tests all pass

binding.gyp

@@ -10,7 +10,8 @@
     ],
     "sources": [
       "fuse-native.c"
-    ]
+    ],
+    "cflags": ["-rdynamic"]
   }, {
     "target_name": "postinstall",
     "type": "none",

example.js

@@ -60,7 +60,7 @@ fuse.mount(err => {
   console.log('filesystem mounted on ' + fuse.mnt)
 })
 
-process.on('SIGINT', function () {
+process.once('SIGINT', function () {
   fuse.unmount(err => {
     if (err) {
       console.log('filesystem at ' + fuse.mnt + ' not unmounted', err)

fuse-native.c

@@ -1,16 +1,17 @@
 #define FUSE_USE_VERSION 29
 
-#include "semaphore.h"
-
 #include <uv.h>
 #include <node_api.h>
 #include <napi-macros.h>
 
+#include <string.h>
 #include <stdio.h>
+
 #include <stdlib.h>
 
 #include <fuse.h>
 #include <fuse_opt.h>
+#include <fuse_common.h>
 #include <fuse_lowlevel.h>
 
 #include <unistd.h>
@@ -29,14 +30,11 @@
   napi_close_handle_scope(env, scope);
 
 #define FUSE_NATIVE_HANDLER(name, blk)\
-  struct fuse_context *ctx = fuse_get_context();\
-  fuse_thread_t *ft = (fuse_thread_t *) ctx->private_data;\
   fuse_thread_locals_t *l = get_thread_locals();\
-  l->fuse = ft;\
   l->op = op_##name;\
   blk\
   uv_async_send(&(l->async));\
-  fuse_native_semaphore_wait(&(l->sem));\
+  uv_sem_wait(&(l->sem));\
   return l->res;
 
 #define FUSE_METHOD(name, callbackArgs, signalArgs, signature, callBlk, callbackBlk, signalBlk)\
@@ -57,7 +55,7 @@
     int ret = NULL;\
     signalBlk\
     l->res = ret ? ret : res;\
-    fuse_native_semaphore_signal(&(l->sem));\
+    uv_sem_post(&(l->sem));\
     return ret;\
   }\
   static int fuse_native_##name signature {\
@@ -115,8 +113,13 @@ typedef struct {
 
   struct fuse *fuse;
   struct fuse_chan *ch;
-  bool mounted;
+  char* mnt;
+  char* mntopts;
+  int mounted;
+
   uv_async_t async;
+  uv_mutex_t mut;
+  uv_sem_t sem;
 } fuse_thread_t;
 
 typedef struct {
@@ -156,7 +159,7 @@ typedef struct {
 
   // Internal bookkeeping
   fuse_thread_t *fuse;
-  fuse_native_semaphore_t sem;
+  uv_sem_t sem;
   uv_async_t async;
 
 } fuse_thread_locals_t;
@@ -764,7 +767,28 @@ static void fuse_native_dispatch (uv_async_t* handle, int status) {
   }
 }
 
+static void fuse_native_async_init (uv_async_t* handle, int status) {
+  fuse_thread_locals_t *l = (fuse_thread_locals_t *) handle->data;
+  fuse_thread_t *ft = l->fuse;
+
+  int err = uv_async_init(uv_default_loop(), &(l->async), (uv_async_cb) fuse_native_dispatch);
+  uv_unref(&(l->async));
+
+  uv_sem_init(&(l->sem), 0);
+  l->async.data = l;
+
+  uv_sem_post(&(ft->sem));
+
+  if (err < 0) {
+    printf("uv_async_init failed: %i\n", err);
+    return NULL;
+  }
+}
+
 static fuse_thread_locals_t* get_thread_locals () {
+  struct fuse_context *ctx = fuse_get_context();
+  fuse_thread_t *ft = (fuse_thread_t *) ctx->private_data;
+
   void *data = pthread_getspecific(thread_locals_key);
 
   if (data != NULL) {
@@ -772,19 +796,20 @@ static fuse_thread_locals_t* get_thread_locals () {
   }
 
   fuse_thread_locals_t* l = (fuse_thread_locals_t *) malloc(sizeof(fuse_thread_locals_t));
+  l->fuse = ft;
 
