Fix bug #5699 (#5701)

Author: NathanFreeman

ext-src/swoole_coroutine.cc

@@ -864,6 +864,11 @@ void PHPCoroutine::fiber_context_try_destroy(PHPContext *ctx) {
 }
 
 zend_fiber_status PHPCoroutine::get_fiber_status(PHPContext *ctx) {
+    // main_context
+    if (ctx->fiber_context == EG(main_fiber_context)) {
+        return ZEND_FIBER_STATUS_RUNNING;
+    }
+
     switch (ctx->co->get_state()) {
     case Coroutine::STATE_INIT:
         return ZEND_FIBER_STATUS_INIT;

tests/swoole_coroutine/bug_5699.phpt

@@ -0,0 +1,15 @@
+--TEST--
+swoole_coroutine: Github bug #5699
+--SKIPIF--
+<?php require __DIR__ . '/../include/skipif.inc'; ?>
+--FILE--
+<?php
+require __DIR__ . '/../include/bootstrap.php';
+ini_set('swoole.enable_fiber_mock', 'On');
+use function Swoole\Coroutine\run;
+
+run(function() {
+    sleep(1);
+});
+?>
+--EXPECT--