1 /*===-- llvm-c/ErrorHandling.h - Error Handling C Interface -------*- C -*-===*\
2 |*                                                                            *|
3 |*                     The LLVM Compiler Infrastructure                       *|
4 |*                                                                            *|
5 |* This file is distributed under the University of Illinois Open Source      *|
6 |* License. See LICENSE.TXT for details.                                      *|
7 |*                                                                            *|
8 |*===----------------------------------------------------------------------===*|
9 |*                                                                            *|
10 |* This file defines the C interface to LLVM's error handling mechanism.      *|
11 |*                                                                            *|
12 \*===----------------------------------------------------------------------===*/
13 
14 #ifndef LLVM_C_ERROR_HANDLING_H
15 #define LLVM_C_ERROR_HANDLING_H
16 
17 #include "llvm-c/Types.h"
18 
19 #ifdef __cplusplus
20 extern "C" {
21 #endif
22 
23 typedef void (*LLVMFatalErrorHandler)(const char *Reason);
24 
25 /**
26  * Install a fatal error handler. By default, if LLVM detects a fatal error, it
27  * will call exit(1). This may not be appropriate in many contexts. For example,
28  * doing exit(1) will bypass many crash reporting/tracing system tools. This
29  * function allows you to install a callback that will be invoked prior to the
30  * call to exit(1).
31  */
32 void LLVMInstallFatalErrorHandler(LLVMFatalErrorHandler Handler);
33 
34 /**
35  * Reset the fatal error handler. This resets LLVM's fatal error handling
36  * behavior to the default.
37  */
38 void LLVMResetFatalErrorHandler(void);
39 
40 /**
41  * Enable LLVM's built-in stack trace code. This intercepts the OS's crash
42  * signals and prints which component of LLVM you were in at the time if the
43  * crash.
44  */
45 void LLVMEnablePrettyStackTrace(void);
46 
47 #ifdef __cplusplus
48 }
49 #endif
50 
51 #endif
52