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Rely on getclockofday for CLOCK_MONOTONIC, avoid needless
variables, and rely on overflow protection from timespec_add
instead of coding our own.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62459 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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unavailable
This is also for emscripten.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62409 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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* thread.c (timeval_for): tv_usec is suseconds_t which may be
smaller than long.
* thread_pthread.c (native_cond_timeout): ret is now used in
CLOCK_MONOTONIC case only.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62275 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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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
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* thread_pthread.c (rb_thread_create_mjit_thread): cast
worker_func pointer to void pointer inside. adjusted to the
declaration in mjit.c and the definition in thread_win32.c.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62242 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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No implicit cast is defined between these types. Should be explicit.
Also, NULL is defined to be ((void*)0) so not usable as a function
pointer value.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62221 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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that allows to JIT-compile Ruby methods by generating C code and
using C compiler. See the first comment of mjit.c to know what this
file does.
mjit.c is authored by Vladimir Makarov <vmakarov@redhat.com>.
After he invented great method JIT infrastructure for MRI as MJIT,
Lars Kanis <lars@greiz-reinsdorf.de> sent the patch to support MinGW
in MJIT. In addition to merging it, I ported pthread to Windows native
threads. Now this MJIT infrastructure can be compiled on Visual Studio.
This commit simplifies mjit.c to decrease code at initial merge. For
example, this commit does not provide multiple JIT threads support.
We can resurrect them later if we really want them, but I wanted to minimize
diff to make it easier to review this patch.
`/tmp/_mjitXXX` file is renamed to `/tmp/_ruby_mjitXXX` because non-Ruby
developers may not know the name "mjit" and the file name should make
sure it's from Ruby and not from some harmful programs. TODO: it may be
better to store this to some temporary directory which Ruby is already using
by Tempfile, if it's not bad for performance.
mjit.h: New. It has `mjit_exec` interface similar to `vm_exec`, which is
for triggering MJIT. This drops interface for AOT compared to the original
MJIT.
Makefile.in: define macros to let MJIT know the path of MJIT header.
Probably we can refactor this to reduce the number of macros (TODO).
win32/Makefile.sub: ditto.
common.mk: compile mjit.o and mjit_compile.o. Unlike original MJIT, this
commit separates MJIT infrastructure and JIT compiler code as independent
object files. As initial patch is NOT going to have ultra-fast JIT compiler,
it's likely to replace JIT compiler, e.g. original MJIT's compiler or some
future JIT impelementations which are not public now.
inits.c: define MJIT module. This is added because `MJIT.enabled?` was
necessary for testing.
test/lib/zombie_hunter.rb: skip if `MJIT.enabled?`. Obviously this
wouldn't work with current code when JIT is enabled.
test/ruby/test_io.rb: skip this too. This would make no sense with MJIT.
ruby.c: define MJIT CLI options. As major difference from original MJIT,
"-j:l"/"--jit:llvm" are renamed to "--jit-cc" because I want to support
not only gcc/clang but also cl.exe (Visual Studio) in the future. But it
takes only "--jit-cc=gcc", "--jit-cc=clang" for now. And only long "--jit"
options are allowed since some Ruby committers preferred it at Ruby
developers Meeting on January, and some of options are renamed.
This file also triggers to initialize MJIT thread and variables.
eval.c: finalize MJIT worker thread and variables.
test/ruby/test_rubyoptions.rb: fix number of CLI options for --jit.
thread_pthread.c: change for pthread abstraction in MJIT. Prefix rb_ for
functions which are used by other files.
thread_win32.c: ditto, for Windows. Those pthread porting is one of major
works that YARV-MJIT created, which is my fork of MJIT, in Feature 14235.
thread.c: follow rb_ prefix changes
vm.c: trigger MJIT call on VM invocation. Also trigger `mjit_mark` to avoid
SEGV by race between JIT and GC of ISeq. The improvement was provided by
wanabe <s.wanabe@gmail.com>.
In JIT compiler I created and am going to add in my next commit, I found
that having `mjit_exec` after `vm_loop_start:` is harmful because the
JIT-ed function doesn't proceed other ISeqs on RESTORE_REGS of leave insn.
Executing non-FINISH frame is unexpected for my JIT compiler and
`exception_handler` triggers executions of such ISeqs. So `mjit_exec`
here should be executed only when it directly comes from `vm_exec` call.
