* test/fiddle/test_handle.rb: ditto.

* test/net/imap/test_imap_response_parser.rb: ditto.

* test/pathname/test_pathname.rb: ditto.

* test/readline/test_readline.rb: ditto.

* test/ruby/test_file.rb: ditto.

* test/ruby/test_optimization.rb: ditto.

* test/ruby/test_proc.rb: ditto.

* test/ruby/test_require.rb: ditto.

* test/ruby/test_thread.rb: ditto.

* test/rubygems/test_gem_specification.rb: ditto.

* test/test_tempfile.rb: ditto.

* test/test_tmpdir.rb: ditto.

* test/win32ole/test_win32ole.rb: ditto.

* test/win32ole/test_win32ole_event.rb: ditto.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@61510 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2017-12-28 20:09:24 +00:00

139 lines
2.6 KiB
C

/* -*-c-*- */
/*
* from eval.c
*/
#include "eval_intern.h"
/* exit */
void
rb_call_end_proc(VALUE data)
{
rb_proc_call(data, rb_ary_new());
}
/*
* call-seq:
* at_exit { block } -> proc
*
* Converts _block_ to a +Proc+ object (and therefore
* binds it at the point of call) and registers it for execution when
* the program exits. If multiple handlers are registered, they are
* executed in reverse order of registration.
*
* def do_at_exit(str1)
* at_exit { print str1 }
* end
* at_exit { puts "cruel world" }
* do_at_exit("goodbye ")
* exit
*
* <em>produces:</em>
*
* goodbye cruel world
*/
static VALUE
rb_f_at_exit(void)
{
VALUE proc;
if (!rb_block_given_p()) {
rb_raise(rb_eArgError, "called without a block");
}
proc = rb_block_proc();
rb_set_end_proc(rb_call_end_proc, proc);
return proc;
}
struct end_proc_data {
void (*func) ();
VALUE data;
struct end_proc_data *next;
};
static struct end_proc_data *end_procs, *ephemeral_end_procs;
void
rb_set_end_proc(void (*func)(VALUE), VALUE data)
{
struct end_proc_data *link = ALLOC(struct end_proc_data);
struct end_proc_data **list;
rb_thread_t *th = GET_THREAD();
if (th->top_wrapper) {
list = &ephemeral_end_procs;
}
else {
list = &end_procs;
}
link->next = *list;
link->func = func;
link->data = data;
*list = link;
}
void
rb_mark_end_proc(void)
{
struct end_proc_data *link;
link = end_procs;
while (link) {
rb_gc_mark(link->data);
link = link->next;
}
link = ephemeral_end_procs;
while (link) {
rb_gc_mark(link->data);
link = link->next;
}
}
static void
exec_end_procs_chain(struct end_proc_data *volatile *procs, VALUE *errp)
{
struct end_proc_data volatile endproc;
struct end_proc_data *link;
VALUE errinfo = *errp;
while ((link = *procs) != 0) {
*procs = link->next;
endproc = *link;
xfree(link);
(*endproc.func) (endproc.data);
*errp = errinfo;
}
}
void
rb_exec_end_proc(void)
{
enum ruby_tag_type state;
rb_execution_context_t * volatile ec = GET_EC();
volatile VALUE errinfo = ec->errinfo;
EC_PUSH_TAG(ec);
if ((state = EC_EXEC_TAG()) == TAG_NONE) {
again:
exec_end_procs_chain(&ephemeral_end_procs, &ec->errinfo);
exec_end_procs_chain(&end_procs, &ec->errinfo);
}
else {
EC_TMPPOP_TAG();
error_handle(state);
if (!NIL_P(ec->errinfo)) errinfo = ec->errinfo;
EC_REPUSH_TAG();
goto again;
}
EC_POP_TAG();
ec->errinfo = errinfo;
}
void
Init_jump(void)
{
rb_define_global_function("at_exit", rb_f_at_exit, 0);
}