int StackTraceResolverImpl<ObjectFileFormat::Windows>::resolve(
StackTrace *stackTrace,
bool demangle)
// Given a specified stack trace object 'stackTrace' of stack trace frames
// with only their 'address' fields valid, set as many other fields of the
// frames as possible. The 'demangle' argument is ignored, demangling
// always happens on Windows. Return 0 if successful and a non-zero value
// otherwise.
{
typedef bsl::map<HMODULE, const char *> LibNameMap;
bdlma::HeapBypassAllocator hbpAlloc;
bslmt::QLockGuard guard(&DbghelpDllImpl_Windows::qLock());
DbghelpDllImpl_Windows::symSetOptions(SYMOPT_NO_PROMPTS
| SYMOPT_LOAD_LINES
| SYMOPT_DEFERRED_LOADS);
// | SYMOPT_DEBUG);
int numFrames = stackTrace->length();
LibNameMap libNameMap(&hbpAlloc);
char *libNameBuf = (char *) hbpAlloc.allocate(MAX_PATH);
enum { MAX_SYMBOL_BUF_NAME_LENGTH = 2000 };
#ifdef BSLS_PLATFORM_CPU_32_BIT
enum { SIZEOF_SEGMENT = sizeof(SYMBOL_INFO) +
MAX_SYMBOL_BUF_NAME_LENGTH * sizeof(TCHAR) };
SYMBOL_INFO *sym = (SYMBOL_INFO*) hbpAlloc.allocate(SIZEOF_SEGMENT);
#else
enum { SIZEOF_SEGMENT = sizeof(IMAGEHLP_SYMBOL64) +
MAX_SYMBOL_BUF_NAME_LENGTH * sizeof(TCHAR) };
IMAGEHLP_SYMBOL64 *sym = (IMAGEHLP_SYMBOL64 *)
hbpAlloc.allocate(SIZEOF_SEGMENT);
#endif
for (int i = 0; i < numFrames; ++i) {
StackTraceFrame *frame = &(*stackTrace)[i];
DWORD64 address = (DWORD64) frame->address();
IMAGEHLP_LINE64 line;
ZeroMemory(&line, sizeof(IMAGEHLP_LINE64));
line.SizeOfStruct = sizeof(line);
DWORD offsetFromLine;
int rc = DbghelpDllImpl_Windows::symGetLineFromAddr64(address,
&offsetFromLine,
&line);
if (rc) {
frame->setSourceFileName(line.FileName);
frame->setLineNumber(line.LineNumber);
}
else {
reportError("stack trace resolver error: symGetLineFromAddr64"
" error code: ");
}
DWORD64 offsetFromSymbol = 0;
ZeroMemory(sym, SIZEOF_SEGMENT);
sym->SizeOfStruct = sizeof(*sym);
#ifdef BSLS_PLATFORM_CPU_32_BIT
sym->MaxNameLen = MAX_SYMBOL_BUF_NAME_LENGTH;
rc = DbghelpDllImpl_Windows::symFromAddr(address,
&offsetFromSymbol,
sym);
#else
BSLMF_ASSERT(sizeof(void *) == 8);
sym->MaxNameLength = MAX_SYMBOL_BUF_NAME_LENGTH;
rc = DbghelpDllImpl_Windows::symGetSymFromAddr64(address,
&offsetFromSymbol,
sym);
#endif
if (rc) {
// windows is always demangled
((TCHAR *) sym)[SIZEOF_SEGMENT - 1] = 0;
frame->setMangledSymbolName(sym->Name);
frame->setSymbolName(frame->mangledSymbolName());
frame->setOffsetFromSymbol((bsl::size_t) offsetFromSymbol);
}
else {
#ifdef BSLS_PLATFORM_CPU_32_BIT
reportError("stack trace resolver error: SymFromAddr"
" error code: ");
#else
reportError("stack trace resolver error: SymGetSymFromAddr64"
" error code: ");
#endif
}
HMODULE hModule = NULL;
MEMORY_BASIC_INFORMATION mbi;
if (VirtualQuery((LPCVOID) address, &mbi, sizeof(mbi))) {
hModule = (HMODULE)(mbi.AllocationBase);
}
LibNameMap::iterator it = libNameMap.find(hModule);
if (libNameMap.end() != it) {
// If the library name in the map is "", leave the library file
// name in the frame null.
if (*it->second) {
frame->setLibraryFileName(it->second);
}
}
else {
rc = GetModuleFileNameA(hModule,
libNameBuf,
MAX_PATH);
libNameBuf[MAX_PATH-1] = 0;
if (!rc) {
// Failed. Put a null lib name into the map so we won't waste
// time looking up the same library again. Leave the
// libraryFileName in the frame null.
libNameMap[hModule] = bdlb::String::copy("", &hbpAlloc);
}
else {
frame->setLibraryFileName(libNameBuf);
libNameMap[hModule] = frame->libraryFileName().c_str();
}
}
}
return 0;
}
// CREATORS
inline
StackTraceTestAllocator::BlockHeader::BlockHeader(
BlockHeader *next,
BlockHeader **prevNext,
StackTraceTestAllocator *stackTraceTestAllocator,
UintPtr magic)
: d_next_p(next)
, d_prevNext_p(prevNext)
, d_allocator_p(stackTraceTestAllocator)
, d_magic(magic)
{
BSLMF_ASSERT(0 == sizeof(BlockHeader) % k_MAX_ALIGNMENT);
BSLMF_ASSERT(sizeof(BlockHeader) == 4 * sizeof(void *));
}
int btlso::SocketImpUtil::shutDown(
const btlso::SocketHandle::Handle& socket,
btlso::SocketImpUtil::ShutDownType how,
int *errorCode)
{
int rc;
BSLMF_ASSERT(e_SHUTDOWN_RECEIVE == 0
&& e_SHUTDOWN_SEND == 1
&& e_SHUTDOWN_BOTH == 2);
BSLS_ASSERT(static_cast<int>(how) >= e_SHUTDOWN_RECEIVE
&& static_cast<int>(how) <= e_SHUTDOWN_BOTH);
rc = ::shutdown(socket, static_cast<int>(how));
int errorNumber = rc >= 0 ? 0 : SocketImpUtil_Util::getErrorCode();
if (errorNumber && errorCode) {
*errorCode = errorNumber;
}
return errorNumber ? SocketImpUtil_Util::mapErrorCode(errorNumber) : 0;
}
