return TRUE;
}
+
+gboolean
+mono_thread_state_init_from_handle (MonoThreadUnwindState *tctx, MonoNativeThreadId thread_id, MonoNativeThreadHandle thread_handle)
+{
+ kern_return_t ret;
+ mach_msg_type_number_t num_state;
+ thread_state_t state;
+ ucontext_t ctx;
+ mcontext_t mctx;
+ guint32 domain_key, jit_key;
+ MonoJitTlsData *jit_tls;
+ void *domain;
+
+ state = (thread_state_t) alloca (mono_mach_arch_get_thread_state_size ());
+ mctx = (mcontext_t) alloca (mono_mach_arch_get_mcontext_size ());
+
+ ret = mono_mach_arch_get_thread_state (thread_handle, state, &num_state);
+ if (ret != KERN_SUCCESS)
+ return FALSE;
+
+ mono_mach_arch_thread_state_to_mcontext (state, mctx);
+ ctx.uc_mcontext = mctx;
+
+ mono_sigctx_to_monoctx (&ctx, &tctx->ctx);
+
+ domain_key = mono_domain_get_tls_offset ();
+ jit_key = mono_pthread_key_for_tls (mono_get_jit_tls_key ());
+ jit_tls = mono_mach_arch_get_tls_value_from_thread (thread_id, jit_key);
+ domain = mono_mach_arch_get_tls_value_from_thread (thread_id, domain_key);
+
+ /*Thread already started to cleanup, can no longer capture unwind state*/
+ if (!jit_tls)
+ return FALSE;
+ g_assert (domain);
+
+ tctx->unwind_data [MONO_UNWIND_DATA_DOMAIN] = domain;
+ tctx->unwind_data [MONO_UNWIND_DATA_LMF] = jit_tls ? jit_tls->lmf : NULL;
+ tctx->unwind_data [MONO_UNWIND_DATA_JIT_TLS] = jit_tls;
+ tctx->valid = TRUE;
+
+ return TRUE;
+}