-  // TODO: mutex me??
+  // Need to lock the mutation of l->async.
-  int err = uv_async_init(uv_default_loop(), &(l->async), (uv_async_cb) fuse_native_dispatch);
+  uv_mutex_lock(&(ft->mut));
+  ft->async.data = l;
+
+  // Notify the main thread to uv_async_init l->async.
+  uv_async_send(&(ft->async));
+  uv_sem_wait(&(ft->sem));
 
   l->async.data = l;
 
-  if (err < 0) {
-    printf("uv_async failed: %i\n", err);
-    return NULL;
-  }
-
-  fuse_native_semaphore_init(&(l->sem));
   pthread_setspecific(thread_locals_key, (void *) l);
+  uv_mutex_unlock(&(ft->mut));
 
   return l;
 }
@@ -793,10 +818,9 @@ static void* start_fuse_thread (void *data) {
   fuse_thread_t *ft = (fuse_thread_t *) data;
   fuse_loop_mt(ft->fuse);
 
-  // printf("her nu\n");
+  fuse_unmount(ft->mnt, ft->ch);
-  // fuse_unmount(mnt, ch);
+  fuse_session_remove_chan(ft->ch);
-  // fuse_session_remove_chan(ch);
+  fuse_destroy(ft->fuse);
-  // fuse_destroy(fuse);
 
   return NULL;
 }
@@ -816,14 +840,12 @@ NAPI_METHOD(fuse_native_mount) {
   }
 
   NAPI_FOR_EACH(handlers, handler) {
-    printf("creating reference for handler: %d\n", i);
     napi_create_reference(env, handler, 1, &ft->handlers[i]);
   }
 
   ft->env = env;
 
   struct fuse_operations ops = { };
-
   if (implemented[op_access]) ops.access = fuse_native_access;
   if (implemented[op_truncate]) ops.truncate = fuse_native_truncate;
   if (implemented[op_ftruncate]) ops.ftruncate = fuse_native_ftruncate;
@@ -875,11 +897,18 @@ NAPI_METHOD(fuse_native_mount) {
 
   struct fuse *fuse = fuse_new(ch, &args, &ops, sizeof(struct fuse_operations), ft);
 
+  uv_mutex_init(&(ft->mut));
+  uv_sem_init(&(ft->sem), 0);
+
+  ft->mnt = mnt;
+  ft->mntopts = mntopts;
   ft->fuse = fuse;
   ft->ch = ch;
-  ft->mounted = true;
+  ft->mounted++;
 
-  if (fuse == NULL) {
+  int err = uv_async_init(uv_default_loop(), &(ft->async), (uv_async_cb) fuse_native_async_init);
+
+  if (fuse == NULL || err < 0) {
     napi_throw_error(env, "fuse failed", "fuse failed");
     return NULL;
   }
@@ -896,12 +925,11 @@ NAPI_METHOD(fuse_native_unmount) {
   NAPI_ARGV_BUFFER_CAST(fuse_thread_t *, ft, 1);
 
   if (ft != NULL && ft->mounted) {
-    fuse_unmount(mnt, ft->ch);
-    printf("joining\n");
     pthread_join(ft->thread, NULL);
-    printf("joined\n");
   }
-  ft->mounted = false;
+
+  uv_unref(&(ft->async));
+  ft->mounted--;
 
   return NULL;
 }

index.js

@@ -1,142 +1,143 @@
 const os = require('os')
 const fs = require('fs')
 const path = require('path')
+const { exec } = require('child_process')
+
+const Nanoresource = require('nanoresource')
+const binding = require('node-gyp-build')(__dirname)
 
 const IS_OSX = os.platform() === 'darwin'
 const OSX_FOLDER_ICON = '/System/Library/CoreServices/CoreTypes.bundle/Contents/Resources/GenericFolderIcon.icns'
-
 const HAS_FOLDER_ICON = IS_OSX && fs.existsSync(OSX_FOLDER_ICON)
 
