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We need another native thread to call some unblocking functions
which aren't RUBY_UBF_IO or RUBY_UBF_PROCESS. Instead of a
permanent thread in <= 2.5, we can now rely on the thread cache
feature to perform interrupts.
[ruby-core:90865] [Bug #15499]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@66708 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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* configure.ac: introduce new configure option `--enable-mjit` and
`--disable-mjit`. Default is "enable".
`--disable-mjit` disables all of MJIT features so that `ruby --jit`
can't enable MJIT.
This option affect a macro `USE_MJIT`.
This change remove `--enable/disable-install-mjit-header` option.
* Makefile.in: introduce the `ENABLE_MJIT` variable.
* common.mk: use `ENABLE_MJIT` option.
* internal.h: respect `USE_MJIT`. Same as other *.c, *.h.
* test/ruby/test_jit.rb: check `ENABLE_MJIT` key of rbconfg.rb.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@65204 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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rb_hrtime_t is a more pleasant type to use and this can make
future changes around sleeping/scheduling easier.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@65182 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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Relying on "struct timespec" was too annoying API-wise and
used more stack space. "double" was a bit wacky w.r.t rounding
in the past, so now we'll switch to using a 64-bit type.
Unsigned 64-bit integer is able to give us over nearly 585
years of range with nanoseconds. This range is good enough
for the Linux kernel internal time representation, so it
ought to be good enough for us.
This reduces the stack usage of functions while GVL is held
(and thus subject to marking) on x86-64 Linux (with ppoll):
rb_wait_for_single_fd 120 => 104
do_select 120 => 88
[ruby-core:88582] [Misc #15014]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64533 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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It's possible for the ubf_list_head to be populated with dead
threads at fork or the ubf_list_lock to be held, so reinitialize
both at startup.
And while we're at it, use a static initializer at startup
to save a library call and kill some ifdef.
[ruby-core:88578] [Bug #15013]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64485 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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Same reasoning as the disarm in rb_sigwait_fd_get, the current
thread is already processing signals, so we do not need
UBF_TIMER to continually kick the process, anymore.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64390 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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This reverts commit 194a6a2c68e9c8a3536b24db18ceac87535a6051 (r64203).
Race conditions which caused the original reversion will be fixed
in the subsequent commit.
[ruby-core:88360] [Misc #14937]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64352 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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[ruby-core:88306]
Revert "process.c: ensure th->interrupt lock is held when migrating"
This reverts commit 5ca416bdf6b6785cb20f139c2c514eda005fe42f (r64201)
Revert "process.c (rb_waitpid): reduce sigwait_fd bouncing"
This reverts commit 217bdd776fbeea3bfd0b9324eefbfcec3b1ccb3e (r64200).
Revert "test/ruby/test_thread.rb (test_thread_timer_and_interrupt): add timeouts"
This reverts commit 9f395f11202fc3c7edbd76f5aa6ce1f8a1e752a9 (r64199).
Revert "thread_pthread.c (native_sleep): reduce ppoll sleeps"
This reverts commit b3aa256c4d43d3d7e9975ec18eb127f45f623c9b (r64193).
Revert "thread.c (consume_communication_pipe): do not retry after short read"
This reverts commit 291a82f748de56e65fac10edefc51ec7a54a82d4 (r64185).
Revert "test/ruby/test_io.rb (test_race_gets_and_close): timeout each thread"
This reverts commit 3dbd8d1f66537f968f0461ed8547460b3b1241b3 (r64184).
Revert "thread_pthread.c (gvl_acquire_common): persist timeout across calls"
This reverts commit 8c2ae6e3ed072b06fc3cbc34fa8a14b2acbb49d5 (r64165).
Revert "test/ruby/test_io.rb (test_race_gets_and_close): use SIGABRT on timeout"
This reverts commit 931cda4db8afd6b544a8d85a6815765a9c417213 (r64135).
Revert "thread_pthread.c (gvl_yield): do ubf wakeups when uncontended"
This reverts commit 508f00314f46c08b6e9b0141c01355d24954260c (r64133).
Revert "thread_pthread.h (native_thread_data): split condvars on some platforms"
This reverts commit a038bf238bd9a24bf1e1622f618a27db261fc91b (r64124).
Revert "process.c (waitpid_nogvl): prevent conflicting use of sleep_cond"
This reverts commit 7018acc946882f21d519af7c42ccf84b22a46b27 (r64117).
Revert "thread_pthread.c (rb_sigwait_sleep): th may be 0 from MJIT"
This reverts commit 56491afc7916fb24f5c4dc2c632fb93fa7063992 (r64116).
Revert "thread*.c: waiting on sigwait_fd performs periodic ubf wakeups"
This reverts commit ab47a57a46e70634d049e4da20a5441c7a14cdec (r64115).
