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|
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
/* system headers */
#include "system.h"
#define MAX_STACK_FRAMES 256
#if defined( MACOSX )
#if defined( INTEL )
#include "backtrace.h"
#define INCLUDE_BACKTRACE
#define STACKTYPE "MacOsX_X86"
#endif /* INTEL */
#endif /* MACOSX */
#ifdef LINUX
#include <execinfo.h>
#include <link.h>
#define INCLUDE_BACKTRACE
#define STACKTYPE "Linux"
#endif
#ifdef SOLARIS
#include "backtrace.h"
#define INCLUDE_BACKTRACE
#if defined( SPARC )
#define STACKTYPE "Solaris_Sparc"
#elif defined( INTEL )
#define STACKTYPE "Solaris_X86"
#else
#define STACKTYPE "Solaris_Unknown"
#endif
#endif /* defined SOLARIS */
#include <osl/diagnose.h>
#include <osl/mutex.h>
#include <osl/signal.h>
#include <osl/process.h>
#include <osl/thread.h>
#include <sal/macros.h>
#include <rtl/bootstrap.h>
#include <rtl/digest.h>
#include "file_path_helper.h"
#define ACT_IGNORE 1
#define ACT_EXIT 2
#define ACT_SYSTEM 3
#define ACT_HIDE 4
#ifdef SAL_ENABLE_CRASH_REPORT
# define ACT_ABORT 5
#else
# define ACT_ABORT ACT_SYSTEM
#endif
#define MAX_PATH_LEN 2048
typedef struct _oslSignalHandlerImpl
{
oslSignalHandlerFunction Handler;
void* pData;
struct _oslSignalHandlerImpl* pNext;
} oslSignalHandlerImpl;
static struct SignalAction
{
int Signal;
int Action;
void (*Handler)(int);
} Signals[] =
{
{ SIGHUP, ACT_IGNORE, NULL }, /* hangup */
{ SIGINT, ACT_EXIT, NULL }, /* interrupt (rubout) */
{ SIGQUIT, ACT_EXIT, NULL }, /* quit (ASCII FS) */
{ SIGILL, ACT_SYSTEM, NULL }, /* illegal instruction (not reset when caught) */
/* changed from ACT_ABOUT to ACT_SYSTEM to try and get collector to run*/
{ SIGTRAP, ACT_ABORT, NULL }, /* trace trap (not reset when caught) */
#if ( SIGIOT != SIGABRT )
{ SIGIOT, ACT_ABORT, NULL }, /* IOT instruction */
#endif
{ SIGABRT, ACT_ABORT, NULL }, /* used by abort, replace SIGIOT in the future */
#ifdef SIGEMT
{ SIGEMT, ACT_SYSTEM, NULL }, /* EMT instruction */
/* changed from ACT_ABORT to ACT_SYSTEM to remove handler*/
/* SIGEMT may also be used by the profiler - so it is probably not a good
plan to have the new handler use this signal*/
#endif
{ SIGFPE, ACT_ABORT, NULL }, /* floating point exception */
{ SIGKILL, ACT_SYSTEM, NULL }, /* kill (cannot be caught or ignored) */
{ SIGBUS, ACT_ABORT, NULL }, /* bus error */
{ SIGSEGV, ACT_ABORT, NULL }, /* segmentation violation */
#ifdef SIGSYS
{ SIGSYS, ACT_ABORT, NULL }, /* bad argument to system call */
#endif
{ SIGPIPE, ACT_HIDE, NULL }, /* write on a pipe with no one to read it */
{ SIGALRM, ACT_EXIT, NULL }, /* alarm clock */
{ SIGTERM, ACT_EXIT, NULL }, /* software termination signal from kill */
{ SIGUSR1, ACT_SYSTEM, NULL }, /* user defined signal 1 */
{ SIGUSR2, ACT_SYSTEM, NULL }, /* user defined signal 2 */
{ SIGCHLD, ACT_SYSTEM, NULL }, /* child status change */
#ifdef SIGPWR
{ SIGPWR, ACT_IGNORE, NULL }, /* power-fail restart */
#endif
{ SIGWINCH, ACT_IGNORE, NULL }, /* window size change */
{ SIGURG, ACT_EXIT, NULL }, /* urgent socket condition */
#ifdef SIGPOLL
{ SIGPOLL, ACT_EXIT, NULL }, /* pollable event occurred */
#endif
