Switch from cthreads to pthreads

Makefiles, headers, types, macros and function calls are renamed where
appropriate.

Most of this work was done by Barry deFreese and Thomas DiModica.

* auth/Makefile: Switch from cthreads to pthreads.
* auth/auth.c: Likewise.
* boot/Makefile: Likewise.
* boot/boot.c: Likewise.
* boot/ux.c: Likewise.
* console-client/Makefile: Likewise.
* console-client/console.c: Likewise.
* console-client/driver.c: Likewise.
* console-client/driver.h: Likewise.
* console-client/generic-speaker.c: Likewise.
* console-client/kbd-repeat.c: Likewise.
* console-client/ncursesw.c: Likewise.
* console-client/pc-kbd.c: Likewise.
* console-client/pc-mouse.c: Likewise.
* console-client/timer.c: Likewise.
* console-client/trans.c: Likewise.
* console-client/vga.c: Likewise.
* console/Makefile: Likewise.
* console/console.c: Likewise.
* console/display.c: Likewise.
* console/input.c: Likewise.
* console/pager.c: Likewise.
* defpager/backing.c: Likewise.
* exec/Makefile: Likewise.
* exec/exec.c: Likewise.
* exec/hashexec.c: Likewise.
* exec/priv.h: Likewise.
* ext2fs/Makefile: Likewise.
* ext2fs/balloc.c: Likewise.
* ext2fs/dir.c: Likewise.
* ext2fs/ext2fs.c: Likewise.
* ext2fs/ext2fs.h: Likewise.
* ext2fs/ialloc.c: Likewise.
* ext2fs/inode.c: Likewise.
* ext2fs/msg.c: Likewise.
* ext2fs/pager.c: Likewise.
* ext2fs/pokel.c: Likewise.
* ext2fs/storeinfo.c: Likewise.
* ext2fs/truncate.c: Likewise.
* fatfs/Makefile: Likewise.
* fatfs/dir.c: Likewise.
* fatfs/fat.c: Likewise.
* fatfs/fatfs.h: Likewise.
* fatfs/inode.c: Likewise.
* fatfs/main.c: Likewise.
* fatfs/pager.c: Likewise.
* fatfs/virt-inode.c: Likewise.
* ftpfs/Makefile: Likewise.
* ftpfs/ccache.c: Likewise.
* ftpfs/ccache.h: Likewise.
* ftpfs/conn.c: Likewise.
* ftpfs/dir.c: Likewise.
* ftpfs/fs.c: Likewise.
* ftpfs/ftpfs.c: Likewise.
* ftpfs/ftpfs.h: Likewise.
* ftpfs/ncache.c: Likewise.
* ftpfs/netfs.c: Likewise.
* ftpfs/node.c: Likewise.
* hostmux/Makefile: Likewise.
* hostmux/hostmux.h: Likewise.
* hostmux/mux.c: Likewise.
* hostmux/node.c: Likewise.
* hostmux/stubs.c: Likewise.
* hurd/shared.h: Likewise.
* isofs/Makefile: Likewise.
* isofs/inode.c: Likewise.
* isofs/lookup.c: Likewise.
* isofs/main.c: Likewise.
* isofs/pager.c: Likewise.
* libcons/Makefile: Likewise.
* libcons/cons-switch.c: Likewise.
* libcons/cons.h: Likewise.
* libcons/dir-changed.c: Likewise.
* libcons/file-changed.c: Likewise.
* libcons/init-init.c: Likewise.
* libcons/vcons-close.c: Likewise.
* libcons/vcons-input.c: Likewise.
* libcons/vcons-move-mouse.c: Likewise.
* libcons/vcons-open.c: Likewise.
* libcons/vcons-scrollback.c: Likewise.
* libdiskfs/Makefile: Likewise.
* libdiskfs/boot-start.c: Likewise.
* libdiskfs/dead-name.c: Likewise.
* libdiskfs/dir-chg.c: Likewise.
* libdiskfs/dir-link.c: Likewise.
* libdiskfs/dir-lookup.c: Likewise.
* libdiskfs/dir-mkdir.c: Likewise.
* libdiskfs/dir-mkfile.c: Likewise.
* libdiskfs/dir-readdir.c: Likewise.
* libdiskfs/dir-rename.c: Likewise.
* libdiskfs/dir-renamed.c: Likewise.
* libdiskfs/dir-rmdir.c: Likewise.
* libdiskfs/dir-unlink.c: Likewise.
* libdiskfs/disk-pager.c: Likewise.
* libdiskfs/diskfs-pager.h: Likewise.
* libdiskfs/diskfs.h: Likewise.
* libdiskfs/file-access.c: Likewise.
* libdiskfs/file-chg.c: Likewise.
* libdiskfs/file-exec.c: Likewise.
* libdiskfs/file-get-fs-opts.c: Likewise.
* libdiskfs/file-get-trans.c: Likewise.
* libdiskfs/file-get-transcntl.c: Likewise.
* libdiskfs/file-getcontrol.c: Likewise.
* libdiskfs/file-getfh.c: Likewise.
* libdiskfs/file-lock-stat.c: Likewise.
* libdiskfs/file-lock.c: Likewise.
* libdiskfs/file-reparent.c: Likewise.
* libdiskfs/file-set-trans.c: Likewise.
* libdiskfs/file-sync.c: Likewise.
* libdiskfs/file-syncfs.c: Likewise.
* libdiskfs/fsys-getroot.c: Likewise.
* libdiskfs/fsys-options.c: Likewise.
* libdiskfs/fsys-syncfs.c: Likewise.
* libdiskfs/ifsock.c: Likewise.
* libdiskfs/init-first.c: Likewise.
* libdiskfs/init-init.c: Likewise.
* libdiskfs/init-startup.c: Likewise.
* libdiskfs/io-duplicate.c: Likewise.
* libdiskfs/io-get-conch.c: Likewise.
* libdiskfs/io-identity.c: Likewise.
* libdiskfs/io-map-cntl.c: Likewise.
* libdiskfs/io-map.c: Likewise.
* libdiskfs/io-modes-get.c: Likewise.
* libdiskfs/io-modes-off.c: Likewise.
* libdiskfs/io-modes-on.c: Likewise.
* libdiskfs/io-modes-set.c: Likewise.
* libdiskfs/io-owner-get.c: Likewise.
* libdiskfs/io-owner-mod.c: Likewise.
* libdiskfs/io-prenotify.c: Likewise.
* libdiskfs/io-read.c: Likewise.
* libdiskfs/io-readable.c: Likewise.
* libdiskfs/io-reauthenticate.c: Likewise.
* libdiskfs/io-rel-conch.c: Likewise.
* libdiskfs/io-restrict-auth.c: Likewise.
* libdiskfs/io-revoke.c: Likewise.
* libdiskfs/io-seek.c: Likewise.
* libdiskfs/io-sigio.c: Likewise.
* libdiskfs/io-stat.c: Likewise.
* libdiskfs/io-write.c: Likewise.
* libdiskfs/lookup.c: Likewise.
* libdiskfs/name-cache.c: Likewise.
* libdiskfs/node-drop.c: Likewise.
* libdiskfs/node-make.c: Likewise.
* libdiskfs/node-nput.c: Likewise.
* libdiskfs/node-nputl.c: Likewise.
* libdiskfs/node-nref.c: Likewise.
* libdiskfs/node-nrefl.c: Likewise.
* libdiskfs/node-nrele.c: Likewise.
* libdiskfs/node-nrelel.c: Likewise.
* libdiskfs/peropen-rele.c: Likewise.
* libdiskfs/priv.h: Likewise.
* libdiskfs/shutdown.c: Likewise.
* libdiskfs/sync-interval.c: Likewise.
* libfshelp/Makefile: Likewise.
* libfshelp/fetch-root.c: Likewise.
* libfshelp/fshelp.h: Likewise.
* libfshelp/get-identity.c: Likewise.
* libfshelp/lock-acquire.c: Likewise.
* libfshelp/lock-init.c: Likewise.
* libfshelp/locks.h: Likewise.
* libfshelp/set-active.c: Likewise.
* libfshelp/trans.h: Likewise.
* libfshelp/transbox-init.c: Likewise.
* libiohelp/Makefile: Likewise.
* libiohelp/get_conch.c: Likewise.
* libiohelp/handle_io_release_conch.c: Likewise.
* libiohelp/initialize_conch.c: Likewise.
* libiohelp/iohelp.h: Likewise.
* libiohelp/verify_user_conch.c: Likewise.
* libnetfs/Makefile: Likewise.
* libnetfs/dir-lookup.c: Likewise.
* libnetfs/dir-mkdir.c: Likewise.
* libnetfs/dir-mkfile.c: Likewise.
* libnetfs/dir-readdir.c: Likewise.
* libnetfs/dir-rmdir.c: Likewise.
* libnetfs/dir-unlink.c: Likewise.
* libnetfs/drop-node.c: Likewise.
* libnetfs/file-chauthor.c: Likewise.
* libnetfs/file-check-access.c: Likewise.
* libnetfs/file-chflags.c: Likewise.
* libnetfs/file-chmod.c: Likewise.
* libnetfs/file-chown.c: Likewise.
* libnetfs/file-exec.c: Likewise.
* libnetfs/file-get-storage-info.c: Likewise.
* libnetfs/file-get-translator.c: Likewise.
* libnetfs/file-lock-stat.c: Likewise.
* libnetfs/file-lock.c: Likewise.
* libnetfs/file-reparent.c: Likewise.
* libnetfs/file-set-size.c: Likewise.
* libnetfs/file-set-translator.c: Likewise.
* libnetfs/file-statfs.c: Likewise.
* libnetfs/file-sync.c: Likewise.
* libnetfs/file-syncfs.c: Likewise.
