Update.

2003-07-23  Jakub Jelinek  <jakub@redhat.com>

	* sysdeps/pthread/lio_listio.c (LIO_OPCODE_BASE): Define.
	(lio_listio): Use it.
	* sysdeps/pthread/lio_listio64.c: Include lio_listio.c instead of
	after few defines to avoid duplication.

2 files changed, 11 insertions, 151 deletions

diff --git a/sysdeps/pthread/lio_listio.c b/sysdeps/pthread/lio_listio.c
index 9540566..0ea3d92 100644
--- a/sysdeps/pthread/lio_listio.c
+++ b/sysdeps/pthread/lio_listio.c
@@ -1,5 +1,5 @@
 /* Enqueue and list of read or write requests.
-   Copyright (C) 1997, 1998, 1999, 2000, 2001 Free Software Foundation, Inc.
+   Copyright (C) 1997,1998,1999,2000,2001,2003 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
 
@@ -18,6 +18,7 @@
    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
    02111-1307 USA.  */
 
+#ifndef lio_listio
 #include <aio.h>
 #include <assert.h>
 #include <errno.h>
@@ -26,6 +27,8 @@
 
 #include "aio_misc.h"
 
+#define LIO_OPCODE_BASE 0
+#endif
 
 /* We need this special structure to handle asynchronous I/O.  */
 struct async_waitlist
@@ -72,7 +75,8 @@ lio_listio (mode, list, nent, sig)
       {
 	list[cnt]->aio_sigevent.sigev_notify = SIGEV_NONE;
 	requests[cnt] = __aio_enqueue_request ((aiocb_union *) list[cnt],
-					       list[cnt]->aio_lio_opcode);
+					       (list[cnt]->aio_lio_opcode
+					        | LIO_OPCODE_BASE));
 
 	if (requests[cnt] != NULL)
 	  /* Successfully enqueued.  */
diff --git a/sysdeps/pthread/lio_listio64.c b/sysdeps/pthread/lio_listio64.c
index 165ce05..fee1e59 100644
--- a/sysdeps/pthread/lio_listio64.c
+++ b/sysdeps/pthread/lio_listio64.c
@@ -19,158 +19,14 @@
    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_listio64 (mode, list, nent, sig)
-     int mode;
-     struct aiocb64 *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)
-      {
-	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;
-}
+#define lio_listio lio_listio64
+#define aiocb aiocb64
+#define LIO_OPCODE_BASE 128
+#include <lio_listio.c>