* Initial import of the GtkAML gui frontend - Mostly implemented in just one night :)

* Import the squeue c and vapi sources
* Make 0xFFFF run as squeue daemon with -Q flag
* Up to 0.4

src/Makefile

@@ -1,6 +1,7 @@
 include ../config.mk
-OBJ=main.o fiasco.o hexdump.o dump.o flash.o serial.o
+OBJ=main.o fiasco.o hexdump.o dump.o flash.o serial.o qmode.o
 OBJ+=hash.o fpid.o query.o pieces.o utils.o devices.o console.o
+OBJ+=squeue/squeue.o
 BIN=0xFFFF
 #LIBS=`${HAVE_USB} && echo -- '-lusb'`
 LIBS=`if [ "${HAVE_USB}" = 1 ]; then echo '-lusb'; fi`

src/gui/Makefile

@@ -0,0 +1,6 @@
+all:
+	gtkamlc --Xcc=-I../squeue ../squeue/squeue.c ../squeue/squeue.vapi gui.gtkaml --pkg gtk+-2.0 -o a.out
+
+test:
+	valac --save-temps --Xcc=-I.. squeue.vapi test.vala ../squeue.c -o v
+	valac --save-temps --Xcc=-I.. squeue.vapi client.vala ../squeue.c -o c

