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thread.c: defer setting name in initialize

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* thread.c (rb_thread_setname): defer setting native thread name
  set in initialize until the native thread is created.
  [ruby-core:74963] [Bug #12290]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@54600 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2016-04-15 13:30:03 +00:00
parent ffd0301a35
commit 4bf8fa83b7
4 changed files with 25 additions and 26 deletions
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10
ChangeLog
View file

@ -1,10 +1,8 @@
Fri Apr 15 21:12:23 2016 Nobuyoshi Nakada <nobu@ruby-lang.org>
Fri Apr 15 22:30:01 2016 Nobuyoshi Nakada <nobu@ruby-lang.org>
* thread.c (get_initialized_threadptr): extract ensuring that the
thread is initialized.
* thread.c (rb_thread_setname): thread must be initialized to set
the name. [ruby-core:74963] [Bug #12290]
* thread.c (rb_thread_setname): defer setting native thread name
set in initialize until the native thread is created.
[ruby-core:74963] [Bug #12290]
Fri Apr 15 20:27:16 2016 SHIBATA Hiroshi <hsbt@ruby-lang.org>

6
test/ruby/test_thread.rb
View file

@ -1099,9 +1099,9 @@ q.pop
t.join
end
def test_thread_setname_uninitialized
def test_thread_setname_in_initialize
bug12290 = '[ruby-core:74963] [Bug #12290]'
c = Class.new(Thread) {def initialize() self.name = "foo" end}
assert_raise(ThreadError, bug12290) {c.new {}}
c = Class.new(Thread) {def initialize() self.name = "foo"; super; end}
assert_equal("foo", c.new {Thread.current.name}.value)
end
end

28
thread.c
View file

@ -711,17 +711,7 @@ thread_create_core(VALUE thval, VALUE args, VALUE (*fn)(ANYARGS))
return thval;
}
static rb_thread_t *
get_initialized_threadptr(VALUE thread, VALUE klass)
{
rb_thread_t *th;
GetThreadPtr(thread, th);
if (!th->first_args) {
rb_raise(rb_eThreadError, "uninitialized thread - check `%"PRIsVALUE"#initialize'",
klass);
}
return th;
}
#define threadptr_initialized(th) ((th)->first_args != 0)
/*
* call-seq:
@ -746,13 +736,18 @@ get_initialized_threadptr(VALUE thread, VALUE klass)
static VALUE
thread_s_new(int argc, VALUE *argv, VALUE klass)
{
rb_thread_t *th;
VALUE thread = rb_thread_alloc(klass);
if (GET_VM()->main_thread->status == THREAD_KILLED)
rb_raise(rb_eThreadError, "can't alloc thread");
rb_obj_call_init(thread, argc, argv);
get_initialized_threadptr(thread, klass);
GetThreadPtr(thread, th);
if (!threadptr_initialized(th)) {
rb_raise(rb_eThreadError, "uninitialized thread - check `%"PRIsVALUE"#initialize'",
klass);
}
return thread;
}
@ -2797,7 +2792,8 @@ rb_thread_setname(VALUE thread, VALUE name)
#ifdef SET_ANOTHER_THREAD_NAME
const char *s = "";
#endif
rb_thread_t *th = get_initialized_threadptr(thread, RBASIC_CLASS(thread));
rb_thread_t *th;
GetThreadPtr(thread, th);
if (!NIL_P(name)) {
rb_encoding *enc;
StringValueCStr(name);
@ -2813,7 +2809,9 @@ rb_thread_setname(VALUE thread, VALUE name)
}
th->name = name;
#if defined(SET_ANOTHER_THREAD_NAME)
SET_ANOTHER_THREAD_NAME(th->thread_id, s);
if (threadptr_initialized(th)) {
SET_ANOTHER_THREAD_NAME(th->thread_id, s);
}
#endif
return name;
}
@ -2836,7 +2834,7 @@ rb_thread_inspect(VALUE thread)
GetThreadPtr(thread, th);
status = thread_status_name(th);
str = rb_sprintf("#<%"PRIsVALUE":%p", cname, (void *)thread);
if (RTEST(th->name)) {
if (!NIL_P(th->name)) {
rb_str_catf(str, "@%"PRIsVALUE, th->name);
}
if (!th->first_func && th->first_proc) {

7
thread_pthread.c
View file

@ -1505,8 +1505,11 @@ native_set_thread_name(rb_thread_t *th)
{
#ifdef SET_CURRENT_THREAD_NAME
if (!th->first_func && th->first_proc) {
VALUE loc = rb_proc_location(th->first_proc);
if (!NIL_P(loc)) {
VALUE loc;
if (!NIL_P(loc = th->name)) {
SET_CURRENT_THREAD_NAME(RSTRING_PTR(loc));
}
else if (!NIL_P(loc = rb_proc_location(th->first_proc))) {
const VALUE *ptr = RARRAY_CONST_PTR(loc); /* [ String, Fixnum ] */
char *name, *p;
char buf[16];