{ SIGSTOP, ACT_SYSTEM, NULL }, /* stop (cannot be caught or ignored) */
{ SIGTSTP, ACT_SYSTEM, NULL }, /* user stop requested from tty */
{ SIGCONT, ACT_SYSTEM, NULL }, /* stopped process has been continued */
{ SIGTTIN, ACT_SYSTEM, NULL }, /* background tty read attempted */
{ SIGTTOU, ACT_SYSTEM, NULL }, /* background tty write attempted */
{ SIGVTALRM, ACT_EXIT, NULL }, /* virtual timer expired */
{ SIGPROF, ACT_SYSTEM, NULL }, /* profiling timer expired */
/*Change from ACT_EXIT to ACT_SYSTEM for SIGPROF is so that profiling signals do
not get taken by the new handler - the new handler does not pass on context
information which causes 'collect' to crash. This is a way of avoiding
what looks like a bug in the new handler*/
{ SIGXCPU, ACT_ABORT, NULL }, /* exceeded cpu limit */
{ SIGXFSZ, ACT_ABORT, NULL } /* exceeded file size limit */
};
const int NoSignals = sizeof(Signals) / sizeof(struct SignalAction);
static sal_Bool bErrorReportingEnabled = sal_True;
static sal_Bool bInitSignal = sal_False;
static oslMutex SignalListMutex;
static oslSignalHandlerImpl* SignalList;
static sal_Bool bDoHardKill = sal_False;
static sal_Bool bSetSEGVHandler = sal_False;
static sal_Bool bSetWINCHHandler = sal_False;
static sal_Bool bSetILLHandler = sal_False;
static void SignalHandlerFunction(int);
static void getExecutableName_Impl (rtl_String ** ppstrProgName)
{
rtl_uString * ustrProgFile = 0;
osl_getExecutableFile (&ustrProgFile);
if (ustrProgFile)
{
rtl_uString * ustrProgName = 0;
osl_systemPathGetFileNameOrLastDirectoryPart (ustrProgFile, &ustrProgName);
if (ustrProgName != 0)
{
rtl_uString2String (
ppstrProgName,
rtl_uString_getStr (ustrProgName), rtl_uString_getLength (ustrProgName),
osl_getThreadTextEncoding(),
OUSTRING_TO_OSTRING_CVTFLAGS);
rtl_uString_release (ustrProgName);
}
rtl_uString_release (ustrProgFile);
}
}
static sal_Bool is_soffice_Impl (void)
{
sal_Int32 idx = -1;
rtl_String * strProgName = 0;
getExecutableName_Impl (&strProgName);
if (strProgName)
{
idx = rtl_str_indexOfStr (rtl_string_getStr (strProgName), "soffice");
rtl_string_release (strProgName);
}
return (idx != -1);
}
static sal_Bool InitSignal()
{
int i;
struct sigaction act;
struct sigaction oact;
sigset_t unset;
if (is_soffice_Impl())
{
sal_uInt32 argi;
sal_uInt32 argc;
rtl_uString *ustrCommandArg = 0;
argc = osl_getCommandArgCount();
for ( argi = 0; argi < argc; argi++ )
{
if (osl_Process_E_None == osl_getCommandArg (argi, &ustrCommandArg))
{
if (0 == rtl_ustr_ascii_compare (rtl_uString_getStr (ustrCommandArg), "-bean"))
{
bDoHardKill = sal_True;
break;
}
}
}
if (ustrCommandArg)
{
rtl_uString_release (ustrCommandArg);
ustrCommandArg = 0;
}
// WORKAROUND FOR SEGV HANDLER CONFLICT
//
// the java jit needs SIGSEGV for proper work
// and we need SIGSEGV for the office crashguard
//
// TEMPORARY SOLUTION:
// the office sets the signal handler during startup
// java can than overwrite it, if needed
bSetSEGVHandler = sal_True;
// WORKAROUND FOR WINCH HANDLER (SEE ABOVE)
bSetWINCHHandler = sal_True;
// WORKAROUND FOR ILLEGAL INSTRUCTION HANDLER (SEE ABOVE)
bSetILLHandler = sal_True;
}
SignalListMutex = osl_createMutex();
