summary refs log tree commit diff
path: root/rt
diff options
context:
space:
mode:
authorRoland McGrath <roland@gnu.org>2001-06-16 04:47:37 +0000
committerRoland McGrath <roland@gnu.org>2001-06-16 04:47:37 +0000
commit5ec73bb91f231a0d7a3c54183a9282cafd5511cb (patch)
tree42da8a5cc86f92fa1331117501a336064a19ba7f /rt
parent636ccfc8fb4c9bd450fa5b7982771912a602d2b0 (diff)
downloadglibc-5ec73bb91f231a0d7a3c54183a9282cafd5511cb.tar.gz
glibc-5ec73bb91f231a0d7a3c54183a9282cafd5511cb.tar.xz
glibc-5ec73bb91f231a0d7a3c54183a9282cafd5511cb.zip
2001-06-15 Roland McGrath <roland@frob.com>
	* rt/Makefile (aio-routines, clock-routines, timer-routines): New
	variables, broken out of librt-routines.
	(librt-routines): Set using those.
	(extra-libs, extra-libc-others, tests): Set these unconditionally.
	(distribute): No need for $(librt-map) or $(librt-routines:=.c) here.
	* sysdeps/generic/aio_fsync.c: New file.
	* sysdeps/generic/aio_misc.c: New file.
	* sysdeps/generic/aio_write.c: New file.
	* sysdeps/generic/aio_write64.c: New file.
	* sysdeps/generic/aio_read64.c: New file.
	* sysdeps/generic/aio_read.c: New file.
	* sysdeps/generic/aio_notify.c: New file.
	* sysdeps/generic/lio_listio64.c: New file.
	* sysdeps/generic/lio_listio.c: New file.
	* sysdeps/generic/aio_cancel.c: New file.
	* sysdeps/generic/aio_misc.h: New file.
	* sysdeps/generic/aio_suspend.c: New file.
	* rt/aio_cancel.c: Moved to ...
	* sysdeps/pthread/aio_cancel.c: ... here.
	* rt/aio_fsync.c: Moved to ...
	* sysdeps/pthread/aio_fsync.c: ... here.
	* rt/aio_misc.c: Moved to ...
	* sysdeps/pthread/aio_misc.c: ... here.
	* rt/aio_misc.h: Moved to ...
	* sysdeps/pthread/aio_misc.h: ... here.
	* rt/aio_notify.c: Moved to ...
	* sysdeps/pthread/aio_notify.c: ... here.
	* rt/aio_read.c: Moved to ...
	* sysdeps/pthread/aio_read.c: ... here.
	* rt/aio_read64.c: Moved to ...
	* sysdeps/pthread/aio_read64.c: ... here.
	* rt/aio_suspend.c: Moved to ...
	* sysdeps/pthread/aio_suspend.c: ... here.
	* rt/aio_write.c: Moved to ...
	* sysdeps/pthread/aio_write.c: ... here.
	* rt/aio_write64.c: Moved to ...
	* sysdeps/pthread/aio_write64.c: ... here.
	* rt/lio_listio.c: Moved to ...
	* sysdeps/pthread/lio_listio.c: ... here.
	* rt/lio_listio64.c: Moved to ...
	* sysdeps/pthread/lio_listio64.c: ... here.
Diffstat (limited to 'rt')
-rw-r--r--rt/Makefile30
-rw-r--r--rt/aio_cancel.c142
-rw-r--r--rt/aio_fsync.c50
-rw-r--r--rt/aio_misc.c708
-rw-r--r--rt/aio_misc.h127
-rw-r--r--rt/aio_notify.c119
-rw-r--r--rt/aio_read.c32
-rw-r--r--rt/aio_read64.c32
-rw-r--r--rt/aio_suspend.c151
-rw-r--r--rt/aio_write.c32
-rw-r--r--rt/aio_write64.c32
-rw-r--r--rt/lio_listio.c187
-rw-r--r--rt/lio_listio64.c169
13 files changed, 14 insertions, 1797 deletions
diff --git a/rt/Makefile b/rt/Makefile
index 70e058c544..d2037bb2c5 100644
--- a/rt/Makefile
+++ b/rt/Makefile
@@ -1,4 +1,4 @@
-# Copyright (C) 1997, 1998, 1999, 2000, 2001 Free Software Foundation, Inc.
+# Copyright (C) 1997,98,99,2000,01 Free Software Foundation, Inc.
 # This file is part of the GNU C Library.
 
 # The GNU C Library is free software; you can redistribute it and/or
@@ -23,30 +23,28 @@ subdir	:= rt
 
 headers	:= aio.h
 
-librt-routines := aio_cancel aio_error aio_fsync aio_misc aio_read	\
+aio-routines   := aio_cancel aio_error aio_fsync aio_misc aio_read	\
 		  aio_read64 aio_return aio_suspend aio_write		\
 		  aio_write64 lio_listio lio_listio64 aio_sigqueue	\
-		  aio_notify get_clockfreq clock_getcpuclockid		\
+		  aio_notify
+clock-routines := get_clockfreq clock_getcpuclockid			\
 		  clock_getres clock_gettime clock_settime		\
-		  clock_nanosleep					\
-		  timer_create timer_delete timer_getoverr		\
-		  timer_gettime timer_settime				\
-		  shm_open shm_unlink
+		  clock_nanosleep
+timer-routines := timer_create timer_delete timer_getoverr		\
+		  timer_gettime timer_settime
+shm-routines   := shm_open shm_unlink
 
-# Make sure that everything is distributed independent of configuration.
-distribute := aio_misc.h $(librt-routines:=.c) $(librt-map)
+librt-routines = $(aio-routines) \
+		 $(clock-routines) $(timer-routines) \
+		 $(shm-routines)
 
-include ../Makeconfig
-
-ifeq ($(have-thread-library),yes)
-
-tests := tst-aio tst-aio64 tst-clock tst-shm tst-timer tst-aio2 tst-aio3 \
-	 tst-aio4 tst-aio5 tst-aio6
+tests := tst-shm tst-clock tst-timer \
+	 tst-aio tst-aio64 tst-aio2 tst-aio3 tst-aio4 tst-aio5 tst-aio6
 
 extra-libs := librt
 extra-libs-others := $(extra-libs)
 
-endif
+distribute := aio_misc.h
 
 include ../Rules
 
diff --git a/rt/aio_cancel.c b/rt/aio_cancel.c
deleted file mode 100644
index c1cfea50c8..0000000000
--- a/rt/aio_cancel.c
+++ /dev/null
@@ -1,142 +0,0 @@
-/* Cancel requests associated with given file descriptor.
-   Copyright (C) 1997, 1998, 2000 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Library General Public License as
-   published by the Free Software Foundation; either version 2 of the
-   License, or (at your option) any later version.
-
-   The GNU C Library 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
-   Library General Public License for more details.
