OpenMPI  0.1.1
MoreBacktraceTestCommon.h
1 /*
2  File: MoreBacktraceTestCommon.h
3 
4  Contains: Common code for testing backtraces.
5 
6  Written by: DTS
7 
8  Copyright: Copyright (c) 2006 by Apple Computer, Inc., All Rights Reserved.
9 
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45  Change History (most recent first):
46 
47 $Log: MoreBacktraceTestCommon.h,v $
48 Revision 1.1 2006/01/22 22:47:51 eskimo1
49 A new module that abstracts the test code out of the GUI test app so that it can also be used by the command line tool.
50 
51 
52 */
53 
54 #pragma once
55 
56 /////////////////////////////////////////////////////////////////
57 
58 // MoreIsBetter Setup
59 
60 #include "MoreSetup.h"
61 
62 // Mac OS Interfaces
63 
64 #include <stdbool.h>
65 #include <unistd.h>
66 
67 // MIB Interfaces
68 
69 #include "MoreBacktrace.h"
70 
71 /////////////////////////////////////////////////////////////////
72 
73 #ifdef __cplusplus
74 extern "C" {
75 #endif
76 
77 /////////////////////////////////////////////////////////////////
78 
79 // This module contains common test code that's shared between the application
80 // and the command line tool.
81 
82 extern int TestMoreBacktraceFramesToText(
83  const MoreBTFrame frames[],
84  size_t frameCount,
85  bool lookupSymbolNames,
86  char ** btPtr
87 );
88  // Converts a backtrace (specified by frames and frameCount)
89  // to textual form, returning a pointer to the text in *btPtr.
90  // Each line is separated by a '\n' and the entire string
91  // is null terminated. The caller is responsible for disposing
92  // of this result using free.
93  //
94  // If lookupSymbolNames is true,
95  // the textual representation will contain symbols generated
96  // using the MoreAddrToSym module. Given that this module
97  // only supports looking up symbols in the current task
98  // (at least currently), you should only pass true to this
99  // parameter if the backtrace came from the current task.
100  //
101  // On entry, frames must not be NULL.
102  // On entry, btPtr must not be NULL.
103  // On entry, *btPtr must be NULL.
104  // Returns an errno-style error code.
105  // On success, *btPtr will not be NULL.
106  // On error, *btPtr will be NULL.
107 
108 // The following routines run a variety of different backtrace tests.
109 // This each return an errno-style error code, and set *btPtr as
110 // specified by TestMoreBacktraceFramesToText.
111 
112 extern int TestMoreBacktraceMachSelf(char **btPtr);
113  // Backtrace the current thread.
114 
115 extern int TestMoreBacktraceMachThread(pid_t pid, char **btPtr);
116  // Backtrace a random thread in the specified task.
117 
118 extern int TestMoreBacktraceMachSelfSignal(bool nonLeaf, char **btPtr);
119  // Backtrace across a signal handler. If nonLeaf is set,
120  // this requires user intervention to deliver the signal.
121 
122 extern int TestMoreBacktraceMachThreadStackSmash(char **btPtr);
123  // Backtrace a thread with a smashed stack.
124 
125 #ifdef __cplusplus
126 }
127 #endif
Definition: MoreBacktrace.h:189