fix: add ext_php_rs_sapi_per_thread_shutdown

Author: Qard

src/embed/embed.c

@@ -44,6 +44,12 @@ SAPI_API void ext_php_rs_sapi_per_thread_init() {
   #endif
 }
 
+SAPI_API void ext_php_rs_sapi_per_thread_shutdown() {
+  #ifdef ZTS
+    ts_free_thread();
+  #endif
+}
+
 void ext_php_rs_php_error(int type, const char *format, ...) {
   va_list args;
   va_start(args, format);

src/embed/embed.h

@@ -9,5 +9,6 @@ void* ext_php_rs_embed_callback(int argc, char** argv, void* (*callback)(void *)
 void ext_php_rs_sapi_startup();
 void ext_php_rs_sapi_shutdown();
 void ext_php_rs_sapi_per_thread_init();
+void ext_php_rs_sapi_per_thread_shutdown();
 
 void ext_php_rs_php_error(int type, const char *format, ...);

src/embed/ffi.rs

@@ -20,6 +20,7 @@ unsafe extern "C" {
     pub fn ext_php_rs_sapi_startup();
     pub fn ext_php_rs_sapi_shutdown();
     pub fn ext_php_rs_sapi_per_thread_init();
+    pub fn ext_php_rs_sapi_per_thread_shutdown();
 
     pub fn ext_php_rs_php_error(
         type_: ::std::os::raw::c_int,

tests/sapi.rs

@@ -20,7 +20,7 @@ use std::ffi::c_char;
 use std::sync::Mutex;
 
 #[cfg(php_zts)]
-use ext_php_rs::embed::ext_php_rs_sapi_per_thread_init;
+use ext_php_rs::embed::{ext_php_rs_sapi_per_thread_init, ext_php_rs_sapi_per_thread_shutdown};
 #[cfg(php_zts)]
 use std::sync::Arc;
 #[cfg(php_zts)]
@@ -178,6 +178,10 @@ fn test_sapi_multithread() {
             unsafe {
                 php_request_shutdown(std::ptr::null_mut());
             }
+
+            unsafe {
+                ext_php_rs_sapi_per_thread_shutdown();
+            }
         });
 
         handles.push(handle);