act.sa_handler = SignalHandlerFunction;
act.sa_flags = SA_RESTART;
sigfillset(&(act.sa_mask));
/* Initialize the rest of the signals */
for (i = 0; i < NoSignals; i++)
{
/* hack: stomcatd is attaching JavaVM wich dont work with an sigaction(SEGV) */
if ((bSetSEGVHandler || Signals[i].Signal != SIGSEGV)
&& (bSetWINCHHandler || Signals[i].Signal != SIGWINCH)
&& (bSetILLHandler || Signals[i].Signal != SIGILL))
{
if (Signals[i].Action != ACT_SYSTEM)
{
if (Signals[i].Action == ACT_HIDE)
{
struct sigaction ign;
ign.sa_handler = SIG_IGN;
ign.sa_flags = 0;
sigemptyset(&ign.sa_mask);
if (sigaction(Signals[i].Signal, &ign, &oact) == 0)
Signals[i].Handler = oact.sa_handler;
else
Signals[i].Handler = SIG_DFL;
}
else
if (sigaction(Signals[i].Signal, &act, &oact) == 0)
Signals[i].Handler = oact.sa_handler;
else
Signals[i].Handler = SIG_DFL;
}
}
}
/* Clear signal mask inherited from parent process (on Mac OS X, upon a
crash soffice re-execs itself from within the signal handler, so the
second soffice would have the guilty signal blocked and would freeze upon
encountering a similar crash again): */
if (sigemptyset(&unset) < 0 ||
pthread_sigmask(SIG_SETMASK, &unset, NULL) < 0)
{
OSL_TRACE("sigemptyset or pthread_sigmask failed");
}
return sal_True;
}
static sal_Bool DeInitSignal()
{
int i;
struct sigaction act;
act.sa_flags = 0;
sigemptyset(&(act.sa_mask));
/* Initialize the rest of the signals */
for (i = NoSignals - 1; i >= 0; i--)
if (Signals[i].Action != ACT_SYSTEM)
{
act.sa_handler = Signals[i].Handler;
sigaction(Signals[i].Signal, &act, NULL);
}
osl_destroyMutex(SignalListMutex);
return sal_False;
}
#if defined (SAL_ENABLE_CRASH_REPORT) && defined(INCLUDE_BACKTRACE)
/*****************************************************************************/
/* Generate MD5 checksum */
/*****************************************************************************/
static sal_uInt32 calc_md5_checksum( const char *filename, sal_uInt8 *pChecksum, sal_uInt32 nChecksumLen )
{
sal_uInt32 nBytesProcessed = 0;
FILE *fp = fopen( filename, "r" );
if ( fp )
{
rtlDigest digest = rtl_digest_createMD5();
if ( digest )
{
size_t nBytesRead;
sal_uInt8 buffer[4096];
rtlDigestError error = rtl_Digest_E_None;
while ( rtl_Digest_E_None == error &&
0 != (nBytesRead = fread( buffer, 1, sizeof(buffer), fp )) )
{
error = rtl_digest_updateMD5( digest, buffer, nBytesRead );
nBytesProcessed += nBytesRead;
}
if ( rtl_Digest_E_None == error )
{
error = rtl_digest_getMD5( digest, pChecksum, nChecksumLen );
}
if ( rtl_Digest_E_None != error )
nBytesProcessed = 0;
rtl_digest_destroyMD5( digest );
}
fclose( fp );
}
return nBytesProcessed;
}
/*****************************************************************************/
/* Call crash reporter */
/*****************************************************************************/
/* Helper function to encode and write a string to a stream */
static int fputs_xml( const char *string, FILE *stream )
{
int result = 0;
while ( result >= 0 && *string )
{
switch( *string )
{
case '&':
result = fputs( "&", stream );
break;
case '<':
result = fputs( "<", stream );
break;
case '>':
result = fputs( ">", stream );
break;
