diff --git a/components-rs/sidecar.h b/components-rs/sidecar.h
index 5ed4b738ab..248113edbc 100644
--- a/components-rs/sidecar.h
+++ b/components-rs/sidecar.h
@@ -33,6 +33,10 @@ void ddog_ph_file_drop(struct ddog_NativeFile ph);
 
 ddog_MaybeError ddog_alloc_anon_shm_handle(uintptr_t size, struct ddog_ShmHandle **handle);
 
+ddog_MaybeError ddog_alloc_anon_shm_handle_named(uintptr_t size,
+                                                 struct ddog_ShmHandle **handle,
+                                                 ddog_CharSlice name);
+
 ddog_MaybeError ddog_map_shm(struct ddog_ShmHandle *handle,
                              struct ddog_MappedMem_ShmHandle **mapped,
                              void **pointer,
diff --git a/tests/ext/request-replayer/dd_trace_agent_env.phpt b/tests/ext/request-replayer/dd_trace_agent_env.phpt
index b3a34f8648..41b60b335a 100644
--- a/tests/ext/request-replayer/dd_trace_agent_env.phpt
+++ b/tests/ext/request-replayer/dd_trace_agent_env.phpt
@@ -1,9 +1,11 @@
 --TEST--
-DDTrace\ExceptionSpanEvent serialization with overridden attributes
+Assert that the default environment can be read from agent info
 --SKIPIF--
 <?php include __DIR__ . '/../includes/skipif_no_dev_env.inc'; ?>
 <?php
-echo "nocache\n";
+if (PHP_VERSION_ID >= 80100) {
+    echo "nocache\n";
+}
 $ctx = stream_context_create([
     'http' => [
         'method' => 'PUT',
@@ -28,7 +30,11 @@ datadog.trace.agent_test_session_token=dd_trace_agent_env
 <?php
 
 $span = \DDTrace\start_span();
-usleep(500000);
+if (getenv('USE_ZEND_ALLOC') === '0' && !getenv("SKIP_ASAN")) {
+    sleep(3); // timing sensitive
+} else {
+    sleep(1);
+}
 \DDTrace\close_span();
 var_dump($span->env);