#include "config.h"
-#if defined(__MACH__)
+/* For pthread_main_np, pthread_get_stackaddr_np and pthread_get_stacksize_np */
+#if defined (__MACH__)
+#define _DARWIN_C_SOURCE 1
+#endif
+
+#include <mono/utils/mono-threads.h>
+#include <mono/utils/mono-mmap.h>
+
+#if defined (USE_MACH_BACKEND)
#include <mono/utils/mach-support.h>
#include <mono/utils/mono-compiler.h>
-#include <mono/utils/mono-semaphore.h>
#include <mono/utils/mono-threads.h>
#include <mono/utils/hazard-pointer.h>
-#include <mono/metadata/gc-internal.h>
-#include <mono/metadata/appdomain.h>
-#include <mono/metadata/threads-types.h>
-
-#include <pthread.h>
-#include <errno.h>
void
mono_threads_init_platform (void)
-{
+{
+ mono_threads_init_dead_letter ();
}
-void
-mono_threads_core_interrupt (MonoThreadInfo *info)
+#if defined(HOST_WATCHOS) || defined(HOST_TVOS)
+
+gboolean
+mono_threads_core_begin_async_suspend (MonoThreadInfo *info, gboolean interrupt_kernel)
{
- thread_abort (info->native_handle);
+ g_assert_not_reached ();
}
-void
-mono_threads_core_abort_syscall (MonoThreadInfo *info)
+gboolean
+mono_threads_core_check_suspend_result (MonoThreadInfo *info)
{
+ g_assert_not_reached ();
}
gboolean
-mono_threads_core_needs_abort_syscall (void)
+mono_threads_core_begin_async_resume (MonoThreadInfo *info)
{
- return FALSE;
+ g_assert_not_reached ();
}
+#else /* defined(HOST_WATCHOS) || defined(HOST_TVOS) */
+
gboolean
-mono_threads_core_suspend (MonoThreadInfo *info)
+mono_threads_core_begin_async_suspend (MonoThreadInfo *info, gboolean interrupt_kernel)
{
kern_return_t ret;
gboolean res;
g_assert (info);
ret = thread_suspend (info->native_handle);
+ THREADS_SUSPEND_DEBUG ("SUSPEND %p -> %d\n", (void*)info->native_handle, ret);
if (ret != KERN_SUCCESS)
return FALSE;
+
+ /* We're in the middle of a self-suspend, resume and register */
+ if (!mono_threads_transition_finish_async_suspend (info)) {
+ mono_threads_add_to_pending_operation_set (info);
+ g_assert (thread_resume (info->native_handle) == KERN_SUCCESS);
+ THREADS_SUSPEND_DEBUG ("FAILSAFE RESUME/1 %p -> %d\n", (void*)info->native_handle, 0);
+ //XXX interrupt_kernel doesn't make sense in this case as the target is not in a syscall
+ return TRUE;
+ }
res = mono_threads_get_runtime_callbacks ()->
- thread_state_init_from_handle (&info->suspend_state, mono_thread_info_get_tid (info), info->native_handle);
- if (!res)
- thread_resume (info->native_handle);
+ thread_state_init_from_handle (&info->thread_saved_state [ASYNC_SUSPEND_STATE_INDEX], info);
+ THREADS_SUSPEND_DEBUG ("thread state %p -> %d\n", (void*)info->native_handle, res);
+ if (res) {
+ if (interrupt_kernel)
+ thread_abort (info->native_handle);
+ } else {
+ mono_threads_transition_async_suspend_compensation (info);
+ g_assert (thread_resume (info->native_handle) == KERN_SUCCESS);
+ THREADS_SUSPEND_DEBUG ("FAILSAFE RESUME/2 %p -> %d\n", (void*)info->native_handle, 0);
+ }
return res;
}
gboolean
-mono_threads_core_resume (MonoThreadInfo *info)
+mono_threads_core_check_suspend_result (MonoThreadInfo *info)
+{
+ return TRUE;
+}
+
+gboolean
+mono_threads_core_begin_async_resume (MonoThreadInfo *info)
{
kern_return_t ret;
if (info->async_target) {
- MonoContext tmp = info->suspend_state.ctx;
+ MonoContext tmp = info->thread_saved_state [ASYNC_SUSPEND_STATE_INDEX].ctx;
mach_msg_type_number_t num_state;
thread_state_t state;
ucontext_t uctx;
mcontext_t mctx;
mono_threads_get_runtime_callbacks ()->setup_async_callback (&tmp, info->async_target, info->user_data);
- info->async_target = info->user_data = NULL;
+ info->user_data = NULL;
+ info->async_target = (void (*)(void *)) info->user_data;
state = (thread_state_t) alloca (mono_mach_arch_get_thread_state_size ());
mctx = (mcontext_t) alloca (mono_mach_arch_get_mcontext_size ());
return FALSE;
}
-
ret = thread_resume (info->native_handle);
+ THREADS_SUSPEND_DEBUG ("RESUME %p -> %d\n", (void*)info->native_handle, ret);
+
return ret == KERN_SUCCESS;
}
+#endif /* defined(HOST_WATCHOS) || defined(HOST_TVOS) */
+
void
mono_threads_platform_register (MonoThreadInfo *info)
{
+ char thread_name [64];
+
info->native_handle = mach_thread_self ();
+
+ snprintf (thread_name, sizeof (thread_name), "tid_%x", (int) info->native_handle);
+ pthread_setname_np (thread_name);
+
+ mono_threads_install_dead_letter ();
}
void
mach_port_deallocate (current_task (), info->native_handle);
}
-MonoNativeThreadId
-mono_native_thread_id_get (void)
-{
- return pthread_self ();
-}
+#endif /* USE_MACH_BACKEND */
-gboolean
-mono_native_thread_id_equals (MonoNativeThreadId id1, MonoNativeThreadId id2)
+#ifdef __MACH__
+void
+mono_threads_core_get_stack_bounds (guint8 **staddr, size_t *stsize)
{
- return pthread_equal (id1, id2);
-}
+ *staddr = (guint8*)pthread_get_stackaddr_np (pthread_self());
+ *stsize = pthread_get_stacksize_np (pthread_self());
+
+#ifdef TARGET_OSX
+ /*
+ * Mavericks reports stack sizes as 512kb:
+ * http://permalink.gmane.org/gmane.comp.java.openjdk.hotspot.devel/11590
+ * https://bugs.openjdk.java.net/browse/JDK-8020753
+ */
+ if (pthread_main_np () && *stsize == 512 * 1024)
+ *stsize = 2048 * mono_pagesize ();
+#endif
-/*
- * mono_native_thread_create:
- *
- * Low level thread creation function without any GC wrappers.
- */
-gboolean
-mono_native_thread_create (MonoNativeThreadId *tid, gpointer func, gpointer arg)
-{
- return pthread_create (tid, NULL, func, arg) == 0;
+ /* staddr points to the start of the stack, not the end */
+ *staddr -= *stsize;
}
#endif
projects / mono.git / blobdiff