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bc58e5bc3f
Avoid the dialog when an assertion fails on Windows. This is important to ensure that the tests do not create a large number of prompts.
90 lines
2.5 KiB
C++
90 lines
2.5 KiB
C++
//===--- InterceptTraps.cpp -----------------------------------------------===//
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//
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// This source file is part of the Swift.org open source project
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//
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// Copyright (c) 2014 - 2017 Apple Inc. and the Swift project authors
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// Licensed under Apache License v2.0 with Runtime Library Exception
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//
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// See https://swift.org/LICENSE.txt for license information
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// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
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//
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//===----------------------------------------------------------------------===//
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#include <stdio.h>
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#include <signal.h>
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#include <string.h>
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#if defined(__unix__) || (defined(__APPLE__) && defined(__MACH__))
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#include <unistd.h>
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#endif
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#if defined(_WIN32)
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#include <io.h>
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#include <process.h>
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#include <stdlib.h>
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#define WIN32_LEAN_AND_MEAN
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#include <Windows.h>
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#endif
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#include "swift/Runtime/Config.h"
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static void CrashCatcher(int Sig) {
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const char *Msg;
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switch (Sig) {
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case SIGILL: Msg = "CRASHED: SIGILL\n"; break;
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case SIGABRT: Msg = "CRASHED: SIGABRT\n"; break;
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case SIGFPE: Msg = "CRASHED: SIGFPE\n"; break;
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case SIGSEGV: Msg = "CRASHED: SIGSEGV\n"; break;
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#if !defined(_WIN32)
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case SIGTRAP: Msg = "CRASHED: SIGTRAP\n"; break;
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case SIGBUS: Msg = "CRASHED: SIGBUS\n"; break;
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case SIGSYS: Msg = "CRASHED: SIGSYS\n"; break;
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#endif
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default: Msg = "CRASHED: SIG????\n"; break;
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}
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#if defined(_WIN32)
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_write(_fileno(stderr), Msg, strlen(Msg));
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#else
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write(STDERR_FILENO, Msg, strlen(Msg));
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#endif
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_exit(0);
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}
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#if defined(_WIN32)
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static LONG WINAPI
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VectoredCrashHandler(PEXCEPTION_POINTERS ExceptionInfo) {
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switch (ExceptionInfo->ExceptionRecord->ExceptionCode) {
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case EXCEPTION_ILLEGAL_INSTRUCTION:
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_write(_fileno(stderr), "CRASHED: SIGTRAP\n", 17);
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_exit(0);
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case EXCEPTION_DATATYPE_MISALIGNMENT:
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_write(_fileno(stderr), "CRASHED: SIGBUS\n", 16);
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_exit(0);
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}
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return EXCEPTION_CONTINUE_SEARCH;
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}
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#endif
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SWIFT_CC(swift) SWIFT_RUNTIME_LIBRARY_VISIBILITY extern "C"
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void installTrapInterceptor() {
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// Disable buffering on stdout so that everything is printed before crashing.
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setbuf(stdout, 0);
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#if defined(_WIN32)
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_set_abort_behavior(0, _WRITE_ABORT_MSG);
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#endif
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signal(SIGILL, CrashCatcher);
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signal(SIGABRT, CrashCatcher);
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signal(SIGFPE, CrashCatcher);
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signal(SIGSEGV, CrashCatcher);
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#if defined(_WIN32)
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AddVectoredExceptionHandler(TRUE, VectoredCrashHandler);
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#else
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signal(SIGTRAP, CrashCatcher);
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signal(SIGBUS, CrashCatcher);
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signal(SIGSYS, CrashCatcher);
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#endif
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}
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