src/gui/gui.gtkaml

@@ -0,0 +1,269 @@
+<!--
+
+ Frontend for the 0xFFFF flasher in gtkaml
+
+ author: pancake <youterm.com>
+
+-->
+
+<Window xmlns='Gtk' xmlns:SQueues='SQueues' xmlns:GLib='GLib' xmlns:class="http://gtkaml.org/0.2"
+        class:name="MainWindow" title="0xFFFF GUI" delete-event="{OnWindow1DeleteEvent}">
+<VBox>
+  <MenuBar expand="false">
+    <MenuItem label="_File" with-mnemonic="true">
+    <submenu>
+      <Menu>
+      <ImageMenuItem stock-id="gtk-new" activate="{OnFileNewEvent}"/>
+      <ImageMenuItem stock-id="gtk-open" activate="{OnFileOpenEvent}"/>
+      <SeparatorMenuItem />
+      <ImageMenuItem stock-id="gtk-quit" activate="{OnQuitEvent}"/>
+      </Menu>
+    </submenu>
+    </MenuItem>
+
+    <!-- Help menu -->
+    <MenuItem label="_Help" with-mnemonic="true">
+    <submenu>
+      <Menu>
+	<ImageMenuItem stock-id="gtk-about" activate="{OnMenuHelpAboutActivatedEvent}"/>
+      </Menu>
+    </submenu>
+    </MenuItem>
+  </MenuBar>
+
+  <HBox border-width="5">
+   <VBox border-width="3" spacing="3">
+   <ScrolledWindow can-focus="true" hscrollbar-policy="{PolicyType.AUTOMATIC}" vscrollbar-policy="{PolicyType.AUTOMATIC}">
+    <TreeView class:private="tv">
+    </TreeView>
+   </ScrolledWindow>
+
+  <ProgressBar class:private="pb" expand="false" />
+   </VBox>
+   <VBox expand="false" border-width="3" spacing="3">
+      <Button label="gtk-add" use-stock="true" expand="false" clicked="{OnFileOpenEvent}" />
+      <Button label="gtk-remove" use-stock="true" expand="false" clicked="{list_del}"/>
+    <Label label="" />
+      <Button label="gtk-info" use-stock="true" expand="false" clicked="{OnGetInformation}"/>
+      <Button label="Options" use-stock="false" expand="false"/>
+      <Button label="Fiasco!" use-stock="false" expand="false"/>
+      <Button label="Unpack!" use-stock="false" expand="false"/>
+      <Button label="Go flash!" use-stock="false" expand="false"/>
+   </VBox>
+  </HBox>
+
+ <Statusbar expand="false"/>
+</VBox>
+
+	<AboutDialog class:standalone="true" class:private="aboutdialog1" delete-event="{aboutdialog1.hide_on_delete}"
+		border-width="5" title="About 0xFFFF gui" resizable="false" modal="true"
+		window-position="{WindowPosition.CENTER_ON_PARENT}" has-separator="false"
+		program-name="0xFFFF" version="0.4" copyright="Copyright (c) 2008 pancake"
+		comments="The Free Nokia Internet Tablet flasher"
+		website="http://www.nopcode.org/0xFFFF/" 
+		authors='{new string[] {"pancake (pancake@youterm.com)", null}}'>
+	</AboutDialog>			
+
+<![CDATA[
+private void OnWindow1DeleteEvent ()
+{
+	doCloseApplication ();
+}
+
+private void doCloseApplication ()
+{
+	Gtk.main_quit ();
+}
+
+private void OnFileOpenEvent ()
+{
+	FileChooserDialog fc = new FileChooserDialog("Select file to open",
+			this,
+			FileChooserAction.OPEN,
+			"gtk-cancel",ResponseType.CANCEL,
+			"gtk-open",ResponseType.ACCEPT);
+
+	int resp = fc.run ();
+	fc.hide ();
+	if (resp == ResponseType.ACCEPT)
+	{
+		add_file(fc.get_filename ());
+	}
+	fc.destroy ();
+}
+
+public bool loadFile( string filename )
+{
+	int err = 0;
+	try
+	{
+		string contents; int length;
+		FileUtils.get_contents (filename, out contents, out length);
+		//textview1.buffer.set_text (contents, length);
+	}
+	catch(Error e)
+	{
+		showError ("Unexpected error while loading the file, please contact the author with the following information:\n\n" + e.message);
+		err++;
+	}
+	return err == 0;
+}
+
+public void showMessage(string s, MessageType mt)
+{
+	MessageDialog md = new MessageDialog (this,
+			DialogFlags.DESTROY_WITH_PARENT,
+			mt, ButtonsType.CLOSE, s);
+	md.run ();
+	md.destroy ();
+}
+
+private void OnMenuHelpAboutActivatedEvent ()
+{
+	aboutdialog1.transient_for = this;
+	aboutdialog1.run ();
+}
+
+public void showError (string s)
+{
+	MessageDialog md = new MessageDialog (this,
+			DialogFlags.DESTROY_WITH_PARENT,
+			MessageType.ERROR,
+			ButtonsType.CLOSE,
+			s);
+	md.run ();
+	md.destroy ();
+}
+
+private void OnFileNewEvent ()
+{
+	list_clear();
+	// TODO: clear file list
+}
+
+private void OnQuitEvent ()
+{
+	doCloseApplication();
+}
+
+
+public void list_clear()
+{
+	((ListStore)tv.model).clear();
+}
+
+public void list_del()
+{
+        TreeIter iter;
+        TreeModel model;
+        string str = "";
+
+        TreeSelection sel = tv.get_selection();
+
+        if (sel.count_selected_rows() == 1) {
+                sel.get_selected(out model, out iter);
+                ((ListStore)tv.model).remove(iter);
+        }
+
+        //return str;
+}
+
+public void add_file(string file)
+{
+	ListStore listmodel = (ListStore)tv.get_model();
+	Gtk.TreeIter iter;
+	listmodel.append (out iter);
+	listmodel.set (iter, 0, "initfs", 1, "3M", 2, file, -1);
+}
+
+public static void setup_treeview (Gtk.TreeView view) {
+
+        /* use liststore to hold accountname, accounttype, balance and color attribute */
+        /* for more info how gtkTreeview works take a look in the GTK API */
+
+        var listmodel = new Gtk.ListStore(4, typeof(string), typeof(string), typeof(string), typeof(string));       
+        view.set_model(listmodel);
+
+        view.insert_column_with_attributes (-1, "Type", new Gtk.CellRendererText(), "text", 0, null);
+        view.insert_column_with_attributes (-1, "Size", new Gtk.CellRendererText(), "text", 1, null);
+
+        var cell = new Gtk.CellRendererText (); 
+        cell.set ("foreground_set", true, null);
+        view.insert_column_with_attributes (-1, "Name", cell, "text", 2, "foreground", 3, null);
+
+        Gtk.TreeIter iter;
+        listmodel.append (out iter);
+        listmodel.set (iter, 0, "initfs", 1, "3M", 2, "initfs.jffs", -1);
+        //listmodel.set (iter, 0, "initfs", 1, "3M", 2, "initfs.jffs", 3, "green", -1);
+
+        listmodel.append (out iter);
+        listmodel.set (iter, 0, "rootfs", 1, "52M", 2, "rootfs.jffs", -1);
+    }
+
+public static bool readFunc()
+{
+	weak string msg = p->get(0);
+	//string str = "%s".printf(msg);
+	if (msg != null && msg[0]!='\0') {
+		stdout.printf("chk msg found hwhe (%s)\n", msg);
+		viewer.showMessage(msg, MessageType.INFO);
+		p->pop();
+	}
+	return true;
+}
+
+static SQueue *q = null;
+static SQueue *p = null;
+
+private void OnGetInformation()
+{
+stdout.printf("chking\n");
+	msg("foo");
+}
+
+private bool chk_queues()
+{
+	if (p == null)
+		p = SQueue.open("/tmp/0xFFFF.1", SQueueMode.OPEN);
+	if (q == null)
+		q = SQueue.open("/tmp/0xFFFF.2", SQueueMode.OPEN);
+	if (p == null || q == null) {
+		showMessage("Cannot connect to queues", MessageType.ERROR);
+		return false;
+	}
+	return true;
+}
+
+public void msg(string str)
+{
+	if (!chk_queues())
+		return;
+	if (q->push(str, 0)<1) {
+		stderr.printf("Oops on push\n");
+		q->free();
+		q = null;
+		p->free();
+		p = null;
+	}
+}
+
+static MainWindow viewer;
+
+static int main (string[] args)
+{
+	Gtk.init (ref args);
+	viewer = new MainWindow();
+	if (args.length > 1)
+		viewer.loadFile (args[1]);
+	viewer.resize(600,400);
+	viewer.set_position(WindowPosition.CENTER);
+	setup_treeview(viewer.tv);
+	viewer.show_all ();
+	viewer.showMessage("This software is beta and does not guaranties correct functionality", MessageType.WARNING);
+	Timeout.add(600, (SourceFunc)(readFunc));
+	Gtk.main ();
+	return 0;
+}
+
+]]>
+</Window>

