#ifdef PLATFORM_WIN32
#define WINVER 0x0500
#define _WIN32_WINNT 0x0500
-#define THREADS_PER_CPU 25
-#else
-#define THREADS_PER_CPU 50
#endif
+#define THREADS_PER_CPU 5 /* 20 + THREADS_PER_CPU * number of CPUs */
+
#include <mono/metadata/domain-internals.h>
#include <mono/metadata/tabledefs.h>
#include <mono/metadata/threads.h>
#include <mono/metadata/threads-types.h>
+#include <mono/metadata/threadpool-internals.h>
#include <mono/metadata/exception.h>
#include <mono/metadata/file-io.h>
#include <mono/metadata/monitor.h>
+#include <mono/metadata/mono-mlist.h>
#include <mono/metadata/marshal.h>
#include <mono/metadata/socket-io.h>
#include <mono/io-layer/io-layer.h>
#include <mono/os/gc_wrapper.h>
#include <errno.h>
+#ifdef HAVE_SYS_TIME_H
#include <sys/time.h>
+#endif
#include <sys/types.h>
#include <fcntl.h>
+#ifdef HAVE_UNISTD_H
#include <unistd.h>
+#endif
#include <string.h>
#include <mono/utils/mono-poll.h>
#include "threadpool.h"
+#define THREAD_WANTS_A_BREAK(t) ((t->state & (ThreadState_StopRequested | \
+ ThreadState_SuspendRequested)) != 0)
+
#undef EPOLL_DEBUG
/* maximum number of worker threads */
-static int mono_max_worker_threads = THREADS_PER_CPU;
-static int mono_min_worker_threads = 0;
-static int mono_io_max_worker_threads = THREADS_PER_CPU * 2;
+static int mono_max_worker_threads;
+static int mono_min_worker_threads;
+static int mono_io_max_worker_threads;
+static int mono_io_min_worker_threads;
/* current number of worker threads */
static int mono_worker_threads = 0;
CRITICAL_SECTION io_lock; /* access to sock_to_state */
int inited;
int pipe [2];
- GHashTable *sock_to_state;
+ MonoGHashTable *sock_to_state;
HANDLE new_sem; /* access to newpfd and write side of the pipe */
mono_pollfd *newpfd;
static HANDLE job_added;
static HANDLE io_job_added;
+/* Keep in sync with the System.MonoAsyncCall class which provides GC tracking */
typedef struct {
+ MonoObject object;
MonoMethodMessage *msg;
- HANDLE wait_event;
MonoMethod *cb_method;
MonoDelegate *cb_target;
MonoObject *state;
MonoObject *res;
MonoArray *out_args;
+ /* This is a HANDLE, we use guint64 so the managed object layout remains constant */
+ guint64 wait_event;
} ASyncCall;
+typedef struct {
+ MonoArray *array;
+ int first_elem;
+ int next_elem;
+} TPQueue;
+
static void async_invoke_thread (gpointer data);
-static void append_job (CRITICAL_SECTION *cs, GList **plist, gpointer ar);
+static void append_job (CRITICAL_SECTION *cs, TPQueue *list, MonoObject *ar);
static void start_thread_or_queue (MonoAsyncResult *ares);
static void mono_async_invoke (MonoAsyncResult *ares);
-static gpointer dequeue_job (CRITICAL_SECTION *cs, GList **plist);
+static MonoObject* dequeue_job (CRITICAL_SECTION *cs, TPQueue *list);
+static void free_queue (TPQueue *list);
-static GList *async_call_queue = NULL;
-static GList *async_io_queue = NULL;
+static TPQueue async_call_queue = {NULL, 0, 0};
+static TPQueue async_io_queue = {NULL, 0, 0};
+static MonoClass *async_call_klass;
static MonoClass *socket_async_call_klass;
+static MonoClass *process_async_call_klass;
#define INIT_POLLFD(a, b, c) {(a)->fd = b; (a)->events = c; (a)->revents = 0;}
enum {
AIO_OP_RECEIVEFROM,
AIO_OP_SEND,
AIO_OP_SENDTO,
+ AIO_OP_RECV_JUST_CALLBACK,
+ AIO_OP_SEND_JUST_CALLBACK,
+ AIO_OP_READPIPE,
AIO_OP_LAST
};
if (data->new_sem)
CloseHandle (data->new_sem);
data->new_sem = NULL;
- g_hash_table_destroy (data->sock_to_state);