default:
result = fputc( *string, stream );
break;
}
string++;
}
return result;
}
#endif
/* Create intermediate files and run crash reporter */
#define REPORTENV_PARAM "-crashreportenv:"
#if defined SAL_ENABLE_CRASH_REPORT && defined INCLUDE_BACKTRACE && \
defined LINUX
typedef struct
{
const char *name;
ElfW(Off) offset;
} dynamic_entry;
static int
callback(struct dl_phdr_info *info, size_t size, void *data)
{
const ElfW(Phdr) *pDynamic = NULL;
if (size == sizeof(struct dl_phdr_info))
{
int i;
for (i = 0; i < info->dlpi_phnum; ++i)
{
if (info->dlpi_phdr[i].p_type == PT_DYNAMIC)
{
pDynamic = &(info->dlpi_phdr[i]);
break;
}
}
}
if (pDynamic)
{
char buffer[100];
int len;
char exe[PATH_MAX];
const char *dsoname = info->dlpi_name;
dynamic_entry* entry = (dynamic_entry*)data;
if (strcmp(dsoname, "") == 0)
{
snprintf(buffer, sizeof(buffer), "/proc/%d/exe", getpid());
if ((len = readlink(buffer, exe, PATH_MAX)) != -1)
{
exe[len] = '\0';
dsoname = exe;
}
}
if (strcmp(dsoname, entry->name) == 0)
{
entry->offset = pDynamic->p_offset;
return 1;
}
}
return 0;
}
/* Get the location of the .dynamic section offset for the given elf file.
* i.e. same as the "Offset" value shown for DYNAMIC from readelf -l foo
*
* We want to know this value so that if the binaries have been modifed
* by prelink then we can still process the call stack on server side
* by comparing this value to that of an "un-prelinked but known to be
* otherwise equivalent" version of those binaries and adjust the call
* stack addresses by the differences between .dynamic addresses so as
* to be able to map the prelinked addresses back to the unprelinked
* addresses
*
* cmc@openoffice.org
*/
static ElfW(Off)
dynamic_section_offset(const char *name)
{
dynamic_entry entry;
entry.name = name;
entry.offset = 0;
dl_iterate_phdr(callback, &entry);
return entry.offset;
}
#endif
static int ReportCrash( int Signal )
{
#ifdef SAL_ENABLE_CRASH_REPORT
static sal_Bool bCrashReporterExecuted = sal_False;
sal_Bool bAutoCrashReport = sal_False;
sal_uInt32 argi;
sal_uInt32 argc;
rtl_uString *ustrCommandArg = NULL;
if ( !bErrorReportingEnabled )
return -1;
argc = osl_getCommandArgCount();
for ( argi = 0; argi < argc; argi++ )
{
if ( osl_Process_E_None == osl_getCommandArg( argi, &ustrCommandArg ) )
{
if ( 0 == rtl_ustr_ascii_compare( rtl_uString_getStr( ustrCommandArg ), "-nocrashreport" ) )
{
rtl_uString_release( ustrCommandArg );
return -1;
}
else if ( 0 == rtl_ustr_ascii_compare( rtl_uString_getStr( ustrCommandArg ), "-autocrashreport" ) )
{
bAutoCrashReport = sal_True;
}
else if ( 0 == rtl_ustr_ascii_shortenedCompare_WithLength(
rtl_uString_getStr( ustrCommandArg ), rtl_uString_getLength( ustrCommandArg ),
REPORTENV_PARAM, strlen(REPORTENV_PARAM) )
)
{
rtl_uString *ustrEnvironment = NULL;
rtl_String *strEnv = NULL;
rtl_uString_newFromStr( &ustrEnvironment, rtl_uString_getStr( ustrCommandArg ) + strlen(REPORTENV_PARAM) );
if ( ustrEnvironment )
{
rtl_uString2String(
&strEnv,
rtl_uString_getStr( ustrEnvironment ), rtl_uString_getLength( ustrEnvironment ),
osl_getThreadTextEncoding(), OUSTRING_TO_OSTRING_CVTFLAGS
);
if ( strEnv )
{
