/**
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* \file
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* Microsoft threadpool runtime support
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*
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* Author:
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* Ludovic Henry (ludovic.henry@xamarin.com)
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*
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* Copyright 2015 Xamarin, Inc (http://www.xamarin.com)
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* Licensed under the MIT license. See LICENSE file in the project root for full license information.
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*/
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//
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// Copyright (c) Microsoft. All rights reserved.
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// Licensed under the MIT license. See LICENSE file in the project root for full license information.
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//
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// Files:
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// - src/vm/comthreadpool.cpp
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// - src/vm/win32threadpoolcpp
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// - src/vm/threadpoolrequest.cpp
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// - src/vm/hillclimbing.cpp
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//
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// Ported from C++ to C and adjusted to Mono runtime
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#include <stdlib.h>
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#define _USE_MATH_DEFINES // needed by MSVC to define math constants
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#include <math.h>
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#include <config.h>
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#include <glib.h>
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#include <mono/metadata/class-internals.h>
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#include <mono/metadata/exception.h>
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#include <mono/metadata/gc-internals.h>
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#include <mono/metadata/object.h>
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#include <mono/metadata/object-internals.h>
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#include <mono/metadata/threadpool.h>
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#include <mono/metadata/threadpool-worker.h>
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#include <mono/metadata/threadpool-io.h>
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#include <mono/metadata/w32event.h>
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#include <mono/utils/atomic.h>
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#include <mono/utils/mono-compiler.h>
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#include <mono/utils/mono-complex.h>
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#include <mono/utils/mono-lazy-init.h>
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#include <mono/utils/mono-logger.h>
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#include <mono/utils/mono-logger-internals.h>
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#include <mono/utils/mono-proclib.h>
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#include <mono/utils/mono-threads.h>
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#include <mono/utils/mono-time.h>
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#include <mono/utils/refcount.h>
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#include <mono/utils/mono-os-wait.h>
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// consistency with coreclr https://github.com/dotnet/coreclr/blob/643b09f966e68e06d5f0930755985a01a2a2b096/src/vm/win32threadpool.h#L111
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#define MAX_POSSIBLE_THREADS 0x7fff
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typedef struct {
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MonoDomain *domain;
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/* Number of outstanding jobs */
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gint32 outstanding_request;
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/* Number of currently executing jobs */
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gint32 threadpool_jobs;
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/* Signalled when threadpool_jobs + outstanding_request is 0 */
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/* Protected by threadpool.domains_lock */
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MonoCoopCond cleanup_cond;
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} ThreadPoolDomain;
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typedef union {
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struct {
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gint16 starting; /* starting, but not yet in worker_callback */
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gint16 working; /* executing worker_callback */
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} _;
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gint32 as_gint32;
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} ThreadPoolCounter;
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typedef struct {
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MonoRefCount ref;
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GPtrArray *domains; // ThreadPoolDomain* []
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MonoCoopMutex domains_lock;
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ThreadPoolCounter counters;
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gint32 limit_io_min;
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gint32 limit_io_max;
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} ThreadPool;
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static mono_lazy_init_t status = MONO_LAZY_INIT_STATUS_NOT_INITIALIZED;
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static ThreadPool threadpool;
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#define COUNTER_ATOMIC(var,block) \
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do { \