+ mono_g_hash_table_destroy (data->sock_to_state);
data->sock_to_state = NULL;
- g_list_free (async_io_queue);
- async_io_queue = NULL;
+ free_queue (&async_io_queue);
release = (gint) InterlockedCompareExchange (&io_worker_threads, 0, -1);
if (io_job_added)
ReleaseSemaphore (io_job_added, release, NULL);
switch (state->operation) {
case AIO_OP_ACCEPT:
case AIO_OP_RECEIVE:
+ case AIO_OP_RECV_JUST_CALLBACK:
case AIO_OP_RECEIVEFROM:
+ case AIO_OP_READPIPE:
return MONO_POLLIN;
case AIO_OP_SEND:
+ case AIO_OP_SEND_JUST_CALLBACK:
case AIO_OP_SENDTO:
case AIO_OP_CONNECT:
return MONO_POLLOUT;
}
static int
-get_events_from_list (GSList *list)
+get_events_from_list (MonoMList *list)
{
MonoSocketAsyncResult *state;
int events = 0;
- while (list && list->data) {
- state = (MonoSocketAsyncResult *) list->data;
+ while (list && (state = (MonoSocketAsyncResult *)mono_mlist_get_data (list))) {
events |= get_event_from_state (state);
- list = list->next;
+ list = mono_mlist_next (list);
}
return events;
MonoThread *thread;
thread = mono_thread_current ();
thread->threadpool_thread = TRUE;
- thread->state |= ThreadState_Background;
+ ves_icall_System_Threading_Thread_SetState (thread, ThreadState_Background);
for (;;) {
MonoSocketAsyncResult *state;
if (state) {
InterlockedDecrement (&pending_io_items);
ar = state->ares;
- /* worker threads invokes methods in different domains,
- * so we need to set the right domain here */
switch (state->operation) {
case AIO_OP_RECEIVE:
state->total = ICALL_RECV (state);
break;
}
+ /* worker threads invokes methods in different domains,
+ * so we need to set the right domain here */
domain = ((MonoObject *)ar)->vtable->domain;
+ mono_thread_push_appdomain_ref (domain);
if (mono_domain_set (domain, FALSE)) {
- mono_thread_push_appdomain_ref (domain);
+ ASyncCall *ac;
+
mono_async_invoke (ar);
- mono_thread_pop_appdomain_ref ();
+ ac = (ASyncCall *) ar->object_data;
+ /*
+ if (ac->msg->exc != NULL)
+ mono_unhandled_exception (ac->msg->exc);
+ */
+ mono_domain_set (mono_get_root_domain (), TRUE);
}
+ mono_thread_pop_appdomain_ref ();
InterlockedDecrement (&busy_io_worker_threads);
}
do {
wr = WaitForSingleObjectEx (io_job_added, (guint32)timeout, TRUE);
- if ((thread->state & ThreadState_StopRequested)!=0)
+ if (THREAD_WANTS_A_BREAK (thread))
mono_thread_interruption_checkpoint ();
timeout -= GetTickCount () - start_time;
InterlockedIncrement (&busy_io_worker_threads);
InterlockedIncrement (&io_worker_threads);
domain = ((ares) ? ((MonoObject *) ares)->vtable->domain : mono_domain_get ());
- mono_thread_create (domain, async_invoke_io_thread, ares);
+ mono_thread_create (mono_get_root_domain (), async_invoke_io_thread, ares);
} else {
- append_job (&io_queue_lock, &async_io_queue, ares);
+ append_job (&io_queue_lock, &async_io_queue, (MonoObject*)ares);
ReleaseSemaphore (io_job_added, 1, NULL);
}
}
-static GSList *
-process_io_event (GSList *list, int event)
+static MonoMList *
+process_io_event (MonoMList *list, int event)
{
MonoSocketAsyncResult *state;
- GSList *oldlist;
+ MonoMList *oldlist;
oldlist = list;
state = NULL;
while (list) {
- state = (MonoSocketAsyncResult *) list->data;
+ state = (MonoSocketAsyncResult *) mono_mlist_get_data (list);
if (get_event_from_state (state) == event)
break;
- list = list->next;
+ list = mono_mlist_next (list);
}
if (list != NULL) {
- oldlist = g_slist_remove_link (oldlist, list);
- g_slist_free_1 (list);
+ oldlist = mono_mlist_remove_item (oldlist, list);