-
-   You should have received a copy of the GNU Library General Public
-   License along with the GNU C Library; see the file COPYING.LIB.  If not,
-   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-   Boston, MA 02111-1307, USA.  */
-
-
-/* We use an UGLY hack to prevent gcc from finding us cheating.  The
-   implementation of aio_cancel and aio_cancel64 are identical and so
-   we want to avoid code duplication by using aliases.  But gcc sees
-   the different parameter lists and prints a warning.  We define here
-   a function so that aio_cancel64 has no prototype.  */
-#define aio_cancel64 XXX
-#include <aio.h>
-/* And undo the hack.  */
-#undef aio_cancel64
-
-#include <assert.h>
-#include <errno.h>
-
-#include "aio_misc.h"
-
-
-int
-aio_cancel (fildes, aiocbp)
-     int fildes;
-     struct aiocb *aiocbp;
-{
-  struct requestlist *req = NULL;
-  int result = AIO_ALLDONE;
-
-  /* Request the mutex.  */
-  pthread_mutex_lock (&__aio_requests_mutex);
-
-  /* We are asked to cancel a specific AIO request.  */
-  if (aiocbp != NULL)
-    {
-      /* If the AIO request is not for this descriptor it has no value
-	 to look for the request block.  */
-      if (aiocbp->aio_fildes == fildes)
-	{
-	  struct requestlist *last = NULL;
-
-	  req = __aio_find_req_fd (fildes);
-
-	  if (req == NULL)
-	    {
-	    not_found:
-	      pthread_mutex_unlock (&__aio_requests_mutex);
-	      __set_errno (EINVAL);
-	      return -1;
-	    }
-
-	  while (req->aiocbp != (aiocb_union *) aiocbp)
-	    {
-	      last = req;
-	      req = req->next_prio;
-	      if (req == NULL)
-		goto not_found;
-	    }
-
-	  /* Don't remove the entry if a thread is already working on it.  */
-	  if (req->running == allocated)
-	    {
-	      result = AIO_NOTCANCELED;
-	      req = NULL;
-	    }
-	  else
-	    {
-	      /* We can remove the entry.  */
-	      __aio_remove_request (last, req, 0);
-
-	      result = AIO_CANCELED;
-
-	      req->next_prio = NULL;
-	    }
-	}
-    }
-  else
-    {
-      /* Find the beginning of the list of all requests for this
-	 desriptor.  */
-      req = __aio_find_req_fd (fildes);
-
-      /* If any request is worked on by a thread it must be the first.
-	 So either we can delete all requests or all but the first.  */
-      if (req != NULL)
-	{
-	  if (req->running == allocated)
-	    {
-	      struct requestlist *old = req;
-	      req = req->next_prio;
-	      old->next_prio = NULL;
-
-	      result = AIO_NOTCANCELED;
-
-	      if (req != NULL)
-		__aio_remove_request (old, req, 1);
-	    }
-	  else
-	    {
-	      result = AIO_CANCELED;
-
-	      /* We can remove the entry.  */
-	      __aio_remove_request (NULL, req, 1);
-	    }
-	}
-    }
-
-  /* Mark requests as canceled and send signal.  */
-  while (req != NULL)
-    {
-      struct requestlist *old = req;
-      assert (req->running == yes || req->running == queued);
-      req->aiocbp->aiocb.__error_code = ECANCELED;
-      req->aiocbp->aiocb.__return_value = -1;
-      __aio_notify (req);
-      req = req->next_prio;
-      __aio_free_request (old);
-    }
-
-  /* Release the mutex.  */
-  pthread_mutex_unlock (&__aio_requests_mutex);
-
-  return result;
-}
-
-weak_alias (aio_cancel, aio_cancel64)
diff --git a/rt/aio_fsync.c b/rt/aio_fsync.c
deleted file mode 100644
index 298b4ec87d..0000000000
--- a/rt/aio_fsync.c
+++ /dev/null
@@ -1,50 +0,0 @@
-/* Synchronize I/O in given file descriptor.
-   Copyright (C) 1997, 1999 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Library General Public License as
-   published by the Free Software Foundation; either version 2 of the
-   License, or (at your option) any later version.
-
-   The GNU C Library 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
-   Library General Public License for more details.
-
-   You should have received a copy of the GNU Library General Public
-   License along with the GNU C Library; see the file COPYING.LIB.  If not,
-   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-   Boston, MA 02111-1307, USA.  */
-
-
-/* We use an UGLY hack to prevent gcc from finding us cheating.  The
-   implementation of aio_fsync and aio_fsync64 are identical and so
-   we want to avoid code duplication by using aliases.  But gcc sees
-   the different parameter lists and prints a warning.  We define here
-   a function so that aio_fsync64 has no prototype.  */
-#define aio_fsync64 XXX
-#include <aio.h>
-/* And undo the hack.  */
-#undef aio_fsync64
-#include <errno.h>
-
-#include "aio_misc.h"
-
-
-int
-aio_fsync (int op, struct aiocb *aiocbp)
-{
-  if (op != O_DSYNC && op != O_SYNC)
-    {
-      __set_errno (EINVAL);
-      return -1;
-    }
-
-  return (__aio_enqueue_request ((aiocb_union *) aiocbp,
-				 op == O_SYNC ? LIO_SYNC : LIO_DSYNC) == NULL
-	  ? -1 : 0);
-}
-
-weak_alias (aio_fsync, aio_fsync64)
diff --git a/rt/aio_misc.c b/rt/aio_misc.c
deleted file mode 100644
index 1026e061c8..0000000000
--- a/rt/aio_misc.c
+++ /dev/null
@@ -1,708 +0,0 @@
-/* Handle general operations.
-   Copyright (C) 1997, 1998, 1999, 2000, 2001 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Library General Public License as
-   published by the Free Software Foundation; either version 2 of the
-   License, or (at your option) any later version.
-
-   The GNU C Library 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
-   Library General Public License for more details.
-
-   You should have received a copy of the GNU Library General Public
-   License along with the GNU C Library; see the file COPYING.LIB.  If not,
-   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-   Boston, MA 02111-1307, USA.  */
-
-#include <aio.h>
-#include <assert.h>
-#include <errno.h>
-#include <limits.h>
-#include <pthread.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <sys/stat.h>
-#include <sys/time.h>
-
-#include "aio_misc.h"
-
-static void add_request_to_runlist (struct requestlist *newrequest);
-
-/* Pool of request list entries.  */
-static struct requestlist **pool;
-
-/* Number of total and allocated pool entries.  */
-static size_t pool_max_size;
-static size_t pool_size;
-
-/* We implement a two dimensional array but allocate each row separately.
-   The macro below determines how many entries should be used per row.
-   It should better be a power of two.  */
-#define ENTRIES_PER_ROW	32
-
-/* How many rows we allocate at once.  */
-#define ROWS_STEP	8
-
-/* List of available entries.  */
-static struct requestlist *freelist;
-
-/* List of request waiting to be processed.  */
-static struct requestlist *runlist;
-
-/* Structure list of all currently processed requests.  */
-static struct requestlist *requests;
-
-/* Number of threads currently running.  */
-static int nthreads;
-
-/* Number of threads waiting for work to arrive. */
-static int idle_thread_count;
-
-
-/* These are the values used to optimize the use of AIO.  The user can
-   overwrite them by using the `aio_init' function.  */
-static struct aioinit optim =
-{
-  20,	/* int aio_threads;	Maximal number of threads.  */
-  64,	/* int aio_num;		Number of expected simultanious requests. */
-  0,
-  0,
-  0,
-  0,
-  1,
-  0
-};
-
-
-/* Since the list is global we need a mutex protecting it.  */
-pthread_mutex_t __aio_requests_mutex = PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP;
-
-/* When you add a request to the list and there are idle threads present,
-   you signal this condition variable. When a thread finishes work, it waits
-   on this condition variable for a time before it actually exits. */
