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| author | ko1 <ko1@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2010-11-27 20:15:59 +0000 |
|---|---|---|
| committer | ko1 <ko1@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2010-11-27 20:15:59 +0000 |
| commit | 450463d5fbc7098666c1405b5ea1ece4c8dd04a5 (patch) | |
| tree | 028db9106314e277c7bd6329c97ce13fef9e9094 /eval_intern.h | |
| parent | ac0f5a53b6d567b319df73878bd08d70cbbdc37c (diff) | |
| download | ruby-450463d5fbc7098666c1405b5ea1ece4c8dd04a5.tar.gz | |
* thread.c, vm_core.h: make gvl_acquire/release/init/destruct
APIs to modularize GVL implementation.
* thread_pthread.c, thread_pthread.h: Two GVL implementations.
(1) Simple locking GVL which is same as existing GVL.
(2) Wake-up queued threads. The wake-up order is simple FIFO.
(We can make several queues to support exact priorities, however
this causes some issues such as priority inversion and so on.)
This impl. prevents spin-loop (*1) caused on SMP environemnts.
*1: Only one Ruby thread acqures GVL again and again.
Bug #2359 [ruby-core:26694]
* thread_win32.c, thread_win32.h: Using simple lock
not by CRITICAL_SECTION but by Mutex.
Bug #3890 [ruby-dev:42315]
* vm.c (ruby_vm_destruct): ditto.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@29956 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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