#include "config.h"
#ifdef HAVE_SGEN_GC
-#include "metadata/sgen-gc.h"
-#include "metadata/sgen-protocol.h"
-#include "metadata/sgen-memory-governor.h"
-#include "metadata/sgen-thread-pool.h"
+#include "sgen/sgen-gc.h"
+#include "sgen/sgen-protocol.h"
+#include "sgen/sgen-memory-governor.h"
+#include "sgen/sgen-thread-pool.h"
#include "metadata/profiler-private.h"
-#include "metadata/sgen-client.h"
-#include "utils/mono-time.h"
+#include "sgen/sgen-client.h"
+#include "metadata/sgen-bridge-internal.h"
+#include "metadata/gc-internal.h"
#define TV_DECLARE SGEN_TV_DECLARE
#define TV_GETTIME SGEN_TV_GETTIME
#define TV_ELAPSED SGEN_TV_ELAPSED
-static int sgen_unified_suspend_restart_world (void);
-static int sgen_unified_suspend_stop_world (void);
+static void sgen_unified_suspend_restart_world (void);
+static void sgen_unified_suspend_stop_world (void);
+
+unsigned int sgen_global_stop_count = 0;
inline static void*
align_pointer (void *ptr)
#endif
SgenThreadInfo *info = mono_thread_info_current ();
- info->stack_start = align_pointer (&stack_guard);
- g_assert (info->stack_start >= info->stack_start_limit && info->stack_start < info->stack_end);
+ info->client_info.stack_start = align_pointer (&stack_guard);
+ g_assert (info->client_info.stack_start >= info->client_info.stack_start_limit && info->client_info.stack_start < info->client_info.stack_end);
#ifdef USE_MONO_CTX
MONO_CONTEXT_GET_CURRENT (cur_thread_ctx);
- memcpy (&info->ctx, &cur_thread_ctx, sizeof (MonoContext));
+ memcpy (&info->client_info.ctx, &cur_thread_ctx, sizeof (MonoContext));
if (mono_gc_get_gc_callbacks ()->thread_suspend_func)
- mono_gc_get_gc_callbacks ()->thread_suspend_func (info->runtime_data, NULL, &info->ctx);
+ mono_gc_get_gc_callbacks ()->thread_suspend_func (info->client_info.runtime_data, NULL, &info->client_info.ctx);
#else
ARCH_STORE_REGS (reg_ptr);
- memcpy (&info->regs, reg_ptr, sizeof (info->regs));
+ memcpy (&info->client_info.regs, reg_ptr, sizeof (info->client_info.regs));
if (mono_gc_get_gc_callbacks ()->thread_suspend_func)
- mono_gc_get_gc_callbacks ()->thread_suspend_func (info->runtime_data, NULL, NULL);
+ mono_gc_get_gc_callbacks ()->thread_suspend_func (info->client_info.runtime_data, NULL, NULL);
#endif
}
allocator */
FOREACH_THREAD_SAFE (info) {
gboolean result;
- if (info->skip || info->gc_disabled || info->suspend_done)
+ if (info->client_info.skip || info->client_info.gc_disabled || info->client_info.suspend_done)
continue;
- if (mono_thread_info_is_live (info) && (!info->stack_start || info->in_critical_region || info->info.inside_critical_region ||
- is_ip_in_managed_allocator (info->stopped_domain, info->stopped_ip))) {
+ if (mono_thread_info_is_live (info) &&
+ (!info->client_info.stack_start || info->client_info.in_critical_region || info->client_info.info.inside_critical_region ||
+ is_ip_in_managed_allocator (info->client_info.stopped_domain, info->client_info.stopped_ip))) {
binary_protocol_thread_restart ((gpointer)mono_thread_info_get_tid (info));
- SGEN_LOG (3, "thread %p resumed.", (void*) (size_t) info->info.native_handle);
+ SGEN_LOG (3, "thread %p resumed.", (void*) (size_t) info->client_info.info.native_handle);
result = sgen_resume_thread (info);
if (result) {
++restart_count;
} else {
- info->skip = 1;
+ info->client_info.skip = 1;
}
} else {
/* we set the stopped_ip to
we're not restarting so
that we can easily identify
the others */
- info->stopped_ip = NULL;