#ifdef EPOLL_DEBUG
g_print ("Dispatching event %d on socket %d\n", event, state->handle);
#endif
if (pfd->fd == -1)
continue;
- ret = mono_poll (pfds, 1, 0);
+ ret = mono_poll (pfd, 1, 0);
if (ret == -1 && errno == EBADF) {
pfd->revents |= MONO_POLLNVAL;
count++;
thread = mono_thread_current ();
thread->threadpool_thread = TRUE;
- thread->state |= ThreadState_Background;
+ ves_icall_System_Threading_Thread_SetState (thread, ThreadState_Background);
allocated = INITIAL_POLLFD_SIZE;
pfds = g_new0 (mono_pollfd, allocated);
int nsock = 0;
mono_pollfd *pfd;
char one [1];
- GSList *list;
+ MonoMList *list;
do {
if (nsock == -1) {
- if ((thread->state & ThreadState_StopRequested) != 0)
+ if (THREAD_WANTS_A_BREAK (thread))
mono_thread_interruption_checkpoint ();
}
EnterCriticalSection (&data->io_lock);
if (data->inited == 0) {
g_free (pfds);
+ LeaveCriticalSection (&data->io_lock);
return; /* cleanup called */
}
continue;
nsock--;
- list = g_hash_table_lookup (data->sock_to_state, GINT_TO_POINTER (pfd->fd));
+ list = mono_g_hash_table_lookup (data->sock_to_state, GINT_TO_POINTER (pfd->fd));
if (list != NULL && (pfd->revents & (MONO_POLLIN | POLL_ERRORS)) != 0) {
list = process_io_event (list, MONO_POLLIN);
}
}
if (list != NULL) {
- g_hash_table_replace (data->sock_to_state, GINT_TO_POINTER (pfd->fd), list);
+ mono_g_hash_table_replace (data->sock_to_state, GINT_TO_POINTER (pfd->fd), list);
pfd->events = get_events_from_list (list);
} else {
- g_hash_table_remove (data->sock_to_state, GINT_TO_POINTER (pfd->fd));
+ mono_g_hash_table_remove (data->sock_to_state, GINT_TO_POINTER (pfd->fd));
pfd->fd = -1;
if (i == maxfd - 1)
maxfd--;
epollfd = data->epollfd;
thread = mono_thread_current ();
thread->threadpool_thread = TRUE;
- thread->state |= ThreadState_Background;
+ ves_icall_System_Threading_Thread_SetState (thread, ThreadState_Background);
events = g_new0 (struct epoll_event, nevents);
while (1) {
do {
if (ready == -1) {
- if ((thread->state & ThreadState_StopRequested) != 0) {
- g_free (events);
- close (epollfd);
+ if (THREAD_WANTS_A_BREAK (thread))
mono_thread_interruption_checkpoint ();
- g_assert_not_reached ();
- }
}
#ifdef EPOLL_DEBUG
g_print ("epoll_wait init\n");
for (i = 0; i < ready; i++) {
int fd;
- GSList *list;
+ MonoMList *list;
evt = &events [i];
fd = evt->data.fd;
- list = g_hash_table_lookup (data->sock_to_state, GINT_TO_POINTER (fd));
+ list = mono_g_hash_table_lookup (data->sock_to_state, GINT_TO_POINTER (fd));
#ifdef EPOLL_DEBUG
- g_print ("Event %d on %d list length: %d\n", evt->events, fd, g_slist_length (list));
+ g_print ("Event %d on %d list length: %d\n", evt->events, fd, mono_mlist_length (list));
#endif
if (list != NULL && (evt->events & (EPOLLIN | EPOLL_ERRORS)) != 0) {
list = process_io_event (list, MONO_POLLIN);
}
if (list != NULL) {
- g_hash_table_replace (data->sock_to_state, GINT_TO_POINTER (fd), list);
+ mono_g_hash_table_replace (data->sock_to_state, GINT_TO_POINTER (fd), list);
evt->events = get_events_from_list (list);
#ifdef EPOLL_DEBUG
g_print ("MOD %d to %d\n", fd, evt->events);
}
}
} else {
- g_hash_table_remove (data->sock_to_state, GINT_TO_POINTER (fd));
+ mono_g_hash_table_remove (data->sock_to_state, GINT_TO_POINTER (fd));
#ifdef EPOLL_DEBUG
g_print ("DEL %d\n", fd);
#endif
}
#endif
+/*
+ * select/poll wake up when a socket is closed, but epoll just removes
+ * the socket from its internal list without notification.
