pike.git / lib / modules / Sql.pmod / pgsql_util.pmod

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pike.git/lib/modules/Sql.pmod/pgsql_util.pmod:165:      private inline mixed callout(function(mixed ...:void) f,    float|int delay,mixed ... args) {    return local_backend->call_out(f,delay,@args);   }      // Some pgsql utility functions      class bufcon {    inherit Stdio.Buffer; +  private int dirty;      #ifdef PG_DEBUGRACE    final bufcon `chain() {    return this;    }   #endif       private conxion realbuffer;       protected void create(conxion _realbuffer) {    realbuffer=_realbuffer;    }       final int `stashcount() {    return realbuffer->stashcount;    }       final bufcon start(void|int waitforreal) { -  +  dirty = 1;    realbuffer->stashcount++; -  +  dirty = 2;   #ifdef PG_DEBUG    if(waitforreal)    error("pgsql.bufcon not allowed here\n");   #endif    return this;    }       final void sendcmd(int mode,void|sql_result portal) {    Thread.MutexKey lock=realbuffer->shortmux->lock();    if (portal)
pike.git/lib/modules/Sql.pmod/pgsql_util.pmod:205:    if (mode == SYNCSEND) {    add(PGSYNC);    realbuffer->stashqueue->write(1);    mode = SENDOUT; // Demote it to prevent an extra SYNC upon stashflush    }    realbuffer->stash->add(this);    PD("%d>Stashed mode %d > %d\n",    realbuffer->socket->query_fd(), mode, realbuffer->stashflushmode);    if (mode > realbuffer->stashflushmode)    realbuffer->stashflushmode = mode; +  dirty = 1;    if(!--realbuffer->stashcount) -  realbuffer->stashavail.signal(); +  dirty = 0, realbuffer->stashavail.signal(); +  else +  dirty = 0;    lock=0;    this->clear();    if(lock=realbuffer->nostash->trylock(1)) {   #ifdef PG_DEBUGRACE    conxsess sess = conxsess(realbuffer);    realbuffer->started = lock;    lock = 0;    sess->sendcmd(SENDOUT);   #else    realbuffer->started = lock;    lock = 0;    realbuffer->sendcmd(SENDOUT);   #endif    }    } -  +  +  protected void _destruct() { +  switch (dirty) { +  case 1: +  werror("FIXME: Race condition detected %s\n", +  describe_backtrace(({"", backtrace()[..<1]}))); +  if (!realbuffer->stashcount) +  break; +  case 2: +  Thread.MutexKey lock = realbuffer->shortmux->lock(2); +  if (!--realbuffer->stashcount) +  realbuffer->stashavail.signal(); +  lock = 0; +  } +  }   };      class conxiin {    inherit Stdio.Buffer:i;       final Thread.Condition fillread;    final Thread.Mutex fillreadmux;    final int procmsg;    private int didreadcb;   
pike.git/lib/modules/Sql.pmod/pgsql_util.pmod:333:    mode = getstash(KEEP);    lock=0;    if (mode > KEEP)    sendcmd(mode); // Force out stash to the server   #ifdef PG_DEBUGRACE    return sess;   #else    return this;   #endif    } -  stashcount++; -  return bufcon(this); +  return bufcon(this)->start();    }       private int write_cb() {    Thread.MutexKey lock = shortmux->lock();    if (this) { // Guard against async destructs    towrite -= output_to(socket, towrite);    lock = 0;    if (!i->fillread && !sizeof(this))    close();    }
pike.git/lib/modules/Sql.pmod/pgsql_util.pmod:511:       private string _sprintf(int type) {    string res=UNDEFINED;    switch(type) {    case 'O':    int fd=-1;    if(socket)    catch(fd=socket->query_fd());    res=predef::sprintf("conxion fd: %d input queue: %d/%d "    "queued portals: %d output queue: %d/%d\n" -  "started: %d\n", +  "started: %d stashcount: %d\n",    fd,sizeof(i),i->_size_object(),    qportals && qportals->size(), sizeof(this), _size_object(), -  !!started); +  !!started, stashcount);    break;    }    return res;    }       protected void create(object pgsqlsess,Thread.Queue _qportals,int nossl) {    o::create();    qportals = _qportals;    synctransact = 1;    socket=sfile();