-pthread_cond_t __aio_new_request_notification = PTHREAD_COND_INITIALIZER;
-
-
-/* Functions to handle request list pool.  */
-static struct requestlist *
-get_elem (void)
-{
-  struct requestlist *result;
-
-  if (freelist == NULL)
-    {
-      struct requestlist *new_row;
-      int cnt;
-
-      assert (sizeof (struct aiocb) == sizeof (struct aiocb64));
-
-      if (pool_size + 1 >= pool_max_size)
-	{
-	  size_t new_max_size = pool_max_size + ROWS_STEP;
-	  struct requestlist **new_tab;
-
-	  new_tab = (struct requestlist **)
-	    realloc (pool, new_max_size * sizeof (struct requestlist *));
-
-	  if (new_tab == NULL)
-	    return NULL;
-
-	  pool_max_size = new_max_size;
-	  pool = new_tab;
-	}
-
-      /* Allocate the new row.  */
-      cnt = pool_size == 0 ? optim.aio_num : ENTRIES_PER_ROW;
-      new_row = (struct requestlist *) calloc (cnt,
-					       sizeof (struct requestlist));
-      if (new_row == NULL)
-	return NULL;
-
-      pool[pool_size++] = new_row;
-
-      /* Put all the new entries in the freelist.  */
-      do
-	{
-	  new_row->next_prio = freelist;
-	  freelist = new_row++;
-	}
-      while (--cnt > 0);
-    }
-
-  result = freelist;
-  freelist = freelist->next_prio;
-
-  return result;
-}
-
-
-void
-internal_function
-__aio_free_request (struct requestlist *elem)
-{
-  elem->running = no;
-  elem->next_prio = freelist;
-  freelist = elem;
-}
-
-
-struct requestlist *
-internal_function
-__aio_find_req (aiocb_union *elem)
-{
-  struct requestlist *runp = requests;
-  int fildes = elem->aiocb.aio_fildes;
-
-  while (runp != NULL && runp->aiocbp->aiocb.aio_fildes < fildes)
-    runp = runp->next_fd;
-
-  if (runp != NULL)
-    {
-      if (runp->aiocbp->aiocb.aio_fildes != fildes)
-	runp = NULL;
-      else
-	while (runp != NULL && runp->aiocbp != elem)
-	  runp = runp->next_prio;
-    }
-
-  return runp;
-}
-
-
-struct requestlist *
-internal_function
-__aio_find_req_fd (int fildes)
-{
-  struct requestlist *runp = requests;
-
-  while (runp != NULL && runp->aiocbp->aiocb.aio_fildes < fildes)
-    runp = runp->next_fd;
-
-  return (runp != NULL && runp->aiocbp->aiocb.aio_fildes == fildes
-	  ? runp : NULL);
-}
-
-
-void
-internal_function
-__aio_remove_request (struct requestlist *last, struct requestlist *req,
-		      int all)
-{
-  assert (req->running == yes || req->running == queued
-	  || req->running == done);
-
-  if (last != NULL)
-    last->next_prio = all ? NULL : req->next_prio;
-  else
-    {
-      if (all || req->next_prio == NULL)
-	{
-	  if (req->last_fd != NULL)
-	    req->last_fd->next_fd = req->next_fd;
-	  else
-	    requests = req->next_fd;
-	  if (req->next_fd != NULL)
-	    req->next_fd->last_fd = req->last_fd;
-	}
-      else
-	{
-	  if (req->last_fd != NULL)
-	    req->last_fd->next_fd = req->next_prio;
-	  else
-	    requests = req->next_prio;
-
-	  if (req->next_fd != NULL)
-	    req->next_fd->last_fd = req->next_prio;
-
-	  req->next_prio->last_fd = req->last_fd;
-	  req->next_prio->next_fd = req->next_fd;
-
-	  /* Mark this entry as runnable.  */
-	  req->next_prio->running = yes;
-	}
-
-      if (req->running == yes)
-	{
-	  struct requestlist *runp = runlist;
-
-	  last = NULL;
-	  while (runp != NULL)
-	    {
-	      if (runp == req)
-		{
-		  if (last == NULL)
-		    runlist = runp->next_run;
-		  else
-		    last->next_run = runp->next_run;
-		  break;
-		}
-	      last = runp;
-	      runp = runp->next_run;
-	    }
-	}
-    }
-}
-
-
-/* The thread handler.  */
-static void *handle_fildes_io (void *arg);
-
-
-/* User optimization.  */
-void
-__aio_init (const struct aioinit *init)
-{
-  /* Get the mutex.  */
-  pthread_mutex_lock (&__aio_requests_mutex);
-
-  /* Only allow writing new values if the table is not yet allocated.  */
-  if (pool == NULL)
-    {
-      optim.aio_threads = init->aio_threads < 1 ? 1 : init->aio_threads;
-      optim.aio_num = (init->aio_num < ENTRIES_PER_ROW
-		       ? ENTRIES_PER_ROW
-		       : init->aio_num & ~ENTRIES_PER_ROW);
-    }
-
-  if (init->aio_idle_time != 0)
-    optim.aio_idle_time = init->aio_idle_time;
-
-  /* Release the mutex.  */
-  pthread_mutex_unlock (&__aio_requests_mutex);
-}
-weak_alias (__aio_init, aio_init)
-
-
-/* The main function of the async I/O handling.  It enqueues requests
-   and if necessary starts and handles threads.  */
-struct requestlist *
-internal_function
-__aio_enqueue_request (aiocb_union *aiocbp, int operation)
-{
-  int result = 0;
-  int policy, prio;
-  struct sched_param param;
-  struct requestlist *last, *runp, *newp;
-  int running = no;
-
-  if (operation == LIO_SYNC || operation == LIO_DSYNC)
-    aiocbp->aiocb.aio_reqprio = 0;
-  else if (aiocbp->aiocb.aio_reqprio < 0
-	   || aiocbp->aiocb.aio_reqprio > AIO_PRIO_DELTA_MAX)
-    {
-      /* Invalid priority value.  */
-      __set_errno (EINVAL);
-      aiocbp->aiocb.__error_code = EINVAL;
-      aiocbp->aiocb.__return_value = -1;
-      return NULL;
-    }
-
-  /* Compute priority for this request.  */
-  pthread_getschedparam (pthread_self (), &policy, &param);
-  prio = param.sched_priority - aiocbp->aiocb.aio_reqprio;
-
-  /* Get the mutex.  */
-  pthread_mutex_lock (&__aio_requests_mutex);
-
-  last = NULL;
-  runp = requests;
-  /* First look whether the current file descriptor is currently
-     worked with.  */
-  while (runp != NULL
-	 && runp->aiocbp->aiocb.aio_fildes < aiocbp->aiocb.aio_fildes)
-    {
-      last = runp;
-      runp = runp->next_fd;
-    }
-
-  /* Get a new element for the waiting list.  */
-  newp = get_elem ();
-  if (newp == NULL)
-    {
-      pthread_mutex_unlock (&__aio_requests_mutex);
-      __set_errno (EAGAIN);
-      return NULL;
-    }
-  newp->aiocbp = aiocbp;
-  newp->caller_pid = (aiocbp->aiocb.aio_sigevent.sigev_notify == SIGEV_SIGNAL
-		      ? getpid () : 0);
-  newp->waiting = NULL;
-
-  aiocbp->aiocb.__abs_prio = prio;
-  aiocbp->aiocb.__policy = policy;
-  aiocbp->aiocb.aio_lio_opcode = operation;
-  aiocbp->aiocb.__error_code = EINPROGRESS;
-  aiocbp->aiocb.__return_value = 0;
-
-  if (runp != NULL
-      && runp->aiocbp->aiocb.aio_fildes == aiocbp->aiocb.aio_fildes)
-    {
-      /* The current file descriptor is worked on.  It makes no sense
-	 to start another thread since this new thread would fight
-	 with the running thread for the resources.  But we also cannot
-	 say that the thread processing this desriptor shall immediately
-	 after finishing the current job process this request if there
-	 are other threads in the running queue which have a higher
-	 priority.  */
-
-      /* Simply enqueue it after the running one according to the
-	 priority.  */
-      while (runp->next_prio != NULL
-	     && runp->next_prio->aiocbp->aiocb.__abs_prio >= prio)
-	runp = runp->next_prio;
-
-      newp->next_prio = runp->next_prio;
-      runp->next_prio = newp;
-
-      running = queued;
-    }
-  else
-    {
-      running = yes;
-      /* Enqueue this request for a new descriptor.  */
-      if (last == NULL)
-	{
-	  newp->last_fd = NULL;
-	  newp->next_fd = requests;
-	  if (requests != NULL)
-	    requests->last_fd = newp;
-	  requests = newp;
-	}
-      else
-	{
-	  newp->next_fd = last->next_fd;
-	  newp->last_fd = last;
-	  last->next_fd = newp;
-	  if (newp->next_fd != NULL)
-	    newp->next_fd->last_fd = newp;
-	}
-
-      newp->next_prio = NULL;
-    }
-
-  if (running == yes)
-    {
-      /* We try to create a new thread for this file descriptor.  The
-	 function which gets called will handle all available requests
-	 for this descriptor and when all are processed it will
-	 terminate.