* libnetfs/file-utimes.c: Likewise.
* libnetfs/fsys-getroot.c: Likewise.
* libnetfs/fsys-set-options.c: Likewise.
* libnetfs/init-init.c: Likewise.
* libnetfs/io-clear-some-openmodes.c: Likewise.
* libnetfs/io-duplicate.c: Likewise.
* libnetfs/io-get-openmodes.c: Likewise.
* libnetfs/io-get-owner.c: Likewise.
* libnetfs/io-identity.c: Likewise.
* libnetfs/io-mod-owner.c: Likewise.
* libnetfs/io-read.c: Likewise.
* libnetfs/io-readable.c: Likewise.
* libnetfs/io-reauthenticate.c: Likewise.
* libnetfs/io-restrict-auth.c: Likewise.
* libnetfs/io-revoke.c: Likewise.
* libnetfs/io-seek.c: Likewise.
* libnetfs/io-set-all-openmodes.c: Likewise.
* libnetfs/io-set-some-openmodes.c: Likewise.
* libnetfs/io-stat.c: Likewise.
* libnetfs/io-write.c: Likewise.
* libnetfs/make-node.c: Likewise.
* libnetfs/netfs.h: Likewise.
* libnetfs/nput.c: Likewise.
* libnetfs/nref.c: Likewise.
* libnetfs/nrele.c: Likewise.
* libnetfs/release-peropen.c: Likewise.
* libnetfs/shutdown.c: Likewise.
* libpager/Makefile: Likewise.
* libpager/chg-compl.c: Likewise.
* libpager/clean.c: Likewise.
* libpager/data-request.c: Likewise.
* libpager/data-return.c: Likewise.
* libpager/data-unlock.c: Likewise.
* libpager/inhibit-term.c: Likewise.
* libpager/lock-completed.c: Likewise.
* libpager/lock-object.c: Likewise.
* libpager/mark-error.c: Likewise.
* libpager/no-senders.c: Likewise.
* libpager/object-init.c: Likewise.
* libpager/object-terminate.c: Likewise.
* libpager/offer-page.c: Likewise.
* libpager/pager-attr.c: Likewise.
* libpager/pager-create.c: Likewise.
* libpager/pager-shutdown.c: Likewise.
* libpager/priv.h: Likewise.
* libpager/seqnos.c: Likewise.
* libpipe/Makefile: Likewise.
* libpipe/pipe.c: Likewise.
* libpipe/pipe.h: Likewise.
* libports/Makefile: Likewise.
* libports/begin-rpc.c: Likewise.
* libports/bucket-iterate.c: Likewise.
* libports/claim-right.c: Likewise.
* libports/class-iterate.c: Likewise.
* libports/complete-deallocate.c: Likewise.
* libports/count-bucket.c: Likewise.
* libports/count-class.c: Likewise.
* libports/create-bucket.c: Likewise.
* libports/create-internal.c: Likewise.
* libports/destroy-right.c: Likewise.
* libports/enable-bucket.c: Likewise.
* libports/enable-class.c: Likewise.
* libports/end-rpc.c: Likewise.
* libports/get-right.c: Likewise.
* libports/import-port.c: Likewise.
* libports/inhibit-all-rpcs.c: Likewise.
* libports/inhibit-bucket-rpcs.c: Likewise.
* libports/inhibit-class-rpcs.c: Likewise.
* libports/inhibit-port-rpcs.c: Likewise.
* libports/init.c: Likewise.
* libports/interrupt-notified-rpcs.c: Likewise.
* libports/interrupt-on-notify.c: Likewise.
* libports/interrupt-operation.c: Likewise.
* libports/interrupt-rpcs.c: Likewise.
* libports/interrupted.c: Likewise.
* libports/lookup-port.c: Likewise.
* libports/manage-multithread.c: Likewise.
* libports/no-senders.c: Likewise.
* libports/port-deref-weak.c: Likewise.
* libports/port-deref.c: Likewise.
* libports/port-ref-weak.c: Likewise.
* libports/port-ref.c: Likewise.
* libports/ports.h: Likewise.
* libports/reallocate-from-external.c: Likewise.
* libports/reallocate-port.c: Likewise.
* libports/resume-all-rpcs.c: Likewise.
* libports/resume-bucket-rpcs.c: Likewise.
* libports/resume-class-rpcs.c: Likewise.
* libports/resume-port-rpcs.c: Likewise.
* libports/stubs.c: Likewise.
* libports/transfer-right.c: Likewise.
* libstore/Makefile: Likewise.
* libstore/gunzip.c: Likewise.
* libstore/part.c: Likewise.
* libstore/unzipstore.c: Likewise.
* libthreads/Makefile: Likewise.
* libtreefs/dir-lookup.c: Likewise.
* libtreefs/fsys-getroot.c: Likewise.
* libtreefs/fsys-hooks.c: Likewise.
* libtreefs/fsys.c: Likewise.
* libtreefs/trans-help.c: Likewise.
* libtreefs/trans-start.c: Likewise.
* libtreefs/treefs.h: Likewise.
* libtrivfs/cntl-create.c: Likewise.
* libtrivfs/dyn-classes.c: Likewise.
* libtrivfs/io-reauthenticate.c: Likewise.
* libtrivfs/io-restrict-auth.c: Likewise.
* libtrivfs/protid-clean.c: Likewise.
* libtrivfs/protid-dup.c: Likewise.
* libtrivfs/trivfs.h: Likewise.
* mach-defpager/Makefile: Likewise.
* mach-defpager/default_pager.c: Likewise.
* mach-defpager/kalloc.c: Likewise.
* mach-defpager/main.c: Likewise.
* nfs/Makefile: Likewise.
* nfs/cache.c: Likewise.
* nfs/main.c: Likewise.
* nfs/mount.c: Likewise.
* nfs/name-cache.c: Likewise.
* nfs/nfs.h: Likewise.
* nfs/ops.c: Likewise.
* nfs/rpc.c: Likewise.
* nfsd/Makefile: Likewise.
* nfsd/cache.c: Likewise.
* nfsd/loop.c: Likewise.
* nfsd/main.c: Likewise.
* nfsd/nfsd.h: Likewise.
* pfinet/Makefile: Likewise.
* pfinet/ethernet.c: Likewise.
* pfinet/glue-include/asm/spinlock.h: Likewise.
* pfinet/glue-include/linux/interrupt.h: Likewise.
* pfinet/glue-include/linux/sched.h: Likewise.
* pfinet/glue-include/linux/timer.h: Likewise.
* pfinet/glue-include/linux/wait.h: Likewise.
* pfinet/iioctl-ops.c: Likewise.
* pfinet/io-ops.c: Likewise.
* pfinet/kmem_cache.c: Likewise.
* pfinet/main.c: Likewise.
* pfinet/options.c: Likewise.
* pfinet/pfinet-ops.c: Likewise.
* pfinet/pfinet.h: Likewise.
* pfinet/sched.c: Likewise.
* pfinet/socket-ops.c: Likewise.
* pfinet/socket.c: Likewise.
* pfinet/timer-emul.c: Likewise.
* pfinet/tunnel.c: Likewise.
* pflocal/Makefile: Likewise.
* pflocal/connq.c: Likewise.
* pflocal/io.c: Likewise.
* pflocal/sock.c: Likewise.
* pflocal/sock.h: Likewise.
* pflocal/socket.c: Likewise.
* pflocal/sserver.c: Likewise.
* proc/Makefile: Likewise.
* proc/info.c: Likewise.
* proc/main.c: Likewise.
* proc/mgt.c: Likewise.
* proc/msg.c: Likewise.
* proc/proc.h: Likewise.
* proc/stubs.c: Likewise.
* proc/wait.c: Likewise.
* storeio/Makefile: Likewise.
* storeio/dev.c: Likewise.
* storeio/dev.h: Likewise.
* storeio/open.c: Likewise.
* storeio/open.h: Likewise.
* storeio/pager.c: Likewise.
* storeio/storeio.c: Likewise.
* term/Makefile: Likewise.
* term/devio.c: Likewise.
* term/hurdio.c: Likewise.
* term/main.c: Likewise.
* term/munge.c: Likewise.
* term/ptyio.c: Likewise.
* term/term.h: Likewise.
* term/users.c: Likewise.
* tmpfs/Makefile: Likewise.
* tmpfs/dir.c: Likewise.
* tmpfs/node.c: Likewise.
* tmpfs/tmpfs.c: Likewise.
* tmpfs/tmpfs.h: Likewise.
* trans/Makefile: Likewise.
* trans/fakeroot.c: Likewise.
* trans/fifo.c: Likewise.
* trans/hello-mt.c: Likewise.
* trans/new-fifo.c: Likewise.
* trans/streamio.c: Likewise.
* ufs/Makefile: Likewise.
* ufs/alloc.c: Likewise.
* ufs/dir.c: Likewise.
* ufs/hyper.c: Likewise.
* ufs/inode.c: Likewise.
* ufs/main.c: Likewise.
* ufs/pager.c: Likewise.
* ufs/pokeloc.c: Likewise.
* ufs/sizes.c: Likewise.
* ufs/ufs.h: Likewise.
* usermux/Makefile: Likewise.
* usermux/mux.c: Likewise.
* usermux/node.c: Likewise.
* usermux/usermux.h: Likewise.
* utils/Makefile: Likewise.
* utils/fakeauth.c: Likewise.
* utils/rpctrace.c: Likewise.

