1 files changed, 58 insertions, 0 deletions
diff --git a/nptl/pt-readv.c b/nptl/pt-readv.c
new file mode 100644
index 0000000000..9f6e653d4f
--- /dev/null
+++ b/nptl/pt-readv.c
@@ -0,0 +1,58 @@
+/* Copyright (C) 2002 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <errno.h>
+#include <stdlib.h>
+#include <sysdep.h>
+#include <sys/uio.h>
+#include "pthreadP.h"
+
+
+/* Not all versions of the kernel support the large number of records.  */
+#ifndef UIO_FASTIOV
+# define UIO_FASTIOV	8	/* 8 is a safe number.  */
+#endif
+
+
+ssize_t
+readv (fd, vector, count)
+     int fd;
+     const struct iovec *vector;
+     int count;
+{
+  int oldtype;
+  ssize_t result;
+
+  CANCEL_ASYNC (oldtype);
+
+#ifdef INTERNAL_SYSCALL
+  result = INTERNAL_SYSCALL (readv, 3, fd, vector, count);
+  if (INTERNAL_SYSCALL_ERROR_P (result)
+      && __builtin_expect (count > UIO_FASTIOV, 0))
+#elif defined INLINE_SYSCALL
+  result = INLINE_SYSCALL (readv, 3, fd, vector, count);
+  if (result < 0 && errno == EINVAL
+      && __builtin_expect (count > UIO_FASTIOV, 0))
+#endif
+    result = __libc_readv (fd, vector, count);
+
+  CANCEL_RESET (oldtype);
+
+  return result;
+}