src/main.c

@@ -1,6 +1,6 @@
 /*
  *  0xFFFF - Open Free Fiasco Firmware Flasher
- *  Copyright (C) 2007  pancake <pancake@youterm.com>
+ *  Copyright (C) 2007, 2008  pancake <pancake@youterm.com>
  *
  *  This program is free software: you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by
@@ -23,6 +23,10 @@
 #include <stdlib.h>
 #include <getopt.h>
 
+#if HAVE_SQUEUE
+#include "squeue/squeue.h"
+#endif
+
 /* global pr0n */
 #if HAVE_USB
 #include <usb.h>
@@ -40,6 +44,7 @@ int    verbose             = 0;
 int    identify            = 0;
 int    moboreboot          = 0;
 int    unpack              = 0;
+int    qmode               = 0;
 int    info                = 0;
 
 /* global structs */
@@ -90,6 +95,9 @@ void show_usage()
 	printf(" -r [0|1]        disable/enable R&D mode\n");
 	printf(" -R              reboot the omap board\n");
 	printf(" -U [0|1]        disable/enable the usb host mode\n");
+#endif
+#if HAVE_SQUEUE
+	printf(" -Q              enter shared queues server mode (for gui or remote)\n");
 #endif
 	printf("Local stuff:\n");
 	printf(" -s [serial]     serial port console (minicom like terminal)\n");
@@ -222,7 +230,7 @@ int main(int argc, char **argv)
 {
 	int c;
 
-	while((c = getopt(argc, argv, "C:cp:PvVhRu:ib:U:r:e:ld:I:D:f:F:s:xH:")) != -1) {
+	while((c = getopt(argc, argv, "QC:cp:PvVhRu:ib:U:r:e:ld:I:D:f:F:s:xH:")) != -1) {
 		switch(c) {
 		case 'H':
 			printf("xorpair: %04x\n", do_hash_file(optarg));
@@ -286,6 +294,9 @@ int main(int argc, char **argv)
 			fiasco_image = optarg;
 			unpack = 1;
 			break;
+		case 'Q':
+			qmode = 1;
+			break;
 		case 'P':
 			return fiasco_pack(optind, argv);
 		case 'I':
@@ -306,6 +317,9 @@ int main(int argc, char **argv)
 		}
 	}
 
+	if (qmode)
+		return queue_mode();
+
 	if (identify)
 		return 0;
 