51 files changed, 122 insertions, 120 deletions

diff --git a/libnetfs/Makefile b/libnetfs/Makefile
index 33ee2fb2..24b5acae 100644
--- a/libnetfs/Makefile
+++ b/libnetfs/Makefile
@@ -23,7 +23,8 @@ dir := libnetfs
 makemode := library
 libname = libnetfs
 
-HURDLIBS = fshelp iohelp threads ports shouldbeinlibc
+HURDLIBS = fshelp iohelp ports shouldbeinlibc
+LDLIBS += -lpthread
 
 FSSRCS= dir-link.c dir-lookup.c dir-mkdir.c dir-mkfile.c \
 	dir-notice-changes.c dir-readdir.c dir-rename.c \
diff --git a/libnetfs/dir-lookup.c b/libnetfs/dir-lookup.c
index 17d9e23e..f1b6438f 100644
--- a/libnetfs/dir-lookup.c
+++ b/libnetfs/dir-lookup.c
@@ -69,13 +69,13 @@ netfs_S_dir_lookup (struct protid *diruser,
       /* Set things up in the state expected by the code from gotit: on. */
       dnp = 0;
       np = diruser->po->np;
-      mutex_lock (&np->lock);
+      pthread_mutex_lock (&np->lock);
       netfs_nref (np);
       goto gotit;
     }
 
   dnp = diruser->po->np;
-  mutex_lock (&dnp->lock);
+  pthread_mutex_lock (&dnp->lock);
 
   netfs_nref (dnp);		/* acquire a reference for later netfs_nput */
 
@@ -120,7 +120,7 @@ netfs_S_dir_lookup (struct protid *diruser,
 	    if (! lastcomp)
 	      strcpy (retry_name, nextname);
 	    error = 0;
-	    mutex_unlock (&dnp->lock);
+	    pthread_mutex_unlock (&dnp->lock);
 	    goto out;
 	  }
 	else if (diruser->po->root_parent != MACH_PORT_NULL)
@@ -134,7 +134,7 @@ netfs_S_dir_lookup (struct protid *diruser,
 	    if (!lastcomp)
 	      strcpy (retry_name, nextname);
 	    error = 0;
-	    mutex_unlock (&dnp->lock);
+	    pthread_mutex_unlock (&dnp->lock);
 	    goto out;
 	  }
 	else
@@ -159,7 +159,7 @@ netfs_S_dir_lookup (struct protid *diruser,
 	{
 	  mode &= ~(S_IFMT | S_ISPARE | S_ISVTX);
 	  mode |= S_IFREG;
-	  mutex_lock (&dnp->lock);
+	  pthread_mutex_lock (&dnp->lock);
 	  error = netfs_attempt_create_file (diruser->user, dnp,
 					     filename, mode, &np);
 
@@ -168,7 +168,7 @@ netfs_S_dir_lookup (struct protid *diruser,
 	     EXCL, that's fine; otherwise, we have to retry the lookup. */
 	  if (error == EEXIST && !excl)
 	    {
-	      mutex_lock (&dnp->lock);
+	      pthread_mutex_lock (&dnp->lock);
 	      goto retry_lookup;
 	    }
 
@@ -338,7 +338,7 @@ netfs_S_dir_lookup (struct protid *diruser,
 	      create = 0;
 	    }
 	  netfs_nput (np);
-	  mutex_lock (&dnp->lock);
+	  pthread_mutex_lock (&dnp->lock);
 	  np = 0;
 	}
       else
diff --git a/libnetfs/dir-mkdir.c b/libnetfs/dir-mkdir.c
index 33feb25f..c8bebac8 100644
--- a/libnetfs/dir-mkdir.c
+++ b/libnetfs/dir-mkdir.c
@@ -32,8 +32,8 @@ netfs_S_dir_mkdir (struct protid *user, char *name, mode_t mode)
   mode &= ~(S_IFMT|S_ISPARE|S_ISVTX);
   mode |= S_IFDIR;
 
-  mutex_lock (&user->po->np->lock);
+  pthread_mutex_lock (&user->po->np->lock);
   err = netfs_attempt_mkdir (user->user, user->po->np, name, mode);
-  mutex_unlock (&user->po->np->lock);
+  pthread_mutex_unlock (&user->po->np->lock);
   return err;
 }
diff --git a/libnetfs/dir-mkfile.c b/libnetfs/dir-mkfile.c
index 7d388737..9e5847af 100644
--- a/libnetfs/dir-mkfile.c
+++ b/libnetfs/dir-mkfile.c
@@ -31,7 +31,7 @@ netfs_S_dir_mkfile (struct protid *diruser, int flags, mode_t mode,
   struct iouser *user;
   struct protid *newpi;
 
