boinc/api/boinc_diagnostics.C

423 lines
13 KiB
C

// The contents of this file are subject to the BOINC Public License
// Version 1.0 (the "License"); you may not use this file except in
// compliance with the License. You may obtain a copy of the License at
// http://boinc.berkeley.edu/license_1.0.txt
//
// Software distributed under the License is distributed on an "AS IS"
// basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
// License for the specific language governing rights and limitations
// under the License.
//
// The Original Code is the Berkeley Open Infrastructure for Network Computing.
//
// The Initial Developer of the Original Code is the SETI@home project.
// Portions created by the SETI@home project are Copyright (C) 2002
// University of California at Berkeley. All Rights Reserved.
//
// Contributor(s):
//
#ifdef _WIN32
#include <windows.h>
#include "win/Stackwalker.h"
#endif
#include <stdio.h>
#include <stdarg.h>
#include <stdlib.h>
#include <signal.h>
#include "boinc_diagnostics.h"
#include "app_ipc.h"
#include "util.h"
// ****************************************************************************
// ****************************************************************************
//
// Externally defined functions used by the diagnostics library
//
// ****************************************************************************
// ****************************************************************************
extern bool boinc_is_standalone();
extern bool boinc_is_verbose();
// ****************************************************************************
// ****************************************************************************
//
// Diagnostics Support for Windows 95/98/ME/2000/XP/2003
//
// ****************************************************************************
// ****************************************************************************
#ifdef _WIN32
// Forward declare implementation specific functions - Windows Platform Only.
LONG CALLBACK boinc_catch_signal(EXCEPTION_POINTERS *ExceptionInfo);
int __cdecl boinc_message_reporting( int reportType, char *szMsg, int *retVal );
//
// Function: boinc_init_diag
//
// Purpose: Used to initialize the diagnostics environment.
//
// Date: 02/05/04
//
int boinc_init_diag() {
LPVOID lpErrorTrap = NULL;
lpErrorTrap = (LPVOID) freopen(STDERR_FILE, "a", stderr);
if ( NULL == lpErrorTrap )
throw boinc_file_operation_exception(__FILE__, __LINE__, "Failed to reopen stderr for diagnostics redirection");
#ifdef _DEBUG
_CrtSetReportHook( boinc_message_reporting );
#endif
return BOINC_SUCCESS;
}
//
// Function: boinc_finish_diag
//
// Purpose: Used to cleanup the diagnostics environment.
//
// Date: 02/05/04
//
int boinc_finish_diag() {
return BOINC_SUCCESS;
}
//
// Function: boinc_install_signal_handlers
//
// Purpose: Used to setup an unhandled exception filter on Windows
//
// Date: 02/05/04
//
int boinc_install_signal_handlers() {
SetUnhandledExceptionFilter( boinc_catch_signal );
return BOINC_SUCCESS;
}
//
// Function: boinc_catch_signal
//
// Purpose: Used to unwind the stack and spew the callstack to stderr. Terminate the
// process afterwards and return the exception code as the exit code.
//
// Date: 02/05/04
//
LONG CALLBACK boinc_catch_signal(EXCEPTION_POINTERS *pExPtrs) {
// Snagged from the latest stackwalker code base. This allows us to grab
// callstacks even in a stack overflow scenario
if ( pExPtrs->ExceptionRecord->ExceptionCode == EXCEPTION_STACK_OVERFLOW )
{
static char MyStack[1024*128]; // be sure that we have enought space...