+ */
+void
+mono_thread_pool_remove_socket (int sock)
+{
+#ifdef HAVE_EPOLL
+ MonoMList *list, *next;
+ MonoSocketAsyncResult *state;
+
+ if (socket_io_data.epoll_disabled == TRUE || socket_io_data.inited == FALSE)
+ return;
+
+ EnterCriticalSection (&socket_io_data.io_lock);
+ list = mono_g_hash_table_lookup (socket_io_data.sock_to_state, GINT_TO_POINTER (sock));
+ if (list) {
+ mono_g_hash_table_remove (socket_io_data.sock_to_state, GINT_TO_POINTER (sock));
+ }
+ LeaveCriticalSection (&socket_io_data.io_lock);
+
+ while (list) {
+ state = (MonoSocketAsyncResult *) mono_mlist_get_data (list);
+ if (state->operation == AIO_OP_RECEIVE)
+ state->operation = AIO_OP_RECV_JUST_CALLBACK;
+ else if (state->operation == AIO_OP_SEND)
+ state->operation = AIO_OP_SEND_JUST_CALLBACK;
+
+ next = mono_mlist_remove_item (list, list);
+ list = process_io_event (list, MONO_POLLIN);
+ if (list)
+ process_io_event (list, MONO_POLLOUT);
+
+ list = next;
+ }
+#endif
+}
+
#ifdef PLATFORM_WIN32
static void
connect_hack (gpointer x)
g_assert (data->pipe [0] != INVALID_SOCKET);
closesocket (srv);
#endif
+ mono_io_max_worker_threads = mono_max_worker_threads / 2;
+ if (mono_io_max_worker_threads < 10)
+ mono_io_max_worker_threads = 10;
- data->sock_to_state = g_hash_table_new (g_direct_hash, g_direct_equal);
+ data->sock_to_state = mono_g_hash_table_new_type (g_direct_hash, g_direct_equal, MONO_HASH_VALUE_GC);
- if (data->epoll_disabled)
+ if (data->epoll_disabled) {
data->new_sem = CreateSemaphore (NULL, 1, 1, NULL);
+ g_assert (data->new_sem != NULL);
+ }
io_job_added = CreateSemaphore (NULL, 0, 0x7fffffff, NULL);
+ g_assert (io_job_added != NULL);
InitializeCriticalSection (&io_queue_lock);
if (data->epoll_disabled) {
mono_thread_create (mono_get_root_domain (), socket_io_poll_main, data);
{
int events;
char msg [1];
- GSList *list;
+ MonoMList *list;
SocketIOData *data = &socket_io_data;
+#if defined(PLATFORM_MACOSX) || defined(PLATFORM_BSD6) || defined(PLATFORM_WIN32)
+ /* select() for connect() does not work well on the Mac. Bug #75436. */
+ /* Bug #77637 for the BSD 6 case */
+ /* Bug #78888 for the Windows case */
+ if (state->operation == AIO_OP_CONNECT && state->blocking == TRUE) {
+ start_io_thread_or_queue (state);
+ return;
+ }
+#endif
WaitForSingleObject (data->new_sem, INFINITE);
if (data->newpfd == NULL)
data->newpfd = g_new0 (mono_pollfd, 1);
EnterCriticalSection (&data->io_lock);
- list = g_hash_table_lookup (data->sock_to_state, GINT_TO_POINTER (state->handle));
+ /* FIXME: 64 bit issue: handle can be a pointer on windows? */
+ list = mono_g_hash_table_lookup (data->sock_to_state, GINT_TO_POINTER (state->handle));
if (list == NULL) {
- list = g_slist_alloc ();
- list->data = state;
+ list = mono_mlist_alloc ((MonoObject*)state);
} else {
- list = g_slist_append (list, state);
+ list = mono_mlist_append (list, (MonoObject*)state);
}
events = get_events_from_list (list);
INIT_POLLFD (data->newpfd, GPOINTER_TO_INT (state->handle), events);
- g_hash_table_replace (data->sock_to_state, GINT_TO_POINTER (state->handle), list);
+ mono_g_hash_table_replace (data->sock_to_state, GINT_TO_POINTER (state->handle), list);
LeaveCriticalSection (&data->io_lock);
*msg = (char) state->operation;
#ifndef PLATFORM_WIN32
static gboolean
socket_io_add_epoll (MonoSocketAsyncResult *state)
{
- GSList *list;
+ MonoMList *list;
SocketIOData *data = &socket_io_data;
struct epoll_event event;
int epoll_op, ievt;
memset (&event, 0, sizeof (struct epoll_event));
fd = GPOINTER_TO_INT (state->handle);
EnterCriticalSection (&data->io_lock);
- list = g_hash_table_lookup (data->sock_to_state, GINT_TO_POINTER (fd));
+ list = mono_g_hash_table_lookup (data->sock_to_state, GINT_TO_POINTER (fd));