-  mutex_lock (&diruser->po->np->lock);
+  pthread_mutex_lock (&diruser->po->np->lock);
   err = netfs_attempt_mkfile (diruser->user, diruser->po->np, mode, &np);
 
   if (!err)
diff --git a/libnetfs/dir-readdir.c b/libnetfs/dir-readdir.c
index 7f896ac1..4ab03d8a 100644
--- a/libnetfs/dir-readdir.c
+++ b/libnetfs/dir-readdir.c
@@ -40,7 +40,7 @@ netfs_S_dir_readdir (struct protid *user,
     return EOPNOTSUPP;
 
   np = user->po->np;
-  mutex_lock (&np->lock);
+  pthread_mutex_lock (&np->lock);
 
   err = 0;
   if ((user->po->openstat & O_READ) == 0)
@@ -53,6 +53,6 @@ netfs_S_dir_readdir (struct protid *user,
     err = netfs_get_dirents (user->user, np, entry, nentries, data,
 			     datacnt, bufsiz, amt);
   *data_dealloc = 1;		/* XXX */
-  mutex_unlock (&np->lock);
+  pthread_mutex_unlock (&np->lock);
   return err;
 }
diff --git a/libnetfs/dir-rmdir.c b/libnetfs/dir-rmdir.c
index 9a5941d3..96196fd4 100644
--- a/libnetfs/dir-rmdir.c
+++ b/libnetfs/dir-rmdir.c
@@ -29,8 +29,8 @@ netfs_S_dir_rmdir (struct protid *diruser, char *name)
   if (!diruser)
     return EOPNOTSUPP;
 
-  mutex_lock (&diruser->po->np->lock);
+  pthread_mutex_lock (&diruser->po->np->lock);
   err = netfs_attempt_rmdir (diruser->user, diruser->po->np, name);
-  mutex_unlock (&diruser->po->np->lock);
+  pthread_mutex_unlock (&diruser->po->np->lock);
   return err;
 }
diff --git a/libnetfs/dir-unlink.c b/libnetfs/dir-unlink.c
index 8077514a..6f1eaca6 100644
--- a/libnetfs/dir-unlink.c
+++ b/libnetfs/dir-unlink.c
@@ -26,8 +26,8 @@ netfs_S_dir_unlink (struct protid *user, char *name)
 {
   error_t err;
   
-  mutex_lock (&user->po->np->lock);
+  pthread_mutex_lock (&user->po->np->lock);
   err = netfs_attempt_unlink (user->user, user->po->np, name);
-  mutex_unlock (&user->po->np->lock);
+  pthread_mutex_unlock (&user->po->np->lock);
   return err;
 }
diff --git a/libnetfs/drop-node.c b/libnetfs/drop-node.c
index b2ec95e3..5460149a 100644
--- a/libnetfs/drop-node.c
+++ b/libnetfs/drop-node.c
@@ -25,7 +25,7 @@ netfs_drop_node (struct node *np)
 {
   fshelp_drop_transbox (&np->transbox);
   netfs_node_norefs (np);
-  spin_unlock (&netfs_node_refcnt_lock);
+  pthread_spin_unlock (&netfs_node_refcnt_lock);
 }
 
   
diff --git a/libnetfs/file-chauthor.c b/libnetfs/file-chauthor.c
index ec7f6177..4f0aad0b 100644
--- a/libnetfs/file-chauthor.c
+++ b/libnetfs/file-chauthor.c
@@ -30,9 +30,9 @@ netfs_S_file_chauthor (struct protid *user,
   if (!user)
     return EOPNOTSUPP;
   
-  mutex_lock (&user->po->np->lock);
+  pthread_mutex_lock (&user->po->np->lock);
   err = netfs_attempt_chauthor (user->user, user->po->np, author);
-  mutex_unlock (&user->po->np->lock);
+  pthread_mutex_unlock (&user->po->np->lock);
   return err;
 }
 
diff --git a/libnetfs/file-check-access.c b/libnetfs/file-check-access.c
index 8e36ede1..d8773ff2 100644
--- a/libnetfs/file-check-access.c
+++ b/libnetfs/file-check-access.c
@@ -30,8 +30,8 @@ netfs_S_file_check_access (struct protid *user,
   if (!user)
     return EOPNOTSUPP;
   
-  mutex_lock (&user->po->np->lock);
+  pthread_mutex_lock (&user->po->np->lock);
   err = netfs_report_access (user->user, user->po->np, types);
-  mutex_unlock (&user->po->np->lock);
+  pthread_mutex_unlock (&user->po->np->lock);
   return err;
 }
diff --git a/libnetfs/file-chflags.c b/libnetfs/file-chflags.c
index 068a1cea..a5c132d4 100644
--- a/libnetfs/file-chflags.c
+++ b/libnetfs/file-chflags.c
@@ -30,8 +30,8 @@ netfs_S_file_chflags (struct protid *user,
   if (!user)
     return EOPNOTSUPP;
   
-  mutex_lock (&user->po->np->lock);
+  pthread_mutex_lock (&user->po->np->lock);
   err = netfs_attempt_chflags (user->user, user->po->np, flags);
-  mutex_unlock (&user->po->np->lock);
+  pthread_mutex_unlock (&user->po->np->lock);
   return err;
 }
diff --git a/libnetfs/file-chmod.c b/libnetfs/file-chmod.c
index 0f082f18..413261ca 100644
--- a/libnetfs/file-chmod.c
+++ b/libnetfs/file-chmod.c
@@ -32,8 +32,8 @@ netfs_S_file_chmod (struct protid *user,
 
   mode &= ~(S_IFMT | S_ISPARE | S_ITRANS);
   
-  mutex_lock (&user->po->np->lock);
+  pthread_mutex_lock (&user->po->np->lock);
   err = netfs_attempt_chmod (user->user, user->po->np, mode);
-  mutex_unlock (&user->po->np->lock);
+  pthread_mutex_unlock (&user->po->np->lock);
   return err;
 }
diff --git a/libnetfs/file-chown.c b/libnetfs/file-chown.c
index 4b724048..d02876c7 100644
--- a/libnetfs/file-chown.c
+++ b/libnetfs/file-chown.c
@@ -31,9 +31,9 @@ netfs_S_file_chown (struct protid *user,
   if (!user)
     return EOPNOTSUPP;
   
-  mutex_lock (&user->po->np->lock);
+  pthread_mutex_lock (&user->po->np->lock);
   err = netfs_attempt_chown (user->user, user->po->np,
 			     owner, group);
-  mutex_unlock (&user->po->np->lock);
+  pthread_mutex_unlock (&user->po->np->lock);
   return err;
 }
diff --git a/libnetfs/file-exec.c b/libnetfs/file-exec.c
index 73c125ba..638f0ae8 100644
--- a/libnetfs/file-exec.c
+++ b/libnetfs/file-exec.c
@@ -70,12 +70,12 @@ netfs_S_file_exec (struct protid *cred,
 
   np = cred->po->np;
 
-  mutex_lock (&np->lock);
+  pthread_mutex_lock (&np->lock);
   mode = np->nn_stat.st_mode;
   uid = np->nn_stat.st_uid;
   gid = np->nn_stat.st_gid;
   err = netfs_validate_stat (np, cred->user);
-  mutex_unlock (&np->lock);
+  pthread_mutex_unlock (&np->lock);
 
   if (err)
     return err;
diff --git a/libnetfs/file-get-storage-info.c b/libnetfs/file-get-storage-info.c
index ac977be3..d2c9d8fc 100644
--- a/libnetfs/file-get-storage-info.c
+++ b/libnetfs/file-get-storage-info.c
@@ -36,12 +36,12 @@ netfs_S_file_get_storage_info (struct protid *user,
   if (!user)
     return EOPNOTSUPP;
 
-  mutex_lock (&user->po->np->lock);
+  pthread_mutex_lock (&user->po->np->lock);
   err = netfs_file_get_storage_info (user->user, user->po->np, ports,
       				     ports_type, num_ports, ints,
 				     num_ints, offsets, num_offsets,
 				     data, data_len);
-  mutex_unlock (&user->po->np->lock);
+  pthread_mutex_unlock (&user->po->np->lock);
 
   return err;
 }
diff --git a/libnetfs/file-get-translator.c b/libnetfs/file-get-translator.c
index 7edc8fd0..59e61020 100644
--- a/libnetfs/file-get-translator.c
+++ b/libnetfs/file-get-translator.c
@@ -37,12 +37,12 @@ netfs_S_file_get_translator (struct protid *user,
     return EOPNOTSUPP;
 
   np = user->po->np;
-  mutex_lock (&np->lock);
+  pthread_mutex_lock (&np->lock);
   err = netfs_validate_stat (np, user->user);
 
   if (err)
     {
-      mutex_unlock (&np->lock);
+      pthread_mutex_unlock (&np->lock);
       return err;
     }
 