- info->stopped_domain = NULL;
- info->suspend_done = TRUE;
+ info->client_info.stopped_ip = NULL;
+ info->client_info.stopped_domain = NULL;
+ info->client_info.suspend_done = TRUE;
}
} END_FOREACH_THREAD_SAFE
/* if no threads were restarted, we're done */
/* stop them again */
FOREACH_THREAD (info) {
gboolean result;
- if (info->skip || info->stopped_ip == NULL)
+ if (info->client_info.skip || info->client_info.stopped_ip == NULL)
continue;
result = sgen_suspend_thread (info);
if (result) {
++restarted_count;
} else {
- info->skip = 1;
+ info->client_info.skip = 1;
}
} END_FOREACH_THREAD
/* some threads might have died */
static guint64 time_restart_world;
/* LOCKING: assumes the GC lock is held */
-int
+void
sgen_client_stop_world (int generation)
{
TV_DECLARE (end_handshake);
- int count, dead;
/* notify the profiler of the leftovers */
/* FIXME this is the wrong spot at we can STW for non collection reasons. */
/* We start to scan after locks are taking, this ensures we won't be interrupted. */
sgen_process_togglerefs ();
- update_current_thread_stack (&count);
+ update_current_thread_stack (&generation);
sgen_global_stop_count++;
SGEN_LOG (3, "stopping world n %d from %p %p", sgen_global_stop_count, mono_thread_info_current (), (gpointer)mono_native_thread_id_get ());
TV_GETTIME (stop_world_time);
if (mono_thread_info_unified_management_enabled ()) {
- count = sgen_unified_suspend_stop_world ();
+ sgen_unified_suspend_stop_world ();
} else {
+ int count, dead;
count = sgen_thread_handshake (TRUE);
dead = restart_threads_until_none_in_managed_allocator ();
if (count < dead)
g_error ("More threads have died (%d) that been initialy suspended %d", dead, count);
- count -= dead;
}
- SGEN_LOG (3, "world stopped %d thread(s)", count);
+ SGEN_LOG (3, "world stopped");
TV_GETTIME (end_handshake);
time_stop_world += TV_ELAPSED (stop_world_time, end_handshake);
sgen_memgov_collection_start (generation);
if (sgen_need_bridge_processing ())
sgen_bridge_reset_data ();
-
- return count;
}
/* LOCKING: assumes the GC lock is held */
-int
+void
sgen_client_restart_world (int generation, GGTimingInfo *timing)
{
- int count;
SgenThreadInfo *info;
TV_DECLARE (end_sw);
TV_DECLARE (start_handshake);
mono_sgen_gc_event_moves ();
FOREACH_THREAD (info) {
- info->stack_start = NULL;
+ info->client_info.stack_start = NULL;
#ifdef USE_MONO_CTX
- memset (&info->ctx, 0, sizeof (MonoContext));
+ memset (&info->client_info.ctx, 0, sizeof (MonoContext));
#else
- memset (&info->regs, 0, sizeof (info->regs));
+ memset (&info->client_info.regs, 0, sizeof (info->client_info.regs));
#endif
} END_FOREACH_THREAD
TV_GETTIME (start_handshake);
if (mono_thread_info_unified_management_enabled ())
- count = sgen_unified_suspend_restart_world ();
+ sgen_unified_suspend_restart_world ();
else
- count = sgen_thread_handshake (FALSE);
-
+ sgen_thread_handshake (FALSE);
TV_GETTIME (end_sw);
time_restart_world += TV_ELAPSED (start_handshake, end_sw);
usec = TV_ELAPSED (stop_world_time, end_sw);
max_pause_usec = MAX (usec, max_pause_usec);
- SGEN_LOG (2, "restarted %d thread(s) (pause time: %d usec, max: %d)", count, (int)usec, (int)max_pause_usec);
+ SGEN_LOG (2, "restarted (pause time: %d usec, max: %d)", (int)usec, (int)max_pause_usec);
/*
* We must release the thread info suspend lock after doing
timing [0].stw_time = usec;
timing [0].bridge_time = bridge_usec;
}
-
- return count;
}
void
This is used by TP and finalizer threads.
