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* thread_sync.c (rb_mutex_lock): acquire lock before being killednormal2018-08-161-1/+7
| | | | | | | | | | | | | | | | | | We (the thread acquiring the mutex) need to acquire the mutex before being killed to work with ConditionVariable#wait. Thus we reinstate the acquire-immediately-after-sleeping logic from pre-r63711 while still retaining the acquire-after-checking-for-interrupts logic from r63711. This regression was introduced in commit 501069b8a4013f2e3fdde35c50e9527ef0061963 (r63711) ("thread_sync.c (rb_mutex_lock): fix deadlock") for [Bug #14841] [ruby-core:88503] [Bug #14999] [Bug #14841] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64398 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* [Doc] Recover example about Queuetenderlove2018-07-251-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | `trunk@42862` dropped example's last line. https://github.com/ruby/ruby/commit/e334bb2ce5d8876b020ab681f21595e2e1c9d601#diff-8783a9b452e430bcf0d7b0c6e34f1db0L144 https://github.com/ruby/ruby/commit/e334bb2ce5d8876b020ab681f21595e2e1c9d601#diff-38e7b9d781319cfbc49445f8f6625b8aR195 This brings no output. ```queue_example1.rb queue = Queue.new producer = Thread.new do 5.times do |i| sleep rand(i) # simulate expense queue << i puts "#{i} produced" end end consumer = Thread.new do 5.times do |i| value = queue.pop sleep rand(i/2) # simulate expense puts "consumed #{value}" end end ``` ```queue_example2.rb queue = Queue.new producer = Thread.new do 5.times do |i| sleep rand(i) # simulate expense queue << i puts "#{i} produced" end end consumer = Thread.new do 5.times do |i| value = queue.pop sleep rand(i/2) # simulate expense puts "consumed #{value}" end end consumer.join ``` $ ruby queue_example1.rb $ $ ruby queue_example2.rb 0 produced 1 produced consumed 0 consumed 1 2 produced consumed 2 3 produced consumed 3 4 produced consumed 4 $ Co-Authored-By: Sanemat <o.gata.ken@gmail.com> git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64058 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* UNREACHABLE_RETURNnobu2018-07-241-1/+1
| | | | | | | * include/ruby/ruby.h (UNREACHABLE_RETURN): UNREACHABLE at the end of non-void functions. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64025 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* thread_sync.c (rb_mutex_lock): fix deadlocknormal2018-06-221-8/+6
| | | | | | | * thread_sync.c (rb_mutex_lock): fix deadlock [ruby-core:87467] [Bug #14841] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@63711 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* thread_sync.c (condvar_ptr): reset fork_gen after forkingnormal2018-04-301-0/+1
| | | | | | | | | Otherwise the condition variable waiter list will always be empty, which is wrong :x [Bug #14725] [Bug #14634] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@63309 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* thread_sync.c: remove "volatile" qualifiersnormal2018-04-281-4/+4
| | | | | | | | I may store ->ec in rb_mutex_t instead of ->th to support green thread. For now, "volatile" is useless for thread-safety anyways and we're not dealing with *jmp or signals with mutex. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@63282 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* thread_sync.c: remove unused list_headsnormal2018-04-281-8/+0
| | | | | | | | I forgot to clean these up in r63215 * thread_sync.c (szqueue_list, queue_list, condvar_list): remove git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@63281 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* thread_sync: redo r62934 to use fork_gennormal2018-04-201-62/+33
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Instead of maintaining linked-lists to store all rb_queue/rb_szqueue/rb_condvar structs; store only a fork_gen serial number to simplify management of these items. This reduces initialization costs and avoids the up-front cost of resetting all Queue/SizedQueue/ConditionVariable objects at fork while saving 8 bytes per-structure on 64-bit. There are no savings on 32-bit. * thread.c (rb_thread_atfork_internal): remove rb_thread_sync_reset_all call * thread_sync.c (rb_thread_sync_reset_all): remove * thread_sync.c (queue_live): remove * thread_sync.c (queue_free): remove * thread_sync.c (struct rb_queue): s/live/fork_gen/ * thread_sync.c (queue_data_type): use default free * thread_sync.c (queue_alloc): remove list_add * thread_sync.c (queue_fork_check): new function * thread_sync.c (queue_ptr): call queue_fork_check * thread_sync.c (szqueue_free): remove * thread_sync.c (szqueue_data_type): use default free * thread_sync.c (szqueue_alloc): remove list_add * thread_sync.c (szqueue_ptr): check fork_gen via queue_fork_check * thread_sync.c (struct rb_condvar): s/live/fork_gen/ * thread_sync.c (condvar_free): remove * thread_sync.c (cv_data_type): use default free * thread_sync.c (condvar_ptr): check fork_gen * thread_sync.c (condvar_alloc): remove list_add [ruby-core:86316] [Bug #14634] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@63215 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* thread_sync.c: [DOC] fix typostomar2018-04-141-1/+1
| | | | git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@63161 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* offsetof(type, foo.bar) is (arguably) a GCCismshyouhei2018-04-091-1/+2