-const binding = require('node-gyp-build')(__dirname)
 const OpcodesAndDefaults = new Map([
   ['init', {
-    op: 0
+    op: binding.op_init
   }],
   ['error', {
-    op: 1
+    op: binding.op_error
   }],
   ['access', {
-    op: 2,
+    op: binding.op_access,
     defaults: [0]
   }],
   ['statfs', {
-    op: 3,
+    op: binding.op_statfs,
     defaults: [getStatfsArray()]
   }],
   ['fgetattr', {
-    op: 4,
+    op: binding.op_fgetattr,
     defaults: [getStatArray()]
   }],
   ['getattr', {
-    op: 5,
+    op: binding.op_getattr,
     defaults: [getStatArray()]
   }],
   ['flush', {
-    op: 6
+    op: binding.op_flush
   }],
   ['fsync', {
-    op: 7
+    op: binding.op_fsync
   }],
   ['fsyncdir', {
-    op: 8
+    op: binding.op_fsyncdir
   }],
   ['readdir', {
-    op: 9
+    op: binding.op_readdir
   }],
   ['truncate', {
-    op: 10
+    op: binding.op_truncate
   }],
   ['ftruncate', {
-    op: 11
+    op: binding.op_ftruncate
   }],
   ['utimens', {
-    op: 12
+    op: binding.op_utimens
   }],
   ['readlink', {
-    op: 13,
+    op: binding.op_readlink,
     defaults: ['']
   }],
   ['chown', {
-    op: 14
+    op: binding.op_chown
   }],
   ['chmod', {
-    op: 15
+    op: binding.op_chmod
   }],
   ['mknod', {
-    op: 16
+    op: binding.op_mknod
   }],
   ['setxattr', {
-    op: 17
+    op: binding.op_setxattr
   }],
   ['getxattr', {
-    op: 18
+    op: binding.op_getxattr
   }],
   ['listxattr', {
-    op: 19
+    op: binding.op_listxattr
   }],
   ['removexattr', {
-    op: 20
+    op: binding.op_removexattr
   }],
   ['open', {
-    op: 21,
+    op: binding.op_open,
     defaults: [0]
   }],
   ['opendir', {
-    op: 22,
+    op: binding.op_opendir,
     defaults: [0]
   }],
   ['read', {
-    op: 23,
+    op: binding.op_read,
     defaults: [0]
   }],
   ['write', {
-    op: 24,
+    op: binding.op_write,
     defaults: [0]
   }],
   ['release', {
-    op: 25
+    op: binding.op_release
   }],
   ['releasedir', {
-    op: 26
+    op: binding.op_releasedir
   }],
   ['create', {
-    op: 27
+    op: binding.op_create
   }],
   ['unlink', {
-    op: 28
+    op: binding.op_unlink
   }],
   ['rename', {
-    op: 29
+    op: binding.op_rename
   }],
   ['link', {
-    op: 30
+    op: binding.op_link
   }],
   ['symlink', {
-    op: 31
+    op: binding.op_symlink
   }],
   ['mkdir', {
-    op: 32
+    op: binding.op_mkdir
   }],
   ['rmdir', {
-    op: 33
+    op: binding.op_rmdir
   }],
   ['destroy', {
-    op: 34
+    op: binding.op_destroy
   }]
 ])
 
-class Fuse {
+class Fuse extends Nanoresource {
   constructor (mnt, ops, opts = {}) {
+    super()
     this.opts = opts
     this.mnt = path.resolve(mnt)
 
     this.ops = ops
-    this._thread = Buffer.alloc(binding.sizeof_fuse_thread_t)
+    this._thread = null
     this._handlers = this._makeHandlerArray()
-    // Keep the process alive while fuse is mounted.
-    this._timer = null
 
-    const implemented = [0, 1, 5]
+    const implemented = [binding.op_init, binding.op_error, binding.op_getattr]
     if (ops) {
       for (const [name, { op }] of OpcodesAndDefaults) {
         if (ops[name]) implemented.push(op)
@@ -150,7 +151,7 @@ class Fuse {
 
   _getImplementedArray () {
     const implemented = new Uint32Array(35)
-    for (const impl of [...this._implemented]) {
+    for (const impl of this._implemented) {
       implemented[impl] = 1
     }
     return implemented
@@ -191,16 +192,6 @@ class Fuse {
     return options.map(o => '-o' + o).join(' ')
   }
 