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ThreadPoolCounter __old; \
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do { \
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(var) = __old = COUNTER_READ (); \
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{ block; } \
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if (!(counter._.starting >= 0)) \
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g_error ("%s: counter._.starting = %d, but should be >= 0", __func__, counter._.starting); \
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if (!(counter._.working >= 0)) \
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g_error ("%s: counter._.working = %d, but should be >= 0", __func__, counter._.working); \
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} while (mono_atomic_cas_i32 (&threadpool.counters.as_gint32, (var).as_gint32, __old.as_gint32) != __old.as_gint32); \
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} while (0)
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static inline ThreadPoolCounter
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COUNTER_READ (void)
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{
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ThreadPoolCounter counter;
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counter.as_gint32 = mono_atomic_load_i32 (&threadpool.counters.as_gint32);
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return counter;
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}
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static inline void
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domains_lock (void)
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{
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mono_coop_mutex_lock (&threadpool.domains_lock);
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}
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static inline void
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domains_unlock (void)
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{
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mono_coop_mutex_unlock (&threadpool.domains_lock);
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}
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static void
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destroy (gpointer unused)
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{
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g_ptr_array_free (threadpool.domains, TRUE);
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mono_coop_mutex_destroy (&threadpool.domains_lock);
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}
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static void
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worker_callback (void);
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static void
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initialize (void)
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{
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g_assert (sizeof (ThreadPoolCounter) == sizeof (gint32));
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mono_refcount_init (&threadpool, destroy);
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threadpool.domains = g_ptr_array_new ();
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mono_coop_mutex_init (&threadpool.domains_lock);
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threadpool.limit_io_min = mono_cpu_count ();
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threadpool.limit_io_max = CLAMP (threadpool.limit_io_min * 100, MIN (threadpool.limit_io_min, 200), MAX (threadpool.limit_io_min, 200));
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mono_threadpool_worker_init (worker_callback);
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}
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static void
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cleanup (void)
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{
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mono_threadpool_worker_cleanup ();
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mono_refcount_dec (&threadpool);
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}
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gboolean
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mono_threadpool_enqueue_work_item (MonoDomain *domain, MonoObject *work_item, MonoError *error)
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{
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static MonoClass *threadpool_class = NULL;
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static MonoMethod *unsafe_queue_custom_work_item_method = NULL;
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MonoDomain *current_domain;
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MonoBoolean f;
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gpointer args [2];
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error_init (error);
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g_assert (work_item);
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if (!threadpool_class)
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threadpool_class = mono_class_load_from_name (mono_defaults.corlib, "System.Threading", "ThreadPool");
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if (!unsafe_queue_custom_work_item_method)
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unsafe_queue_custom_work_item_method = mono_class_get_method_from_name (threadpool_class, "UnsafeQueueCustomWorkItem", 2);
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g_assert (unsafe_queue_custom_work_item_method);
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f = FALSE;
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args [0] = (gpointer) work_item;
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args [1] = (gpointer) &f;
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current_domain = mono_domain_get ();
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if (current_domain == domain) {
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mono_runtime_invoke_checked (unsafe_queue_custom_work_item_method, NULL, args, error);
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return_val_if_nok (error, FALSE);
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} else {
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mono_thread_push_appdomain_ref (domain);
