1 /*
2  * Copyright (C) 2023 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #include "unistd_thunks.h"
18 
19 #include <unistd.h>
20 
21 #include "berberis/guest_os_primitives/guest_thread.h"
22 #include "berberis/guest_os_primitives/guest_thread_manager.h"
23 
24 namespace berberis {
25 
DoThunk___clone_for_fork()26 pid_t DoThunk___clone_for_fork() {
27   // 'fork' will invalidate thread table, so cache current thread before.
28   GuestThread* thread = GetCurrentGuestThread();
29   int pid = fork();
30   if (pid == 0) {
31     // Child, reset thread table.
32     ResetCurrentGuestThreadAfterFork(thread);
33   }
34   return pid;
35 }
36 
37 }  // namespace berberis
38