-  _signal (signalFunc, args) {
-    /*
-    if (this._sync) process.nextTick(() => signalFunc.apply(null, args))
-    else signalFunc.apply(null, args)
-    */
-    process.nextTick(() => signalFunc.apply(null, args))
-  }
-
-  // Handlers
-
   _makeHandlerArray () {
     const self = this
     const handlers = new Array(OpcodesAndDefaults.size)
@@ -217,7 +208,7 @@ class Fuse {
     function makeHandler (name, op, defaults, nativeSignal) {
       return function () {
         const boundSignal = signal.bind(null, arguments[0])
-        const funcName = `_${name}`
+        const funcName = `_op_${name}`
         if (!self[funcName] || !self._implemented.has(op)) return boundSignal(-1, ...defaults)
         return self[funcName].apply(self, [boundSignal, ...[...arguments].slice(2)])
       }
@@ -230,7 +221,57 @@ class Fuse {
     }
   }
 
-  _init (signal) {
+  // Lifecycle methods
+
+  _open (cb) {
+    this._thread = Buffer.alloc(binding.sizeof_fuse_thread_t)
+    this._openCallback = cb
+
+    const opts = this._fuseOptions()
+    const implemented = this._getImplementedArray()
+
+    return fs.stat(this.mnt, (err, stat) => {
+      if (err) return cb(new Error('Mountpoint does not exist'))
+      if (!stat.isDirectory()) return cb(new Error('Mountpoint is not a directory'))
+      return fs.stat(path.join(this.mnt, '..'), (_, parent) => {
+        if (parent && parent.dev !== stat.dev) return cb(new Error('Mountpoint in use'))
+        try {
+          // TODO: asyncify
+          binding.fuse_native_mount(this.mnt, opts, this._thread, this, this._handlers, implemented)
+        } catch (err) {
+          return cb(err)
+        }
+      })
+    })
+  }
+
+  _close (cb) {
+    const self = this
+    const mnt = JSON.stringify(this.mnt)
+    const cmd = os.platform() === 'darwin' ? `umount ${mnt}` : `fusermount -q -u ${mnt}`
+
+    exec(cmd, err => {
+      if (err) return cb(err)
+      return nativeUnmount()
+    })
+
+    function nativeUnmount () {
+      try {
+        binding.fuse_native_unmount(self.mnt, self._thread)
+      } catch (err) {
+        return cb(err)
+      }
+      return cb(null)
+    }
+  }
+
+  // Handlers
+
+  _op_init (signal) {
+    if (this._openCallback) {
+      process.nextTick(this._openCallback, null)
+      this._openCallback = null
+    }
     if (!this.ops.init) {
       signal(0)
       return
@@ -240,7 +281,7 @@ class Fuse {
     })
   }
 
-  _error (signal) {
+  _op_error (signal) {
     if (!this.ops.error) {
       signal(0)
       return
@@ -250,7 +291,7 @@ class Fuse {
     })
   }
 
-  _statfs (signal) {
+  _op_statfs (signal) {
     this.ops.statfs((err, statfs) => {
       if (err) return signal(err)
       const arr = getStatfsArray(statfs)
@@ -258,7 +299,7 @@ class Fuse {
     })
   }
 
-  _getattr (signal, path) {
+  _op_getattr (signal, path) {
     if (!this.ops.getattr) {
       if (path !== '/') {
         signal(Fuse.EPERM)
@@ -273,7 +314,7 @@ class Fuse {
     })
   }
 
-  _fgetattr (signal, path, fd) {
+  _op_fgetattr (signal, path, fd) {
     if (!this.ops.fgetattr) {
       if (path !== '/') {
         signal(Fuse.EPERM)
@@ -288,31 +329,31 @@ class Fuse {
     })
   }
 
-  _access (signal, path, mode) {
+  _op_access (signal, path, mode) {
     this.ops.access(path, mode, err => {
       return signal(err)
     })
   }
 
-  _open (signal, path, flags) {
+  _op_open (signal, path, flags) {
     this.ops.open(path, flags, (err, fd) => {
       return signal(err, fd)
     })
   }
 
-  _opendir (signal, path, flags) {
+  _op_opendir (signal, path, flags) {
     this.ops.opendir(path, flags, (err, fd) => {
       return signal(err, fd)
     })
   }
 