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if (mono_domain_set (domain, FALSE)) {
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mono_runtime_invoke_checked (unsafe_queue_custom_work_item_method, NULL, args, error);
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if (!is_ok (error)) {
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mono_thread_pop_appdomain_ref ();
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return FALSE;
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}
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mono_domain_set (current_domain, TRUE);
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}
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mono_thread_pop_appdomain_ref ();
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}
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return TRUE;
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}
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/* LOCKING: domains_lock must be held. */
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static ThreadPoolDomain *
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tpdomain_create (MonoDomain *domain)
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{
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ThreadPoolDomain *tpdomain;
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tpdomain = g_new0 (ThreadPoolDomain, 1);
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tpdomain->domain = domain;
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mono_coop_cond_init (&tpdomain->cleanup_cond);
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g_ptr_array_add (threadpool.domains, tpdomain);
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return tpdomain;
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}
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/* LOCKING: domains_lock must be held. */
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static gboolean
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tpdomain_remove (ThreadPoolDomain *tpdomain)
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{
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g_assert (tpdomain);
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return g_ptr_array_remove (threadpool.domains, tpdomain);
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}
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/* LOCKING: domains_lock must be held */
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static ThreadPoolDomain *
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tpdomain_get (MonoDomain *domain)
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{
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gint i;
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g_assert (domain);
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for (i = 0; i < threadpool.domains->len; ++i) {
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ThreadPoolDomain *tpdomain;
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tpdomain = (ThreadPoolDomain *)g_ptr_array_index (threadpool.domains, i);
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if (tpdomain->domain == domain)
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return tpdomain;
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}
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return NULL;
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}
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static void
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tpdomain_free (ThreadPoolDomain *tpdomain)
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{
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g_free (tpdomain);
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}
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/* LOCKING: domains_lock must be held */
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static ThreadPoolDomain *
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tpdomain_get_next (ThreadPoolDomain *current)
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{
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ThreadPoolDomain *tpdomain = NULL;
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gint len;
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len = threadpool.domains->len;
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if (len > 0) {
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gint i, current_idx = -1;
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if (current) {
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for (i = 0; i < len; ++i) {
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if (current == g_ptr_array_index (threadpool.domains, i)) {
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current_idx = i;
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break;
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}
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}
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}
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for (i = current_idx + 1; i < len + current_idx + 1; ++i) {
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ThreadPoolDomain *tmp = (ThreadPoolDomain *)g_ptr_array_index (threadpool.domains, i % len);
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if (tmp->outstanding_request > 0) {
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tpdomain = tmp;
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break;
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}
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}
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}
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return tpdomain;
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}
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static MonoObject*
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try_invoke_perform_wait_callback (MonoObject** exc, MonoError *error)
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{
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HANDLE_FUNCTION_ENTER ();
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error_init (error);
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MonoObject *res = mono_runtime_try_invoke (mono_defaults.threadpool_perform_wait_callback_method, NULL, NULL, exc, error);
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HANDLE_FUNCTION_RETURN_VAL (res);
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}
