1 files changed, 35 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/not-errno.h b/sysdeps/unix/sysv/linux/not-errno.h
new file mode 100644
index 0000000000..65f93f331d
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/not-errno.h
@@ -0,0 +1,35 @@
+/* Syscall wrapper that do not set errno.  Linux version.
+   Copyright (C) 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/>.  */
+
+/* This function is used on maybe_enable_malloc_check (elf/dl-tunables.c)
+   and to avoid having to build/use multiple versions if stack protection
+   in enabled it is defined as inline.  */
+static inline int
+__access_noerrno (const char *pathname, int mode)
+{
+  int res;
+  INTERNAL_SYSCALL_DECL (err);
+#ifdef __NR_access
+  res = INTERNAL_SYSCALL_CALL (access, err, pathname, mode);
+#else
+  res = INTERNAL_SYSCALL_CALL (faccessat, err, AT_FDCWD, pathname, mode);
+#endif
+  if (INTERNAL_SYSCALL_ERROR_P (res, err))
+    return INTERNAL_SYSCALL_ERRNO (res, err);
+  return 0;
+}