Merge pull request #68 from true-async/66-add-the-ability-to-activate-the-scheduler-from-php-core-into-the-zend-async-api

#66: Add ZEND_ASYNC_SCHEDULER_LAUNCH() to TrueAsync public API

Author: EdmondDantes

CHANGELOG.md

@@ -7,10 +7,13 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [0.5.0] - 2025-10-31
 
+### Added
+- **TrueAsync API**: Added `ZEND_ASYNC_SCHEDULER_LAUNCH()` macro for scheduler initialization
+
 ### Changed
 - **Deadlock Detection**: Replaced warnings with structured exception handling
   - Deadlock detection now throws `Async\DeadlockError` exception instead of multiple warnings
-  - **Breaking Change**: Applications relying on deadlock warnings 
+  - **Breaking Change**: Applications relying on deadlock warnings
   will need to be updated to catch `Async\DeadlockError` exceptions
 
 ## [0.4.0] - 2025-09-30

async_API.c

@@ -1124,6 +1124,7 @@ void async_api_register(void)
 {
 	zend_async_scheduler_register(PHP_ASYNC_NAME_VERSION,
 								  false,
+								  async_scheduler_launch,
 								  async_new_coroutine,
 								  async_new_scope,
 								  (zend_async_new_context_t) async_context_new,

scheduler.c

@@ -747,7 +747,7 @@ bool async_scheduler_launch(void)
 		return false;
 	}
 
-	if (EG(active_fiber)) {
+	if (UNEXPECTED(EG(active_fiber))) {
 		async_throw_error("The True Async Scheduler cannot be started from within a Fiber");
 		return false;
 	}