`RubyVM::MJIT` module and `.enabled?` method is added so that we can skip
some tests which don't expect JIT threads or compiler file descriptors.
vm_insnhelper.h: trigger MJIT on method calls during VM execution.
vm_core.h: add fields required for mjit.c. `bp` must be `cfp[6]` because
rb_control_frame_struct is likely to be casted to another struct. The
last position is the safest place to add the new field.
vm_insnhelper.c: save initial value of cfp->ep as cfp->bp. This is an
optimization which are done in both MJIT and YARV-MJIT. So this change
is added in this commit. Calculating bp from ep is a little heavy work,
so bp is kind of cache for it.
iseq.c: notify ISeq GC to MJIT. We should know which iseq in MJIT queue
is GCed to avoid SEGV. TODO: unload some GCed units in some safe way.
gc.c: add hooks so that MJIT can wait GC, and vice versa. Simultaneous
JIT and GC executions may cause SEGV and so we should synchronize them.
cont.c: save continuation information in MJIT worker. As MJIT shouldn't
unload JIT-ed code which is being used, MJIT wants to know full list of
saved execution contexts for continuation and detect ISeqs in use.
mjit_compile.c: added empty JIT compiler so that you can reuse this commit
to build your own JIT compiler. This commit tries to compile ISeqs but
all of them are considered as not supported in this commit. So you can't
use JIT compiler in this commit yet while we added --jit option now.
Patch author: Vladimir Makarov <vmakarov@redhat.com>.
Contributors:
Takashi Kokubun <takashikkbn@gmail.com>.
wanabe <s.wanabe@gmail.com>.
Lars Kanis <lars@greiz-reinsdorf.de>.
Part of Feature 12589 and 14235.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62189 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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"get_stack_of" was only in a proposed patch for [Feature #8793]
https://bugs.ruby-lang.org/issues/8793 and never applied.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@61750 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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* thread_pthread.c (rb_thread_create_timer_thread): round up
additional stack size to PTHREAD_STACK_MIN, to get rid of
EINVAL at pthread_attr_setstacksize().
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@61722 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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These were added for NaCL support in r36022, and we dropped NaCL
in r60374.
IMHO, any pthreads implementation without these basic functions
is not worth the time to support.
[ruby-core:84758] [Misc #14342]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@61720 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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ifdefs make code confusing for my easily-confused mind :<
These were added for NaCL support in r36022, and we dropped NaCL
in r60374. There are more #ifdefs to remove...
[ruby-core:84758] [Misc #14342]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@61719 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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Fix r61706. Thank you, Eric Wong. [ruby-core:84756]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@61717 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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However, I don't think EAGAIN on pthread_create can really
be fixed in our code. I suspect test machines are overloaded.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@61716 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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"warning: pthread_create failed for timer: Resource temporarily
unavailable, scheduling broken" still occurs randomly. This change will
allow us to debug the issue.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@61706 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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It's easier to read this macro from ccan than open-coding pointer
arithmetic.
thread_pthread.c (ubf_wakeup_all_threads): use container_of
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@61573 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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TL;DR see http://www.open-std.org/jtc1/sc22/wg14/www/docs/n2031.htm
Suppose we have:
struct X {
struct Y {
z_t z;
} y;
} x;
then, you _cant_ infer offsetof(struct X, y.z). The ISO C99 section
7.17 says nothing about such situation. At least clang warns this
being an extension to the language (-Wextended-offsetof).
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@61560 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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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
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to represent execution context [Feature #14038]
* vm_core.h (rb_thread_t): rb_thread_t::ec is now a pointer.
There are many code using `th` to represent execution context
(such as cfp, VM stack and so on). To access `ec`, they need to
use `th->ec->...` (adding one indirection) so that we need to
replace them by passing `ec` instead of `th`.
* vm_core.h (GET_EC()): introduced to access current ec. Also
remove `ruby_current_thread` global variable.
* cont.c (rb_context_t): introduce rb_context_t::thread_ptr instead of
rb_context_t::thread_value.
* cont.c (ec_set_vm_stack): added to update vm_stack explicitly.
* cont.c (ec_switch): added to switch ec explicitly.
* cont.c (rb_fiber_close): added to terminate fibers explicitly.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@60440 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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This fixes stuck test/ruby/test_io.rb with FIBER_USE_NATIVE=0 on
GNU/Linux because linked-list pointers used by glibc get
corrupted when fiber stacks are copied.
Thanks to wanabe for finding the bug and original patch.
* thread_pthread (native_thread_init_stack): fix stack corruption
[ruby-core:82737] [Bug #13387]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@60384 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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Because NaCl and PNaCl are already sunset status.
see https://bugs.chromium.org/p/chromium/issues/detail?id=239656#c160
configure.ac: Patch for this file was provided by @nobu.
[Feature #14041][ruby-core:83497][fix GH-1726]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@60374 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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* thread_pthread.c (rb_thread_wakeup_timer_thread): check
ownership before incrementing
(rb_thread_wakeup_timer_thread_low): ditto
[Bug #13794] [ruby-core:83064]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@60079 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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* vm_core.h: move rb_thread_t::machine to rb_execution_context_t::machine.