if (list == NULL) {
- list = g_slist_alloc ();
- list->data = state;
+ list = mono_mlist_alloc ((MonoObject*)state);
epoll_op = EPOLL_CTL_ADD;
} else {
- list = g_slist_append (list, state);
+ list = mono_mlist_append (list, (MonoObject*)state);
epoll_op = EPOLL_CTL_MOD;
}
if ((ievt & MONO_POLLOUT) != 0)
event.events |= EPOLLOUT;
- g_hash_table_replace (data->sock_to_state, state->handle, list);
+ mono_g_hash_table_replace (data->sock_to_state, state->handle, list);
event.data.fd = fd;
#ifdef EPOLL_DEBUG
g_print ("%s %d with %d\n", epoll_op == EPOLL_CTL_ADD ? "ADD" : "MOD", fd, event.events);
socket_io_add (MonoAsyncResult *ares, MonoSocketAsyncResult *state)
{
socket_io_init (&socket_io_data);
- state->ares = ares;
+ MONO_OBJECT_SETREF (state, ares, ares);
#ifdef HAVE_EPOLL
if (socket_io_data.epoll_disabled == FALSE) {
if (socket_io_add_epoll (state))
if (target == NULL || state == NULL)
return FALSE;
- klass = InterlockedCompareExchangePointer ((gpointer *) &socket_async_call_klass, NULL, NULL);
- if (klass == NULL) {
- MonoImage *system_assembly = mono_image_loaded ("System");
-
- if (system_assembly == NULL)
- return FALSE;
-
- klass = mono_class_from_name (system_assembly, "System.Net.Sockets", "Socket/SocketAsyncCall");
- if (klass == NULL) {
- /* Should never happen... */
- g_print ("socket_io_filter: SocketAsyncCall class not found.\n");
- return FALSE;
- }
-
- InterlockedCompareExchangePointer ((gpointer *) &socket_async_call_klass, klass, NULL);
+ if (socket_async_call_klass == NULL) {
+ klass = target->vtable->klass;
+ /* Check if it's SocketAsyncCall in System.Net.Sockets
+ * FIXME: check the assembly is signed correctly for extra care
+ */
+ if (klass->name [0] == 'S' && strcmp (klass->name, "SocketAsyncCall") == 0
+ && strcmp (mono_image_get_name (klass->image), "System") == 0
+ && klass->nested_in && strcmp (klass->nested_in->name, "Socket") == 0)
+ socket_async_call_klass = klass;
}
- if (target->vtable->klass != klass)
+ if (process_async_call_klass == NULL) {
+ klass = target->vtable->klass;
+ /* Check if it's AsyncReadHandler in System.Diagnostics.Process
+ * FIXME: check the assembly is signed correctly for extra care
+ */
+ if (klass->name [0] == 'A' && strcmp (klass->name, "AsyncReadHandler") == 0
+ && strcmp (mono_image_get_name (klass->image), "System") == 0
+ && klass->nested_in && strcmp (klass->nested_in->name, "Process") == 0)
+ process_async_call_klass = klass;
+ }
+ /* return both when socket_async_call_klass has not been seen yet and when
+ * the object is not an instance of the class.
+ */
+ if (target->vtable->klass != socket_async_call_klass && target->vtable->klass != process_async_call_klass)
return FALSE;
op = sock_res->operation;
static void
mono_async_invoke (MonoAsyncResult *ares)
{
- ASyncCall *ac = (ASyncCall *)ares->data;
+ ASyncCall *ac = (ASyncCall *)ares->object_data;
+ MonoThread *thread = NULL;
+ MonoObject *res, *exc = NULL;
+ MonoArray *out_args = NULL;
+
+ if (ares->execution_context) {
+ /* use captured ExecutionContext (if available) */
+ thread = mono_thread_current ();
+ MONO_OBJECT_SETREF (ares, original_context, thread->execution_context);
+ MONO_OBJECT_SETREF (thread, execution_context, ares->execution_context);
+ } else {
+ ares->original_context = NULL;
+ }
ac->msg->exc = NULL;
- ac->res = mono_message_invoke (ares->async_delegate, ac->msg,
- &ac->msg->exc, &ac->out_args);
+ res = mono_message_invoke (ares->async_delegate, ac->msg, &exc, &out_args);
+ MONO_OBJECT_SETREF (ac, res, res);
+ MONO_OBJECT_SETREF (ac, msg->exc, exc);
+ MONO_OBJECT_SETREF (ac, out_args, out_args);
ares->completed = 1;
MonoObject *exc = NULL;