| | | | | | | | clang -Wextended-offsetof warns this line. CF: http://www.open-std.org/jtc1/sc22/wg14/www/docs/n2031.htm git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@63124 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* thread_sync.c: avoid reaching across stacks of dead threadsnormal2018-03-271-5/+70
| | | | | | | | | | | | rb_ensure is insufficient cleanup for fork and we must reinitialize all waitqueues in the child process. Unfortunately this increases the footprint of ConditionVariable, Queue and SizedQueue by 8 bytes on 32-bit (16 bytes on 64-bit). [ruby-core:86316] [Bug #14634] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62934 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* thread.c: reset waitq of keeping mutexes in childnormal2018-03-051-0/+14
| | | | | | | | | | | | | | We must not maintain references to threads in the parent process in any mutexes held by the child process. * thread_sync.c (rb_mutex_cleanup_keeping_mutexes): new function * thread.c (rb_thread_atfork): cleanup keeping mutexes [ruby-core:85940] [Bug #14578] Fixes: r58604 (commit 3586c9e0876e784767a1c1adba9ebc2499fa0ec2) ("reduce rb_mutex_t size from 160 to 80 bytes on 64-bit") git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62668 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* [DOC] missing docs at toplevelnobu2018-02-231-0/+16
| | | | git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62544 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* no ID cache in Init functionsnobu2018-02-161-0/+1
| | | | | | Init functions are called only once, cache is useless. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62429 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* thread.c: favor timespec internallynormal2018-02-071-6/+9
| | | | | | | | | | | | | | | | This results in fewer conversion on common modern systems with support for clock_gettime, pthread_cond_timedwait and ppoll. gettimeofday is declared obsolete by POSIX.1-2008, so it is yet another reason to move away from it. This also appears to result in the reduction of compatibility code required for dealing with inconsistent implementations of "struct timeval".tv_sec In the future, this will also result in fewer conversions for kqueue and pselect if we elect to use them. [ruby-core:85416] [Feature #14452] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62272 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* raise_closed_queue_error marked as NORETURNshyouhei2018-01-181-0/+2
| | | | git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@61926 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* thread_sync.c: fix rdocnobu2017-12-191-14/+12
| | | | | | | | | * thread_sync.c (define_thread_class): hide rb_define_class_under from rdoc, so that fake code to teach rdoc takes effect. * thread_sync.c (Init_thread_sync): teach rdoc Mutex. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@61337 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* move rb_thread_t::interrupt_flag and maskko12017-11-061-3/+3
| | | | | | | | | | | | | | | | to rb_execution_context_t. * vm_core.h (rb_thread_t): move `rb_thread_t::interrupt_flag` and `rb_thread_t::interrupt_mask` to rb_execution_context_t. RUBY_VM_CHECK_INTS() accepts `ec` instead of `th`. * cont.c (rb_fiber_terminate): to propagate interrupt information, add new parameter `need_interrupt`. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@60672 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* Remove unnecessary `require 'thread'`kazu2017-10-081-5/+1
| | | | git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@60139 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* UNALIGNED_MEMBER_ACCESSnobu2017-07-301-14/+18
| | | | | | | * eval_intern.h (UNALIGNED_MEMBER_ACCESS): suppress address-of-packed-member warnings by clang 4.0. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59450 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* thread_sync.c: fix documentation for Queue#closenormal2017-06-231-1/+1
| | | | | | | | | | When Queue#closed? is true, using push/enq/<< will raise an exception, and not return nil. * thread_sync.c: fix documentation for Queue#close Thanks to John Anderson. [ruby-core:81749] [Misc #13673] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59165 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* thread_sync.c: rewrite the rest using using ccan/listnormal2017-05-191-158/+319
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The performance improvement increases as the number of waiters increases, due to avoiding the O(n) behavior of rb_ary_delete on the waiting thread. Uncontended queues and condition variables performance is not altered significantly. Function entry cost is slightly increased for ConditionVariable, since the data pointer is separately allocated and not embedded into the RVALUE slot. [ruby-core:81235] [Feature #13552] name |trunk |built ----------------------|------:|------: vm_thread_condvar1 | 0.858| 0.858 vm_thread_condvar2 | 1.003| 0.804 vm_thread_queue | 0.131| 0.129 vm_thread_sized_queue | 0.265| 0.251 vm_thread_sized_queue2| 0.892| 0.859 vm_thread_sized_queue3| 0.879| 0.845 vm_thread_sized_queue4| 0.599| 0.486 Speedup ratio: compare with the result of `trunk' (greater is better) name |built ----------------------|------: vm_thread_condvar1 | 0.999 vm_thread_condvar2 | 1.246 vm_thread_queue | 1.020 vm_thread_sized_queue | 1.057 vm_thread_sized_queue2| 1.039 vm_thread_sized_queue3| 1.041 vm_thread_sized_queue4| 1.233 git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@58805 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* thread_sync.c: rename mutex_waiter struct to sync_waiternormal2017-05-191-5/+5
