blob: fc1fa9051195909d8690e50e54bdd5b363dfed02 (
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
49
50
51
52
53
|
//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "__cxxabi_config.h"
#include "cxxabi.h"
// Tell the implementation that we're building the actual implementation
// (and not testing it)
#define BUILDING_CXA_GUARD
#include "cxa_guard_impl.h"
/*
This implementation must be careful to not call code external to this file
which will turn around and try to call __cxa_guard_acquire reentrantly.
For this reason, the headers of this file are as restricted as possible.
Previous implementations of this code for __APPLE__ have used
std::__libcpp_mutex_lock and the abort_message utility without problem. This
implementation also uses std::__libcpp_condvar_wait which has tested
to not be a problem.
*/
namespace __cxxabiv1 {
#if defined(_LIBCXXABI_GUARD_ABI_ARM)
using guard_type = uint32_t;
#else
using guard_type = uint64_t;
#endif
extern "C"
{
_LIBCXXABI_FUNC_VIS int __cxa_guard_acquire(guard_type* raw_guard_object) {
SelectedImplementation imp(raw_guard_object);
return static_cast<int>(imp.cxa_guard_acquire());
}
_LIBCXXABI_FUNC_VIS void __cxa_guard_release(guard_type *raw_guard_object) {
SelectedImplementation imp(raw_guard_object);
imp.cxa_guard_release();
}
_LIBCXXABI_FUNC_VIS void __cxa_guard_abort(guard_type *raw_guard_object) {
SelectedImplementation imp(raw_guard_object);
imp.cxa_guard_abort();
}
} // extern "C"
} // __cxxabiv1
|
