xref: /llvm-project/clang/tools/libclang/FatalErrorHandler.cpp (revision 9503ad3b533cb84b51cfc80c51d262da50435013) 
1 /*===-- clang-c/FatalErrorHandler.cpp - Fatal Error Handling ------*- C -*-===*\
2 |*                                                                            *|
3 |* Part of the LLVM Project, under the Apache License v2.0 with LLVM          *|
4 |* Exceptions.                                                                *|
5 |* See https://llvm.org/LICENSE.txt for license information.                  *|
6 |* SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception                    *|
7 |*                                                                            *|
8 \*===----------------------------------------------------------------------===*/
9 
10 #include "clang-c/FatalErrorHandler.h"
11 #include "llvm/Support/ErrorHandling.h"
12 #include <stdio.h>
13 #include <stdlib.h>
14 
aborting_fatal_error_handler(void *,const char * reason,bool)15 static void aborting_fatal_error_handler(void *, const char *reason,
16                                          bool) {
17   // Write the result out to stderr avoiding errs() because raw_ostreams can
18   // call report_fatal_error.
19   fprintf(stderr, "LIBCLANG FATAL ERROR: %s\n", reason);
20   ::abort();
21 }
22 
23 extern "C" {
clang_install_aborting_llvm_fatal_error_handler(void)24 void clang_install_aborting_llvm_fatal_error_handler(void) {
25   llvm::remove_fatal_error_handler();
26   llvm::install_fatal_error_handler(aborting_fatal_error_handler, nullptr);
27 }
28 
clang_uninstall_llvm_fatal_error_handler(void)29 void clang_uninstall_llvm_fatal_error_handler(void) {
30   llvm::remove_fatal_error_handler();
31 }
32 }
33