GNU C Library master sources branch master updated. glibc-2.26.9000-1194-g84814e2

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- Log -----------------------------------------------------------------
http://sourceware.org/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=84814e2a40fc220afcc111a91bd16b6f8f57786a

commit 84814e2a40fc220afcc111a91bd16b6f8f57786a
Author: Thomas Schwinge <thomas@schwinge.name>
Date:   Sun Jan 28 16:53:32 2018 +0100

    hurd: Add missing fcntl-internal.h
    
    	* hurd/fcntl-internal.h: New file.

diff --git a/ChangeLog b/ChangeLog
index 49bdd47..434fef7 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -52,6 +52,10 @@
 	* sysdeps/mach/hurd/check_native.c: New file.
 	* sysdeps/mach/hurd/check_pf.c: New file.
 
+2008-12-18  Thomas Schwinge  <tschwinge@gnu.org>
+
+	* hurd/fcntl-internal.h: New file.
+
 2018-01-27  James Clarke  <jrtc27@jrtc27.com>
 
 	* sysdeps/hppa/fpu/libm-test-ulps: Update.
diff --git a/hurd/fcntl-internal.h b/hurd/fcntl-internal.h
new file mode 100644
index 0000000..d795e40
--- /dev/null
+++ b/hurd/fcntl-internal.h
@@ -0,0 +1,62 @@
+/* Helper functions for translating between O_* and SOCK_* flags.
+   Copyright (C) 2008-2018 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/>.  */
+
+
+#include <fcntl.h>
+#include <sys/socket.h>
+
+/* Do some compile-time checks for the SOCK_* constants, which we rely on.  */
+_Static_assert (SOCK_CLOEXEC == O_CLOEXEC,
+    "SOCK_CLOEXEC is assumed to be the same as O_CLOEXEC");
+_Static_assert (((SOCK_MAX - 1) | SOCK_TYPE_MASK) == SOCK_TYPE_MASK,
+    "SOCK_TYPE_MASK must contain SOCK_MAX - 1");
+_Static_assert ((SOCK_CLOEXEC & SOCK_TYPE_MASK) == 0,
+    "SOCK_TYPE_MASK must not contain SOCK_CLOEXEC");
+_Static_assert ((SOCK_NONBLOCK & SOCK_TYPE_MASK) == 0,
+    "SOCK_TYPE_MASK must not contain SOCK_NONBLOCK");
+
+
+/* Convert from SOCK_* flags to O_* flags.  */
+__extern_always_inline
+int
+sock_to_o_flags (int in)
+{
+  int out = 0;
+
+  if (in & SOCK_NONBLOCK)
+    out |= O_NONBLOCK;
+  /* Others are passed through unfiltered.  */
+  out |= in & ~(SOCK_NONBLOCK);
+
+  return out;
+}
+
+/* Convert from O_* flags to SOCK_* flags.  */
+__extern_always_inline
+int
+o_to_sock_flags (int in)
+{
+  int out = 0;
+
+  if (in & O_NONBLOCK)
+    out |= SOCK_NONBLOCK;
+  /* Others are passed through unfiltered.  */
+  out |= in & ~(O_NONBLOCK);
+
+  return out;
+}

-----------------------------------------------------------------------

Summary of changes:
 ChangeLog             |    4 +++
 hurd/fcntl-internal.h |   62 +++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 66 insertions(+), 0 deletions(-)
 create mode 100644 hurd/fcntl-internal.h


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