void *pa = &ares;
mono_runtime_invoke (ac->cb_method, ac->cb_target, pa, &exc);
- if (!ac->msg->exc)
- ac->msg->exc = exc;
+ /* 'exc' will be the previous ac->msg->exc if not NULL and not
+ * catched. If catched, this will be set to NULL and the
+ * exception will not be printed. */
+ MONO_OBJECT_SETREF (ac->msg, exc, exc);
+ }
+
+ /* restore original thread execution context if flow isn't suppressed, i.e. non null */
+ if (ares->original_context) {
+ MONO_OBJECT_SETREF (thread, execution_context, ares->original_context);
+ ares->original_context = NULL;
}
/* notify listeners */
mono_monitor_enter ((MonoObject *) ares);
if (ares->handle != NULL) {
- ac->wait_event = ((MonoWaitHandle *) ares->handle)->handle;
- SetEvent (ac->wait_event);
+ ac->wait_event = (gsize) mono_wait_handle_get_handle ((MonoWaitHandle *) ares->handle);
+ SetEvent ((gpointer)(gsize)ac->wait_event);
}
mono_monitor_exit ((MonoObject *) ares);
return;
MONO_GC_REGISTER_ROOT (ares_htable);
+ MONO_GC_REGISTER_ROOT (socket_io_data.sock_to_state);
InitializeCriticalSection (&socket_io_data.io_lock);
InitializeCriticalSection (&ares_lock);
- ares_htable = mono_g_hash_table_new (NULL, NULL);
+ ares_htable = mono_g_hash_table_new_type (NULL, NULL, MONO_HASH_KEY_VALUE_GC);
job_added = CreateSemaphore (NULL, 0, 0x7fffffff, NULL);
+ g_assert (job_added != NULL);
GetSystemInfo (&info);
- if (getenv ("MONO_THREADS_PER_CPU") != NULL) {
- threads_per_cpu = atoi (getenv ("MONO_THREADS_PER_CPU"));
+ if (g_getenv ("MONO_THREADS_PER_CPU") != NULL) {
+ threads_per_cpu = atoi (g_getenv ("MONO_THREADS_PER_CPU"));
if (threads_per_cpu <= 0)
threads_per_cpu = THREADS_PER_CPU;
}
- mono_max_worker_threads = threads_per_cpu * info.dwNumberOfProcessors;
+ mono_max_worker_threads = 20 + threads_per_cpu * info.dwNumberOfProcessors;
+
+ async_call_klass = mono_class_from_name (mono_defaults.corlib, "System", "MonoAsyncCall");
+ g_assert (async_call_klass);
}
MonoAsyncResult *
MonoAsyncResult *ares;
ASyncCall *ac;
-#ifdef HAVE_BOEHM_GC
- ac = GC_MALLOC (sizeof (ASyncCall));
-#else
- /* We'll leak the event if creaated... */
- ac = g_new0 (ASyncCall, 1);
-#endif
- ac->wait_event = NULL;
- ac->msg = msg;
- ac->state = state;
+ ac = (ASyncCall*)mono_object_new (mono_domain_get (), async_call_klass);
+ MONO_OBJECT_SETREF (ac, msg, msg);
+ MONO_OBJECT_SETREF (ac, state, state);
if (async_callback) {
ac->cb_method = mono_get_delegate_invoke (((MonoObject *)async_callback)->vtable->klass);
- ac->cb_target = async_callback;
+ MONO_OBJECT_SETREF (ac, cb_target, async_callback);
}
- ares = mono_async_result_new (domain, NULL, ac->state, ac);
- ares->async_delegate = target;
+ ares = mono_async_result_new (domain, NULL, ac->state, NULL, (MonoObject*)ac);
+ MONO_OBJECT_SETREF (ares, async_delegate, target);
EnterCriticalSection (&ares_lock);
mono_g_hash_table_insert (ares_htable, ares, ares);
start_thread_or_queue (MonoAsyncResult *ares)
{
int busy, worker;
- MonoDomain *domain;
busy = (int) InterlockedCompareExchange (&busy_worker_threads, 0, -1);
worker = (int) InterlockedCompareExchange (&mono_worker_threads, 0, -1);
worker < mono_max_worker_threads) {
InterlockedIncrement (&mono_worker_threads);
InterlockedIncrement (&busy_worker_threads);
- domain = ((MonoObject *) ares)->vtable->domain;
- mono_thread_create (domain, async_invoke_thread, ares);
+ mono_thread_create (mono_get_root_domain (), async_invoke_thread, ares);
} else {
- append_job (&mono_delegate_section, &async_call_queue, ares);
+ append_job (&mono_delegate_section, &async_call_queue, (MonoObject*)ares);
ReleaseSemaphore (job_added, 1, NULL);
}
}
}
ares->endinvoke_called = 1;
- ac = (ASyncCall *)ares->data;
+ ac = (ASyncCall *)ares->object_data;