| | | | | | | We will reuse this struct for ConditionVariable, Queue, and SizedQueue, so it is no longer Mutex-specific. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@58804 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* suppress a warning [ci skip]nobu2017-05-141-1/+1
| | | | | | | * thread_sync.c (rb_mutex_num_waiting): suppress warning C4700 by VC, uninitialized local variable. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@58715 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* adjust styles [ci skip]nobu2017-05-101-6/+7
| | | | git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@58646 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* reduce rb_mutex_t size from 80 bytes to 72 bytes on 64-bitnormal2017-05-081-5/+9
| | | | | | | | | | | | | We can use existing RVALUE flags to avoid adding a 4-byte integer to store a boolean flag. This integer cost us 8 bytes due to default (lack of) struct packing on x86-64 * thread_sync.c (MUTEX_ALLOW_TRAP): define as FL_USER1 (struct rb_mutex_struct): remove allow_trap (rb_mutex_lock): adjust for flag check (rb_mutex_allow_trap): adjust for flag set/unset git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@58608 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* reduce rb_mutex_t size from 160 to 80 bytes on 64-bitnormal2017-05-081-89/+59
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Instead of relying on a native condition variable and mutex for every Ruby Mutex object, use a doubly linked-list to implement a waiter queue in the Mutex. The immediate benefit of this is reducing the size of every Mutex object, as some projects have many objects requiring synchronization. In the future, this technique using a linked-list and on-stack list node (struct mutex_waiter) should allow us to easily transition to M:N threading model, as we can avoid the native thread dependency to implement Mutex. We already do something similar for autoload in variable.c, and this was inspired by the Linux kernel wait queue (as ccan/list is inspired by the Linux kernel linked-list). Finaly, there are big performance improvements for Mutex benchmarks, especially in contended cases: measure target: real name |trunk |built ----------------|------:|------: loop_whileloop2 | 0.149| 0.148 vm2_mutex* | 0.893| 0.651 vm_thread_mutex1| 0.809| 0.624 vm_thread_mutex2| 2.608| 0.628 vm_thread_mutex3| 28.227| 0.881 Speedup ratio: compare with the result of `trunk' (greater is better) name |built ----------------|------: loop_whileloop2 | 1.002 vm2_mutex* | 1.372 vm_thread_mutex1| 1.297 vm_thread_mutex2| 4.149 vm_thread_mutex3| 32.044 Tested on AMD FX-8320 8-core at 3.5GHz * thread_sync.c (struct mutex_waiter): new on-stack struct (struct rb_mutex_struct): remove native lock/cond, use ccan/list (rb_mutex_num_waiting): new function for debug_deadlock_check (mutex_free): remove native_*_destroy (mutex_alloc): initialize waitq, remove native_*_initialize (rb_mutex_trylock): remove native_mutex_{lock,unlock} (lock_func): remove (lock_interrupt): remove (rb_mutex_lock): rewrite waiting path to use native_sleep + ccan/list (rb_mutex_unlock_th): rewrite to wake up from native_sleep using rb_threadptr_interrupt (rb_mutex_abandon_all): empty waitq * thread.c (debug_deadlock_check): update for new struct (rb_check_deadlock): ditto [ruby-core:80913] [Feature #13517] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@58604 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* thread_sync.c: document SizedQueue#clear correctly [ci skip]normal2017-04-301-1/+1
| | | | | | * thread_sync.c (rb_szqueue_clear): fix class name in RDoc git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@58511 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* thread_sync.c (rb_mutex_lock): spelling fix [ci skip]normal2017-04-251-1/+1
| | | | git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@58485 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* remove branches in dmark and dfree GC callbacksnormal2017-03-171-9/+7
| | | | | | | | | | | | | | | | | dmark and dfree callbacks are never called in gc.c for NULL DATA_PTR values, not even for zombie objects. * compile.c (ibf_loader_mark): remove branch for pointer validity * compile.c (ibf_loader_free): ditto * cont.c (cont_free): ditto * cont.c (fiber_free): ditto * dir.c (dir_free): ditto * ext/stringio/stringio.c (strio_mark): ditto * proc.c (binding_free): ditto * thread_sync.c (mutex_free): ditto * vm.c (thread_free): ditto git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@58006 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* allow Queue operation in trap.ko12017-01-311-1/+1