@@ -321,9 +335,11 @@ int main(int argc, char **argv)
 	&&	(usb_mode     == -1)
 	&& 	(root_device  == -1))
 	{
-		printf("0xFFFF [-chilRvVx] [-C mtd-dev] [-d vid:pid] [-D 0|1|2] [-e path] [-f flags]\n");
-		printf("       [-F fiasco] [-H hash-file] [-I piece] [-p [piece%%]file]] [-r 0|1]\n");
-		printf("       [-s serial-dev] [-u fiasco-image] [-U 0|1] | [-P new-fiasco] [piece1] [2] ..\n");
+
+		printf("# The Free Fiasco Firmware Flasher v"VERSION"\n"
+		"0xFFFF [-chilQRvVx] [-C mtd-dev] [-d vid:pid] [-D 0|1|2] [-e path] [-f flags]\n"
+		"       [-F fiasco] [-H hash-file] [-I piece] [-p [piece%%]file]] [-r 0|1]\n"
+		"       [-s serial-dev] [-u fiasco-image] [-U 0|1] | [-P new-fiasco] [piece1] [2] ..\n");
 		return 1;
 	}
 

src/main.h

@@ -4,6 +4,7 @@
 
 #include "hash.h"
 #include "nolo.h"
+#include "os.h"
 
 #define _FILE_OFFSET_BITS 64
 #define _GNU_SOURCE
@@ -11,6 +12,7 @@
 // Forward declaration for use in function arguments.
 struct devices;
 
+int queue_mode();
 int reverse_extract_pieces(char *dir);
 void flash_image(char *filename, char *piece, char *version);
 int fiasco_read_image(char *file);

src/os.h

@@ -0,0 +1,10 @@
+#ifndef _OS_H_
+#define _OS_H_
+
+#if __linux__ || __NetBSD__ || __FreBSD__ || __OpenBSD__ || __Darwin__ || __MacOSX__
+#define HAVE_SQUEUE 1
+#else
+#define HAVE_SQUEUE 0
+#endif
+
+#endif

src/qmode.c

@@ -0,0 +1,83 @@
+/*
+ *  0xFFFF - Open Free Fiasco Firmware Flasher
+ *  Copyright (C) 2008  pancake <pancake@youterm.com>
+ *
+ *  This program 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.
+ *
+ *  This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "main.h"
+#include "os.h"
+#include <stdio.h>
+#if HAVE_SQUEUE
+#include "squeue/squeue.h"
+
+struct squeue_t *q;
+struct squeue_t *p;
+
+int fork_enabled = 0;
+int dofork()
+{
+	if (fork_enabled)
+		return fork();
+	return 0;
+}
+
+void process_message(char *msg)
+{
+	squeue_push(p, "nice shot!", 0);
+	printf("childa (%s)\n", msg);
+}
+
+int queue_mode()
+{
+	int pid = 0;
+	char *msg;
+
+	pid = dofork();
+	if (pid) {
+		wait(pid);
+		return 0;
+	} else {
+		p = squeue_open("/tmp/0xFFFF.1", Q_CREAT);
+		q = squeue_open("/tmp/0xFFFF.2", Q_CREAT);
+		if (p == NULL || q == NULL) {
+			fprintf(stderr, "Cannot open queue files\n");
+			return 0;
+		}
+		pid = dofork();
+		if (pid) {
+			printf( "Entering into shared queue server mode.\n"
+			"Type $ kill -9 %d # to stop\n"
+			"NOTE: Manually remove the /tmp/.0xFFFF.* files to solve perm problems\n", pid);
+		} else {
+			printf("Waiting for a client in shared queues..\n");
+			setsid();
+			while(1) {
+				msg = squeue_get(q, 1);
+				if (msg) {
+					process_message(msg);
+					squeue_pop(q);
+				}
+			}
+		}
+	}
+	return 0;
+}
+#else
+int queue_mode()
+{
+	/* dummy */
+	fprintf(stderr, "No HAVE_SQUEUE support\n");
+}
+#endif