* vm_core.h, gc.c (rb_gc_mark_machine_stack): accept ec instead of th.
it enables to call this func from rb_execution_context_mark() in vm.c.
* cont.c (fiber_setcontext): catch up this fix.
fiber_restore_thread() restores machine stack information too.
* gc.c: catch up structure layout changes.
* thread.c: ditto.
* thread_pthread.c: ditto.
* thread_win32.c: ditto.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59825 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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* thread_win32.c (native_set_another_thread_name): set thread name
by SetThreadDescription.
* win32/win32.c (rb_w32_set_thread_description): dynamically try
SetThreadDescription.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59660 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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* thread_pthread.c: move 'register_stack_start' earlier.
[ruby-core:79928] [Bug #13284] [Fix GH-1625]
Author: Sergei Trofimovich <slyfox@gentoo.org>
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59307 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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* thread.c: revert r59053.
* thread_pthread.c (rb_thread_create_timer_thread): needs more
stack space for valgrind.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59055 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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Setting a small stack size can fail due to having 3rd-party
libraries (e.g. libkqueue) loaded, if those libraries use
thread-local-storage (__thread) heavily. This causes
pthread_create to fail with small stacks; even if our
timer_thread function does not hit any of the TLS-using code
paths.
Today, some RubyGems are capable of using libkqueue (or __thread
storage directly), and future versions of Ruby may use kqueue
internally.
cf. https://www.akkadia.org/drepper/tls.pdf
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@58874 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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* numeric.c: [DOC] update document for Integer class.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56492 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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* thread_pthread.c (ruby_init_stack): check stack bounds even if
get_main_stack succeeded, on the "co-routine" case.
https://github.com/ruby/ruby/commit/53953ee#commitcomment-18887413
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56060 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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* thread_pthread.c (gvl_atfork): used in rb_thread_atfork_internal
only if HAVE_WORKING_FORK is defined.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@55085 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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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
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the stack growing bottom to top. [Bug #12118]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@54256 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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pthread_getthrds_np() is wrong on AIX. Use
__pi_stackend - __pi_stackaddr instead.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@54000 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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if pthread_create() failed.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53375 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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This fixes an occasional [ASYNC BUG] failure in
bootstraptest/test_fork.rb '[ruby-dev:37934]'
which tests fork/pthread_create failure by setting
RLIMIT_NPROC to 1 and triggering EAGAIN on pthread_create
when attempting to recreate the timer thread.
The problem timeline is as follows:
thread 1 thread 2
---------------------------------------------------------------
rb_thread_create_timer_thread
setup_communication_pipe
rb_thread_wakeup_timer_thread_low
pthread_create fails pipe looks valid, write!
CLOSE_INVALIDATE (x4) EBADF -> ASYNC BUG
The checks in rb_thread_wakeup_timer_thread_low only tried to
guarantee proper ordering with native_stop_timer_thread, not
rb_thread_create_timer_thread :x
Now, this should allow rb_thread_create_timer_thread to
synchronize properly with rb_thread_wakeup_timer_thread_low by
delaying the validation marking of the timer_thread_pipe until
we are certain the timer thread is alive.
In this version, rb_thread_wakeup_timer_thread_low becomes a
noop. Threading is still completely broken with NPROC==1, but
there's not much we can do about it beside warn the user.
We no longer spew a scary [ASYNC BUG] message or dump core
on them.
* thread_pthread.c (setup_communication_pipe): delay setting owner
(rb_thread_create_timer_thread): until thread creation succeeds
[ruby-core:72590] [Bug #11922]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53373 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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[ci skip][fix GH-1140] Patch by @jutaz
* dir.c: ditto.
* gc.c: ditto.
* io.c: ditto.
* node.h: ditto.
* thread_pthread.c: ditto.
* vm_insnhelper.c: ditto.
* vsnprintf.c: ditto.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53103 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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* configure.in: separate SET_CURRENT_THREAD_NAME, which can set
the name of current thread only, and SET_ANOTHER_THREAD_NAME,
which can set the name of other threads.
* thread.c (rb_thread_setname): use SET_ANOTHER_THREAD_NAME. OS X
is not possible to set another thread name.
* thread_pthread.c (native_set_thread_name, thread_timer): use
SET_CURRENT_THREAD_NAME.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52866 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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add_signal_thread_list.
* thread_pthread.c (unregister_ubf_list): renamed
from remove_signal_thread_list.
* thread_pthread.c (ubf_wakeup_all_threads): renamed from
ping_signal_thread_list.
* thread_pthread.c (ubf_wakeup_thread): renamed from
ubf_select_each.
* thread_pthread.c (ubf_threads_empty): renamed from
check_signal_thread_list().
* thread_pthread.c (ubf_list_lock): renamed from
signal_thread_list_lock.
* thread_pthread.c (register_ubf_list): large simplification
by using ccan/list.h.
bonus: removed malloc() and exit(EXIT_FAILURE).
