diff --git a/intel-sgx/enclave-runner/src/usercalls/mod.rs b/intel-sgx/enclave-runner/src/usercalls/mod.rs
index c30c9add..ff015066 100644
--- a/intel-sgx/enclave-runner/src/usercalls/mod.rs
+++ b/intel-sgx/enclave-runner/src/usercalls/mod.rs
@@ -995,8 +995,12 @@ impl EnclaveState {
             EnclaveState::syscall_loop(enclave.clone(), io_queue_receive, io_queue_send, work_sender);
 
         for handler in join_handlers {
-            #[cfg(unix)]
+            #[cfg(any(target_env = "musl", target_env = "ohos"))]
+            unsafe { libc::pthread_kill(handler.as_pthread_t() as *mut c_void, signal::SIGUSR1 as _); }
+            
+            #[cfg(target_env = "gnu")]
             unsafe { libc::pthread_kill(handler.as_pthread_t(), signal::SIGUSR1 as _); }
+
             let _ = handler.join();
         }
         return main_result;