-  _create (signal, path, mode) {
+  _op_create (signal, path, mode) {
     this.ops.create(path, mode, (err, fd) => {
       return signal(err, fd)
     })
   }
 
-  _utimens (signal, path, atim, mtim) {
+  _op_utimens (signal, path, atim, mtim) {
     atim = getDoubleInt(atim, 0)
     mtim = getDoubleInt(mtim, 0)
     this.ops.utimens(path, atim, mtim, err => {
@@ -320,31 +361,31 @@ class Fuse {
     })
   }
 
-  _release (signal, path, fd) {
+  _op_release (signal, path, fd) {
     this.ops.release(path, fd, err => {
       return signal(err)
     })
   }
 
-  _releasedir (signal, path, fd) {
+  _op_releasedir (signal, path, fd) {
     this.ops.releasedir(path, fd, err => {
       return signal(err)
     })
   }
 
-  _read (signal, path, fd, buf, len, offset) {
+  _op_read (signal, path, fd, buf, len, offset) {
     this.ops.read(path, fd, buf, len, offset, (err, bytesRead) => {
       return signal(err, bytesRead)
     })
   }
 
-  _write (signal, path, fd, buf, len, offset) {
+  _op_write (signal, path, fd, buf, len, offset) {
     this.ops.write(path, fd, buf, len, offset, (err, bytesWritten) => {
       return signal(err, bytesWritten)
     })
   }
 
-  _readdir (signal, path) {
+  _op_readdir (signal, path) {
     this.ops.readdir(path, (err, names, stats) => {
       if (err) return signal(err)
       if (stats) stats = stats.map(getStatArray)
@@ -352,121 +393,121 @@ class Fuse {
     })
   }
 
-  _setxattr (signal, path, name, value, size, position, flags) {
+  _op_setxattr (signal, path, name, value, size, position, flags) {
     this.ops.setxattr(path, name, value, size, position, flags, err => {
       return signal(err)
     })
   }
 
-  _getxattr (signal, path, name, value, size, position) {
+  _op_getxattr (signal, path, name, value, size, position) {
     this.ops.getxattr(path, name, value, size, position, err => {
       return signal(err)
     })
   }
 
-  _listxattr (signal, path, list, size) {
+  _op_listxattr (signal, path, list, size) {
     this.ops.listxattr(path, list, size, err => {
       return signal(err)
     })
   }
 
-  _removexattr (signal, path, name) {
+  _op_removexattr (signal, path, name) {
     this.ops.removexattr(path, name, err => {
       return signal(err)
     })
   }
 
-  _flush (signal, path, datasync, fd) {
+  _op_flush (signal, path, datasync, fd) {
     this.ops.flush(path, datasync, fd, err => {
       return signal(err)
     })
   }
 
-  _fsync (signal, path, datasync, fd) {
+  _op_fsync (signal, path, datasync, fd) {
     this.ops.fsync(path, datasync, fd, err => {
       return signal(err)
     })
   }
 
-  _fsyncdir (signal, path, datasync, fd) {
+  _op_fsyncdir (signal, path, datasync, fd) {
     this.ops.fsyncdir(path, datasync, fd, err => {
       return signal(err)
     })
   }
 
-  _truncate (signal, path, size) {
+  _op_truncate (signal, path, size) {
     this.ops.truncate(path, size, err => {
       return signal(err)
     })
   }
 
-  _ftruncate (signal, path, size, fd) {
+  _op_ftruncate (signal, path, size, fd) {
     this.ops.ftruncate(path, size, fd, err => {
       return signal(err)
     })
   }
 
-  _readlink (signal, path) {
+  _op_readlink (signal, path) {
     this.ops.readlink(path, (err, linkname) => {
       return signal(err, linkname)
     })
   }
 
-  _chown (signal, path, uid, gid) {
+  _op_chown (signal, path, uid, gid) {
     this.ops.chown(path, uid, gid, err => {
       return signal(err)
     })
   }
 
-  _chmod (signal, path, mode) {
+  _op_chmod (signal, path, mode) {
     this.ops.chmod(path, mode, err => {
       return signal(err)
     })
   }
 