-
-	 If no new thread can be created or if the specified limit of
-	 threads for AIO is reached we queue the request.  */
-
-      /* See if we need to and are able to create a thread.  */
-      if (nthreads < optim.aio_threads && idle_thread_count == 0)
-	{
-	  pthread_t thid;
-	  pthread_attr_t attr;
-
-	  /* Make sure the thread is created detached.  */
-	  pthread_attr_init (&attr);
-	  pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED);
-
-	  running = newp->running = allocated;
-
-	  /* Now try to start a thread.  */
-	  if (pthread_create (&thid, &attr, handle_fildes_io, newp) == 0)
-	    /* We managed to enqueue the request.  All errors which can
-	       happen now can be recognized by calls to `aio_return' and
-	       `aio_error'.  */
-	    ++nthreads;
-	  else
-	    {
-	      /* Reset the running flag.  The new request is not running.  */
-	      running = newp->running = yes;
-
-	      if (nthreads == 0)
-		/* We cannot create a thread in the moment and there is
-		   also no thread running.  This is a problem.  `errno' is
-		   set to EAGAIN if this is only a temporary problem.  */
-		result = -1;
-	    }
-	}
-    }
-
-  /* Enqueue the request in the run queue if it is not yet running.  */
-  if (running == yes && result == 0)
-    {
-      add_request_to_runlist (newp);
-
-      /* If there is a thread waiting for work, then let it know that we
-	 have just given it something to do. */
-      if (idle_thread_count > 0)
-	pthread_cond_signal (&__aio_new_request_notification);
-    }
-
-  if (result == 0)
-    newp->running = running;
-  else
-    {
-      /* Something went wrong.  */
-      __aio_free_request (newp);
-      newp = NULL;
-    }
-
-  /* Release the mutex.  */
-  pthread_mutex_unlock (&__aio_requests_mutex);
-
-  return newp;
-}
-
-
-static void *
-__attribute__ ((noreturn))
-handle_fildes_io (void *arg)
-{
-  pthread_t self = pthread_self ();
-  struct sched_param param;
-  struct requestlist *runp = (struct requestlist *) arg;
-  aiocb_union *aiocbp;
-  int policy;
-  int fildes;
-
-  pthread_getschedparam (self, &policy, &param);
-
-  do
-    {
-      /* If runp is NULL, then we were created to service the work queue
-	 in general, not to handle any particular request. In that case we
-	 skip the "do work" stuff on the first pass, and go directly to the
-	 "get work off the work queue" part of this loop, which is near the
-	 end. */
-      if (runp == NULL)
-	pthread_mutex_lock (&__aio_requests_mutex);
-      else
-	{
-	  /* Hopefully this request is marked as running.  */
-	  assert (runp->running == allocated);
-
-	  /* Update our variables.  */
-	  aiocbp = runp->aiocbp;
-	  fildes = aiocbp->aiocb.aio_fildes;
-
-	  /* Change the priority to the requested value (if necessary).  */
-	  if (aiocbp->aiocb.__abs_prio != param.sched_priority
-	      || aiocbp->aiocb.__policy != policy)
-	    {
-	      param.sched_priority = aiocbp->aiocb.__abs_prio;
-	      policy = aiocbp->aiocb.__policy;
-	      pthread_setschedparam (self, policy, &param);
-	    }
-
-	  /* Process request pointed to by RUNP.  We must not be disturbed
-	     by signals.  */
-	  if ((aiocbp->aiocb.aio_lio_opcode & 127) == LIO_READ)
-	    {
-	      if (aiocbp->aiocb.aio_lio_opcode & 128)
-		aiocbp->aiocb.__return_value =
-		  TEMP_FAILURE_RETRY (__pread64 (fildes, (void *)
-						 aiocbp->aiocb64.aio_buf,
-						 aiocbp->aiocb64.aio_nbytes,
-						 aiocbp->aiocb64.aio_offset));
-	      else
-		aiocbp->aiocb.__return_value =
-		  TEMP_FAILURE_RETRY (pread (fildes,
-					     (void *) aiocbp->aiocb.aio_buf,
-					     aiocbp->aiocb.aio_nbytes,
-					     aiocbp->aiocb.aio_offset));
-
-	      if (aiocbp->aiocb.__return_value == -1 && errno == ESPIPE)
-		/* The Linux kernel is different from others.  It returns
-		   ESPIPE if using pread on a socket.  Other platforms
-		   simply ignore the offset parameter and behave like
-		   read.  */
-		aiocbp->aiocb.__return_value =
-		  TEMP_FAILURE_RETRY (read (fildes,
-					    (void *) aiocbp->aiocb64.aio_buf,
-					    aiocbp->aiocb64.aio_nbytes));
-	    }
-	  else if ((aiocbp->aiocb.aio_lio_opcode & 127) == LIO_WRITE)
-	    {
-	      if (aiocbp->aiocb.aio_lio_opcode & 128)
-		aiocbp->aiocb.__return_value =
-		  TEMP_FAILURE_RETRY (__pwrite64 (fildes, (const void *)
-						  aiocbp->aiocb64.aio_buf,
-						  aiocbp->aiocb64.aio_nbytes,
-						  aiocbp->aiocb64.aio_offset));
-	      else
-		aiocbp->aiocb.__return_value =
-		  TEMP_FAILURE_RETRY (pwrite (fildes, (const void *)
-					      aiocbp->aiocb.aio_buf,
-					      aiocbp->aiocb.aio_nbytes,
-					      aiocbp->aiocb.aio_offset));
-
-	      if (aiocbp->aiocb.__return_value == -1 && errno == ESPIPE)
-		/* The Linux kernel is different from others.  It returns
-		   ESPIPE if using pwrite on a socket.  Other platforms
-		   simply ignore the offset parameter and behave like
-		   write.  */
-		aiocbp->aiocb.__return_value =
-		  TEMP_FAILURE_RETRY (write (fildes,
-					     (void *) aiocbp->aiocb64.aio_buf,
-					     aiocbp->aiocb64.aio_nbytes));
-	    }
-	  else if (aiocbp->aiocb.aio_lio_opcode == LIO_DSYNC)
-	    aiocbp->aiocb.__return_value =
-	      TEMP_FAILURE_RETRY (fdatasync (fildes));
-	  else if (aiocbp->aiocb.aio_lio_opcode == LIO_SYNC)
-	    aiocbp->aiocb.__return_value =
-	      TEMP_FAILURE_RETRY (fsync (fildes));
-	  else
-	    {
-	      /* This is an invalid opcode.  */
-	      aiocbp->aiocb.__return_value = -1;
-	      __set_errno (EINVAL);
-	    }
-
-	  /* Get the mutex.  */
-	  pthread_mutex_lock (&__aio_requests_mutex);
-
-	  /* In theory we would need here a write memory barrier since the
-	     callers test using aio_error() whether the request finished
-	     and once this value != EINPROGRESS the field __return_value
-	     must be committed to memory.
-
-	     But since the pthread_mutex_lock call involves write memory
-	     barriers as well it is not necessary.  */
-
-	  if (aiocbp->aiocb.__return_value == -1)
-	    aiocbp->aiocb.__error_code = errno;
-	  else
-	    aiocbp->aiocb.__error_code = 0;
-
-	  /* Send the signal to notify about finished processing of the
-	     request.  */
-	  __aio_notify (runp);
-
-	  /* For debugging purposes we reset the running flag of the
-	     finished request.  */
-	  assert (runp->running == allocated);
-	  runp->running = done;
-
-	  /* Now dequeue the current request.  */
-	  __aio_remove_request (NULL, runp, 0);
-	  if (runp->next_prio != NULL)
-	    add_request_to_runlist (runp->next_prio);
-
-	  /* Free the old element.  */
-	  __aio_free_request (runp);
-	}
-
-      runp = runlist;
-
-      /* If the runlist is empty, then we sleep for a while, waiting for
-	 something to arrive in it. */
-      if (runp == NULL && optim.aio_idle_time >= 0)
-	{
-	  struct timeval now;
-	  struct timespec wakeup_time;
-
-	  ++idle_thread_count;
-	  gettimeofday (&now, NULL);
-	  wakeup_time.tv_sec = now.tv_sec + optim.aio_idle_time;
-	  wakeup_time.tv_nsec = now.tv_usec * 1000;
-	  if (wakeup_time.tv_nsec > 1000000000)
-	    {
-	      wakeup_time.tv_nsec -= 1000000000;
-	      ++wakeup_time.tv_sec;
-	    }
-	  pthread_cond_timedwait (&__aio_new_request_notification,
-				  &__aio_requests_mutex,
-				  &wakeup_time);
-	  --idle_thread_count;
-	  runp = runlist;
-	}
-
-      if (runp == NULL)
-	--nthreads;
-      else
-	{
-	  assert (runp->running == yes);
-	  runp->running = allocated;
-	  runlist = runp->next_run;
-
-	  /* If we have a request to process, and there's still another in
-	     the run list, then we need to either wake up or create a new
-	     thread to service the request that is still in the run list. */
-	  if (runlist != NULL)
-	    {
-	      /* There are at least two items in the work queue to work on.