// it assumes that DS and SS are the same!!! (this is the case for Win32)
// change the stack only if the selectors are the same (this is the case for Win32)
//__asm push offset MyStack[1024*128];
//__asm pop esp;
__asm mov eax,offset MyStack[1024*128];
__asm mov esp,eax;
}
PVOID exceptionAddr = pExPtrs->ExceptionRecord->ExceptionAddress;
DWORD exceptionCode = pExPtrs->ExceptionRecord->ExceptionCode;
LONG lReturnValue = NULL;
char status[256];
char substatus[256];
static long lDetectNestedException = 0;
// If we've been in this procedure before, something went wrong so we immediately exit
if ( InterlockedIncrement(&lDetectNestedException) > 1 ) {
TerminateProcess( GetCurrentProcess(), BOINC_NESTED_UNHANDLED_EXCEPTION_DETECTED );
}
switch ( exceptionCode ) {
case EXCEPTION_ACCESS_VIOLATION:
safe_strncpy( status, "Access Violation", sizeof(status) );
if ( pExPtrs->ExceptionRecord->NumberParameters == 2 ) {
switch( pExPtrs->ExceptionRecord->ExceptionInformation[0] ) {
case 0: // read attempt
sprintf( substatus, "read attempt to address 0x%8.8X", pExPtrs->ExceptionRecord->ExceptionInformation[1] );
break;
case 1: // write attempt
sprintf( substatus, "write attempt to address 0x%8.8X", pExPtrs->ExceptionRecord->ExceptionInformation[1] );
break;
}
}
break;
case EXCEPTION_DATATYPE_MISALIGNMENT:
safe_strncpy( status, "Data Type Misalignment", sizeof(status) );
break;
case EXCEPTION_BREAKPOINT:
safe_strncpy( status, "Breakpoint Encountered", sizeof(status) );
break;
case EXCEPTION_SINGLE_STEP:
safe_strncpy( status, "Single Instruction Executed", sizeof(status) );
break;
case EXCEPTION_ARRAY_BOUNDS_EXCEEDED:
safe_strncpy( status, "Array Bounds Exceeded", sizeof(status) );
break;
case EXCEPTION_FLT_DENORMAL_OPERAND:
safe_strncpy( status, "Float Denormal Operand", sizeof(status) );
break;
case EXCEPTION_FLT_DIVIDE_BY_ZERO:
safe_strncpy( status, "Divide by Zero", sizeof(status) );
break;
case EXCEPTION_FLT_INEXACT_RESULT:
safe_strncpy( status, "Float Inexact Result", sizeof(status) );
break;
case EXCEPTION_FLT_INVALID_OPERATION:
safe_strncpy( status, "Float Invalid Operation", sizeof(status) );
break;
case EXCEPTION_FLT_OVERFLOW:
safe_strncpy( status, "Float Overflow", sizeof(status) );
break;
case EXCEPTION_FLT_STACK_CHECK:
safe_strncpy( status, "Float Stack Check", sizeof(status) );
break;
case EXCEPTION_FLT_UNDERFLOW:
safe_strncpy( status, "Float Underflow", sizeof(status) );
break;
case EXCEPTION_INT_DIVIDE_BY_ZERO:
safe_strncpy( status, "Integer Divide by Zero", sizeof(status) );
break;
case EXCEPTION_INT_OVERFLOW:
safe_strncpy( status, "Integer Overflow", sizeof(status) );
break;
case EXCEPTION_PRIV_INSTRUCTION:
safe_strncpy( status, "Privileged Instruction", sizeof(status) );
break;
case EXCEPTION_IN_PAGE_ERROR:
safe_strncpy( status, "In Page Error", sizeof(status) );
break;
case EXCEPTION_ILLEGAL_INSTRUCTION:
safe_strncpy( status, "Illegal Instruction", sizeof(status) );
break;
case EXCEPTION_NONCONTINUABLE_EXCEPTION:
safe_strncpy( status, "Noncontinuable Exception", sizeof(status) );
break;
case EXCEPTION_STACK_OVERFLOW:
safe_strncpy( status, "Stack Overflow", sizeof(status) );
break;
case EXCEPTION_INVALID_DISPOSITION:
safe_strncpy( status, "Invalid Disposition", sizeof(status) );
break;
case EXCEPTION_GUARD_PAGE:
safe_strncpy( status, "Guard Page Violation", sizeof(status) );
break;
case EXCEPTION_INVALID_HANDLE:
safe_strncpy( status, "Invalid Handle", sizeof(status) );
break;
case CONTROL_C_EXIT:
safe_strncpy( status, "Ctrl+C Exit", sizeof(status) );
break;
default:
safe_strncpy( status, "Unknown exception", sizeof(status) );
break;
}
fprintf( stderr, "\n***UNHANDLED EXCEPTION****\n" );
if ( EXCEPTION_ACCESS_VIOLATION == exceptionCode ) {
fprintf( stderr, "Reason: %s (0x%x) at address 0x%p %s\n\n", status, exceptionCode, exceptionAddr, substatus );
} else {
fprintf( stderr, "Reason: %s (0x%x) at address 0x%p\n\n", status, exceptionCode, exceptionAddr );
}
fflush( stderr );
// Unwind the stack and spew it to stderr
StackwalkFilter( pExPtrs, EXCEPTION_EXECUTE_HANDLER, NULL );
fprintf( stderr, "Exiting...\n" );
fflush( stderr );
// Force terminate the app letting BOINC know an unknown exception has occurred.
TerminateProcess( GetCurrentProcess(), pExPtrs->ExceptionRecord->ExceptionCode );
// We won't make it to this point, but make the compiler happy anyway.
return 1;
}
#ifdef _DEBUG
//
// Function: boinc_message_reporting
//
// Purpose: Trap ASSERTs and TRACEs from the CRT and spew them to stderr.
