зеркало из https://github.com/github/ruby.git
mjit.c: RubyVM::MJIT.pause / RubyVM::MJIT.resume
[Feature #14830] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@63710 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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86
mjit.c
86
mjit.c
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@ -941,7 +941,9 @@ static int worker_stopped;
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static void
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worker(void)
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{
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make_pch();
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if (pch_status == PCH_NOT_READY) {
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make_pch();
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}
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if (pch_status == PCH_FAILED) {
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mjit_init_p = FALSE;
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CRITICAL_SECTION_START(3, "in worker to update worker_stopped");
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@ -1376,6 +1378,26 @@ system_tmpdir(void)
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extern const char ruby_description_with_jit[];
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/* Start MJIT worker. Return TRUE if worker is sucessfully started. */
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static int
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start_worker(void)
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{
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stop_worker_p = FALSE;
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worker_stopped = FALSE;
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if (!rb_thread_create_mjit_thread(child_after_fork, worker)) {
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mjit_init_p = FALSE;
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rb_native_mutex_destroy(&mjit_engine_mutex);
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rb_native_cond_destroy(&mjit_pch_wakeup);
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rb_native_cond_destroy(&mjit_client_wakeup);
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rb_native_cond_destroy(&mjit_worker_wakeup);
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rb_native_cond_destroy(&mjit_gc_wakeup);
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verbose(1, "Failure in MJIT thread initialization\n");
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return FALSE;
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}
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return TRUE;
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}
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/* Initialize MJIT. Start a thread creating the precompiled header and
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processing ISeqs. The function should be called first for using MJIT.
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If everything is successfull, MJIT_INIT_P will be TRUE. */
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@ -1438,19 +1460,53 @@ mjit_init(struct mjit_options *opts)
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rb_define_global_const("RUBY_DESCRIPTION", rb_obj_freeze(rb_description));
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/* Initialize worker thread */
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stop_worker_p = FALSE;
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worker_stopped = FALSE;
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if (!rb_thread_create_mjit_thread(child_after_fork, worker)) {
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mjit_init_p = FALSE;
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rb_native_mutex_destroy(&mjit_engine_mutex);
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rb_native_cond_destroy(&mjit_pch_wakeup);
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rb_native_cond_destroy(&mjit_client_wakeup);
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rb_native_cond_destroy(&mjit_worker_wakeup);
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rb_native_cond_destroy(&mjit_gc_wakeup);
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verbose(1, "Failure in MJIT thread initialization\n");
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start_worker();
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}
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static void
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stop_worker(void)
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{
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stop_worker_p = TRUE;
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while (!worker_stopped) {
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verbose(3, "Sending cancel signal to worker");
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CRITICAL_SECTION_START(3, "in stop_worker");
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rb_native_cond_broadcast(&mjit_worker_wakeup);
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CRITICAL_SECTION_FINISH(3, "in stop_worker");
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}
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}
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/* Stop JIT-compiling methods but compiled code is kept available. */
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VALUE
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mjit_pause(void)
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{
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if (!mjit_init_p) {
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rb_raise(rb_eRuntimeError, "MJIT is not enabled");
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}
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if (worker_stopped) {
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return Qfalse;
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}
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stop_worker();
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return Qtrue;
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}
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/* Restart JIT-compiling methods after mjit_pause. */
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VALUE
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mjit_resume(void)
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{
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if (!mjit_init_p) {
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rb_raise(rb_eRuntimeError, "MJIT is not enabled");
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}
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if (!worker_stopped) {
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return Qfalse;
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}
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if (!start_worker()) {
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rb_raise(rb_eRuntimeError, "Failed to resume MJIT worker");
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}
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return Qtrue;
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}
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/* Finish the threads processing units and creating PCH, finalize
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and free MJIT data. It should be called last during MJIT
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life. */
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@ -1475,13 +1531,7 @@ mjit_finish(void)
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CRITICAL_SECTION_FINISH(3, "in mjit_finish to wakeup from pch");
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/* Stop worker */
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stop_worker_p = TRUE;
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while (!worker_stopped) {
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verbose(3, "Sending cancel signal to workers");
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CRITICAL_SECTION_START(3, "in mjit_finish");
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rb_native_cond_broadcast(&mjit_worker_wakeup);
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CRITICAL_SECTION_FINISH(3, "in mjit_finish");
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}
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stop_worker();
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rb_native_mutex_destroy(&mjit_engine_mutex);
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rb_native_cond_destroy(&mjit_pch_wakeup);
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5
vm.c
5
vm.c
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@ -2780,6 +2780,9 @@ mjit_enabled_p(void)
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return mjit_init_p ? Qtrue : Qfalse;
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}
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extern VALUE mjit_pause(void);
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extern VALUE mjit_resume(void);
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extern VALUE *rb_gc_stack_start;
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extern size_t rb_gc_stack_maxsize;
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#ifdef __ia64
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@ -2868,6 +2871,8 @@ Init_VM(void)
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/* RubyVM::MJIT */
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mjit = rb_define_module_under(rb_cRubyVM, "MJIT");
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rb_define_singleton_method(mjit, "enabled?", mjit_enabled_p, 0);
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rb_define_singleton_method(mjit, "pause", mjit_pause, 0);
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rb_define_singleton_method(mjit, "resume", mjit_resume, 0);
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/*
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* Document-class: Thread
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