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Diffstat (limited to 'ChangeLog')
-rw-r--r-- | ChangeLog | 20 |
1 files changed, 20 insertions, 0 deletions
@@ -1,3 +1,23 @@ +Sun Nov 28 12:23:57 2010 Koichi Sasada <ko1@atdot.net> + + * 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. + Sun Nov 28 04:40:00 2010 Luis Lavena <luislavena@gmail.com> * io.c (io_fwrite): use rb_w32_write_console under Windows. |