-  _mknod (signal, path, mode, dev) {
+  _op_mknod (signal, path, mode, dev) {
     this.ops.mknod(path, mode, dev, err => {
       return signal(err)
     })
   }
 
-  _unlink (signal, path) {
+  _op_unlink (signal, path) {
     this.ops.unlink(path, err => {
       return signal(err)
     })
   }
 
-  _rename (signal, src, dest, flags) {
+  _op_rename (signal, src, dest, flags) {
     this.ops.rename(src, dest, flags, err => {
       return signal(err)
     })
   }
 
-  _link (signal, src, dest) {
+  _op_link (signal, src, dest) {
     this.ops.link(src, dest, err => {
       return signal(err)
     })
   }
 
-  _symlink (signal, src, dest) {
+  _op_symlink (signal, src, dest) {
     this.ops.symlink(src, dest, err => {
       return signal(err)
     })
   }
 
-  _mkdir (signal, path, mode) {
+  _op_mkdir (signal, path, mode) {
     this.ops.mkdir(path, mode, err => {
       return signal(err)
     })
   }
 
-  _rmdir (signal, path) {
+  _op_rmdir (signal, path) {
     this.ops.rmdir(path, err => {
       return signal(err)
     })
   }
 
-  _destroy (signal) {
+  _op_destroy (signal) {
     this.ops.destroy(err => {
       return signal(err)
     })
@@ -475,35 +516,11 @@ class Fuse {
   // Public API
 
   mount (cb) {
-    const opts = this._fuseOptions()
+    return this._open(cb)
-    const implemented = this._getImplementedArray()
-    fs.stat(this.mnt, (err, stat) => {
-      if (err) return cb(new Error('Mountpoint does not exist'))
-      if (!stat.isDirectory()) return cb(new Error('Mountpoint is not a directory'))
-      fs.stat(path.join(this.mnt, '..'), (_, parent) => {
-        if (parent && parent.dev !== stat.dev) return cb(new Error('Mountpoint in use'))
-        try {
-          // TODO: asyncify
-          binding.fuse_native_mount(this.mnt, opts, this._thread, this, this._handlers, implemented)
-        } catch (err) {
-          return cb(err)
-        }
-        this._timer = setInterval(() => {}, 10000)
-        return cb(null)
-      })
-    })
   }
 
   unmount (cb) {
-    // TODO: asyncify
+    return this._close(cb)
-    try {
-      binding.fuse_native_unmount(this.mnt, this._thread)
-    } catch (err) {
-      clearInterval(this._timer)
-      return process.nextTick(cb, err)
-    }
-    clearInterval(this._timer)
-    return process.nextTick(cb, null)
   }
 
   errno (code) {

package.json

@@ -5,15 +5,17 @@
   "main": "index.js",
   "scripts": {
     "install": "node-gyp-build",
-    "test": "standard && test/*.js",
+    "test": "tape test/*.js",
     "prebuild": "prebuildify -a --strip",
     "prebuild-ia32": "prebuildify -a --strip --arch=ia32"
   },
   "gypfile": true,
   "dependencies": {
     "fuse-shared-library": "^1.0.1",
+    "nanoresource": "^1.2.0",
     "napi-macros": "^2.0.0",
-    "node-gyp-build": "^3.2.2"
+    "node-gyp-build": "^3.2.2",
+    "why-is-node-running": "^2.1.0"
   },
   "devDependencies": {
     "concat-stream": "^2.0.0",