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static void
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worker_callback (void)
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{
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MonoError error;
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ThreadPoolDomain *tpdomain, *previous_tpdomain;
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ThreadPoolCounter counter;
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MonoInternalThread *thread;
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if (!mono_refcount_tryinc (&threadpool))
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return;
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thread = mono_thread_internal_current ();
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COUNTER_ATOMIC (counter, {
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if (!(counter._.working < 32767 /* G_MAXINT16 */))
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g_error ("%s: counter._.working = %d, but should be < 32767", __func__, counter._.working);
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counter._.starting --;
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counter._.working ++;
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});
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if (mono_runtime_is_shutting_down ()) {
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COUNTER_ATOMIC (counter, {
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counter._.working --;
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});
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mono_refcount_dec (&threadpool);
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return;
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}
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/*
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* This is needed so there is always an lmf frame in the runtime invoke call below,
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* so ThreadAbortExceptions are caught even if the thread is in native code.
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*/
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mono_defaults.threadpool_perform_wait_callback_method->save_lmf = TRUE;
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domains_lock ();
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previous_tpdomain = NULL;
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while (!mono_runtime_is_shutting_down ()) {
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gboolean retire = FALSE;
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if (thread->state & (ThreadState_AbortRequested | ThreadState_SuspendRequested)) {
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domains_unlock ();
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if (mono_thread_interruption_checkpoint ()) {
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domains_lock ();
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continue;
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}
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domains_lock ();
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}
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tpdomain = tpdomain_get_next (previous_tpdomain);
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if (!tpdomain)
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break;
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tpdomain->outstanding_request --;
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g_assert (tpdomain->outstanding_request >= 0);
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mono_trace (G_LOG_LEVEL_DEBUG, MONO_TRACE_THREADPOOL, "[%p] worker running in domain %p (outstanding requests %d)",
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GUINT_TO_POINTER (MONO_NATIVE_THREAD_ID_TO_UINT (mono_native_thread_id_get ())), tpdomain->domain, tpdomain->outstanding_request);
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g_assert (tpdomain->threadpool_jobs >= 0);
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tpdomain->threadpool_jobs ++;
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domains_unlock ();
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MonoString *thread_name = mono_string_new_checked (mono_get_root_domain (), "Thread Pool Worker", &error);
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mono_error_assert_ok (&error);
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mono_thread_set_name_internal (thread, thread_name, FALSE, TRUE, &error);
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mono_error_assert_ok (&error);
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mono_thread_clr_state (thread, (MonoThreadState)~ThreadState_Background);
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if (!mono_thread_test_state (thread , ThreadState_Background))
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ves_icall_System_Threading_Thread_SetState (thread, ThreadState_Background);
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mono_thread_push_appdomain_ref (tpdomain->domain);
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if (mono_domain_set (tpdomain->domain, FALSE)) {
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MonoObject *exc = NULL, *res;
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res = try_invoke_perform_wait_callback (&exc, &error);
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if (exc || !mono_error_ok(&error)) {
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if (exc == NULL)
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exc = (MonoObject *) mono_error_convert_to_exception (&error);
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else
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mono_error_cleanup (&error);
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mono_thread_internal_unhandled_exception (exc);
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} else if (res && *(MonoBoolean*) mono_object_unbox (res) == FALSE) {
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retire = TRUE;
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}
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mono_domain_set (mono_get_root_domain (), TRUE);
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}
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mono_thread_pop_appdomain_ref ();
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domains_lock ();
