1 files changed, 68 insertions, 0 deletions
diff --git a/rt/lio_listio.c b/rt/lio_listio.c
new file mode 100644
index 0000000000..73df5c2f5c
--- /dev/null
+++ b/rt/lio_listio.c
@@ -0,0 +1,68 @@
+/* Enqueue and list of read or write requests.
+   Copyright (C) 1997 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 <semaphore.h>
+
+#include "aio_misc.h"
+
+
+int
+lio_listio (mode, list, nent, sig)
+     int mode;
+     struct aiocb *const list[];
+     int nent;
+     struct sigevent *sig;
+{
+  int cnt;
+  int total = 0;
+  int result = 0;
+
+  /* Check arguments.  */
+  if (mode != LIO_WAIT && mode != LIO_NOWAIT)
+    {
+      __set_errno (EINVAL);
+      return -1;
+    }
+
+  /* Request the semaphore.  */
+  sem_wait (&__aio_requests_sema);
+
+  /* Now we can enqueue all requests.  Since we already acquired the
+     semaphore the enqueue function need not do this.  */
+  for (cnt = 0; cnt < nent; ++cnt)
+    if (list[cnt] != NULL && list[cnt]->aio_lio_opcode != LIO_NOP)
+      if (__aio_enqueue_request ((aiocb_union *) list[cnt],
+				 list[cnt]->aio_lio_opcode, 0) >= 0)
+	/* Successfully enqueued.  */
+	++total;
+      else
+	/* Signal that we've seen an error.  `errno' and the error code
+	   of the aiocb will tell more.  */
+	result = -1;
+
+
+
+  /* Release the semaphore.  */
+  sem_post (&__aio_requests_sema);
+
+  return result;
+}