putenv( rtl_string_getStr( strEnv ) );
rtl_string_release( strEnv );
}
rtl_uString_release( ustrEnvironment );
}
}
}
}
if ( ustrCommandArg )
rtl_uString_release( ustrCommandArg );
if ( !bCrashReporterExecuted )
{
int i;
/* struct sigaction act; */
for (i = 0; i < NoSignals; i++)
{
if (Signals[i].Signal == Signal && Signals[i].Action == ACT_ABORT )
{
int ret;
char szShellCmd[512] = { '\0' };
char *pXMLTempName = NULL;
char *pStackTempName = NULL;
char *pChecksumTempName = NULL;
#ifdef INCLUDE_BACKTRACE
char szXMLTempNameBuffer[L_tmpnam];
char szChecksumTempNameBuffer[L_tmpnam];
char szStackTempNameBuffer[L_tmpnam];
void *stackframes[MAX_STACK_FRAMES];
int iFrame;
int nFrames = backtrace( stackframes, SAL_N_ELEMENTS(stackframes) );
FILE *xmlout = NULL, *stackout = NULL, *checksumout = NULL;
int fdxml, fdstk, fdchksum;
strncpy( szXMLTempNameBuffer, P_tmpdir, sizeof(szXMLTempNameBuffer) );
strncat( szXMLTempNameBuffer, "/crxmlXXXXXX", sizeof(szXMLTempNameBuffer) );
strncpy( szStackTempNameBuffer, P_tmpdir, sizeof(szStackTempNameBuffer) );
strncat( szStackTempNameBuffer, "/crstkXXXXXX", sizeof(szStackTempNameBuffer) );
strncpy( szChecksumTempNameBuffer, P_tmpdir, sizeof(szChecksumTempNameBuffer) );
strncat( szChecksumTempNameBuffer, "/crchkXXXXXX", sizeof(szChecksumTempNameBuffer) );
fdxml = mkstemp(szXMLTempNameBuffer);
fdstk = mkstemp(szStackTempNameBuffer);
fdchksum = mkstemp(szChecksumTempNameBuffer);
xmlout = fdopen( fdxml , "w" );
stackout = fdopen( fdstk , "w" );
checksumout = fdopen( fdchksum, "w" );
pXMLTempName = szXMLTempNameBuffer;
pStackTempName = szStackTempNameBuffer;
pChecksumTempName = szChecksumTempNameBuffer;
if ( xmlout && stackout && checksumout )
{
fprintf( xmlout, "<errormail:Stack type=\"%s\">\n", STACKTYPE );
fprintf( checksumout, "<errormail:Checksums type=\"MD5\">\n" );
for ( iFrame = 0; iFrame < nFrames; iFrame++ )
{
Dl_info dl_info;
fprintf( stackout, "0x%" SAL_PRIxUINTPTR ":",
SAL_INT_CAST(sal_uIntPtr, stackframes[iFrame]) );
fprintf( xmlout, "<errormail:StackInfo pos=\"%d\" ip=\"0x%" SAL_PRIxUINTPTR "\"",
iFrame,
SAL_INT_CAST(sal_uIntPtr, stackframes[iFrame])
);
memset( &dl_info, 0, sizeof(dl_info) );
/* dladdr may fail */
if ( dladdr( stackframes[iFrame], &dl_info) )
{
const char *dli_fname = NULL;
char *dli_fdir = NULL;
char szDirectory[PATH_MAX];
char szCanonicDirectory[PATH_MAX];
/* Don't expect that dladdr filled all members of dl_info */
dli_fname = dl_info.dli_fname ? strrchr( dl_info.dli_fname, '/' ) : NULL;
if ( dli_fname )
{
++dli_fname;
memcpy( szDirectory, dl_info.dli_fname, dli_fname - dl_info.dli_fname );
szDirectory[dli_fname - dl_info.dli_fname] = 0;
dli_fdir = realpath( szDirectory, szCanonicDirectory ) ? szCanonicDirectory : szDirectory;
if ( *dli_fdir && dli_fdir[ strlen(dli_fdir) - 1 ] != '/' )
strcat( dli_fdir, "/" );
}
else
dli_fname = dl_info.dli_fname;
/* create checksum of library on stack */
if ( dli_fname )
{
sal_uInt8 checksum[RTL_DIGEST_LENGTH_MD5];
sal_uInt32 nBytesProcessed = calc_md5_checksum(
dl_info.dli_fname, checksum, sizeof(checksum) );
if ( nBytesProcessed )
{
int j;
fprintf( checksumout, "<errormail:Checksum sum=\"0x" );