src/squeue/squeue.c

@@ -0,0 +1,250 @@
+#include "squeue.h"
+#include <unistd.h>
+#include <stdlib.h>
+#include <sys/ipc.h>
+#include <signal.h>
+#include <sys/shm.h>
+#include <sys/mman.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <string.h>
+
+#define POOL_SIZE ITEM_MAX*ITEM_SIZE
+#define ITEM_SIZE 80
+#define ITEM_MAX 10
+
+int squeue_release(const char *file)
+{
+	int shmid;
+	key_t k = ftok(file, 0xa3);
+	
+	if (k == -1) {
+		perror("ftok");
+		return -1;
+	}
+	
+	shmid = shmget(k, POOL_SIZE, 0666);
+	if (shmid == -1)
+		return -1; // not released
+	return shmctl(shmid, IPC_RMID,NULL);
+}
+
+struct squeue_t *squeue_open(const char *file, int mode)
+{
+	struct squeue_t *q;
+	char *pool;
+	int shmid;
+	key_t k = ftok(file, 0xa3);
+_retry:
+	shmid = shmget(k, POOL_SIZE, 0666);
+	if (shmid == -1) {
+		if (mode == Q_WAIT) {
+			usleep(200);
+			goto _retry;
+		}
+		shmid = shmget(k, POOL_SIZE, 0666|IPC_EXCL|((mode==Q_CREAT)?IPC_CREAT:0));
+		if (shmid == -1) {
+			if (mode == Q_WAIT) {
+				usleep(200);
+				goto _retry;
+			}
+			perror("shmget");
+			return NULL;
+		}
+	}
+
+	if (mode == Q_WAIT)
+		mode = Q_OPEN;
+
+	pool = shmat(shmid, NULL, k);
+	if (((int)pool) == -1) {
+		perror("shmat\n");
+		return NULL;
+	}
+
+	if (mode == Q_CREAT)
+		memset(pool, '\0', POOL_SIZE);
+
+	q = (struct squeue_t *)malloc(sizeof(struct squeue_t));
+	memset(q, '\0', sizeof(struct squeue_t));
+	q->shmid = shmid;
+	q->pool  = pool;
+	q->mode  = mode;
+
+	return q;
+}
+
+void squeue_free(struct squeue_t *q)
+{
+	free(q);
+}
+
+int squeue_close(struct squeue_t *q)
+{
+	char *pool;
+
+	if (q==NULL)
+		return -1;
+
+	pool = q->pool;
+	shmctl(q->shmid, IPC_RMID, NULL);
+	free(q);
+	return shmdt(pool);
+}
+
+int squeue_push(struct squeue_t *q, const char *str, int lock)
+{
+	int i;
+
+	if (q==NULL)
+		return -1;
+//	if (q->mode == Q_CREAT) {
+//		printf("squeue_push: cannot push from the creator\n");
+//		return -1;
+//	}
+
+	if (str==NULL||strlen(str)>ITEM_SIZE)
+		return -1;
+	do {
+		if (q->squeue_idx >= ITEM_MAX) {
+			while (q->pool[0]!='\0') {
+				q->squeue_locks++;
+				if (!lock) {
+					printf("buffer is full\n");
+					return -1;
+				}
+				usleep(200);
+			}
+			q->squeue_idx = 0;
+		}
+		
+		for(i=q->squeue_idx*ITEM_SIZE;i<POOL_SIZE;i+=ITEM_SIZE) {
+			if (q->pool[i]=='\0') {
+				strcpy(q->pool+i, str);
+				q->squeue_idx++;
+				return 1;
+			}
+		}
+		q->squeue_locks++;
+	} while (lock);
+	q->squeue_lost++;
+
+	return 0;
+}
+
+int squeue_pop(struct squeue_t *q)
+{
+	int i;
+	int two = 1;
+
+	if (q==NULL)
+		return -1;
+//	if (q->mode == Q_OPEN) { // cannot pop when not owner of squeue
+//		fprintf(stderr, "squeue_pop: cannot pop when you are not owner.\n");
+//		return -1;
+//	}
+	for(two=1;two--;q->head_idx = 0)
+		for(i=q->head_idx*ITEM_SIZE;i<POOL_SIZE;i+=ITEM_SIZE) {
+			if (q->pool[i]!='\0') {
+				q->pool[i]='\0';
+				q->head_idx++;
+				q->squeue_pops++;
+				return 1;
+			}
+		}
+	q->squeue_oops++;
+	fprintf(stderr, "WARNING: race condition detected in squeue.\n");
+	return 0;
+}
+
+char *squeue_get(struct squeue_t *q, int lock)
+{
+	int i=0;
+	int two = 1;
+
+	if(q==NULL)
+		return NULL;
+//	if (q->mode == Q_OPEN) { // cannot pop when not owner of squeue
+//		fprintf(stderr, "squeue_get: cannot pop when you are not owner.\n");
+//		return NULL;
+//	}
+	do {
+		for(two=1;two--;q->head_idx = 0) {
+			for(i=q->head_idx*ITEM_SIZE;i<POOL_SIZE;i+=ITEM_SIZE)
+				if (q->pool[i]!='\0')
+					return q->pool+i;
+		}
+		if (lock)
+			usleep(500);
+	} while (lock);
+	return NULL;
+}
+
+void squeue_stats(struct squeue_t *q)
+{
+	if(q==NULL)
+		return;
+	printf("Queue locks: %d\n", q->squeue_locks);
+	printf("Queue lost: %d\n", q->squeue_lost);
+	printf("Queue oops: %d\n", q->squeue_oops);
+	printf("Queue pops: %d\n", q->squeue_pops);
+}
+
+#if _MAIN_
+struct squeue_t *q;
+
+int sigc()
+{
+	squeue_stats(q);
+	exit(1);
+}
+
+int main()
+{
+	char buf[102];
+	int i;
+	int pid;
+
+	signal(SIGINT, sigc);
+
+	squeue_release("/dev/null");
+
+	pid = fork();
+	if (pid) {
+		q = squeue_open("/dev/null", Q_CREAT);
+		if (q == NULL) {
+			perror("oops");
+			kill(pid, SIGINT);
+			return;
+		}
+		squeue_push(q, "Hello World", 0);
+		squeue_push(q, "jeje msg 2", 0);
+
+		while(1) {
+			char *uh = squeue_get(q,1);
+			if (uh) {
+				printf("get: (%s)\n", uh);
+				squeue_pop(q);
+			}
+			usleep(200);
+		}
+		squeue_close(q);
+	} else {
+		q = squeue_open("/dev/null", Q_WAIT);
+		if (q == NULL) {
+			perror("oops");
+			return;
+		}
+		for(i=0;i<128;i++) {
+			sprintf(buf, "puta%d", i);
+			squeue_push(q, buf, 1);
+			usleep(100);
+		}
+		squeue_stats(q);
+		printf("cya\n");
+		squeue_close(q);
+	}
+
+	return 0;
+}
+#endif

