about summary refs log tree commit diff
path: root/sysdeps/mach/hurd/bits/unistd_ext.h
diff options
context:
space:
mode:
Diffstat (limited to 'sysdeps/mach/hurd/bits/unistd_ext.h')
-rw-r--r--sysdeps/mach/hurd/bits/unistd_ext.h34
1 files changed, 34 insertions, 0 deletions
diff --git a/sysdeps/mach/hurd/bits/unistd_ext.h b/sysdeps/mach/hurd/bits/unistd_ext.h
new file mode 100644
index 0000000000..288f504a3c
--- /dev/null
+++ b/sysdeps/mach/hurd/bits/unistd_ext.h
@@ -0,0 +1,34 @@
+/* System-specific extensions of <unistd.h>, Hurd version.
+   Copyright (C) 2019-2021 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
+   <https://www.gnu.org/licenses/>.  */
+
+#ifndef _UNISTD_H
+# error "Never include <bits/unistd_ext.h> directly; use <unistd.h> instead."
+#endif
+
+#ifdef __USE_GNU
+
+/* Set the FD_CLOEXEC bit instead of closing the file descriptor.  */
+#define CLOSE_RANGE_CLOEXEC (1U << 2)
+
+/* Close the file descriptors from FIRST up to LAST, inclusive.
+   If CLOSE_RANGE_CLOEXEC is set in FLAGS, set the FD_CLOEXEC flag
+   instead of closing.  */
+extern int close_range (unsigned int __first, unsigned int __last,
+			int __flags) __THROW;
+
+#endif /* __USE_GNU  */