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tpdomain->threadpool_jobs --;
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g_assert (tpdomain->threadpool_jobs >= 0);
|
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if (tpdomain->outstanding_request + tpdomain->threadpool_jobs == 0 && mono_domain_is_unloading (tpdomain->domain)) {
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gboolean removed;
|
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removed = tpdomain_remove (tpdomain);
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g_assert (removed);
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mono_coop_cond_signal (&tpdomain->cleanup_cond);
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tpdomain = NULL;
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}
|
|
if (retire)
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break;
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previous_tpdomain = tpdomain;
|
}
|
|
domains_unlock ();
|
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COUNTER_ATOMIC (counter, {
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counter._.working --;
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});
|
|
mono_refcount_dec (&threadpool);
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}
|
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void
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mono_threadpool_cleanup (void)
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{
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#ifndef DISABLE_SOCKETS
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mono_threadpool_io_cleanup ();
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#endif
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mono_lazy_cleanup (&status, cleanup);
|
}
|
|
MonoAsyncResult *
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mono_threadpool_begin_invoke (MonoDomain *domain, MonoObject *target, MonoMethod *method, gpointer *params, MonoError *error)
|
{
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static MonoClass *async_call_klass = NULL;
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MonoMethodMessage *message;
|
MonoAsyncResult *async_result;
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MonoAsyncCall *async_call;
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MonoDelegate *async_callback = NULL;
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MonoObject *state = NULL;
|
|
if (!async_call_klass)
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async_call_klass = mono_class_load_from_name (mono_defaults.corlib, "System", "MonoAsyncCall");
|
|
error_init (error);
|
|
MonoMethod* invoke = NULL;
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if (mono_class_is_delegate(method->klass->parent))
|
invoke = mono_get_delegate_invoke (method->klass);
|
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message = mono_method_call_message_new (method, params, invoke, (params != NULL) ? (&async_callback) : NULL, (params != NULL) ? (&state) : NULL, error);
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return_val_if_nok (error, NULL);
|
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async_call = (MonoAsyncCall*) mono_object_new_checked (domain, async_call_klass, error);
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return_val_if_nok (error, NULL);
|
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MONO_OBJECT_SETREF (async_call, msg, message);
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MONO_OBJECT_SETREF (async_call, state, state);
|
|
if (async_callback) {
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MONO_OBJECT_SETREF (async_call, cb_method, mono_get_delegate_invoke (((MonoObject*) async_callback)->vtable->klass));
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MONO_OBJECT_SETREF (async_call, cb_target, async_callback);
|
}
|
|
async_result = mono_async_result_new (domain, NULL, async_call->state, NULL, (MonoObject*) async_call, error);
|
return_val_if_nok (error, NULL);
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MONO_OBJECT_SETREF (async_result, async_delegate, target);
|
|
mono_threadpool_enqueue_work_item (domain, (MonoObject*) async_result, error);
|
return_val_if_nok (error, NULL);
|
|
return async_result;
|
}
|
|
MonoObject *
|
mono_threadpool_end_invoke (MonoAsyncResult *ares, MonoArray **out_args, MonoObject **exc, MonoError *error)
|
{
|
MonoAsyncCall *ac;
|
|
error_init (error);
|
g_assert (exc);
|
g_assert (out_args);
|
|
*exc = NULL;
|
*out_args = NULL;
|
|
/* check if already finished */
|
mono_monitor_enter ((MonoObject*) ares);
|
|
if (ares->endinvoke_called) {
|
mono_error_set_invalid_operation(error, "Delegate EndInvoke method called more than once");
|
mono_monitor_exit ((MonoObject*) ares);
|
return NULL;
|
}
|
|
ares->endinvoke_called = 1;
|
|
/* wait until we are really finished */
|
if (ares->completed) {
|
mono_monitor_exit ((MonoObject *) ares);
|
} else {
|
gpointer wait_event;
|
if (ares->handle) {
|
wait_event = mono_wait_handle_get_handle ((MonoWaitHandle*) ares->handle);
|
} else {
|
wait_event = mono_w32event_create (TRUE, FALSE);
|
g_assert(wait_event);
|
MonoWaitHandle *wait_handle = mono_wait_handle_new (mono_object_domain (ares), wait_event, error);
|
if (!is_ok (error)) {
|
mono_w32event_close (wait_event);
|
return NULL;
|
}
|
MONO_OBJECT_SETREF (ares, handle, (MonoObject*) wait_handle);
|
}
|
mono_monitor_exit ((MonoObject*) ares);
|
#ifdef HOST_WIN32
|
MONO_ENTER_GC_SAFE;
|
mono_win32_wait_for_single_object_ex (wait_event, INFINITE, TRUE);
|
MONO_EXIT_GC_SAFE;
|
#else
|
mono_w32handle_wait_one (wait_event, MONO_INFINITE_WAIT, TRUE);
|
#endif
|
}
|
|
ac = (MonoAsyncCall*) ares->object_data;
|
g_assert (ac);
|
|
*exc = ac->msg->exc; /* FIXME: GC add write barrier */
|
*out_args = ac->out_args;
|
return ac->res;
|
}
|
|
gboolean
|
mono_threadpool_remove_domain_jobs (MonoDomain *domain, int timeout)
|
{
|
gint64 end;
|
ThreadPoolDomain *tpdomain;
|
gboolean ret;
|
|
g_assert (domain);
|
g_assert (timeout >= -1);
|
|
g_assert (mono_domain_is_unloading (domain));
|
|
if (timeout != -1)
|
end = mono_msec_ticks () + timeout;
|
|
#ifndef DISABLE_SOCKETS
|
mono_threadpool_io_remove_domain_jobs (domain);
|
if (timeout != -1) {
|
if (mono_msec_ticks () > end)
|
return FALSE;
|
}
|
#endif
|
|
/*
|
* Wait for all threads which execute jobs in the domain to exit.
|
* The is_unloading () check in worker_request () ensures that
|
* no new jobs are added after we enter the lock below.