@@ -112,7 +112,7 @@ netfs_S_file_get_translator (struct protid *user,
   else
     err = EINVAL;
 
-  mutex_unlock (&np->lock);
+  pthread_mutex_unlock (&np->lock);
 
   return err;
 }
diff --git a/libnetfs/file-lock-stat.c b/libnetfs/file-lock-stat.c
index 12f5eccf..49529cf4 100644
--- a/libnetfs/file-lock-stat.c
+++ b/libnetfs/file-lock-stat.c
@@ -29,9 +29,9 @@ netfs_S_file_lock_stat (struct protid *user,
   if (!user)
     return EOPNOTSUPP;
   
-  mutex_lock (&user->po->np->lock);
+  pthread_mutex_lock (&user->po->np->lock);
   *mystatus = user->po->lock_status;
   *otherstatus = user->po->np->userlock.type;
-  mutex_unlock (&user->po->np->lock);
+  pthread_mutex_unlock (&user->po->np->lock);
   return 0;
 }
diff --git a/libnetfs/file-lock.c b/libnetfs/file-lock.c
index cedc9c1d..0010d4be 100644
--- a/libnetfs/file-lock.c
+++ b/libnetfs/file-lock.c
@@ -28,9 +28,9 @@ netfs_S_file_lock (struct protid *user,
   error_t err;
   if (!user)
     return EOPNOTSUPP;
-  mutex_lock (&user->po->np->lock);
+  pthread_mutex_lock (&user->po->np->lock);
   err = fshelp_acquire_lock (&user->po->np->userlock, &user->po->lock_status,
 			     &user->po->np->lock, flags);
-  mutex_unlock (&user->po->np->lock);
+  pthread_mutex_unlock (&user->po->np->lock);
   return err;
 }
diff --git a/libnetfs/file-reparent.c b/libnetfs/file-reparent.c
index 396a0a6b..61b7e37f 100644
--- a/libnetfs/file-reparent.c
+++ b/libnetfs/file-reparent.c
@@ -40,19 +40,19 @@ netfs_S_file_reparent (struct protid *cred, mach_port_t parent,
 
   node = cred->po->np;
 
-  mutex_lock (&node->lock);
+  pthread_mutex_lock (&node->lock);
   
   new_cred =
     netfs_make_protid (netfs_make_peropen (node, cred->po->openstat, cred->po),
 		       user);
-  mutex_unlock (&node->lock);
+  pthread_mutex_unlock (&node->lock);
 
   if (new_cred)
     {
       /* Remove old shadow root state.  */
       if (new_cred->po->shadow_root && new_cred->po->shadow_root != node)
 	{
-	  mutex_lock (&new_cred->po->shadow_root->lock);
+	  pthread_mutex_lock (&new_cred->po->shadow_root->lock);
 	  netfs_nput (new_cred->po->shadow_root);
 	}
       if (new_cred->po->shadow_root_parent)
diff --git a/libnetfs/file-set-size.c b/libnetfs/file-set-size.c
index 7b253e04..72f31db7 100644
--- a/libnetfs/file-set-size.c
+++ b/libnetfs/file-set-size.c
@@ -30,9 +30,9 @@ netfs_S_file_set_size (struct protid *user,
   if (!user)
     return EOPNOTSUPP;
   
-  mutex_lock (&user->po->np->lock);
+  pthread_mutex_lock (&user->po->np->lock);
   err = netfs_attempt_set_size (user->user, user->po->np, size);
-  mutex_unlock (&user->po->np->lock);
+  pthread_mutex_unlock (&user->po->np->lock);
   return err;
 }
 
diff --git a/libnetfs/file-set-translator.c b/libnetfs/file-set-translator.c
index a0a70dba..4c29d952 100644
--- a/libnetfs/file-set-translator.c
+++ b/libnetfs/file-set-translator.c
@@ -43,7 +43,7 @@ netfs_S_file_set_translator (struct protid *user,
     return EINVAL;
 
   np = user->po->np;
-  mutex_lock (&np->lock);
+  pthread_mutex_lock (&np->lock);
 
   if (active_flags & FS_TRANS_SET
       && ! (active_flags & FS_TRANS_ORPHAN))
@@ -64,12 +64,12 @@ netfs_S_file_set_translator (struct protid *user,
       if (control != MACH_PORT_NULL
 	  && (active_flags & FS_TRANS_EXCL) == 0)
 	{
-	  mutex_unlock (&np->lock);
+	  pthread_mutex_unlock (&np->lock);
 	  err = fsys_goaway (control, killtrans_flags);
 	  if (err && err != MIG_SERVER_DIED && err != MACH_SEND_INVALID_DEST)
 	    return err;
 	  err = 0;
-	  mutex_lock (&np->lock);
+	  pthread_mutex_lock (&np->lock);
 	}
     }
 
@@ -123,7 +123,7 @@ netfs_S_file_set_translator (struct protid *user,
 	  assert (arg <= passive + passivelen);
 	  if (arg == passive + passivelen)
 	    {
-	      mutex_unlock (&np->lock);
+	      pthread_mutex_unlock (&np->lock);
 	      return EINVAL;
 	    }
 	  major = strtol (arg, 0, 0);
@@ -132,7 +132,7 @@ netfs_S_file_set_translator (struct protid *user,
 	  assert (arg < passive + passivelen);
 	  if (arg == passive + passivelen)
 	    {
-	      mutex_unlock (&np->lock);
+	      pthread_mutex_unlock (&np->lock);
 	      return EINVAL;
 	    }
 	  minor = strtol (arg, 0, 0);
@@ -148,7 +148,7 @@ netfs_S_file_set_translator (struct protid *user,
 	  assert (arg <= passive + passivelen);
 	  if (arg == passive + passivelen)
 	    {
-	      mutex_unlock (&np->lock);
+	      pthread_mutex_unlock (&np->lock);
 	      return EINVAL;
 	    }
 
@@ -176,6 +176,6 @@ netfs_S_file_set_translator (struct protid *user,
     }
 
  out:
-  mutex_unlock (&np->lock);
+  pthread_mutex_unlock (&np->lock);
   return err;
 }
diff --git a/libnetfs/file-statfs.c b/libnetfs/file-statfs.c
index 180d29fc..13ae7d94 100644
--- a/libnetfs/file-statfs.c
+++ b/libnetfs/file-statfs.c
@@ -30,8 +30,8 @@ netfs_S_file_statfs (struct protid *user,
   if (!user)
     return EOPNOTSUPP;
   
-  mutex_lock (&user->po->np->lock);
+  pthread_mutex_lock (&user->po->np->lock);
   err = netfs_attempt_statfs (user->user, user->po->np, st);
-  mutex_unlock (&user->po->np->lock);
+  pthread_mutex_unlock (&user->po->np->lock);
   return err;
 }
diff --git a/libnetfs/file-sync.c b/libnetfs/file-sync.c
index 99492ed8..4f6b4db8 100644
--- a/libnetfs/file-sync.c
+++ b/libnetfs/file-sync.c
@@ -31,8 +31,8 @@ netfs_S_file_sync (struct protid *user,
   if (!user)
     return EOPNOTSUPP;
   
-  mutex_lock (&user->po->np->lock);
+  pthread_mutex_lock (&user->po->np->lock);
   err = netfs_attempt_sync (user->user, user->po->np, wait);
-  mutex_unlock (&user->po->np->lock);
+  pthread_mutex_unlock (&user->po->np->lock);
   return err;
 }
diff --git a/libnetfs/file-syncfs.c b/libnetfs/file-syncfs.c
index 28e34a3a..2302e926 100644
--- a/libnetfs/file-syncfs.c
+++ b/libnetfs/file-syncfs.c
@@ -33,8 +33,8 @@ netfs_S_file_syncfs (struct protid *user,
   