//
// Date: 02/05/04
//
int __cdecl boinc_message_reporting( int reportType, char *szMsg, int *retVal ){
(*retVal) = 0;
switch(reportType){
case _CRT_WARN:
case _CRT_ERROR:
OutputDebugString(szMsg); // Reports string to the debugger output window
fprintf( stderr, "%s", szMsg );
fflush( stderr );
break;
case _CRT_ASSERT:
fprintf( stderr, "ASSERT: %s\n", szMsg );
fflush( stderr );
(*retVal) = 1;
break;
}
return(TRUE);
}
//
// Function: boinc_trace
//
// Purpose: Converts the BOINCTRACE macro into a single string and report it
// to the CRT so it can be reported via the normal means.
//
// Date: 02/05/04
//
void boinc_trace(const char *pszFormat, ...)
{
static char szBuffer[1024];
// Trace messages should only be reported if running as a standalone
// application or told too.
if ( boinc_is_standalone() || boinc_is_verbose() ) {
memset(szBuffer, 0, sizeof(szBuffer));
va_list ptr;
va_start(ptr, pszFormat);
BOINCASSERT( -1 != _vsnprintf(szBuffer, sizeof(szBuffer), pszFormat, ptr) );
va_end(ptr);
_CrtDbgReport(_CRT_WARN, NULL, NULL, NULL, "TRACE: %s", szBuffer);
}
}
//
// Function: boinc_info_debug
//
// Purpose: Converts the BOINCINFO macro into a single string and report it
// to stderr so it can be reported via the normal means.
//
// Date: 02/05/04
//
void boinc_info_debug(const char *pszFormat, ...)
{
static char szBuffer[1024];
memset(szBuffer, 0, sizeof(szBuffer));
va_list ptr;
va_start(ptr, pszFormat);
BOINCASSERT( -1 != _vsnprintf(szBuffer, sizeof(szBuffer), pszFormat, ptr) );
va_end(ptr);
_CrtDbgReport(_CRT_WARN, NULL, NULL, NULL, "%s", szBuffer);
}
#else // _DEBUG
//
// Function: boinc_info_release
//
// Purpose: Converts the BOINCINFO macro into a single string and report it
// to stderr so it can be reported via the normal means.
//
// Date: 02/05/04
//
void boinc_info_release(const char *pszFormat, ...)
{
static char szBuffer[1024];
memset(szBuffer, 0, sizeof(szBuffer));
va_list ptr;
va_start(ptr, pszFormat);
_vsnprintf(szBuffer, sizeof(szBuffer), pszFormat, ptr);
va_end(ptr);
fprintf( stderr, "%s", szBuffer );
fflush( stderr );
}
#endif // _DEBUG
#endif // _WIN32
// ****************************************************************************
// ****************************************************************************
//
// Diagnostics for POSIX Compatible systems.
//
// ****************************************************************************
// ****************************************************************************
#ifdef HAVE_SIGNAL_H
// Forward declare implementation specific functions - POSIX Platform Only.
void boinc_catch_signal(int signal);
void boinc_quit(int sig);
int boinc_install_signal_handlers() {
signal(SIGHUP, boinc_catch_signal); // terminal line hangup
signal(SIGINT, boinc_catch_signal); // interrupt program
signal(SIGQUIT, boinc_quit); // quit program
signal(SIGILL, boinc_catch_signal); // illegal instruction
signal(SIGABRT, boinc_catch_signal); // abort(2) call
signal(SIGBUS, boinc_catch_signal); // bus error
signal(SIGSEGV, boinc_catch_signal); // segmentation violation
signal(SIGSYS, boinc_catch_signal); // system call given invalid argument
signal(SIGPIPE, boinc_catch_signal); // write on a pipe with no reader
return 0;
}
void boinc_catch_signal(int signal) {
switch(signal) {
case SIGHUP: fprintf(stderr, "SIGHUP: terminal line hangup"); break;
case SIGINT: fprintf(stderr, "SIGINT: interrupt program"); break;
case SIGILL: fprintf(stderr, "SIGILL: illegal instruction"); break;
case SIGABRT: fprintf(stderr, "SIGABRT: abort called"); break;
case SIGBUS: fprintf(stderr, "SIGBUS: bus error"); break;
case SIGSEGV: fprintf(stderr, "SIGSEGV: segmentation violation"); break;
case SIGSYS: fprintf(stderr, "SIGSYS: system call given invalid argument"); break;
case SIGPIPE: fprintf(stderr, "SIGPIPE: write on a pipe with no reader"); break;
default: fprintf(stderr, "unknown signal %d", signal); break;
}
fprintf(stderr, "\nExiting...\n");
exit(ERR_SIGNAL_CATCH);
}
void boinc_quit(int sig) {
signal(SIGQUIT, boinc_quit); // reset signal
time_to_quit = true;
}
#endif