FIXME Use an atomic variable for this to avoid everyone taking the GC LOCK.
*/
- if (info->gc_disabled) {
+ if (info->client_info.gc_disabled) {
return FALSE;
}
We have detected that this thread is failing/dying, ignore it.
FIXME: can't we merge this with thread_is_dying?
*/
- if (info->skip) {
+ if (info->client_info.skip) {
return FALSE;
}
char *stack_start;
/* Once we remove the old suspend code, we should move sgen to directly access the state in MonoThread */
- info->stopped_domain = mono_thread_info_tls_get (info, TLS_KEY_DOMAIN);
- info->stopped_ip = (gpointer) MONO_CONTEXT_GET_IP (&mono_thread_info_get_suspend_state (info)->ctx);
+ info->client_info.stopped_domain = mono_thread_info_tls_get (info, TLS_KEY_DOMAIN);
+ info->client_info.stopped_ip = (gpointer) MONO_CONTEXT_GET_IP (&mono_thread_info_get_suspend_state (info)->ctx);
stack_start = (char*)MONO_CONTEXT_GET_SP (&mono_thread_info_get_suspend_state (info)->ctx) - REDZONE_SIZE;
/* altstack signal handler, sgen can't handle them, mono-threads should have handled this. */
- if (stack_start < (char*)info->stack_start_limit || stack_start >= (char*)info->stack_end)
+ if (stack_start < (char*)info->client_info.stack_start_limit || stack_start >= (char*)info->client_info.stack_end)
g_error ("BAD STACK");
- info->stack_start = stack_start;
+ info->client_info.stack_start = stack_start;
#ifdef USE_MONO_CTX
- info->ctx = mono_thread_info_get_suspend_state (info)->ctx;
+ info->client_info.ctx = mono_thread_info_get_suspend_state (info)->ctx;
#else
g_assert_not_reached ();
#endif
}
-static int
+static void
sgen_unified_suspend_stop_world (void)
{
int restart_counter;
SgenThreadInfo *info;
- int count = 0;
int sleep_duration = -1;
mono_threads_begin_global_suspend ();
THREADS_STW_DEBUG ("[GC-STW-BEGIN] *** BEGIN SUSPEND *** \n");
FOREACH_THREAD_SAFE (info) {
- info->skip = FALSE;
- info->suspend_done = FALSE;
+ info->client_info.skip = FALSE;
+ info->client_info.suspend_done = FALSE;
if (sgen_is_thread_in_current_stw (info)) {
- info->skip = !mono_thread_info_begin_suspend (info, FALSE);
- THREADS_STW_DEBUG ("[GC-STW-BEGIN-SUSPEND] SUSPEND thread %p skip %d\n", mono_thread_info_get_tid (info), info->skip);
- if (!info->skip)
- ++count;
+ info->client_info.skip = !mono_thread_info_begin_suspend (info, FALSE);
+ THREADS_STW_DEBUG ("[GC-STW-BEGIN-SUSPEND] SUSPEND thread %p skip %d\n", mono_thread_info_get_tid (info), info->client_info.skip);
} else {
- THREADS_STW_DEBUG ("[GC-STW-BEGIN-SUSPEND] IGNORE thread %p skip %d\n", mono_thread_info_get_tid (info), info->skip);
+ THREADS_STW_DEBUG ("[GC-STW-BEGIN-SUSPEND] IGNORE thread %p skip %d\n", mono_thread_info_get_tid (info), info->client_info.skip);
}
} END_FOREACH_THREAD_SAFE
- mono_thread_info_current ()->suspend_done = TRUE;
+ mono_thread_info_current ()->client_info.suspend_done = TRUE;