-		 If there are other idle threads, then we should wake them
-		 up for these other work elements; otherwise, we should try
-		 to create a new thread. */
-	      if (idle_thread_count > 0)
-		pthread_cond_signal (&__aio_new_request_notification);
-	      else if (nthreads < optim.aio_threads)
-		{
-		  pthread_t thid;
-		  pthread_attr_t attr;
-
-		  /* Make sure the thread is created detached.  */
-		  pthread_attr_init (&attr);
-		  pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED);
-
-		  /* Now try to start a thread. If we fail, no big deal,
-		     because we know that there is at least one thread (us)
-		     that is working on AIO operations. */
-		  if (pthread_create (&thid, &attr, handle_fildes_io, NULL)
-		      == 0)
-		    ++nthreads;
-		}
-	    }
-	}
-
-      /* Release the mutex.  */
-      pthread_mutex_unlock (&__aio_requests_mutex);
-    }
-  while (runp != NULL);
-
-  pthread_exit (NULL);
-}
-
-
-/* Free allocated resources.  */
-static void
-__attribute__ ((unused))
-free_res (void)
-{
-  size_t row;
-
-  for (row = 0; row < pool_max_size; ++row)
-    free (pool[row]);
-
-  free (pool);
-}
-text_set_element (__libc_subfreeres, free_res);
-
-
-/* Add newrequest to the runlist. The __abs_prio flag of newrequest must
-   be correctly set to do this. Also, you had better set newrequest's
-   "running" flag to "yes" before you release your lock or you'll throw an
-   assertion. */
-static void
-add_request_to_runlist (struct requestlist *newrequest)
-{
-  int prio = newrequest->aiocbp->aiocb.__abs_prio;
-  struct requestlist *runp;
-
-  if (runlist == NULL || runlist->aiocbp->aiocb.__abs_prio < prio)
-    {
-      newrequest->next_run = runlist;
-      runlist = newrequest;
-    }
-  else
-    {
-      runp = runlist;
-
-      while (runp->next_run != NULL
-	     && runp->next_run->aiocbp->aiocb.__abs_prio >= prio)
-	runp = runp->next_run;
-
-      newrequest->next_run = runp->next_run;
-      runp->next_run = newrequest;
-    }
-}
diff --git a/rt/aio_misc.h b/rt/aio_misc.h
deleted file mode 100644
index 372b5556ca..0000000000
--- a/rt/aio_misc.h
+++ /dev/null
@@ -1,127 +0,0 @@
-/* Copyright (C) 1997, 1999, 2000 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Library General Public License as
-   published by the Free Software Foundation; either version 2 of the
-   License, or (at your option) any later version.
-
-   The GNU C Library 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
-   Library General Public License for more details.
-
-   You should have received a copy of the GNU Library General Public
-   License along with the GNU C Library; see the file COPYING.LIB.  If not,
-   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-   Boston, MA 02111-1307, USA.  */
-
-#ifndef _AIO_MISC_H
-#define _AIO_MISC_H	1
-
-#include <aio.h>
-#include <pthread.h>
-
-
-/* Extend the operation enum.  */
-enum
-{
-  LIO_DSYNC = LIO_READ + 1,
-  LIO_SYNC,
-  LIO_READ64 = LIO_READ | 128,
-  LIO_WRITE64 = LIO_WRITE | 128
-};
-
-
-/* Union of the two request types.  */
-typedef union
-  {
-    struct aiocb aiocb;
-    struct aiocb64 aiocb64;
-  } aiocb_union;
-
-
-/* Used to synchronize.  */
-struct waitlist
-  {
-    struct waitlist *next;
-
-    pthread_cond_t *cond;
-    volatile int *counterp;
-    /* The next field is used in asynchronous `lio_listio' operations.  */
-    struct sigevent *sigevp;
-    /* XXX See requestlist, it's used to work around the broken signal
-       handling in Linux.  */
-    pid_t caller_pid;
-  };
-
-
-/* Status of a request.  */
-enum
-{
-  no,
-  queued,
-  yes,
-  allocated,
-  done
-};
-
-
-/* Used to queue requests..  */
-struct requestlist
-  {
-    int running;
-
-    struct requestlist *last_fd;
-    struct requestlist *next_fd;
-    struct requestlist *next_prio;
-    struct requestlist *next_run;
-
-    /* Pointer to the actual data.  */
-    aiocb_union *aiocbp;
-
-    /* PID of the initiator thread.
-       XXX This is only necessary for the broken signal handling on Linux.  */
-    pid_t caller_pid;
-
-    /* List of waiting processes.  */
-    struct waitlist *waiting;
-  };
-
-
-/* Lock for global I/O list of requests.  */
-extern pthread_mutex_t __aio_requests_mutex;
-
-
-/* Enqueue request.  */
-extern struct requestlist *__aio_enqueue_request (aiocb_union *aiocbp,
-						  int operation)
-     internal_function;
-
-/* Find request entry for given AIO control block.  */
-extern struct requestlist *__aio_find_req (aiocb_union *elem)
-     internal_function;
-
-/* Find request entry for given file descriptor.  */
-extern struct requestlist *__aio_find_req_fd (int fildes) internal_function;
-
-/* Remove request from the list.  */
-extern void __aio_remove_request (struct requestlist *last,
-				  struct requestlist *req, int all)
-     internal_function;
-
-/* Release the entry for the request.  */
-extern void __aio_free_request (struct requestlist *req) internal_function;
-
-/* Notify initiator of request and tell this everybody listening.  */
-extern void __aio_notify (struct requestlist *req) internal_function;
-
-/* Notify initiator of request.  */
-extern int __aio_notify_only (struct sigevent *sigev, pid_t caller_pid)
-     internal_function;
-
-/* Send the signal.  */
-extern int __aio_sigqueue (int sig, const union sigval val, pid_t caller_pid)
-     internal_function;
-
-#endif /* aio_misc.h */
diff --git a/rt/aio_notify.c b/rt/aio_notify.c
deleted file mode 100644
index 9b17750d03..0000000000
--- a/rt/aio_notify.c
+++ /dev/null
@@ -1,119 +0,0 @@
-/* Notify initiator of AIO request.
-   Copyright (C) 1997,98,99,2000,01 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Library General Public License as
-   published by the Free Software Foundation; either version 2 of the
-   License, or (at your option) any later version.
-
-   The GNU C Library 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
-   Library General Public License for more details.
