mirror of
https://github.com/apple/swift.git
synced 2025-12-14 20:36:38 +01:00
63 lines
1.8 KiB
C++
63 lines
1.8 KiB
C++
//===--- Error.cpp - Error handling support code --------------------------===//
|
|
//
|
|
// This source file is part of the Swift.org open source project
|
|
//
|
|
// Copyright (c) 2014 - 2017 Apple Inc. and the Swift project authors
|
|
// Licensed under Apache License v2.0 with Runtime Library Exception
|
|
//
|
|
// See https://swift.org/LICENSE.txt for license information
|
|
// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "swift/Runtime/Portability.h"
|
|
#include "swift/Threading/Errors.h"
|
|
#include <atomic>
|
|
#include <cstdio>
|
|
#include <cstring>
|
|
|
|
#include "Error.h"
|
|
|
|
#if !SWIFT_CONCURRENCY_EMBEDDED
|
|
// Redeclared from swift/Runtime/Debug.h.
|
|
namespace swift {
|
|
SWIFT_WEAK_IMPORT SWIFT_RUNTIME_EXPORT
|
|
std::atomic<void (*)(uint32_t, const char *, void *)> _swift_willAbort;
|
|
}
|
|
#endif
|
|
|
|
// swift::fatalError is not exported from libswiftCore and not shared, so define another
|
|
// internal function instead.
|
|
SWIFT_NORETURN
|
|
SWIFT_VFORMAT(2)
|
|
void swift::swift_Concurrency_fatalErrorv(uint32_t flags, const char *format,
|
|
va_list val) {
|
|
#if !SWIFT_CONCURRENCY_EMBEDDED
|
|
char *log = nullptr;
|
|
swift_vasprintf(&log, format, val);
|
|
|
|
if (&_swift_willAbort != nullptr) {
|
|
auto handler = _swift_willAbort.exchange(nullptr, std::memory_order_acq_rel);
|
|
if (SWIFT_UNLIKELY(handler)) {
|
|
(* handler)(flags, log, nullptr);
|
|
}
|
|
}
|
|
|
|
fputs(log, stderr);
|
|
#else
|
|
vprintf(format, val);
|
|
#endif
|
|
|
|
abort();
|
|
}
|
|
|
|
SWIFT_NORETURN
|
|
SWIFT_FORMAT(2, 3)
|
|
void swift::swift_Concurrency_fatalError(uint32_t flags, const char *format,
|
|
...) {
|
|
va_list val;
|
|
|
|
va_start(val, format);
|
|
swift_Concurrency_fatalErrorv(flags, format, val);
|
|
}
|