mono_threads_wait_pending_operations ();
for (;;) {
restart_counter = 0;
FOREACH_THREAD_SAFE (info) {
- if (info->suspend_done || !sgen_is_thread_in_current_stw (info)) {
- THREADS_STW_DEBUG ("[GC-STW-RESTART] IGNORE thread %p not been processed done %d current %d\n", mono_thread_info_get_tid (info), info->suspend_done, !sgen_is_thread_in_current_stw (info));
+ if (info->client_info.suspend_done || !sgen_is_thread_in_current_stw (info)) {
+ THREADS_STW_DEBUG ("[GC-STW-RESTART] IGNORE thread %p not been processed done %d current %d\n", mono_thread_info_get_tid (info), info->client_info.suspend_done, !sgen_is_thread_in_current_stw (info));
continue;
}
*/
if (!mono_threads_core_check_suspend_result (info)) {
THREADS_STW_DEBUG ("[GC-STW-RESTART] SKIP thread %p failed to finish to suspend\n", mono_thread_info_get_tid (info));
- info->skip = TRUE;
+ info->client_info.skip = TRUE;
} else if (mono_thread_info_in_critical_location (info)) {
gboolean res;
g_assert (mono_thread_info_suspend_count (info) == 1);
if (res)
++restart_counter;
else
- info->skip = TRUE;
+ info->client_info.skip = TRUE;
} else {
THREADS_STW_DEBUG ("[GC-STW-RESTART] DONE thread %p deemed fully suspended\n", mono_thread_info_get_tid (info));
- g_assert (!info->in_critical_region);
- info->suspend_done = TRUE;
+ g_assert (!info->client_info.in_critical_region);
+ info->client_info.suspend_done = TRUE;
}
} END_FOREACH_THREAD_SAFE
gboolean res = mono_thread_info_begin_suspend (info, FALSE);
THREADS_STW_DEBUG ("[GC-STW-RESTART] SUSPEND thread %p skip %d\n", mono_thread_info_get_tid (info), res);
if (!res)
- info->skip = TRUE;
+ info->client_info.skip = TRUE;
}
} END_FOREACH_THREAD_SAFE
FOREACH_THREAD_SAFE (info) {
if (sgen_is_thread_in_current_stw (info)) {
THREADS_STW_DEBUG ("[GC-STW-SUSPEND-END] thread %p is suspended\n", mono_thread_info_get_tid (info));
- g_assert (info->suspend_done);
+ g_assert (info->client_info.suspend_done);
update_sgen_info (info);
} else {
- g_assert (!info->suspend_done || info == mono_thread_info_current ());
+ g_assert (!info->client_info.suspend_done || info == mono_thread_info_current ());
}
} END_FOREACH_THREAD_SAFE
-
- return count;
}
-static int
+static void
sgen_unified_suspend_restart_world (void)
{
SgenThreadInfo *info;
- int count = 0;
THREADS_STW_DEBUG ("[GC-STW-END] *** BEGIN RESUME ***\n");
FOREACH_THREAD_SAFE (info) {
if (sgen_is_thread_in_current_stw (info)) {
g_assert (mono_thread_info_begin_resume (info));
THREADS_STW_DEBUG ("[GC-STW-RESUME-WORLD] RESUME thread %p\n", mono_thread_info_get_tid (info));
- ++count;
} else {
THREADS_STW_DEBUG ("[GC-STW-RESUME-WORLD] IGNORE thread %p\n", mono_thread_info_get_tid (info));
}
mono_threads_wait_pending_operations ();
mono_threads_end_global_suspend ();
- return count;
}
#endif
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