github.com/twelsh-aw/go/src@v0.0.0-20230516233729-a56fe86a7c81/runtime/testdata/testprogcgo/destructor.c (about)

     1  // Copyright 2023 The Go Authors. All rights reserved.
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  #include "_cgo_export.h"
     6  
     7  static void callDestructorCallback() {
     8  	GoDestructorCallback();
     9  }
    10  
    11  static void (*destructorFn)(void);
    12  
    13  void registerDestructor() {
    14  	destructorFn = callDestructorCallback;
    15  }
    16  
    17  __attribute__((destructor))
    18  static void destructor() {
    19  	if (destructorFn) {
    20  		destructorFn();
    21  	}
    22  }