   /* Translators not yet supported by netfs. XXX */
 
-  mutex_lock (&user->po->np->lock);
+  pthread_mutex_lock (&user->po->np->lock);
   err = netfs_attempt_syncfs (user->user, wait);
-  mutex_unlock (&user->po->np->lock);
+  pthread_mutex_unlock (&user->po->np->lock);
   return err;
 }
diff --git a/libnetfs/file-utimes.c b/libnetfs/file-utimes.c
index 45adf825..19156094 100644
--- a/libnetfs/file-utimes.c
+++ b/libnetfs/file-utimes.c
@@ -44,10 +44,10 @@ netfs_S_file_utimes (struct protid *user,
   if (!user)
     return EOPNOTSUPP;
   
-  mutex_lock (&user->po->np->lock);
+  pthread_mutex_lock (&user->po->np->lock);
   err = netfs_attempt_utimes (user->user, user->po->np, 
 			      atimein.microseconds != -1 ? &atime : 0, 
 			      mtimein.microseconds != -1 ? &mtime : 0);
-  mutex_unlock (&user->po->np->lock);
+  pthread_mutex_unlock (&user->po->np->lock);
   return err;
 }
diff --git a/libnetfs/fsys-getroot.c b/libnetfs/fsys-getroot.c
index d3e78332..a1dd5e54 100644
--- a/libnetfs/fsys-getroot.c
+++ b/libnetfs/fsys-getroot.c
@@ -55,7 +55,7 @@ netfs_S_fsys_getroot (mach_port_t cntl,
 
   flags &= O_HURD;
 
-  mutex_lock (&netfs_root_node->lock);
+  pthread_mutex_lock (&netfs_root_node->lock);
   err = netfs_validate_stat (netfs_root_node, cred);
   if (err)
     goto out;
@@ -73,7 +73,7 @@ netfs_S_fsys_getroot (mach_port_t cntl,
 			       do_retry, retry_name, retry_port);
       if (err != ENOENT)
 	{
-	  mutex_unlock (&netfs_root_node->lock);
+	  pthread_mutex_unlock (&netfs_root_node->lock);
 	  iohelp_free_iouser (cred);
 	  if (!err)
 	    *retry_port_type = MACH_MSG_TYPE_MOVE_SEND;
@@ -92,7 +92,7 @@ netfs_S_fsys_getroot (mach_port_t cntl,
       if (err)
 	goto out;
 
-      mutex_unlock (&netfs_root_node->lock);
+      pthread_mutex_unlock (&netfs_root_node->lock);
       iohelp_free_iouser (cred);
 
       if (pathbuf[0] == '/')
@@ -141,6 +141,6 @@ netfs_S_fsys_getroot (mach_port_t cntl,
  out:
   if (err)
     iohelp_free_iouser (cred);
-  mutex_unlock (&netfs_root_node->lock);
+  pthread_mutex_unlock (&netfs_root_node->lock);
   return err;
 }
diff --git a/libnetfs/fsys-set-options.c b/libnetfs/fsys-set-options.c
index 38f06c16..9dd8b007 100644
--- a/libnetfs/fsys-set-options.c
+++ b/libnetfs/fsys-set-options.c
@@ -48,7 +48,7 @@ netfs_S_fsys_set_options (fsys_t fsys,
 	mach_port_t control;
 
 	error = fshelp_fetch_control (&np->transbox, &control);
-	mutex_unlock (&np->lock);
+	pthread_mutex_unlock (&np->lock);
 	if (!error && (control != MACH_PORT_NULL))
 	  {
 	    error = fsys_set_options (control, data, data_len, do_children);
@@ -56,7 +56,7 @@ netfs_S_fsys_set_options (fsys_t fsys,
 	  }
 	else
 	  error = 0;
-	mutex_lock (&np->lock);
+	pthread_mutex_lock (&np->lock);
 
 	if ((error == MIG_SERVER_DIED) || (error == MACH_SEND_INVALID_DEST))
 	  error = 0;
diff --git a/libnetfs/init-init.c b/libnetfs/init-init.c
index 411430f0..e98b6562 100644
--- a/libnetfs/init-init.c
+++ b/libnetfs/init-init.c
@@ -21,7 +21,7 @@
 
 #include "netfs.h"
 
-spin_lock_t netfs_node_refcnt_lock = SPIN_LOCK_INITIALIZER;
+pthread_spinlock_t netfs_node_refcnt_lock = PTHREAD_SPINLOCK_INITIALIZER;
 
 struct node *netfs_root_node = 0;
 struct port_bucket *netfs_port_bucket = 0;
diff --git a/libnetfs/io-clear-some-openmodes.c b/libnetfs/io-clear-some-openmodes.c
index 27bbfac8..1da5e476 100644
--- a/libnetfs/io-clear-some-openmodes.c
+++ b/libnetfs/io-clear-some-openmodes.c
@@ -28,8 +28,8 @@ netfs_S_io_clear_some_openmodes (struct protid *user, int bits)
   if (!user)
     return EOPNOTSUPP;
   
-  mutex_lock (&user->po->np->lock);
+  pthread_mutex_lock (&user->po->np->lock);
   user->po->openstat &= ~(bits & HONORED_STATE_MODES);
-  mutex_unlock (&user->po->np->lock);
+  pthread_mutex_unlock (&user->po->np->lock);
   return 0;
 }
diff --git a/libnetfs/io-duplicate.c b/libnetfs/io-duplicate.c
index ad374fc9..b2c3a3a1 100644
--- a/libnetfs/io-duplicate.c
+++ b/libnetfs/io-duplicate.c
@@ -34,10 +34,10 @@ netfs_S_io_duplicate (struct protid *user,
   if (err)
     return err;
   
-  mutex_lock (&user->po->np->lock);
+  pthread_mutex_lock (&user->po->np->lock);
   newpi = netfs_make_protid (user->po, clone);
   *newport = ports_get_right (newpi);
-  mutex_unlock (&user->po->np->lock);
+  pthread_mutex_unlock (&user->po->np->lock);
   *newporttp = MACH_MSG_TYPE_MAKE_SEND;
   ports_port_deref (newpi);
   return 0;
diff --git a/libnetfs/io-get-openmodes.c b/libnetfs/io-get-openmodes.c
index e197fdc9..698c2937 100644
--- a/libnetfs/io-get-openmodes.c
+++ b/libnetfs/io-get-openmodes.c
@@ -27,8 +27,8 @@ netfs_S_io_get_openmodes (struct protid *user, int *bits)
   if (!user)
     return EOPNOTSUPP;
   
-  mutex_lock (&user->po->np->lock);
+  pthread_mutex_lock (&user->po->np->lock);
   *bits = user->po->openstat;
-  mutex_unlock (&user->po->np->lock);
+  pthread_mutex_unlock (&user->po->np->lock);
   return 0;
 }
diff --git a/libnetfs/io-get-owner.c b/libnetfs/io-get-owner.c
index c86207f7..9bbf41de 100644
--- a/libnetfs/io-get-owner.c
+++ b/libnetfs/io-get-owner.c
@@ -27,8 +27,8 @@ netfs_S_io_get_owner (struct protid *user, pid_t *owner)
   if (!user)
     return EOPNOTSUPP;
   
-  mutex_lock (&user->po->np->lock);
+  pthread_mutex_lock (&user->po->np->lock);
   *owner = user->po->np->owner;
-  mutex_unlock (&user->po->np->lock);
+  pthread_mutex_unlock (&user->po->np->lock);
   return 0;
 }
diff --git a/libnetfs/io-identity.c b/libnetfs/io-identity.c
index e62a01e4..0c6a191c 100644
--- a/libnetfs/io-identity.c
+++ b/libnetfs/io-identity.c
@@ -36,19 +36,19 @@ netfs_S_io_identity (struct protid *cred,
     return EOPNOTSUPP;
 
   np = cred->po->np;
-  mutex_lock (&np->lock);
+  pthread_mutex_lock (&np->lock);
 
   err = netfs_validate_stat (np, cred->user);
   if (err)
     {
-      mutex_unlock (&np->lock);
+      pthread_mutex_unlock (&np->lock);
       return err;
     }
 
   err = fshelp_get_identity (netfs_port_bucket, np->nn_stat.st_ino, id);
   if (err)
     {
-      mutex_unlock (&np->lock);
+      pthread_mutex_unlock (&np->lock);
       return err;
     }
   *idtype = MACH_MSG_TYPE_MAKE_SEND;
@@ -56,6 +56,6 @@ netfs_S_io_identity (struct protid *cred,
   *fsystype = MACH_MSG_TYPE_MAKE_SEND;
   *fileno = np->nn_stat.st_ino;
 