Revert "thread_pthread.c (gvl_destroy): make no-op on GVL bits"
This reverts commit 95cae748171f4754b97f4ba54da2ae62a8d484fd (r64114).
Revert "thread_pthread.c (rb_sigwait_sleep): fix uninitialized poll set in UBF case"
This reverts commit 4514362948fdb914c6138b12d961d92e9c0fee6c (r64113).
Revert "thread_pthread.c (rb_sigwait_sleep): re-fix [Bug #5343] harder"
This reverts commit 26b8a70bb309c7a367b9134045508b5b5a580a77 (r64111).
Revert "thread.c: move ppoll wrapper into thread_pthread.c"
This reverts commit 3dc7727d22fecbc355597edda25d2a245bf55ba1 (r64110).
Revert "thread.c: move ppoll wrapper before thread_pthread.c"
This reverts commit 2fa1e2e3c3c5c4b3ce84730dee4bcbe9d81b8e35 (r64109).
Revert "thread_pthread.c (ubf_select): refix [Bug #5343]"
This reverts commit 4c1ab82f0623eca91a95d2a44053be22bbce48ad (r64108).
Revert "thread_win32.c: suppress warnings by -Wsuggest-attribute"
This reverts commit 6a9b63e39075c53870933fbac5c1065f7d22047c (r64159).
Revert "thread_pthread: remove timer-thread by restructuring GVL"
This reverts commit 708bfd21156828526fe72de2cedecfaca6647dc1 (r64107).
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64203 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64159 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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We need to be able to perform periodic ubf_list wakeups when a
thread is sleeping and waiting on signals.
[ruby-core:88088] [Misc #14937] [Bug #5343]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64115 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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To reduce resource use and reduce CI failure; remove
timer-thread. Single-threaded Ruby processes (including forked
children) will never see extra thread overhead. This prevents
glibc and jemalloc from going into multi-threaded mode and
initializing locks or causing fragmentation via arena explosion.
The GVL is implements its own wait-queue as a ccan/list to
permit controlling wakeup order. Timeslice under contention is
handled by a designated timer thread (similar to choosing a
"patrol_thread" for current deadlock checking).
There is only one self-pipe, now, as wakeups for timeslice are
done independently using condition variables. This reduces FD
pressure slightly.
Signal handling is handled directly by a Ruby Thread (instead
of timer-thread) by exposing signal self-pipe to callers of
rb_thread_fd_select, native_sleep, rb_wait_for_single_fd, etc...
Acquiring, using, and releasing the self-pipe is exposed via 4
new internal functions:
1) rb_sigwait_fd_get - exclusively acquire timer_thread_pipe.normal[0]
2) rb_sigwait_fd_sleep - sleep and wait for signal (and no other FDs)
3) rb_sigwait_fd_put - release acquired result from rb_sigwait_fd_get
4) rb_sigwait_fd_migrate - migrate signal handling to another thread
after calling rb_sigwait_fd_put.
rb_sigwait_fd_migrate is necessary for waitpid callers because
only one thread can wait on self-pipe at a time, otherwise a
deadlock will occur if threads fight over the self-pipe.
TRAP_INTERRUPT_MASK is now set for the main thread directly in
signal handler via rb_thread_wakeup_timer_thread.
Originally, I wanted to use POSIX timers
(timer_create/timer_settime) for this. Unfortunately, this
proved unfeasible as Mutex#sleep resumes on spurious wakeups and
test/thread/test_cv.rb::test_condvar_timed_wait failed. Using
pthread_sigmask to mask out SIGVTALRM fixed that test, but
test/fiddle/test_function.rb::test_nogvl_poll proved there'd be
some unavoidable (and frequent) incompatibilities from that
approach.
Finally, this allows us to drop thread_destruct_lock and
interrupt current ec directly.
We don't need to rely on vm->thread_destruct_lock or a coherent
vm->running_thread on any platform. Separate timer-thread for
time slice and signal handling is relegated to thread_win32.c,
now.
[ruby-core:88088] [Misc #14937]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64107 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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pthread_atfork is not idempotent and repeatedly calling it
causes it to register the same hook repeatedly; leading to
unbound memory growth.
Ruby already has a (confusing-named) internal API for to call
in the forked child process: rb_thread_atfork
Call the MJIT child_after_fork hook inside that to prevent
unbound growth with the following loop:
loop do
RubyVM::MJIT.pause
RubyVM::MJIT.resume
end
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@63884 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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This allows native_sleep to use less stack (80 -> 64 bytes on
x86-64) for GVL_UNLOCK_BEGIN/END. For future APIs, we will pass
`ec` or `th` around anyways, so the BLOCKING_REGION change
should be beneficial in the future.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@63448 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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There's no reason to use CLOCK_REALTIME for any condvars in Ruby.
Indeed, we initialized all condvars with RB_CONDATTR_CLOCK_MONOTONIC
anyway; so simplify our code and reduce ifdefs.