test/links.js

@@ -10,26 +10,26 @@ tape('readlink', function (t) {
   var ops = {
     force: true,
     readdir: function (path, cb) {
-      if (path === '/') return cb(null, ['hello', 'link'])
+      if (path === '/') return process.nextTick(cb, null, ['hello', 'link'])
-      return cb(Fuse.ENOENT)
+      return process.nextTick(cb, Fuse.ENOENT)
     },
     readlink: function (path, cb) {
-      cb(0, 'hello')
+      process.nextTick(cb, 0, 'hello')
     },
     getattr: function (path, cb) {
-      if (path === '/') return cb(null, stat({ mode: 'dir', size: 4096 }))
+      if (path === '/') return process.nextTick(cb, null, stat({ mode: 'dir', size: 4096 }))
-      if (path === '/hello') return cb(null, stat({ mode: 'file', size: 11 }))
+      if (path === '/hello') return process.nextTick(cb, null, stat({ mode: 'file', size: 11 }))
-      if (path === '/link') return cb(null, stat({ mode: 'link', size: 5 }))
+      if (path === '/link') return process.nextTick(cb, null, stat({ mode: 'link', size: 5 }))
-      return cb(Fuse.ENOENT)
+      return process.nextTick(cb, Fuse.ENOENT)
     },
     open: function (path, flags, cb) {
-      cb(0, 42)
+      process.nextTick(cb, 0, 42)
     },
     read: function (path, fd, buf, len, pos, cb) {
       var str = 'hello world'.slice(pos, pos + len)
-      if (!str) return cb(0)
+      if (!str) return process.nextTick(cb, 0)
       buf.write(str)
-      return cb(str.length)
+      return process.nextTick(cb, str.length)
     }
   }
 
@@ -51,7 +51,7 @@ tape('readlink', function (t) {
 
           fs.readFile(path.join(mnt, 'link'), function (err, buf) {
             t.error(err, 'no error')
-            t.same(buf, new Buffer('hello world'), 'can read link content')
+            t.same(buf, Buffer.from('hello world'), 'can read link content')
 
             fuse.unmount(function () {
               t.end()

test/misc.js

@@ -1,26 +1,31 @@
 var mnt = require('./fixtures/mnt')
-var fuse = require('../')
 var tape = require('tape')
 
+var Fuse = require('../')
+
 tape('mount', function (t) {
-  fuse.mount(mnt, { force: true }, function (err) {
+  const fuse = new Fuse(mnt, {}, { force: true })
+  fuse.mount(function (err) {
     t.error(err, 'no error')
     t.ok(true, 'works')
-    fuse.unmount(mnt, function () {
+    fuse.unmount(function () {
       t.end()
     })
   })
 })
 
 tape('mount + unmount + mount', function (t) {
-  fuse.mount(mnt, { force: true }, function (err) {
+  const fuse1 = new Fuse(mnt, {}, { force: true, debug: false })
+  const fuse2 = new Fuse(mnt, {}, { force: true, debug: false })
+
+  fuse1.mount(function (err) {
     t.error(err, 'no error')
     t.ok(true, 'works')
-    fuse.unmount(mnt, function () {
+    fuse1.unmount(function () {
-      fuse.mount(mnt, { force: true }, function (err) {
+      fuse2.mount(function (err) {
         t.error(err, 'no error')
         t.ok(true, 'works')
-        fuse.unmount(mnt, function () {
+        fuse2.unmount(function () {
           t.end()
         })
       })
@@ -29,14 +34,16 @@ tape('mount + unmount + mount', function (t) {
 })
 
 tape('mnt point must exist', function (t) {
-  fuse.mount(mnt + '.does-not-exist', {}, function (err) {
+  const fuse = new Fuse('.does-not-exist', {}, { debug: false })
+  fuse.mount(function (err) {
     t.ok(err, 'had error')
     t.end()
   })
 })
 
 tape('mnt point must be directory', function (t) {
-  fuse.mount(__filename, {}, function (err) {
+  const fuse = new Fuse(__filename, {}, { debug: false })
+  fuse.mount(function (err) {
     t.ok(err, 'had error')
     t.end()
   })

