add missing file

This commit is contained in:
Simon Kornblith 2010-12-19 06:27:42 +00:00
parent 66b1ce048d
commit afea210a99

View File

@ -0,0 +1,66 @@
/*
***** BEGIN LICENSE BLOCK *****
Copyright © 2009 Center for History and New Media
George Mason University, Fairfax, Virginia, USA
http://zotero.org
This file is part of Zotero.
Zotero is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Zotero 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with Zotero. If not, see <http://www.gnu.org/licenses/>.
***** END LICENSE BLOCK *****
*/
onmessage = function(event) {
var path = event.data.path;
// ctypes declarations follow
var lib = ctypes.open(event.data.libc);
// int open(const char *path, int oflag, ...);
var open = lib.declare("open", ctypes.default_abi, ctypes.int, ctypes.char.ptr, ctypes.int);
// ssize_t read(int fildes, void *buf, size_t nbyte);
var read = lib.declare("read", ctypes.default_abi, ctypes.ssize_t, ctypes.int,
ctypes.char.ptr, ctypes.size_t);
// int close(int fildes);
var close = lib.declare("close", ctypes.default_abi, ctypes.int, ctypes.int);
// define buffer for reading from fifo
const BUFFER_SIZE = 4096;
var buf = ctypes.char.array(BUFFER_SIZE)("");
var bufPtr = buf.address();
while(true) {
// open fifo (this will block until something writes to it)
var fd = open(path, 0);
// read from fifo and close it
read(fd, buf, BUFFER_SIZE);
close(fd);
// extract message
var parts = buf.readString().match(/^([^ \n]*) ([^ \n]*)(?: ([^\n]*))?\n?$/);
var agent = parts[1].toString();
var cmd = parts[2].toString();
var document = parts[3] ? parts[3] : null;
if(agent == "Zotero" && cmd == "shutdown") {
lib.close();
return;
}
postMessage([agent, cmd, document]);
}
};