for ( j = 0; j < 16; fprintf( checksumout, "%02X", checksum[j++] ) );
fprintf( checksumout,
"\" bytes=\"%lu\" file=\"%s\"/>\n",
SAL_INT_CAST(
unsigned long, nBytesProcessed),
dli_fname );
}
}
if ( dl_info.dli_fbase && dl_info.dli_fname )
{
#ifdef LINUX
ElfW(Off) dynamic_offset = dynamic_section_offset(dl_info.dli_fname);
fprintf( stackout, " 0x%" SAL_PRI_SIZET "x:", dynamic_offset);
#endif
fprintf( stackout, " %s + 0x%" SAL_PRI_PTRDIFFT "x",
dl_info.dli_fname,
(char*)stackframes[iFrame] - (char*)dl_info.dli_fbase
);
fprintf( xmlout, " rel=\"0x%" SAL_PRI_PTRDIFFT "x\"", (char *)stackframes[iFrame] - (char *)dl_info.dli_fbase );
if ( dli_fname )
fprintf( xmlout, " name=\"%s\"", dli_fname );
if ( dli_fdir )
fprintf( xmlout, " path=\"%s\"", dli_fdir );
#ifdef LINUX
fprintf( xmlout, " dynamicoffset=\"0x%" SAL_PRI_SIZET "x\"", dynamic_offset );
#endif
}
else
fprintf( stackout, " ????????" );
if ( dl_info.dli_sname && dl_info.dli_saddr )
{
fputs( " (", stackout );
fputs_xml( dl_info.dli_sname, stackout );
fprintf( stackout, " + 0x%" SAL_PRI_PTRDIFFT "x)",
(char*)stackframes[iFrame] - (char*)dl_info.dli_saddr );
fputs( " ordinal=\"", xmlout );
fputs_xml( dl_info.dli_sname, xmlout );
fprintf( xmlout, "+0x%" SAL_PRI_PTRDIFFT "x\"",
(char *)stackframes[iFrame] - (char *)dl_info.dli_saddr );
}
}
else /* dladdr failed */
{
fprintf( stackout, " ????????" );
}
fprintf( stackout, "\n" );
fprintf( xmlout, "/>\n" );
}
fprintf( xmlout, "</errormail:Stack>\n" );
fprintf( checksumout, "</errormail:Checksums>\n" );
}
else
{
pXMLTempName = NULL;
pStackTempName = NULL;
pChecksumTempName = NULL;
}
if ( stackout )
fclose( stackout );
if ( xmlout )
fclose( xmlout );
if ( checksumout )
fclose( checksumout );
if ( pXMLTempName && pChecksumTempName && pStackTempName )
#endif /* INCLUDE_BACKTRACE */
{
rtl_uString * crashrep_url = NULL;
rtl_uString * crashrep_path = NULL;
rtl_String * crashrep_path_system = NULL;
rtl_string2UString(
&crashrep_url,
RTL_CONSTASCII_USTRINGPARAM(
"$BRAND_BASE_DIR/program/crashrep"),
OSTRING_TO_OUSTRING_CVTFLAGS);
rtl_bootstrap_expandMacros(&crashrep_url);
osl_getSystemPathFromFileURL(crashrep_url, &crashrep_path);
rtl_uString2String(
&crashrep_path_system,
rtl_uString_getStr(crashrep_path),
rtl_uString_getLength(crashrep_path),
osl_getThreadTextEncoding(),
(RTL_UNICODETOTEXT_FLAGS_UNDEFINED_ERROR
| RTL_UNICODETOTEXT_FLAGS_INVALID_ERROR));
rtl_uString_release(crashrep_url);
rtl_uString_release(crashrep_path);
#if defined INCLUDE_BACKTRACE && (defined LINUX || defined MACOSX)
snprintf( szShellCmd, SAL_N_ELEMENTS(szShellCmd),
"%s -p %d -s %d -xml %s -chksum %s -stack %s -noui%s",
rtl_string_getStr(crashrep_path_system),
getpid(),
Signal,
pXMLTempName,
pChecksumTempName,
pStackTempName,
bAutoCrashReport ? " -send" : "" );
#elif defined INCLUDE_BACKTRACE && defined SOLARIS
snprintf( szShellCmd, SAL_N_ELEMENTS(szShellCmd),
"%s -p %d -s %d -xml %s -chksum %s -noui%s",
rtl_string_getStr(crashrep_path_system),
getpid(),
Signal,
pXMLTempName,
pChecksumTempName,
bAutoCrashReport ? " -send" : "" );
#else
snprintf( szShellCmd, SAL_N_ELEMENTS(szShellCmd),
"%s -p %d -s %d -noui%s",
rtl_string_getStr(crashrep_path_system),
