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authorFlorian Weimer <fweimer@redhat.com>2017-11-24 17:55:59 +0100
committerFlorian Weimer <fweimer@redhat.com>2017-11-24 17:55:59 +0100
commit7911dd47da73026acc930564c10a1ceeb68d8583 (patch)
tree7fe8f10770a8a70ba672694c2bd5ca6da62be785 /sysdeps/unix/sysv/linux/bits
parentc45d78aac47db08bc8ea7641c5330cccaecd3ddb (diff)
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Linux: Introduce <bits/mman-shared.h>
This header file enables sharing of portable declarations and definitions across all Linux architectures, including hppa (which does not use <bits/mman-linux.h>). Reviewed-by: Carlos O'Donell <carlos@redhat.com>
Diffstat (limited to 'sysdeps/unix/sysv/linux/bits')
-rw-r--r--sysdeps/unix/sysv/linux/bits/mman-linux.h16
-rw-r--r--sysdeps/unix/sysv/linux/bits/mman-shared.h39
2 files changed, 40 insertions, 15 deletions
diff --git a/sysdeps/unix/sysv/linux/bits/mman-linux.h b/sysdeps/unix/sysv/linux/bits/mman-linux.h
index 1ffa5490af..ba40fd68f4 100644
--- a/sysdeps/unix/sysv/linux/bits/mman-linux.h
+++ b/sysdeps/unix/sysv/linux/bits/mman-linux.h
@@ -112,18 +112,4 @@
faulted in. */
#endif
-#ifdef __USE_GNU
-/* Flags for memfd_create. */
-# define MFD_CLOEXEC 1U
-# define MFD_ALLOW_SEALING 2U
-# define MFD_HUGETLB 4U
-
-__BEGIN_DECLS
-
-/* Create a new memory file descriptor. NAME is a name for debugging.
- FLAGS is a combination of the MFD_* constants. */
-int memfd_create (const char *__name, unsigned int __flags) __THROW;
-
-__END_DECLS
-
-#endif /* __USE_GNU */
+#include <bits/mman-shared.h>
diff --git a/sysdeps/unix/sysv/linux/bits/mman-shared.h b/sysdeps/unix/sysv/linux/bits/mman-shared.h
new file mode 100644
index 0000000000..5bbcbbc14a
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/bits/mman-shared.h
@@ -0,0 +1,39 @@
+/* Memory-mapping-related declarations/definitions, not architecture-specific.
+ 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/>. */
+
+#ifndef _SYS_MMAN_H
+# error "Never use <bits/mman-shared.h> directly; include <sys/mman.h> instead."
+#endif
+
+#ifdef __USE_GNU
+/* Flags for memfd_create. */
+# ifndef MFD_CLOEXEC
+# define MFD_CLOEXEC 1U
+# define MFD_ALLOW_SEALING 2U
+# define MFD_HUGETLB 4U
+# endif
+
+__BEGIN_DECLS
+
+/* Create a new memory file descriptor. NAME is a name for debugging.
+ FLAGS is a combination of the MFD_* constants. */
+int memfd_create (const char *__name, unsigned int __flags) __THROW;
+
+__END_DECLS
+
+#endif /* __USE_GNU */