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* thread.c (rb_mutex_trylock, rb_mutex_unlock, mutex_sleep):

raises ThreadError if called from trap handler as Thread#join.
* NEWS: news fot the above.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@37867 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
kosaki 2012-11-26 15:17:01 +00:00
parent 23d5c282b4
commit 5b238e8dc7
3 changed files with 31 additions and 0 deletions

View file

@ -1,3 +1,9 @@
Tue Nov 27 00:13:41 2012 KOSAKI Motohiro <kosaki.motohiro@gmail.com>
* thread.c (rb_mutex_trylock, rb_mutex_unlock, mutex_sleep):
raises ThreadError if called from trap handler as Thread#join.
* NEWS: news fot the above.
Mon Nov 26 23:55:33 2012 KOSAKI Motohiro <kosaki.motohiro@gmail.com>
* NEWS: update for Thread#join incompatible change.

10
NEWS
View file

@ -105,6 +105,12 @@ with all sufficient information, see the ChangeLog file.
* Module#const_get accepts a qualified constant string, e.g.
Object.const_get("Foo::Bar::Baz")
* Mutex
* incompatible changes:
* Mutex#lock, Mutex#unlock, Mutex#try_lock, Mutex#synchronize
and Mutex#sleep no longer allows to be used from trap handler.
Now it raises ThreadError.
* NilClass
* added method:
* added nil.to_h which returns {}
@ -350,3 +356,7 @@ with all sufficient information, see the ChangeLog file.
* Thread#join
See above.
* Mutex#lock, Mutex#unlock, Mutex#try_lock, Mutex#synchronize and Mutex#sleep
See above.

View file

@ -4051,6 +4051,11 @@ rb_mutex_trylock(VALUE self)
VALUE locked = Qfalse;
GetMutexPtr(self, mutex);
/* When running trap handler */
if (GET_THREAD()->interrupt_mask & TRAP_INTERRUPT_MASK) {
rb_raise(rb_eThreadError, "can't be called from trap context");
}
native_mutex_lock(&mutex->lock);
if (mutex->th == 0) {
mutex->th = GET_THREAD();
@ -4239,6 +4244,11 @@ rb_mutex_unlock(VALUE self)
rb_mutex_t *mutex;
GetMutexPtr(self, mutex);
/* When running trap handler */
if (GET_THREAD()->interrupt_mask & TRAP_INTERRUPT_MASK) {
rb_raise(rb_eThreadError, "can't be called from trap context");
}
err = rb_mutex_unlock_th(mutex, GET_THREAD());
if (err) rb_raise(rb_eThreadError, "%s", err);
@ -4307,6 +4317,11 @@ mutex_sleep(int argc, VALUE *argv, VALUE self)
{
VALUE timeout;
/* When running trap handler */
if (GET_THREAD()->interrupt_mask & TRAP_INTERRUPT_MASK) {
rb_raise(rb_eThreadError, "can't be called from trap context");
}
rb_scan_args(argc, argv, "01", &timeout);
return rb_mutex_sleep(self, timeout);
}