getpid(), Signal, bAutoCrashReport ? " -send" : "" );
#endif
rtl_string_release(crashrep_path_system);
}
ret = szShellCmd[0] == '\0' ? -1 : system( szShellCmd );
if ( pXMLTempName )
unlink( pXMLTempName );
if ( pStackTempName )
unlink( pStackTempName );
if ( pChecksumTempName )
unlink( pChecksumTempName );
if ( -1 != ret )
{
bCrashReporterExecuted = sal_True;
return 1;
}
else
return -1;
}
}
return 0;
}
return 1;
#else /* defined SAL_ENABLE_CRASH_REPORT */
/* the utility crash_report is not build, so do the same as when
the option -nocrashreport is used */
(void) Signal; // avoid warnings
return -1;
#endif /* defined SAL_ENABLE_CRASH_REPORT */
}
static void PrintStack( int sig )
{
#if ! defined(MACOSX) || defined(INCLUDE_BACKTRACE)
void *buffer[MAX_STACK_FRAMES];
int size = backtrace( buffer, SAL_N_ELEMENTS(buffer) );
#endif
fprintf( stderr, "\n\nFatal exception: Signal %d\n", sig );
#if defined(MACOSX) && ! defined(INCLUDE_BACKTRACE)
fprintf( stderr, "Please turn on Enable Crash Reporting and\nAutomatic Display of Crashlogs in the Console application\n" );
#else
if ( size > 0 )
{
fputs( "Stack:\n", stderr );
backtrace_symbols_fd( buffer, size, fileno(stderr) );
}
#endif
}
static oslSignalAction CallSignalHandler(oslSignalInfo *pInfo)
{
oslSignalHandlerImpl* pHandler = SignalList;
oslSignalAction Action = osl_Signal_ActCallNextHdl;
while (pHandler != NULL)
{
if ((Action = pHandler->Handler(pHandler->pData, pInfo))
!= osl_Signal_ActCallNextHdl)
break;
pHandler = pHandler->pNext;
}
return Action;
}
void CallSystemHandler(int Signal)
{
int i;
struct sigaction act;
for (i = 0; i < NoSignals; i++)
{
if (Signals[i].Signal == Signal)
break;
}
if (i < NoSignals)
{
if ((Signals[i].Handler == NULL) ||
(Signals[i].Handler == SIG_DFL) ||
(Signals[i].Handler == SIG_IGN) ||
(Signals[i].Handler == SIG_ERR))
{
switch (Signals[i].Action)
{
case ACT_EXIT: /* terminate */
/* prevent dumping core on exit() */
_exit(255);
break;
case ACT_ABORT: /* terminate witch core dump */
ReportCrash( Signal );
act.sa_handler = SIG_DFL;
act.sa_flags = 0;
sigemptyset(&(act.sa_mask));
sigaction(SIGABRT, &act, NULL);
PrintStack( Signal );
abort();
break;
case ACT_IGNORE: /* ignore */
break;
default: /* should never happen */
OSL_ASSERT(0);
}
}
else
(*Signals[i].Handler)(Signal);
}
}
/*****************************************************************************/
/* SignalHandlerFunction */
/*****************************************************************************/
void SignalHandlerFunction(int Signal)
{
oslSignalInfo Info;
struct sigaction act;
Info.UserSignal = Signal;
Info.UserData = NULL;
switch (Signal)
{
case SIGBUS:
case SIGILL:
case SIGSEGV:
case SIGIOT:
#if ( SIGIOT != SIGABRT )
case SIGABRT:
#endif
Info.Signal = osl_Signal_AccessViolation;
break;
case -1:
Info.Signal = osl_Signal_IntegerDivideByZero;
break;
case SIGFPE:
Info.Signal = osl_Signal_FloatDivideByZero;
break;
case SIGINT:
case SIGTERM:
case SIGQUIT:
case SIGHUP:
Info.Signal = osl_Signal_Terminate;
break;
default:
Info.Signal = osl_Signal_System;
break;
}
ReportCrash( Signal );
/* Portal Demo HACK !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!*/