-
-   You should have received a copy of the GNU Library General Public
-   License along with the GNU C Library; see the file COPYING.LIB.  If not,
-   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-   Boston, MA 02111-1307, USA.  */
-
-#include <errno.h>
-#include <pthread.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include "aio_misc.h"
-
-
-static void *
-notify_func_wrapper (void *arg)
-{
-  struct sigevent *sigev = arg;
-  sigev->sigev_notify_function (sigev->sigev_value);
-  return NULL;
-}
-
-
-int
-internal_function
-__aio_notify_only (struct sigevent *sigev, pid_t caller_pid)
-{
-  int result = 0;
-
-  /* Send the signal to notify about finished processing of the request.  */
-  if (sigev->sigev_notify == SIGEV_THREAD)
-    {
-      /* We have to start a thread.  */
-      pthread_t tid;
-      pthread_attr_t attr, *pattr;
-
-      pattr = (pthread_attr_t *) sigev->sigev_notify_attributes;
-      if (pattr == NULL)
-	{
-	  pthread_attr_init (&attr);
-	  pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED);
-	  pattr = &attr;
-	}
-
-      if (pthread_create (&tid, pattr, notify_func_wrapper, sigev) < 0)
-	result = -1;
-    }
-  else if (sigev->sigev_notify == SIGEV_SIGNAL)
-    {
-      /* We have to send a signal.  */
-#if _POSIX_REALTIME_SIGNALS
-      /* Note that the standard gives us the option of using a plain
-	 non-queuing signal here when SA_SIGINFO is not set for the signal.  */
-      if (__aio_sigqueue (sigev->sigev_signo, sigev->sigev_value, caller_pid)
-	  < 0)
-	result = -1;
-#else
-      /* There are no queued signals on this system at all.  */
-      result = raise (sigev->sigev_signo);
-#endif
-    }
-
-  return result;
-}
-
-
-void
-internal_function
-__aio_notify (struct requestlist *req)
-{
-  struct waitlist *waitlist;
-  struct aiocb *aiocbp = &req->aiocbp->aiocb;
-
-  if (__aio_notify_only (&aiocbp->aio_sigevent, req->caller_pid) != 0)
-    {
-      /* XXX What shall we do if already an error is set by
-	 read/write/fsync?  */
-      aiocbp->__error_code = errno;
-      aiocbp->__return_value = -1;
-    }
-
-  /* Now also notify possibly waiting threads.  */
-  waitlist = req->waiting;
-  while (waitlist != NULL)
-    {
-      struct waitlist *next = waitlist->next;
-
-      /* Decrement the counter.  This is used in both cases.  */
-      --*waitlist->counterp;
-
-      if (waitlist->sigevp == NULL)
-	pthread_cond_signal (waitlist->cond);
-      else
-	/* This is part of a asynchronous `lio_listio' operation.  If
-	   this request is the last one, send the signal.  */
-	if (*waitlist->counterp == 0)
-	  {
-	    __aio_notify_only (waitlist->sigevp, waitlist->caller_pid);
-	    /* This is tricky.  See lio_listio.c for the reason why
-	       this works.  */
-	    free ((void *) waitlist->counterp);
-	  }
-
-      waitlist = next;
-    }
-}
diff --git a/rt/aio_read.c b/rt/aio_read.c
deleted file mode 100644
index 4b5d404190..0000000000
--- a/rt/aio_read.c
+++ /dev/null
@@ -1,32 +0,0 @@
-/* Asynchronous read.
-   Copyright (C) 1997, 1999 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Library General Public License as
-   published by the Free Software Foundation; either version 2 of the
-   License, or (at your option) any later version.
-
-   The GNU C Library 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
-   Library General Public License for more details.
-
-   You should have received a copy of the GNU Library General Public
-   License along with the GNU C Library; see the file COPYING.LIB.  If not,
-   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-   Boston, MA 02111-1307, USA.  */
-
-#include <aio.h>
-
-#include "aio_misc.h"
-
-
-int
-aio_read (aiocbp)
-     struct aiocb *aiocbp;
-{
-  return (__aio_enqueue_request ((aiocb_union *) aiocbp, LIO_READ) == NULL
-	  ? -1 : 0);
-}
diff --git a/rt/aio_read64.c b/rt/aio_read64.c
deleted file mode 100644
index 0006ad6303..0000000000
--- a/rt/aio_read64.c
+++ /dev/null
@@ -1,32 +0,0 @@
-/* Asynchronous read, 64bit offset version.
-   Copyright (C) 1997, 1999 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Library General Public License as
-   published by the Free Software Foundation; either version 2 of the
-   License, or (at your option) any later version.
-
-   The GNU C Library 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
-   Library General Public License for more details.
-
-   You should have received a copy of the GNU Library General Public
-   License along with the GNU C Library; see the file COPYING.LIB.  If not,
-   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-   Boston, MA 02111-1307, USA.  */
-
-#include <aio.h>
-
-#include "aio_misc.h"
-
-
-int
-aio_read64 (aiocbp)
-     struct aiocb64 *aiocbp;
-{
-  return (__aio_enqueue_request ((aiocb_union *) aiocbp, LIO_READ64) == NULL
-	  ? -1 : 0);
-}
diff --git a/rt/aio_suspend.c b/rt/aio_suspend.c
deleted file mode 100644
index 5ac2d23ffb..0000000000
--- a/rt/aio_suspend.c
+++ /dev/null
@@ -1,151 +0,0 @@
-/* Suspend until termination of a requests.
-   Copyright (C) 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Library General Public License as
-   published by the Free Software Foundation; either version 2 of the
-   License, or (at your option) any later version.
-
-   The GNU C Library 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
-   Library General Public License for more details.
-
-   You should have received a copy of the GNU Library General Public
-   License along with the GNU C Library; see the file COPYING.LIB.  If not,
-   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-   Boston, MA 02111-1307, USA.  */
-
-
-/* We use an UGLY hack to prevent gcc from finding us cheating.  The
-   implementations of aio_suspend and aio_suspend64 are identical and so
-   we want to avoid code duplication by using aliases.  But gcc sees
-   the different parameter lists and prints a warning.  We define here
-   a function so that aio_suspend64 has no prototype.  */
-#define aio_suspend64 XXX
-#include <aio.h>
-/* And undo the hack.  */
-#undef aio_suspend64
-
-#include <errno.h>
-#include <stdlib.h>
-#include <sys/time.h>
-
-#include "aio_misc.h"
-
-
-int
-aio_suspend (list, nent, timeout)
-     const struct aiocb *const list[];
-     int nent;
-     const struct timespec *timeout;
-{
-  struct waitlist waitlist[nent];
-  struct requestlist *requestlist[nent];
-  pthread_cond_t cond = PTHREAD_COND_INITIALIZER;
-  int cnt;
-  int result = 0;
-  int dummy;
-  int none = 1;
-
-  /* Request the mutex.  */
-  pthread_mutex_lock (&__aio_requests_mutex);
-
-  /* There is not yet a finished request.  Signal the request that
-     we are working for it.  */
-  for (cnt = 0; cnt < nent; ++cnt)
-    if (list[cnt] != NULL && list[cnt]->__error_code == EINPROGRESS)
-      {
-	requestlist[cnt] = __aio_find_req ((aiocb_union *) list[cnt]);
-
-	if (requestlist[cnt] != NULL)
-	  {
-	    waitlist[cnt].cond = &cond;
-	    waitlist[cnt].next = requestlist[cnt]->waiting;
-	    waitlist[cnt].counterp = &dummy;
-	    waitlist[cnt].sigevp = NULL;
-	    waitlist[cnt].caller_pid = 0;	/* Not needed.  */
-	    requestlist[cnt]->waiting = &waitlist[cnt];
-	    none = 0;
-	  }
-      }
-
-  /* If there is a not finished request wait for it.  */
-  if (!none)
-    {
-      int oldstate;
-
-      /* Since `pthread_cond_wait'/`pthread_cond_timedwait' are cancelation
-	 points we must be careful.  We added entries to the waiting lists
-	 which we must remove.  So defer cancelation for now.  */
-      pthread_setcancelstate (PTHREAD_CANCEL_DISABLE, &oldstate);
-
-      if (timeout == NULL)
-	result = pthread_cond_wait (&cond, &__aio_requests_mutex);
-      else
-	{
-	  /* We have to convert the relative timeout value into an
-	     absolute time value with pthread_cond_timedwait expects.  */
-	  struct timeval now;
-	  struct timespec abstime;
-
-	  __gettimeofday (&now, NULL);
-	  abstime.tv_nsec = timeout->tv_nsec + now.tv_usec * 1000;
-	  abstime.tv_sec = timeout->tv_sec + now.tv_sec;
-	  if (abstime.tv_nsec >= 1000000000)
-	    {
-	      abstime.tv_nsec -= 1000000000;
-	      abstime.tv_sec += 1;
-	    }
-
-	  result = pthread_cond_timedwait (&cond, &__aio_requests_mutex,
-					   &abstime);
-	}
-
-      /* Now remove the entry in the waiting list for all requests
-	 which didn't terminate.  */
-      for (cnt = 0; cnt < nent; ++cnt)
-	if (list[cnt] != NULL && list[cnt]->__error_code == EINPROGRESS
-	    && requestlist[cnt] != NULL)
-	  {
-	    struct waitlist **listp = &requestlist[cnt]->waiting;
-
-	    /* There is the chance that we cannot find our entry anymore.