test/read.js

@@ -11,27 +11,27 @@ tape('read', function (t) {
   var ops = {
     force: true,
     readdir: function (path, cb) {
-      if (path === '/') return cb(null, ['test'])
+      if (path === '/') return process.nextTick(cb, null, ['test'])
-      return cb(Fuse.ENOENT)
+      return process.nextTick(cb, Fuse.ENOENT)
     },
     getattr: function (path, cb) {
-      if (path === '/') return cb(null, stat({ mode: 'dir', size: 4096 }))
+      if (path === '/') return process.nextTick(cb, null, stat({ mode: 'dir', size: 4096 }))
-      if (path === '/test') return cb(null, stat({ mode: 'file', size: 11 }))
+      if (path === '/test') return process.nextTick(cb, null, stat({ mode: 'file', size: 11 }))
-      return cb(Fuse.ENOENT)
+      return process.nextTick(cb, Fuse.ENOENT)
     },
     open: function (path, flags, cb) {
-      cb(0, 42)
+      return process.nextTick(cb, 0, 42)
     },
     release: function (path, fd, cb) {
-
+      console.log('IN JS RELEASE')
       t.same(fd, 42, 'fd was passed to release')
-      cb(0)
+      return process.nextTick(cb, 0)
     },
     read: function (path, fd, buf, len, pos, cb) {
       var str = 'hello world'.slice(pos, pos + len)
-      if (!str) return cb(0)
+      if (!str) return process.nextTick(cb, 0)
       buf.write(str)
-      return cb(str.length)
+      return process.nextTick(cb, str.length)
     }
   }
 
@@ -41,17 +41,17 @@ tape('read', function (t) {
 
     fs.readFile(path.join(mnt, 'test'), function (err, buf) {
       t.error(err, 'no error')
-      t.same(buf, new Buffer('hello world'), 'read file')
+      t.same(buf, Buffer.from('hello world'), 'read file')
 
       fs.readFile(path.join(mnt, 'test'), function (err, buf) {
         t.error(err, 'no error')
-        t.same(buf, new Buffer('hello world'), 'read file again')
+        t.same(buf, Buffer.from('hello world'), 'read file again')
 
         fs.createReadStream(path.join(mnt, 'test'), { start: 0, end: 4 }).pipe(concat(function (buf) {
-          t.same(buf, new Buffer('hello'), 'partial read file')
+          t.same(buf, Buffer.from('hello'), 'partial read file')
 
           fs.createReadStream(path.join(mnt, 'test'), { start: 6, end: 10 }).pipe(concat(function (buf) {
-            t.same(buf, new Buffer('world'), 'partial read file + start offset')
+            t.same(buf, Buffer.from('world'), 'partial read file + start offset')
 
             fuse.unmount(function () {
               t.end()

test/write.js

@@ -8,35 +8,35 @@ const stat = require('./fixtures/stat')
 
 tape('write', function (t) {
   var created = false
-  var data = new Buffer(1024)
+  var data = Buffer.alloc(1024)
   var size = 0
 
   var ops = {
     force: true,
     readdir: function (path, cb) {
-      if (path === '/') return cb(null, created ? ['hello'] : [])
+      if (path === '/') return process.nextTick(cb, null, created ? ['hello'] : [], [])
-      return cb(Fuse.ENOENT)
+      return process.nextTick(cb, Fuse.ENOENT)
     },
     truncate: function (path, size, cb) {
-      cb(0)
+      process.nextTick(cb, 0)
     },
     getattr: function (path, cb) {
-      if (path === '/') return cb(null, stat({ mode: 'dir', size: 4096 }))
+      if (path === '/') return process.nextTick(cb, null, stat({ mode: 'dir', size: 4096 }))
-      if (path === '/hello' && created) return cb(0, stat({ mode: 'file', size: size }))
+      if (path === '/hello' && created) return process.nextTick(cb, 0, stat({ mode: 'file', size: size }))
-      return cb(Fuse.ENOENT)
+      return process.nextTick(cb, Fuse.ENOENT)
     },
     create: function (path, flags, cb) {
       t.ok(!created, 'file not created yet')
       created = true
-      cb(0, 42)
+      process.nextTick(cb, 0, 42)
     },
     release: function (path, fd, cb) {
-      cb(0)
+      process.nextTick(cb, 0)
     },
     write: function (path, fd, buf, len, pos, cb) {
       buf.slice(0, len).copy(data, pos)
       size = Math.max(pos + len, size)
-      cb(buf.length)
+      process.nextTick(cb, buf.length)
     }
   }
 
@@ -46,7 +46,7 @@ tape('write', function (t) {
 
     fs.writeFile(path.join(mnt, 'hello'), 'hello world', function (err) {
       t.error(err, 'no error')
-      t.same(data.slice(0, size), new Buffer('hello world'), 'data was written')
+      t.same(data.slice(0, size), Buffer.from('hello world'), 'data was written')
 
       fuse.unmount(function () {
         t.end()