|
*/
|
|
if (!mono_lazy_is_initialized (&status))
|
return TRUE;
|
|
mono_refcount_inc (&threadpool);
|
|
domains_lock ();
|
|
tpdomain = tpdomain_get (domain);
|
if (!tpdomain) {
|
domains_unlock ();
|
mono_refcount_dec (&threadpool);
|
return TRUE;
|
}
|
|
ret = TRUE;
|
|
while (tpdomain->outstanding_request + tpdomain->threadpool_jobs > 0) {
|
if (timeout == -1) {
|
mono_coop_cond_wait (&tpdomain->cleanup_cond, &threadpool.domains_lock);
|
} else {
|
gint64 now;
|
gint res;
|
|
now = mono_msec_ticks();
|
if (now > end) {
|
ret = FALSE;
|
break;
|
}
|
|
res = mono_coop_cond_timedwait (&tpdomain->cleanup_cond, &threadpool.domains_lock, end - now);
|
if (res != 0) {
|
ret = FALSE;
|
break;
|
}
|
}
|
}
|
|
/* Remove from the list the worker threads look at */
|
tpdomain_remove (tpdomain);
|
|
domains_unlock ();
|
|
mono_coop_cond_destroy (&tpdomain->cleanup_cond);
|
tpdomain_free (tpdomain);
|
|
mono_refcount_dec (&threadpool);
|
|
return ret;
|
}
|
|
void
|
mono_threadpool_suspend (void)
|
{
|
if (mono_lazy_is_initialized (&status))
|
mono_threadpool_worker_set_suspended (TRUE);
|
}
|
|
void
|
mono_threadpool_resume (void)
|
{
|
if (mono_lazy_is_initialized (&status))
|
mono_threadpool_worker_set_suspended (FALSE);
|
}
|
|
void
|
ves_icall_System_Threading_ThreadPool_GetAvailableThreadsNative (gint32 *worker_threads, gint32 *completion_port_threads)
|
{
|
ThreadPoolCounter counter;
|
|
if (!worker_threads || !completion_port_threads)
|
return;
|
|
if (!mono_lazy_initialize (&status, initialize) || !mono_refcount_tryinc (&threadpool)) {
|
*worker_threads = 0;
|
*completion_port_threads = 0;
|
return;
|
}
|
|
counter = COUNTER_READ ();
|
|
*worker_threads = MAX (0, mono_threadpool_worker_get_max () - counter._.working);
|
*completion_port_threads = threadpool.limit_io_max;
|
|
mono_refcount_dec (&threadpool);
|
}
|
|
void
|
ves_icall_System_Threading_ThreadPool_GetMinThreadsNative (gint32 *worker_threads, gint32 *completion_port_threads)
|
{
|
if (!worker_threads || !completion_port_threads)
|
return;
|
|
if (!mono_lazy_initialize (&status, initialize) || !mono_refcount_tryinc (&threadpool)) {
|
*worker_threads = 0;
|
*completion_port_threads = 0;
|
return;
|
}
|
|
*worker_threads = mono_threadpool_worker_get_min ();
|
*completion_port_threads = threadpool.limit_io_min;
|
|
mono_refcount_dec (&threadpool);
|
}
|
|
void
|
ves_icall_System_Threading_ThreadPool_GetMaxThreadsNative (gint32 *worker_threads, gint32 *completion_port_threads)
|
{
|
if (!worker_threads || !completion_port_threads)
|
return;
|
|
if (!mono_lazy_initialize (&status, initialize) || !mono_refcount_tryinc (&threadpool)) {
|
*worker_threads = 0;
|
*completion_port_threads = 0;
|
return;
|
}
|
|
*worker_threads = mono_threadpool_worker_get_max ();
|
*completion_port_threads = threadpool.limit_io_max;
|
|
mono_refcount_dec (&threadpool);
|
}
|
|
MonoBoolean
|
ves_icall_System_Threading_ThreadPool_SetMinThreadsNative (gint32 worker_threads, gint32 completion_port_threads)
|
{
|
if (completion_port_threads <= 0 || completion_port_threads > threadpool.limit_io_max)
|
return FALSE;
|
|
if (!mono_lazy_initialize (&status, initialize) || !mono_refcount_tryinc (&threadpool))
|
return FALSE;
|
|
if (!mono_threadpool_worker_set_min (worker_threads)) {
|
mono_refcount_dec (&threadpool);
|
return FALSE;
|
}
|
|
threadpool.limit_io_min = completion_port_threads;
|
|
mono_refcount_dec (&threadpool);
|
return TRUE;
|
}
|
|
MonoBoolean
|
