static void addTempFile(std::string const & filename)
{
lock.lock();
setupUnlocked();
tmpfilenames.push_back(filename);
lock.unlock();
}
void write(iterator sa, iterator se)
{
lock.lock();
// wait for free context if all buffers are in use
if ( high-low == numbuffers )
{
aiocb *waitlist[1] = { &contexts[low%numbuffers] };
aio_suspend (waitlist,1,0);
low++;
}
uint64_t const len = se-sa;
buffers[high % numbuffers] = ::libmaus::autoarray::AutoArray<char>(len);
std::copy ( sa, se, buffers[high%numbuffers].get() );
memset ( &contexts[high%numbuffers], 0, sizeof(aiocb) );
contexts[high%numbuffers].aio_fildes = fd;
contexts[high%numbuffers].aio_buf = buffers[high % numbuffers].get();
contexts[high%numbuffers].aio_nbytes = len;
contexts[high%numbuffers].aio_offset = 0;
contexts[high%numbuffers].aio_sigevent.sigev_notify = SIGEV_NONE;
aio_write( & contexts[high%numbuffers] );
high++;
lock.unlock();
}
static uint64_t addPipeHandler(SignalHandler * handler)
{
lock.lock();
uint64_t const id = sigpipehandlers.size() ? (sigpipehandlers.rbegin()->first+1) : 0;
sigpipehandlers[id] = handler;
lock.unlock();
return id;
}
void write(iterator sa, iterator se)
{
lock.lock();
::libmaus::autoarray::AutoArray<char> buf(se-sa);
std::copy(sa,se,buf.get());
ostr.write(buf.get(),se-sa);
lock.unlock();
}
static void removeAllHandler(uint64_t const id)
{
lock.lock();
siginthandlers.erase(siginthandlers.find(id));
sigtermhandlers.erase(sigtermhandlers.find(id));
sighuphandlers.erase(sighuphandlers.find(id));
sigpipehandlers.erase(sigpipehandlers.find(id));
lock.unlock();
}
static void setup()
{
lock.lock();
if ( ! setupComplete )
{
setupTempFileRemovalRoutines();
setupComplete = true;
}
lock.unlock();
}
static uint64_t addAllHandler(SignalHandler * handler)
{
lock.lock();
uint64_t const pipeid = sigpipehandlers.size() ? (sigpipehandlers.rbegin()->first+1) : 0;
uint64_t const hupid = sighuphandlers.size() ? (sighuphandlers.rbegin()->first+1) : 0;
uint64_t const termid = sigtermhandlers.size() ? (sigtermhandlers.rbegin()->first+1) : 0;
uint64_t const intid = siginthandlers.size() ? (siginthandlers.rbegin()->first+1) : 0;
uint64_t const allid = std::max(std::max(pipeid,hupid),std::max(termid,intid));
siginthandlers[allid] = handler;
sigtermhandlers[allid] = handler;
sighuphandlers[allid] = handler;
sigpipehandlers[allid] = handler;
lock.unlock();
return allid;
}
static void removePipeHandler(uint64_t const id)
{
lock.lock();
sigpipehandlers.erase(sigpipehandlers.find(id));
lock.unlock();
}
static void removeHupHandler(uint64_t const id)
{
lock.lock();
sighuphandlers.erase(sighuphandlers.find(id));
lock.unlock();
}
static void removeTermHandler(uint64_t const id)
{
lock.lock();
sigtermhandlers.erase(sigtermhandlers.find(id));
lock.unlock();
}
static void setup()
{
lock.lock();
setupUnlocked();
lock.unlock();
}
// insert value and return count after insertion
void insert(key_type const v, uint64_t const w)
{
uint64_t const p0 = hash(v);
uint64_t p = p0;
// uint64_t loopcnt = 0;
do
{
// position in use?
if ( H[p].first != base_type::unused() )
{
// value already present
if ( H[p].first == v )
{
H[p].second = w;
return;
}
// in use but by other value (collision)
else
{
p = displace(p,v);
}
}
// position is not currently in use, try to get it
else
{
#if defined(LIBMAUS_HAVE_SYNC_OPS)
bool const ok = __sync_bool_compare_and_swap ( &(H[p].first), base_type::unused(), v);
#else
hlock.lock();
bool const ok = (H[p].first == base_type::unused());
if ( ok )
H[p].first = v;
hlock.unlock();
#endif
assert ( H[p].first != base_type::unused() );
// got it
if ( H[p].first == v )
{
// if this inserted the value, then increment fill
if ( ok )
{
#if defined(LIBMAUS_HAVE_SYNC_OPS)
__sync_fetch_and_add(&fill,1);
#else
clock.lock();
fill++;
clock.unlock();
#endif
}
H[p].second = w;
return;
}
// someone else snapped position p before we got it
else
{
p = displace(p,v);
}
}
} while ( p != p0 );
::libmaus::exception::LibMausException se;
se.getStream() << "SimpleHashMap::insert(): unable to insert, table is full." << std::endl;
se.finish();
throw se;
}
/**
* flush output file
**/
void flush()
{
lock.lock();
ostr.flush();
lock.unlock();
}