[ruby-core:85639] [Misc #14497]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@63238 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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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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to unify signature with pthread's one
I'm planning to use functions for rb_nativethread_cond_t and
rb_nativethread_mutex_t in the future JIT introduction.
In that case, I want them to have the same signature. To prevent the case
that its return value is used in somewhere and it becomes harder to unify
signature, I want to drop unused return value.
[close GH-1751]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@60811 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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rb_ec_raised_*.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@60684 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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* 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_win32.c: native_cond_signal, native_cond_wait,
native_cond_initialize, native_cond_destroy are not used now.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59067 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@58699 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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* thread_win32.c (w32_wait_events): fix wait object index in the
case of interrupt_event is not usable.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@58382 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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* thread_win32.c (w32_wait_events): do not acquire GVL, to fix
deadlock at read/close race condition. instead, just ignore
interrupt_event if it is closed.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@58370 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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Use PRIuSIZE instead of PRIdSIZE. This fixes the exception message shown
on too large xmalloc2. This commit also fixes other incorrect use of
PRIdSIZE in other functions; though most of them are debug print.
* gc.c (heap_extend_pages, get_envparam_size, ruby_malloc_size_overflow,
gc_profile_dump_on): Use PRIuSIZE instead of PRIdSIZE as the passed
value is size_t, not ssize_t.
* iseq.c (get_line_info, rb_iseq_disasm_insn): Ditto.
* sprintf.c (rb_str_format): Ditto.
* thread_win32.c (native_thread_create): Ditto.
* vm.c (get_param): Ditto.
* ext/objspace/objspace_dump.c (dump_append_string_content,
dump_object): Ditto.
* ext/socket/raddrinfo.c (host_str, port_str): Ditto.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56156 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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* 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
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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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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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set thread name visible with ps command on GNU/Linux.
Ex. ps -o %c -L
* thread.c (thread_start_func_2): Call native_set_thread_name at
beginning.
(rb_thread_inspect_msg): Extract from rb_thread_inspect.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@47670 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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* thread_pthread.c (timer_thread): add a flag to tell timer thread
is created, since 0 may be a valid value as pthread_t.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@46405 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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* thread_win32.c (rb_w32_stack_overflow_handler): use Structured
Exception Handling by Addvectoredexceptionhandler() for machine
stack overflow on mingw.
This would be equivalent to the handling using __try and __exept
on mswin introduced by r43748.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45947 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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* thread_{pthread,win32}.c (native_cond_timedwait): constify.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45890 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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* vm_core.h (rb_thread_struct): aggregate cpu stuff into a struct,
so that a debugger can show its content at once.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@44722 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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test/ruby/test_exception.rb on Windows.
wrap by __try and __exception statements on mswin to raise SIGSEGV
when EXCEPTION_STACK_OVERFLOW is occurred, because MSVCRT doesn't
handle the exception.
however, (1) mingw-gcc doesn't support __try and __exception
statements, and (2) we cannot retry SystemStackError after this
change yet (maybe crashed) because SEH and longjmp() are too
uncongenial.
* signal.c (check_stack_overflow, CHECK_STACK_OVERFLOW): now defined on
Windows, too.
* thread_win32.c (ruby_stack_overflowed_p): ditto.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@43748 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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rb_nativethread_cond_t.
* thread.c, thread_pthread.c, thread_win32.c, vm_core.h: catch up
renaming.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@42138 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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current running native thread identifier.
* thread_[pthread|win32].c: implement rb_nativethread_self().
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@42137 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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Move native thread related lines from vm_core.h.
And declare several functions "rb_nativethread_lock_*",
manipulate locking.
* common.mk: add thread_native.h.
* thread.c: add functions "rb_nativethread_lock_*".
* thraed.c, thread_[pthread,win32].[ch]: rename rb_thread_lock_t
to rb_nativethread_lock_t to make it clear that this lock is for
native thraeds, not for ruby threads.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@42133 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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* thread_win32.c (w32_thread_start_func, thread_start_func_1),
(timer_thread_func): use __stdcall instead of _stdcall which is
unavailable in strict ANSI mode. [ruby-core:55312] [Bug #8495]
* win32/win32.c (gettimeofday): use __cdecl instead of _cdecl.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@41834 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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* timev.h (TYPEOF_TIMEVAL_TV_SEC, unsigned_time_t): move from time.c.
* thread.c: use definitions in timev.h.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40011 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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* time.c: Remove TIMET_MAX and TIMET_MIN definitions.
* thread.c: Ditto.
* thread_pthread.c: Remove TIMET_MAX definition.
* thread_win32.c: Ditto.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39943 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39863 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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* thread_win32.c (native_sleep): constify local variable to suppress a
false positive might-be-clobbered warning.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39523 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@37941 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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