-  mutex_unlock (&np->lock);
+  pthread_mutex_unlock (&np->lock);
   return 0;
 }
diff --git a/libnetfs/io-mod-owner.c b/libnetfs/io-mod-owner.c
index 16c61060..91cbdb03 100644
--- a/libnetfs/io-mod-owner.c
+++ b/libnetfs/io-mod-owner.c
@@ -27,8 +27,8 @@ netfs_S_io_mod_owner (struct protid *user, pid_t owner)
   if (!user)
     return EOPNOTSUPP;
   
-  mutex_lock (&user->po->np->lock);
+  pthread_mutex_lock (&user->po->np->lock);
   user->po->np->owner = owner;
-  mutex_unlock (&user->po->np->lock);
+  pthread_mutex_unlock (&user->po->np->lock);
   return 0;
 }
diff --git a/libnetfs/io-read.c b/libnetfs/io-read.c
index ff8fbcff..0ce75db1 100644
--- a/libnetfs/io-read.c
+++ b/libnetfs/io-read.c
@@ -39,11 +39,11 @@ netfs_S_io_read (struct protid *user,
     return EOPNOTSUPP;
 
   node = user->po->np;
-  mutex_lock (&user->po->np->lock);
+  pthread_mutex_lock (&user->po->np->lock);
 
   if ((user->po->openstat & O_READ) == 0)
     {
-      mutex_unlock (&node->lock);
+      pthread_mutex_unlock (&node->lock);
       return EBADF;
     }
 
@@ -96,7 +96,7 @@ netfs_S_io_read (struct protid *user,
   if (offset == -1 && !err)
     user->po->filepointer += *datalen;
 
-  mutex_unlock (&node->lock);
+  pthread_mutex_unlock (&node->lock);
 
   if (err && alloced)
     munmap (*data, amount);
diff --git a/libnetfs/io-readable.c b/libnetfs/io-readable.c
index ad6bf3c1..07becf66 100644
--- a/libnetfs/io-readable.c
+++ b/libnetfs/io-readable.c
@@ -35,7 +35,7 @@ netfs_S_io_readable (struct protid *user,
   if (!(user->po->openstat & O_READ))
     return EINVAL;
   
-  mutex_lock (&user->po->np->lock);
+  pthread_mutex_lock (&user->po->np->lock);
   err = netfs_validate_stat (user->po->np, user->user);
   if (!err)
     {
@@ -44,6 +44,6 @@ netfs_S_io_readable (struct protid *user,
       else
 	*amount = 0;
     }
-  mutex_unlock (&user->po->np->lock);
+  pthread_mutex_unlock (&user->po->np->lock);
   return err;
 }
diff --git a/libnetfs/io-reauthenticate.c b/libnetfs/io-reauthenticate.c
index 3140499c..1d2d935a 100644
--- a/libnetfs/io-reauthenticate.c
+++ b/libnetfs/io-reauthenticate.c
@@ -31,7 +31,7 @@ netfs_S_io_reauthenticate (struct protid *user, mach_port_t rend_port)
   if (!user)
     return EOPNOTSUPP;
 
-  mutex_lock (&user->po->np->lock);
+  pthread_mutex_lock (&user->po->np->lock);
   newpi = netfs_make_protid (user->po, 0);
 
   newright = ports_get_send_right (newpi);
@@ -46,7 +46,7 @@ netfs_S_io_reauthenticate (struct protid *user, mach_port_t rend_port)
   mach_port_move_member (mach_task_self (), newpi->pi.port_right,
 			 netfs_port_bucket->portset);
 
-  mutex_unlock (&user->po->np->lock);
+  pthread_mutex_unlock (&user->po->np->lock);
   ports_port_deref (newpi);
 
   return err;
diff --git a/libnetfs/io-restrict-auth.c b/libnetfs/io-restrict-auth.c
index bddc8fea..0c3403d8 100644
--- a/libnetfs/io-restrict-auth.c
+++ b/libnetfs/io-restrict-auth.c
@@ -42,17 +42,17 @@ netfs_S_io_restrict_auth (struct protid *user,
   if (err)
     return err;
 
-  mutex_lock (&user->po->np->lock);
+  pthread_mutex_lock (&user->po->np->lock);
   newpi = netfs_make_protid (user->po, new_user);
   if (newpi)
     {
       *newport = ports_get_right (newpi);
-      mutex_unlock (&user->po->np->lock);
+      pthread_mutex_unlock (&user->po->np->lock);
       *newporttype = MACH_MSG_TYPE_MAKE_SEND;
     }
   else
     {
-      mutex_unlock (&user->po->np->lock);
+      pthread_mutex_unlock (&user->po->np->lock);
       iohelp_free_iouser (new_user);
       err = ENOMEM;
     }
diff --git a/libnetfs/io-revoke.c b/libnetfs/io-revoke.c
index 5b32622a..7877eabe 100644
--- a/libnetfs/io-revoke.c
+++ b/libnetfs/io-revoke.c
@@ -41,13 +41,13 @@ netfs_S_io_revoke (struct protid *cred)
 
   np = cred->po->np;
 
-  mutex_lock (&np->lock);
+  pthread_mutex_lock (&np->lock);
 
   err = netfs_validate_stat (np, cred->user);
   if (!err)
     err = fshelp_isowner (&np->nn_stat, cred->user);
 
-  mutex_unlock (&np->lock);
+  pthread_mutex_unlock (&np->lock);
 
   if (err)
     return err;
diff --git a/libnetfs/io-seek.c b/libnetfs/io-seek.c
index 85408a4d..cd2b3e4b 100644
--- a/libnetfs/io-seek.c
+++ b/libnetfs/io-seek.c
@@ -43,13 +43,13 @@ netfs_S_io_seek (struct protid *user,
         struct node *np;
 
         np = user->po->np;
-        mutex_lock (&np->lock);
+        pthread_mutex_lock (&np->lock);
 
         err = netfs_validate_stat (np, user->user);
         if (!err)
 	  offset += np->nn_stat.st_size;
 
-        mutex_unlock (&np->lock);
+        pthread_mutex_unlock (&np->lock);
       }
     case SEEK_SET:
     check:
diff --git a/libnetfs/io-set-all-openmodes.c b/libnetfs/io-set-all-openmodes.c
index 4f431459..2424282e 100644
--- a/libnetfs/io-set-all-openmodes.c
+++ b/libnetfs/io-set-all-openmodes.c
@@ -28,9 +28,9 @@ netfs_S_io_set_all_openmodes (struct protid *user, int newbits)
   if (!user)
     return EOPNOTSUPP;
   
-  mutex_lock (&user->po->np->lock);
+  pthread_mutex_lock (&user->po->np->lock);
   user->po->openstat &= ~HONORED_STATE_MODES;
   user->po->openstat |= (newbits & HONORED_STATE_MODES);
-  mutex_unlock (&user->po->np->lock);
+  pthread_mutex_unlock (&user->po->np->lock);
   return 0;
 }
diff --git a/libnetfs/io-set-some-openmodes.c b/libnetfs/io-set-some-openmodes.c
index 97bd2b43..48fbeed6 100644
--- a/libnetfs/io-set-some-openmodes.c
+++ b/libnetfs/io-set-some-openmodes.c
@@ -28,8 +28,8 @@ netfs_S_io_set_some_openmodes (struct protid *user, int bits)
   if (!user)
     return EOPNOTSUPP;
   