g_assert (ac != NULL);
/* wait until we are really finished */
if (!ares->completed) {
if (ares->handle == NULL) {
- ac->wait_event = CreateEvent (NULL, TRUE, FALSE, NULL);
- ares->handle = (MonoObject *) mono_wait_handle_new (mono_object_domain (ares), ac->wait_event);
+ ac->wait_event = (gsize)CreateEvent (NULL, TRUE, FALSE, NULL);
+ g_assert(ac->wait_event != 0);
+ MONO_OBJECT_SETREF (ares, handle, (MonoObject *) mono_wait_handle_new (mono_object_domain (ares), (gpointer)(gsize)ac->wait_event));
}
mono_monitor_exit ((MonoObject *) ares);
- WaitForSingleObjectEx (ac->wait_event, INFINITE, TRUE);
+ WaitForSingleObjectEx ((gpointer)(gsize)ac->wait_event, INFINITE, TRUE);
} else {
mono_monitor_exit ((MonoObject *) ares);
}
- *exc = ac->msg->exc;
+ *exc = ac->msg->exc; /* FIXME: GC add write barrier */
*out_args = ac->out_args;
return ac->res;
gint release;
EnterCriticalSection (&mono_delegate_section);
- g_list_free (async_call_queue);
- async_call_queue = NULL;
+ free_queue (&async_call_queue);
release = (gint) InterlockedCompareExchange (&mono_worker_threads, 0, -1);
LeaveCriticalSection (&mono_delegate_section);
if (job_added)
}
static void
-append_job (CRITICAL_SECTION *cs, GList **plist, gpointer ar)
+append_job (CRITICAL_SECTION *cs, TPQueue *list, MonoObject *ar)
{
- GList *tmp, *list;
-
EnterCriticalSection (cs);
- list = *plist;
- if (list == NULL) {
- list = g_list_append (list, ar);
+ if (list->array && (list->next_elem < mono_array_length (list->array))) {
+ mono_array_setref (list->array, list->next_elem, ar);
+ list->next_elem++;
+ LeaveCriticalSection (cs);
+ return;
+ }
+ if (!list->array) {
+ MONO_GC_REGISTER_ROOT (list->array);
+ list->array = mono_array_new (mono_get_root_domain (), mono_defaults.object_class, 16);
} else {
- for (tmp = list; tmp && tmp->data != NULL; tmp = tmp->next);
- if (tmp == NULL) {
- list = g_list_append (list, ar);
+ int count = list->next_elem - list->first_elem;
+ /* slide the array or create a larger one if it's full */
+ if (list->first_elem) {
+ mono_array_memcpy_refs (list->array, 0, list->array, list->first_elem, count);
} else {
- tmp->data = ar;
+ MonoArray *newa = mono_array_new (mono_get_root_domain (), mono_defaults.object_class, mono_array_length (list->array) * 2);
+ mono_array_memcpy_refs (newa, 0, list->array, list->first_elem, count);
+ list->array = newa;
}
+ list->first_elem = 0;
+ list->next_elem = count;
}
- *plist = list;
+ mono_array_setref (list->array, list->next_elem, ar);
+ list->next_elem++;
LeaveCriticalSection (cs);
}
-static gpointer
-dequeue_job (CRITICAL_SECTION *cs, GList **plist)
+static MonoObject*
+dequeue_job (CRITICAL_SECTION *cs, TPQueue *list)
{
- gpointer ar = NULL;
- GList *tmp, *tmp2, *list;
+ MonoObject *ar;
+ int count;
EnterCriticalSection (cs);
- list = *plist;
- tmp = list;
- if (tmp) {
- ar = tmp->data;
- tmp->data = NULL;
- tmp2 = tmp;
- for (tmp2 = tmp; tmp2->next != NULL; tmp2 = tmp2->next);
- if (tmp2 != tmp) {
- list = tmp->next;
- tmp->next = NULL;
- tmp2->next = tmp;
- tmp->prev = tmp2;
- }
+ if (!list->array || list->first_elem == list->next_elem) {
+ LeaveCriticalSection (cs);
+ return NULL;
+ }
+ ar = mono_array_get (list->array, MonoObject*, list->first_elem);
+ list->first_elem++;
+ count = list->next_elem - list->first_elem;
+ /* reduce the size of the array if it's mostly empty */
+ if (mono_array_length (list->array) > 16 && count < (mono_array_length (list->array) / 3)) {
+ MonoArray *newa = mono_array_new (mono_get_root_domain (), mono_defaults.object_class, mono_array_length (list->array) / 2);
+ mono_array_memcpy_refs (newa, 0, list->array, list->first_elem, count);
+ list->array = newa;
