1 /*===-- llvm-c/ErrorHandling.h - Error Handling C Interface -------*- 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 |* This file defines the C interface to LLVM's error handling mechanism.      *|
11 |*                                                                            *|
12 \*===----------------------------------------------------------------------===*/
13 
14 #ifndef LLVM_C_ERRORHANDLING_H
15 #define LLVM_C_ERRORHANDLING_H
16 
17 #include "llvm-c/ExternC.h"
18 
19 LLVM_C_EXTERN_C_BEGIN
20 
21 typedef void (*LLVMFatalErrorHandler)(const char *Reason);
22 
23 /**
24  * Install a fatal error handler. By default, if LLVM detects a fatal error, it
25  * will call exit(1). This may not be appropriate in many contexts. For example,
26  * doing exit(1) will bypass many crash reporting/tracing system tools. This
27  * function allows you to install a callback that will be invoked prior to the
28  * call to exit(1).
29  */
30 void LLVMInstallFatalErrorHandler(LLVMFatalErrorHandler Handler);
31 
32 /**
33  * Reset the fatal error handler. This resets LLVM's fatal error handling
34  * behavior to the default.
35  */
36 void LLVMResetFatalErrorHandler(void);
37 
38 /**
39  * Enable LLVM's built-in stack trace code. This intercepts the OS's crash
40  * signals and prints which component of LLVM you were in at the time if the
41  * crash.
42  */
43 void LLVMEnablePrettyStackTrace(void);
44 
45 LLVM_C_EXTERN_C_END
46 
47 #endif
48