blob: e0d60bb2eb5a74bb28d5e59aa385feabd99049d6 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
|
// Copyright (C) 2020-2022 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
// { dg-do run }
// { dg-additional-options "-pthread" { target pthread } }
// Static init cannot detect recursion for gthreads targets without futexes
// (and the futex case can only detect it if __libc_single_threaded==true).
// { dg-skip-if "unsupported" { gthreads && { ! futex } } }
// PR libstdc++/96817
#include <exception>
#include <stdlib.h>
int init()
{
#if __has_include(<sys/single_threaded.h>)
// This deadlocks unless __libc_single_threaded is available in Glibc,
// because __cxa_guard_acquire uses __gthread_active_p and the
// multithreaded init can't detect recursion (see PR 97211).
static int i = init();
#endif
return 0;
}
void clean_terminate() { _Exit(0); }
int
main ()
{
std::set_terminate(clean_terminate);
init();
}
|