ves_icall_System_Threading_ThreadPool_SetMaxThreadsNative (gint32 worker_threads, gint32 completion_port_threads)
|
{
|
worker_threads = MIN (worker_threads, MAX_POSSIBLE_THREADS);
|
completion_port_threads = MIN (completion_port_threads, MAX_POSSIBLE_THREADS);
|
|
gint cpu_count = mono_cpu_count ();
|
|
if (completion_port_threads < threadpool.limit_io_min || completion_port_threads < cpu_count)
|
return FALSE;
|
|
if (!mono_lazy_initialize (&status, initialize) || !mono_refcount_tryinc (&threadpool))
|
return FALSE;
|
|
if (!mono_threadpool_worker_set_max (worker_threads)) {
|
mono_refcount_dec (&threadpool);
|
return FALSE;
|
}
|
|
threadpool.limit_io_max = completion_port_threads;
|
|
mono_refcount_dec (&threadpool);
|
return TRUE;
|
}
|
|
void
|
ves_icall_System_Threading_ThreadPool_InitializeVMTp (MonoBoolean *enable_worker_tracking)
|
{
|
if (enable_worker_tracking) {
|
// TODO implement some kind of switch to have the possibily to use it
|
*enable_worker_tracking = FALSE;
|
}
|
|
mono_lazy_initialize (&status, initialize);
|
}
|
|
MonoBoolean
|
ves_icall_System_Threading_ThreadPool_NotifyWorkItemComplete (void)
|
{
|
if (mono_domain_is_unloading (mono_domain_get ()) || mono_runtime_is_shutting_down ())
|
return FALSE;
|
|
return mono_threadpool_worker_notify_completed ();
|
}
|
|
void
|
ves_icall_System_Threading_ThreadPool_NotifyWorkItemProgressNative (void)
|
{
|
mono_threadpool_worker_notify_completed ();
|
}
|
|
void
|
ves_icall_System_Threading_ThreadPool_ReportThreadStatus (MonoBoolean is_working)
|
{
|
// TODO
|
MonoError error;
|
mono_error_set_not_implemented (&error, "");
|
mono_error_set_pending_exception (&error);
|
}
|
|
MonoBoolean
|
ves_icall_System_Threading_ThreadPool_RequestWorkerThread (void)
|
{
|
MonoDomain *domain;
|
ThreadPoolDomain *tpdomain;
|
ThreadPoolCounter counter;
|
|
domain = mono_domain_get ();
|
if (mono_domain_is_unloading (domain))
|
return FALSE;
|
|
if (!mono_lazy_initialize (&status, initialize) || !mono_refcount_tryinc (&threadpool)) {
|
/* threadpool has been destroyed, we are shutting down */
|
return FALSE;
|
}
|
|
domains_lock ();
|
|
tpdomain = tpdomain_get (domain);
|
if (!tpdomain) {
|
/* synchronize with mono_threadpool_remove_domain_jobs */
|
if (mono_domain_is_unloading (domain)) {
|
domains_unlock ();
|
mono_refcount_dec (&threadpool);
|
return FALSE;
|
}
|
|
tpdomain = tpdomain_create (domain);
|
}
|
|
g_assert (tpdomain);
|
|
tpdomain->outstanding_request ++;
|
g_assert (tpdomain->outstanding_request >= 1);
|
|
domains_unlock ();
|
|
COUNTER_ATOMIC (counter, {
|
if (counter._.starting == 16) {
|
mono_refcount_dec (&threadpool);
|
return TRUE;
|
}
|
|
counter._.starting ++;
|
});
|
|
mono_threadpool_worker_request ();
|
|
mono_refcount_dec (&threadpool);
|
return TRUE;
|
}
|
|
MonoBoolean G_GNUC_UNUSED
|
ves_icall_System_Threading_ThreadPool_PostQueuedCompletionStatus (MonoNativeOverlapped *native_overlapped)
|
{
|
/* This copy the behavior of the current Mono implementation */
|
MonoError error;
|
mono_error_set_not_implemented (&error, "");
|
mono_error_set_pending_exception (&error);
|
return FALSE;
|
}
|
|
MonoBoolean G_GNUC_UNUSED
|
ves_icall_System_Threading_ThreadPool_BindIOCompletionCallbackNative (gpointer file_handle)
|
{
|
/* This copy the behavior of the current Mono implementation */
|
return TRUE;
|
}
|
|
MonoBoolean G_GNUC_UNUSED
|
ves_icall_System_Threading_ThreadPool_IsThreadPoolHosted (void)
|
{
|
return FALSE;
|
}
|