if (bDoHardKill && (Info.Signal == osl_Signal_AccessViolation))
_exit(255);
/* Portal Demo HACK !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!*/
switch (CallSignalHandler(&Info))
{
case osl_Signal_ActCallNextHdl:
CallSystemHandler(Signal);
break;
case osl_Signal_ActAbortApp:
ReportCrash( Signal );
act.sa_handler = SIG_DFL;
act.sa_flags = 0;
sigemptyset(&(act.sa_mask));
sigaction(SIGABRT, &act, NULL);
PrintStack( Signal );
abort();
break;
case osl_Signal_ActKillApp:
/* prevent dumping core on exit() */
_exit(255);
break;
default:
break;
}
}
/*****************************************************************************/
/* osl_addSignalHandler */
/*****************************************************************************/
oslSignalHandler SAL_CALL osl_addSignalHandler(oslSignalHandlerFunction Handler, void* pData)
{
oslSignalHandlerImpl* pHandler;
OSL_ASSERT(Handler != NULL);
if ( Handler == 0 )
{
return 0;
}
if (! bInitSignal)
bInitSignal = InitSignal();
pHandler = (oslSignalHandlerImpl*) calloc(1, sizeof(oslSignalHandlerImpl));
if (pHandler != NULL)
{
pHandler->Handler = Handler;
pHandler->pData = pData;
osl_acquireMutex(SignalListMutex);
pHandler->pNext = SignalList;
SignalList = pHandler;
osl_releaseMutex(SignalListMutex);
return (pHandler);
}
return (NULL);
}
/*****************************************************************************/
/* osl_removeSignalHandler */
/*****************************************************************************/
sal_Bool SAL_CALL osl_removeSignalHandler(oslSignalHandler Handler)
{
oslSignalHandlerImpl *pHandler, *pPrevious = NULL;
OSL_ASSERT(Handler != NULL);
if (! bInitSignal)
bInitSignal = InitSignal();
osl_acquireMutex(SignalListMutex);
pHandler = SignalList;
while (pHandler != NULL)
{
if (pHandler == Handler)
{
if (pPrevious)
pPrevious->pNext = pHandler->pNext;
else
SignalList = pHandler->pNext;
osl_releaseMutex(SignalListMutex);
if (SignalList == NULL)
bInitSignal = DeInitSignal();
free(pHandler);
return (sal_True);
}
pPrevious = pHandler;
pHandler = pHandler->pNext;
}
osl_releaseMutex(SignalListMutex);
return (sal_False);
}
/*****************************************************************************/
/* osl_raiseSignal */
/*****************************************************************************/
oslSignalAction SAL_CALL osl_raiseSignal(sal_Int32 UserSignal, void* UserData)
{
oslSignalInfo Info;
oslSignalAction Action;
if (! bInitSignal)
bInitSignal = InitSignal();
osl_acquireMutex(SignalListMutex);
Info.Signal = osl_Signal_User;
Info.UserSignal = UserSignal;
Info.UserData = UserData;
Action = CallSignalHandler(&Info);
osl_releaseMutex(SignalListMutex);
return (Action);
}
/*****************************************************************************/
/* osl_setErrorReporting */
/*****************************************************************************/
sal_Bool SAL_CALL osl_setErrorReporting( sal_Bool bEnable )
{
sal_Bool bOld = bErrorReportingEnabled;
bErrorReportingEnabled = bEnable;
return bOld;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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