-	       This could happen if the request terminated and restarted
-	       again.  */
-	    while (*listp != NULL && *listp != &waitlist[cnt])
-	      listp = &(*listp)->next;
-
-	    if (*listp != NULL)
-	      *listp = (*listp)->next;
-	  }
-
-      /* Now it's time to restore the cancelation state.  */
-      pthread_setcancelstate (oldstate, NULL);
-
-      /* Release the conditional variable.  */
-      if (pthread_cond_destroy (&cond) != 0)
-	/* This must never happen.  */
-	abort ();
-
-      if (result != 0)
-	{
-	  /* An error occurred.  Possibly it's EINTR.  We have to translate
-	     the timeout error report of `pthread_cond_timedwait' to the
-	     form expected from `aio_suspend'.  */
-	  if (result == ETIMEDOUT)
-	    __set_errno (EAGAIN);
-
-	  result = -1;
-	}
-    }
-
-  /* Release the mutex.  */
-  pthread_mutex_unlock (&__aio_requests_mutex);
-
-  return result;
-}
-
-weak_alias (aio_suspend, aio_suspend64)
diff --git a/rt/aio_write.c b/rt/aio_write.c
deleted file mode 100644
index 77ad0a685b..0000000000
--- a/rt/aio_write.c
+++ /dev/null
@@ -1,32 +0,0 @@
-/* Asynchronous write.
-   Copyright (C) 1997, 1999 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Library General Public License as
-   published by the Free Software Foundation; either version 2 of the
-   License, or (at your option) any later version.
-
-   The GNU C Library 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
-   Library General Public License for more details.
-
-   You should have received a copy of the GNU Library General Public
-   License along with the GNU C Library; see the file COPYING.LIB.  If not,
-   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-   Boston, MA 02111-1307, USA.  */
-
-#include <aio.h>
-
-#include "aio_misc.h"
-
-
-int
-aio_write (aiocbp)
-     struct aiocb *aiocbp;
-{
-  return (__aio_enqueue_request ((aiocb_union *) aiocbp, LIO_WRITE) == NULL
-	  ? -1 : 0);
-}
diff --git a/rt/aio_write64.c b/rt/aio_write64.c
deleted file mode 100644
index bc95e50b49..0000000000
--- a/rt/aio_write64.c
+++ /dev/null
@@ -1,32 +0,0 @@
-/* Asynchronous write, 64bit offset version.
-   Copyright (C) 1997, 1999 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Library General Public License as
-   published by the Free Software Foundation; either version 2 of the
-   License, or (at your option) any later version.
-
-   The GNU C Library 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
-   Library General Public License for more details.
-
-   You should have received a copy of the GNU Library General Public
-   License along with the GNU C Library; see the file COPYING.LIB.  If not,
-   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-   Boston, MA 02111-1307, USA.  */
-
-#include <aio.h>
-
-#include "aio_misc.h"
-
-
-int
-aio_write64 (aiocbp)
-     struct aiocb64 *aiocbp;
-{
-  return (__aio_enqueue_request ((aiocb_union *) aiocbp, LIO_WRITE64) == NULL
-	  ? -1 : 0);
-}
diff --git a/rt/lio_listio.c b/rt/lio_listio.c
deleted file mode 100644
index e1df603fd8..0000000000
--- a/rt/lio_listio.c
+++ /dev/null
@@ -1,187 +0,0 @@
-/* Enqueue and list of read or write requests.
-   Copyright (C) 1997, 1998, 1999, 2000, 2001 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Library General Public License as
-   published by the Free Software Foundation; either version 2 of the
-   License, or (at your option) any later version.
-
-   The GNU C Library 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
-   Library General Public License for more details.
-
-   You should have received a copy of the GNU Library General Public
-   License along with the GNU C Library; see the file COPYING.LIB.  If not,
-   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-   Boston, MA 02111-1307, USA.  */
-
-#include <aio.h>
-#include <assert.h>
-#include <errno.h>
-#include <stdlib.h>
-#include <unistd.h>
-
-#include "aio_misc.h"
-
-
-/* We need this special structure to handle asynchronous I/O.  */
-struct async_waitlist
-  {
-    int counter;
-    struct sigevent sigev;
-    struct waitlist list[0];
-  };
-
-
-int
-lio_listio (mode, list, nent, sig)
-     int mode;
-     struct aiocb *const list[];
-     int nent;
-     struct sigevent *sig;
-{
-  struct sigevent defsigev;
-  struct requestlist *requests[nent];
-  int cnt;
-  volatile int total = 0;
-  int result = 0;
-
-  /* Check arguments.  */
-  if (mode != LIO_WAIT && mode != LIO_NOWAIT)
-    {
-      __set_errno (EINVAL);
-      return -1;
-    }
-
-  if (sig == NULL)
-    {
-      defsigev.sigev_notify = SIGEV_NONE;
-      sig = &defsigev;
-    }
-
-  /* Request the mutex.  */
-  pthread_mutex_lock (&__aio_requests_mutex);
-
-  /* Now we can enqueue all requests.  Since we already acquired the
-     mutex the enqueue function need not do this.  */
-  for (cnt = 0; cnt < nent; ++cnt)
-    if (list[cnt] != NULL && list[cnt]->aio_lio_opcode != LIO_NOP)
-      {
-	list[cnt]->aio_sigevent.sigev_notify = SIGEV_NONE;
-	requests[cnt] = __aio_enqueue_request ((aiocb_union *) list[cnt],
-					       list[cnt]->aio_lio_opcode);
-
-	if (requests[cnt] != NULL)
-	  /* Successfully enqueued.  */
-	  ++total;
-	else
-	  /* Signal that we've seen an error.  `errno' and the error code
-	     of the aiocb will tell more.  */
-	  result = -1;
-      }
-    else
-      requests[cnt] = NULL;
-
-  if (total == 0)
-    {
-      /* We don't have anything to do except signalling if we work
-	 asynchronously.  */
-
-      /* Release the mutex.  We do this before raising a signal since the
-	 signal handler might do a `siglongjmp' and then the mutex is
-	 locked forever.  */
-      pthread_mutex_unlock (&__aio_requests_mutex);
-
-      if (mode == LIO_NOWAIT)
-	__aio_notify_only (sig,
-			   sig->sigev_notify == SIGEV_SIGNAL ? getpid () : 0);
-
-      return result;
-    }
-  else if (mode == LIO_WAIT)
-    {
-      pthread_cond_t cond = PTHREAD_COND_INITIALIZER;
-      struct waitlist waitlist[nent];
-      int oldstate;
-
-      total = 0;
-      for (cnt = 0; cnt < nent; ++cnt)
-	{
-	  assert (requests[cnt] == NULL || list[cnt] != NULL);
-
-	  if (requests[cnt] != NULL && list[cnt]->aio_lio_opcode != LIO_NOP)
-	    {
-	      waitlist[cnt].cond = &cond;
-	      waitlist[cnt].next = requests[cnt]->waiting;
-	      waitlist[cnt].counterp = &total;
-	      waitlist[cnt].sigevp = NULL;
-	      waitlist[cnt].caller_pid = 0;	/* Not needed.  */
-	      requests[cnt]->waiting = &waitlist[cnt];
-	      ++total;
-	    }
-	}
-