-  mutex_lock (&user->po->np->lock);
+  pthread_mutex_lock (&user->po->np->lock);
   user->po->openstat |= (bits & HONORED_STATE_MODES);
-  mutex_unlock (&user->po->np->lock);
+  pthread_mutex_unlock (&user->po->np->lock);
   return 0;
 }
diff --git a/libnetfs/io-stat.c b/libnetfs/io-stat.c
index 3826c9d9..cf2c25b3 100644
--- a/libnetfs/io-stat.c
+++ b/libnetfs/io-stat.c
@@ -32,7 +32,7 @@ netfs_S_io_stat (struct protid *user, io_statbuf_t *statbuf)
     return EOPNOTSUPP;
 
   node = user->po->np;
-  mutex_lock (&node->lock);
+  pthread_mutex_lock (&node->lock);
 
   err = netfs_validate_stat (node, user->user);
   if (! err)
@@ -47,7 +47,7 @@ netfs_S_io_stat (struct protid *user, io_statbuf_t *statbuf)
 	statbuf->st_mode |= S_IROOT; /* Is a root node.  */
     }
 
-  mutex_unlock (&node->lock);
+  pthread_mutex_unlock (&node->lock);
 
   return err;
 }
diff --git a/libnetfs/io-write.c b/libnetfs/io-write.c
index c4423dab..98c2a306 100644
--- a/libnetfs/io-write.c
+++ b/libnetfs/io-write.c
@@ -42,7 +42,7 @@ netfs_S_io_write (struct protid *user,
   *amount = datalen;
 
   np = user->po->np;
-  mutex_lock (&np->lock);
+  pthread_mutex_lock (&np->lock);
 
   if (off == -1)
     {
@@ -51,7 +51,7 @@ netfs_S_io_write (struct protid *user,
 	  err = netfs_validate_stat (np, user->user);
 	  if (err)
 	    {
-	      mutex_unlock (&np->lock);
+	      pthread_mutex_unlock (&np->lock);
 	      return err;
 	    }
 	  user->po->filepointer = np->nn_stat.st_size;
@@ -62,7 +62,7 @@ netfs_S_io_write (struct protid *user,
   err =  netfs_attempt_write (user->user, np, off, amount, data);
   if (offset == -1 && !err)
     user->po->filepointer += *amount;
-  mutex_unlock (&np->lock);
+  pthread_mutex_unlock (&np->lock);
   
   return err;
 }
diff --git a/libnetfs/make-node.c b/libnetfs/make-node.c
index c547bfcb..f20ada18 100644
--- a/libnetfs/make-node.c
+++ b/libnetfs/make-node.c
@@ -30,7 +30,7 @@ netfs_make_node (struct netnode *nn)
   
   np->nn = nn;
 
-  mutex_init (&np->lock);
+  pthread_mutex_init (&np->lock, NULL);
   np->references = 1;
   np->sockaddr = MACH_PORT_NULL;
   np->owner = 0;
diff --git a/libnetfs/netfs.h b/libnetfs/netfs.h
index 1dda718e..d1ebed01 100644
--- a/libnetfs/netfs.h
+++ b/libnetfs/netfs.h
@@ -23,6 +23,7 @@
 #include <hurd/fshelp.h>
 #include <hurd/iohelp.h>
 #include <assert.h>
+#include <pthread.h>
 
 /* This library supports client-side network file system
    implementations.  It is analogous to the diskfs library provided for
@@ -79,7 +80,7 @@ struct node
      are ignored, so you can set this to nn_stat.st_mode if you want that.  */
   mode_t nn_translated;
 
-  struct mutex lock;
+  pthread_mutex_t lock;
 
   /* The number of references to this node.  */
   int references;
@@ -359,7 +360,7 @@ struct node *netfs_make_node (struct netnode *);
 
 /* Whenever node->references is to be touched, this lock must be
    held.  Cf. netfs_nrele, netfs_nput, netfs_nref and netfs_drop_node.  */
-extern spin_lock_t netfs_node_refcnt_lock;
+extern pthread_spinlock_t netfs_node_refcnt_lock;
 
 /* Normally called in main.  This function sets up some of the netfs
    server's internal state.  */
diff --git a/libnetfs/nput.c b/libnetfs/nput.c
index c62b7b9f..611b37a0 100644
--- a/libnetfs/nput.c
+++ b/libnetfs/nput.c
@@ -23,7 +23,7 @@
 void
 netfs_nput (struct node *np)
 {
-  spin_lock (&netfs_node_refcnt_lock);
+  pthread_spin_lock (&netfs_node_refcnt_lock);
   assert (np->references);
   np->references--;
   if (np->references == 0)
@@ -31,8 +31,8 @@ netfs_nput (struct node *np)
     /* netfs_drop_node drops netfs_node_refcnt_lock for us.  */
   else
     {
-      spin_unlock (&netfs_node_refcnt_lock);
-      mutex_unlock (&np->lock);
+      pthread_spin_unlock (&netfs_node_refcnt_lock);
+      pthread_mutex_unlock (&np->lock);
     }
 }
 
diff --git a/libnetfs/nref.c b/libnetfs/nref.c
index 4e26910f..86b49927 100644
--- a/libnetfs/nref.c
+++ b/libnetfs/nref.c
@@ -23,7 +23,7 @@
 void
 netfs_nref (struct node *np)
 {
-  spin_lock (&netfs_node_refcnt_lock);
+  pthread_spin_lock (&netfs_node_refcnt_lock);
   np->references++;
-  spin_unlock (&netfs_node_refcnt_lock);
+  pthread_spin_unlock (&netfs_node_refcnt_lock);
 }
diff --git a/libnetfs/nrele.c b/libnetfs/nrele.c
index dca9599a..6f9a0144 100644
--- a/libnetfs/nrele.c
+++ b/libnetfs/nrele.c
@@ -23,15 +23,15 @@
 void
 netfs_nrele (struct node *np)
 {
-  spin_lock (&netfs_node_refcnt_lock);
+  pthread_spin_lock (&netfs_node_refcnt_lock);
   assert (np->references);
   np->references--;
   if (np->references == 0)
     {
-      mutex_lock (&np->lock);
+      pthread_mutex_lock (&np->lock);
       netfs_drop_node (np);
       /* netfs_drop_node drops netfs_node_refcnt_lock for us.  */
     }
   else
-    spin_unlock (&netfs_node_refcnt_lock);
+    pthread_spin_unlock (&netfs_node_refcnt_lock);
 }
diff --git a/libnetfs/release-peropen.c b/libnetfs/release-peropen.c
index 9a52184b..3e650999 100644
--- a/libnetfs/release-peropen.c
+++ b/libnetfs/release-peropen.c
@@ -23,9 +23,9 @@
 void
 netfs_release_peropen (struct peropen *po)
 {
-  mutex_lock (&po->np->lock);
+  pthread_mutex_lock (&po->np->lock);
   if (--po->refcnt)
-    mutex_unlock (&po->np->lock);
+    pthread_mutex_unlock (&po->np->lock);
   else
     {
       if (po->root_parent)
@@ -33,7 +33,7 @@ netfs_release_peropen (struct peropen *po)
 
       if (po->shadow_root && po->shadow_root != po->np)
 	{
-	  mutex_lock (&po->shadow_root->lock);
+	  pthread_mutex_lock (&po->shadow_root->lock);
 	  netfs_nput (po->shadow_root);
 	}
       if (po->shadow_root_parent)
diff --git a/libnetfs/shutdown.c b/libnetfs/shutdown.c
index 9ba137d0..b3463bfc 100644
--- a/libnetfs/shutdown.c
+++ b/libnetfs/shutdown.c
@@ -24,7 +24,7 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
 #include <sys/stat.h>
 #include <hurd/fsys.h>
 #include <hurd/fshelp.h>
-#include <cthreads.h>
+#include <pthread.h>
 
 /* Shutdown the filesystem; flags are as for fsys_goaway. */
 error_t
@@ -39,10 +39,10 @@ netfs_shutdown (int flags)
       err = fshelp_fetch_control (&node->transbox, &control);
       if (!err && (control != MACH_PORT_NULL))
         {
-          mutex_unlock (&node->lock);
+          pthread_mutex_unlock (&node->lock);
           err = fsys_goaway (control, flags);
           mach_port_deallocate (mach_task_self (), control);
-          mutex_lock (&node->lock);
+          pthread_mutex_lock (&node->lock);
         }
       else
         err = 0;