src/squeue/squeue.h

@@ -0,0 +1,27 @@
+struct squeue_t {
+	int shmid;
+	int mode;
+	char *pool;
+	/* pointers */
+	int head_idx;
+	int squeue_idx;
+	/* counters */
+	int squeue_locks;
+	int squeue_lost;
+	int squeue_oops;
+	int squeue_pops;
+};
+
+
+#define Q_OPEN 0
+#define Q_CREAT 1
+#define Q_WAIT 2
+
+int squeue_release(const char *file);
+struct squeue_t *squeue_open(const char *file, int init);
+int squeue_close(struct squeue_t *q);
+void squeue_free(struct squeue_t *q);
+int squeue_push(struct squeue_t *q, const char *str, int lock);
+int squeue_pop(struct squeue_t *q);
+char *squeue_get(struct squeue_t *q, int lock);
+void squeue_stats(struct squeue_t *q);

src/squeue/squeue.vapi

@@ -0,0 +1,43 @@
+using GLib;
+
+[CCode (lower_case_cprefix = "squeue_", cheader_filename = "squeue.h")]
+namespace SQueues {
+	[CCode (cname = "struct squeue_t", free_function = "squeue_free")]
+	public struct SQueue {
+		int shmid;
+		int mode;
+		char *pool;
+		/* pointers */
+		int head_idx;
+		int queue_idx;
+		/* counters */
+		int locks;
+		int lost;
+		int oops;
+		int pops;
+		[CCode (cname = "squeue_open")]
+		public static SQueue* open(string file, int mode);
+		[CCode (cname = "squeue_push")]
+		public int push(string msg, int l);
+		[CCode (cname = "squeue_get")]
+		public weak string get(int l);
+		[CCode (cname = "squeue_pop")]
+		public int pop();
+		[CCode (cname = "squeue_stats")]
+		public int stats();
+		[CCode (cname = "squeue_close")]
+		public int close();
+		[CCode (cname = "squeue_free")]
+		public int free();
+		[CCode (cname = "squeue_release")]
+		public static int release(string file);
+		
+	}
+
+	[CCode (cprefix = "Q_", cheader_fileneme = "squeue.h")]
+        public enum SQueueMode {
+		OPEN   = 0,
+		CREAT  = 1,
+		WAIT   = 2
+	}
+}