-      /* Since `pthread_cond_wait'/`pthread_cond_timedwait' are cancelation
-	 points we must be careful.  We added entries to the waiting lists
-	 which we must remove.  So defer cancelation for now.  */
-      pthread_setcancelstate (PTHREAD_CANCEL_DISABLE, &oldstate);
-
-      while (total > 0)
-	pthread_cond_wait (&cond, &__aio_requests_mutex);
-
-      /* Now it's time to restore the cancelation state.  */
-      pthread_setcancelstate (oldstate, NULL);
-
-      /* Release the conditional variable.  */
-      if (pthread_cond_destroy (&cond) != 0)
-	/* This must never happen.  */
-	abort ();
-    }
-  else
-    {
-      struct async_waitlist *waitlist;
-
-      waitlist = (struct async_waitlist *)
-	malloc (sizeof (struct async_waitlist)
-		+ (nent * sizeof (struct waitlist)));
-
-      if (waitlist == NULL)
-	{
-	  __set_errno (EAGAIN);
-	  result = -1;
-	}
-      else
-	{
-	  pid_t caller_pid = sig->sigev_notify == SIGEV_SIGNAL ? getpid () : 0;
-	  total = 0;
-
-	  for (cnt = 0; cnt < nent; ++cnt)
-	    {
-	      assert (requests[cnt] == NULL || list[cnt] != NULL);
-
-	      if (requests[cnt] != NULL
-		  && list[cnt]->aio_lio_opcode != LIO_NOP)
-		{
-		  waitlist->list[cnt].cond = NULL;
-		  waitlist->list[cnt].next = requests[cnt]->waiting;
-		  waitlist->list[cnt].counterp = &waitlist->counter;
-		  waitlist->list[cnt].sigevp = &waitlist->sigev;
-		  waitlist->list[cnt].caller_pid = caller_pid;
-		  requests[cnt]->waiting = &waitlist->list[cnt];
-		  ++total;
-		}
-	    }
-
-	  waitlist->counter = total;
-	  waitlist->sigev = *sig;
-	}
-    }
-
-  /* Release the mutex.  */
-  pthread_mutex_unlock (&__aio_requests_mutex);
-
-  return result;
-}
diff --git a/rt/lio_listio64.c b/rt/lio_listio64.c
deleted file mode 100644
index 5df2596c0f..0000000000
--- a/rt/lio_listio64.c
+++ /dev/null
@@ -1,169 +0,0 @@
-/* Enqueue and list of read or write requests, 64bit offset version.
-   Copyright (C) 1997, 1998, 1999 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Library General Public License as
-   published by the Free Software Foundation; either version 2 of the
-   License, or (at your option) any later version.
-
-   The GNU C Library 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
-   Library General Public License for more details.
-
-   You should have received a copy of the GNU Library General Public
-   License along with the GNU C Library; see the file COPYING.LIB.  If not,
-   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-   Boston, MA 02111-1307, USA.  */
-
-#include <aio.h>
-#include <errno.h>
-#include <stdlib.h>
-#include <unistd.h>
-
-#include "aio_misc.h"
-
-
-/* We need this special structure to handle asynchronous I/O.  */
-struct async_waitlist
-  {
-    int counter;
-    struct sigevent sigev;
-    struct waitlist list[0];
-  };
-
-
-int
-lio_listio64 (mode, list, nent, sig)
-     int mode;
-     struct aiocb64 *const list[];
-     int nent;
-     struct sigevent *sig;
-{
-  struct requestlist *requests[nent];
-  int cnt;
-  volatile int total = 0;
-  int result = 0;
-
-  /* Check arguments.  */
-  if (mode != LIO_WAIT && mode != LIO_NOWAIT)
-    {
-      __set_errno (EINVAL);
-      return -1;
-    }
-
-  /* Request the mutex.  */
-  pthread_mutex_lock (&__aio_requests_mutex);
-
-  /* Now we can enqueue all requests.  Since we already acquired the
-     mutex the enqueue function need not do this.  */
-  for (cnt = 0; cnt < nent; ++cnt)
-    if (list[cnt] != NULL && list[cnt]->aio_lio_opcode != LIO_NOP)
-      {
-	requests[cnt] = __aio_enqueue_request ((aiocb_union *) list[cnt],
-					       (list[cnt]->aio_lio_opcode
-						| 128));
-	if (requests[cnt] != NULL)
-	  /* Successfully enqueued.  */
-	  ++total;
-	else
-	  /* Signal that we've seen an error.  `errno' and the error code
-	     of the aiocb will tell more.  */
-	  result = -1;
-      }
-
-  if (total == 0)
-    {
-      /* We don't have anything to do except signalling if we work
-	 asynchronously.  */
-
-      /* Release the mutex.  We do this before raising a signal since the
-	 signal handler might do a `siglongjmp' and then the mutex is
-	 locked forever.  */
-      pthread_mutex_unlock (&__aio_requests_mutex);
-
-      if (mode == LIO_NOWAIT)
-	__aio_notify_only (sig,
-			   sig->sigev_notify == SIGEV_SIGNAL ? getpid () : 0);
-
-      return result;
-    }
-  else if (mode == LIO_WAIT)
-    {
-      pthread_cond_t cond = PTHREAD_COND_INITIALIZER;
-      struct waitlist waitlist[nent];
-      int oldstate;
-
-      total = 0;
-      for (cnt = 0; cnt < nent; ++cnt)
-	if (list[cnt] != NULL && list[cnt]->aio_lio_opcode != LIO_NOP
-	    && requests[cnt] != NULL)
-	  {
-	    waitlist[cnt].cond = &cond;
-	    waitlist[cnt].next = requests[cnt]->waiting;
-	    waitlist[cnt].counterp = &total;
-	    waitlist[cnt].sigevp = NULL;
-	    waitlist[cnt].caller_pid = 0;	/* Not needed.  */
-	    requests[cnt]->waiting = &waitlist[cnt];
-	    ++total;
-	  }
-
-      /* Since `pthread_cond_wait'/`pthread_cond_timedwait' are cancelation
-	 points we must be careful.  We added entries to the waiting lists
-	 which we must remove.  So defer cancelation for now.  */
-      pthread_setcancelstate (PTHREAD_CANCEL_DISABLE, &oldstate);
-
-      while (total > 0)
-	pthread_cond_wait (&cond, &__aio_requests_mutex);
-
-      /* Now it's time to restore the cancelation state.  */
-      pthread_setcancelstate (oldstate, NULL);
-
-      /* Release the conditional variable.  */
-      if (pthread_cond_destroy (&cond) != 0)
-	/* This must never happen.  */
-	abort ();
-    }
-  else
-    {
-      struct async_waitlist *waitlist;
-
-      waitlist = (struct async_waitlist *)
-	malloc (sizeof (struct async_waitlist)
-		+ (nent * sizeof (struct waitlist)));
-
-      if (waitlist == NULL)
-	{
-	  __set_errno (EAGAIN);
-	  result = -1;
-	}
-      else
-	{
-	  pid_t caller_pid = sig->sigev_notify == SIGEV_SIGNAL ? getpid () : 0;
-	  total = 0;
-
-	  for (cnt = 0; cnt < nent; ++cnt)
-	    if (list[cnt] != NULL && list[cnt]->aio_lio_opcode != LIO_NOP
-		&& requests[cnt] != NULL)
-	      {
-		waitlist->list[cnt].cond = NULL;
-		waitlist->list[cnt].next = requests[cnt]->waiting;
-		waitlist->list[cnt].counterp = &waitlist->counter;
-		waitlist->list[cnt].sigevp = &waitlist->sigev;
-		waitlist->list[cnt].caller_pid = caller_pid;
-		requests[cnt]->waiting = &waitlist->list[cnt];
-		++total;
-	      }
-
-	  waitlist->counter = total;
-	  waitlist->sigev = *sig;
-	}
-    }
-
-  /* Release the mutex.  */
-  pthread_mutex_unlock (&__aio_requests_mutex);
-
-  return result;
-}