* thread_pthread.c (unregister_ubf_list): ditto.
* thread_pthread.c (ubf_threads_empty): ditto.
* thread_pthread.c (ubf_wakeup_all_threads): ditto.
* thread_pthread.c (print_signal_list): removed.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52818 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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* configure.in: remove obsolete workarounds for Haiku.
* dln.c, file.c, io.c: remove obsolete Haiku workarounds.
* thread_pthread.c: add stack bounds detection for Haiku.
* signal.c: get stack pointer from signal context on Haiku.
[ruby-core:67923] [Bug #10811] [Fix GH-1109]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52721 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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USE_SLEEPY_TIMER_THREAD is disabled.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52280 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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* thread_pthread.c (async_bug_fd): show failed file descriptor too.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@51779 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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* thread_pthread.c (consume_communication_pipe, CLOSE_INVALIDATE):
adjust async bug messages.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@51777 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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allocated. [Bug #11457]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@51626 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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* thread_pthread.c (native_stop_timer_thread): explicit type of
old value to suppress a pointer-sign warning.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@51578 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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Shutting down the timer thread now always closes pipes to free FDs.
In fact, we close the write ends of the pipes is done in the main
RubyVM to signal the timer thread shutdown.
To effectively close pipes, we implement userspace locks via
atomics to force the pipe closing thread to wait on any signal
handlers which may be waking up.
While we're at it, improve robustness during resource exhaustion and
allow it to limp along non-fatally if restarting a timer thread
fails.
This reverts r51268
Note: this change is tested with VM_CHECK_MODE 1 in vm_core.h
* process.c (close_unless_reserved): add extra check
(dup2_with_divert): remove
(redirect_dup2): use dup2 without divert
(before_exec_non_async_signal_safe): adjust call + comment
(rb_f_exec): stop timer thread for all OSes
(rb_exec_without_timer_thread): remove
* eval.c (ruby_cleanup): adjust call
* thread.c (rb_thread_stop_timer_thread): always close pipes
* thread_pthread.c (struct timer_thread_pipe): add writing field,
mark owner_process volatile for signal handlers
(rb_thread_wakeup_timer_thread_fd): check valid FD
(rb_thread_wakeup_timer_thread): set writing flag to prevent close
(rb_thread_wakeup_timer_thread_low): ditto
(CLOSE_INVALIDATE): new macro
(close_invalidate): new function
(close_communication_pipe): removed
(setup_communication_pipe_internal): make errors non-fatal
(setup_communication_pipe): ditto
(thread_timer): close reading ends inside timer thread
(rb_thread_create_timer_thread): make errors non-fatal
(native_stop_timer_thread): close write ends only, always,
wait for signal handlers to finish
(rb_divert_reserved_fd): remove
* thread_win32.c (native_stop_timer_thread): adjust (untested)
(rb_divert_reserved_fd): remove
* vm_core.h: adjust prototype
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@51576 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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with one of the timer thread FDs, the internal FD is diverted.
[Bug #11336] [ruby-core:69886] [Bug #11350] [ruby-core:69961]
* process.c (dup2_with_divert): new function for the above purpose.
* thread_pthread.c (rb_divert_reserved_fd): new function for
diverting reserved FD. If the given FD is the same as one of the
reserved FDs, the reserved FD number is internally changed.
It returns -1 when error. Otherwise, returns 0. It also returns
0 if there is no need to change reserved FD number.
* thread_win32.c (rb_divert_reserved_fd): always returns 0 because
of no reserved FDs.
* internal.h (rb_divert_reserved_fd): prototype declaration.
It is Ruby internal use only.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@51268 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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reserved FD. It should be closed in the exec system call due to the
O_CLOEXEC or FD_CLOEXEC flag. [Bug #11353] [ruby-core:69977]
* process.c (close_unless_reserved): new function to close FD unless
it is reserved for internal communication.
* thread_pthread.c (rb_reserved_fd_p): should check owner_process pid
to avoid false positive in forked child process.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@51255 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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for FreeBSD, and don't define it if both pthread_setname_np
and pthread_set_name_np don't exist.
* thread_pthread.c (SET_THREAD_NAME): don't define if they don't exist.
* thread_pthread.c (native_set_thread_name): run if SET_THREAD_NAME
is defined.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@50831 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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* thread_pthread.c (reserve_stack): keep sp safe zone to get rid
of crash by -fstack-check. [ruby-core:68740] [Bug #11030]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@50316 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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* thread_pthread.c (timer_thread_pipe.owner_process): process ID
should be pid_t.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@49796 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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* thread_pthread.c (reserve_stack): fix intermittent SIGBUS on
Linux, by reserving the stack virtual address space at process
start up so that it will not clash with the heap space.
[Fix GH-822]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@49452 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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