+ list->first_elem = 0;
+ list->next_elem = count;
}
- *plist = list;
LeaveCriticalSection (cs);
return ar;
}
+static void
+free_queue (TPQueue *list)
+{
+ list->array = NULL;
+ list->first_elem = list->next_elem = 0;
+}
+
static void
async_invoke_thread (gpointer data)
{
thread = mono_thread_current ();
thread->threadpool_thread = TRUE;
- thread->state |= ThreadState_Background;
+ ves_icall_System_Threading_Thread_SetState (thread, ThreadState_Background);
for (;;) {
MonoAsyncResult *ar;
/* worker threads invokes methods in different domains,
* so we need to set the right domain here */
domain = ((MonoObject *)ar)->vtable->domain;
+ mono_thread_push_appdomain_ref (domain);
if (mono_domain_set (domain, FALSE)) {
- mono_thread_push_appdomain_ref (domain);
+ ASyncCall *ac;
+
mono_async_invoke (ar);
- mono_thread_pop_appdomain_ref ();
+ ac = (ASyncCall *) ar->object_data;
+ /*
+ if (ac->msg->exc != NULL)
+ mono_unhandled_exception (ac->msg->exc);
+ */
+ mono_domain_set (mono_get_root_domain (), TRUE);
}
+ mono_thread_pop_appdomain_ref ();
InterlockedDecrement (&busy_worker_threads);
}
data = dequeue_job (&mono_delegate_section, &async_call_queue);
-
+
if (!data) {
guint32 wr;
int timeout = 10000;
do {
wr = WaitForSingleObjectEx (job_added, (guint32)timeout, TRUE);
- if ((thread->state & ThreadState_StopRequested)!=0)
+ if (THREAD_WANTS_A_BREAK (thread))
mono_thread_interruption_checkpoint ();
timeout -= GetTickCount () - start_time;
while (!data && workers <= min) {
WaitForSingleObjectEx (job_added, INFINITE, TRUE);
- if ((thread->state & ThreadState_StopRequested)!=0)
+ if (THREAD_WANTS_A_BREAK (thread))
mono_thread_interruption_checkpoint ();
data = dequeue_job (&mono_delegate_section, &async_call_queue);
void
ves_icall_System_Threading_ThreadPool_GetAvailableThreads (gint *workerThreads, gint *completionPortThreads)
{
- gint busy;
+ gint busy, busy_io;
MONO_ARCH_SAVE_REGS;
busy = (gint) InterlockedCompareExchange (&busy_worker_threads, 0, -1);
+ busy_io = (gint) InterlockedCompareExchange (&busy_io_worker_threads, 0, -1);
*workerThreads = mono_max_worker_threads - busy;
- *completionPortThreads = 0;
+ *completionPortThreads = mono_io_max_worker_threads - busy_io;
}
void
MONO_ARCH_SAVE_REGS;
*workerThreads = mono_max_worker_threads;
- *completionPortThreads = 0;
+ *completionPortThreads = mono_io_max_worker_threads;
}
void
ves_icall_System_Threading_ThreadPool_GetMinThreads (gint *workerThreads, gint *completionPortThreads)
{
- gint workers;
+ gint workers, workers_io;
MONO_ARCH_SAVE_REGS;
workers = (gint) InterlockedCompareExchange (&mono_min_worker_threads, 0, -1);
+ workers_io = (gint) InterlockedCompareExchange (&mono_io_min_worker_threads, 0, -1);
+
*workerThreads = workers;
- *completionPortThreads = 0;
+ *completionPortThreads = workers_io;
}
MonoBoolean
if (workerThreads < 0 || workerThreads > mono_max_worker_threads)
return FALSE;
+
+ if (completionPortThreads < 0 || completionPortThreads > mono_io_max_worker_threads)
+ return FALSE;
+
InterlockedExchange (&mono_min_worker_threads, workerThreads);
+ InterlockedExchange (&mono_io_min_worker_threads, completionPortThreads);
/* FIXME: should actually start the idle threads if needed */
return TRUE;
}
+MonoBoolean
+ves_icall_System_Threading_ThreadPool_SetMaxThreads (gint workerThreads, gint completionPortThreads)
+{
+ MONO_ARCH_SAVE_REGS;
+
+ if (workerThreads < mono_max_worker_threads)
+ return FALSE;
+
+ if (completionPortThreads < mono_io_max_worker_threads)
+ return FALSE;
+
+ InterlockedExchange (&mono_max_worker_threads, workerThreads);
+ InterlockedExchange (&mono_io_max_worker_threads, completionPortThreads);
+ return TRUE;
+}
projects / mono.git / blobdiff