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Diffstat (limited to 'REORG.TODO/sysdeps/unix/sysv/linux/preadv.c')
-rw-r--r--REORG.TODO/sysdeps/unix/sysv/linux/preadv.c55
1 files changed, 55 insertions, 0 deletions
diff --git a/REORG.TODO/sysdeps/unix/sysv/linux/preadv.c b/REORG.TODO/sysdeps/unix/sysv/linux/preadv.c
new file mode 100644
index 0000000000..ecabc8c9c6
--- /dev/null
+++ b/REORG.TODO/sysdeps/unix/sysv/linux/preadv.c
@@ -0,0 +1,55 @@
+/* Copyright (C) 2009-2017 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 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, see
+   <http://www.gnu.org/licenses/>.  */
+
+#include <sys/uio.h>
+#include <sysdep-cancel.h>
+
+#ifndef __OFF_T_MATCHES_OFF64_T
+
+# ifdef __ASSUME_PREADV
+
+#  ifndef __NR_preadv
+#   define __NR_preadv __NR_preadv64
+#  endif
+
+ssize_t
+preadv (int fd, const struct iovec *vector, int count, off_t offset)
+{
+  return SYSCALL_CANCEL (preadv, fd, vector, count, LO_HI_LONG (offset));
+}
+# else
+static ssize_t __atomic_preadv_replacement (int, const struct iovec *,
+					    int, off_t) internal_function;
+ssize_t
+preadv (int fd, const struct iovec *vector, int count, off_t offset)
+{
+#  ifdef __NR_preadv
+  ssize_t result = SYSCALL_CANCEL (preadv, fd, vector, count,
+				   LO_HI_LONG (offset));
+  if (result >= 0 || errno != ENOSYS)
+    return result;
+#  endif
+  return __atomic_preadv_replacement (fd, vector, count, offset);
+}
+#  define PREADV static internal_function __atomic_preadv_replacement
+#  define PREAD __pread
+#  define OFF_T off_t
+#  include <sysdeps/posix/preadv_common.c>
+# endif /* __ASSUME_PREADV  */
+
+libc_hidden_def (preadv)
+#endif