| | | | | | | | | | * thread_sync.c: allow spurious wakeup to check Queue status just after trap. [Bug #12405] * test/thread/test_queue.rb: add a test for it. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@57479 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* define rb_thread_sleep_deadly_allow_spurious_wakeup().ko12017-01-311-1/+1
| | | | | | | | | * thread.c, thread_sync.c: define new function rb_thread_sleep_deadly_allow_spurious_wakeup() and use it instead of using sleep_forever() directly. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@57478 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* use TRUE/FALSE.ko12017-01-311-1/+1
| | | | git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@57477 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* thread_sync.c: Document exception typesnobu2016-09-291-5/+5
| | | | | | | | * thread_sync.c (rb_queue_pop, rb_szqueue_push, rb_szqueue_pop): Document exception types, ThreadError, raised by Queue and SizedQueue. [Fix GH-1451] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56287 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* thread_sync.c: Remove confusing commentsnobu2016-09-291-9/+9
| | | | | | | | * thread_sync.c (Init_thread_sync): Remove confusing doc comments, which are picked up by rdoc unexpectedly, from Queue and SizedQueue. [Fix GH-1450] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56285 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* thread_sync.c: alias_global_constnobu2016-08-281-1/+7
| | | | | | * thread_sync.c (alias_global_const): extract from a macro. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56023 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* rb_funcallvnobu2016-07-291-1/+1
| | | | | | | * *.c: rename rb_funcall2 to rb_funcallv, except for extensions which are/will be/may be gems. [Fix GH-1406] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@55773 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* thread.c: clear atfork functionsnobu2016-05-091-0/+4
| | | | | | | | | | | | * thread.c (rb_thread_atfork, rb_thread_atfork_before_exec): do nothing unless working fork is available. * thread_sync.c (rb_mutex_abandon_all): define only if working fork is available. * thread_sync.c (rb_mutex_abandon_keeping_mutexes): ditto. * thread_sync.c (rb_mutex_abandon_locking_mutex): ditto. * thread_win32.c (gvl_init): never used. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@54960 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* thread_sync.c: define global constants alwaysnobu2016-04-301-6/+2
| | | | | | | | * thread_sync.c (ALIAS_GLOBAL_CONST): define global constant aliases unconditionally. same constants are not defined at this time. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@54826 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* thread_sync.c: Update rdoc for Queue [skip ci]nobu2016-03-171-1/+7
| | | | | | | * thread_sync.c: [DOC] Update documentation for Queue class description. [Fix GH-1292] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@54146 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* thread_sync.c: [DOC] remove SizedQueue#close argument. [ci skip]sho-h2016-01-041-1/+1
| | | | git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53428 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* thread_sync.c: remove unnecessary casts for queue_sleepnormal2016-01-021-2/+2
| | | | | | | | | | | | | | "Qfalse" and "(VALUE)0" are equivalent, and do not matter for an ignored argument, either. Additionally, there's no reason to cast the pointer to rb_thread_sleep_deadly when we already have a queue_sleep wrapper. * thread_sync.c (queue_do_pop): avoid cast with Qfalse (rb_szqueue_push): ditto, use queue_sleep wrapper git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53413 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* thread_sync.c: static classesnormal2015-12-281-2/+2
| | | | | | | We do not want to waste space by exposing globals to other objects. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53364 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* * *.c (*_memsize): do not check ptr.ko12015-12-091-1/+1
| | | | | | | | | | NULL checking is finished Before call of memsize functions. See r52979. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52986 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* * thread_sync.c: reduce the specification of Queue#close.ko12015-11-211-34/+10
| | | | | | | | | | | | | * Queue#close accepts no arguments. * deq'ing on closed queue returns nil, always. [Feature #10600] * test/thread/test_queue.rb: catch up this fix. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52691 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* thread_sync.c: fix typosnobu2015-09-031-2/+2
| | | | git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@51750 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* * thread_sync.c (queue_do_close): ignore multiple close to allowko12015-09-011-14/+16
| | | | | | | | | multiple producers. https://bugs.ruby-lang.org/issues/10600#note-14 git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@51732 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* * thread_tools.c: rename thread_tools.c to thread_sync.c.ko12015-09-011-0/+1335
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@51730 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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