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authorUlrich Drepper <drepper@redhat.com>2000-04-14 05:59:03 +0000
committerUlrich Drepper <drepper@redhat.com>2000-04-14 05:59:03 +0000
commit8f6f7a31c9aea07b4f364fe1ba33fa099169a007 (patch)
tree2126fb19d16b6cdc6d74334291f300c92bb8e308 /bits/mman.h
parent79e195ed8251bd39619f1b1b6ade9bf50e5a6ee3 (diff)
downloadglibc-8f6f7a31c9aea07b4f364fe1ba33fa099169a007.tar.gz
Update.
2000-04-13 Ulrich Drepper <drepper@redhat.com> * misc/Versions [libc] (GLIBC_2.2): Add posix_madvice. * misc/sys/mman.h (posix_madvise): Add prototype. * sysdeps/generic/madvise.c (madvise): Renamed to __madvise. Make old name and posix_madvise weak aliases. * sysdeps/unix/sysv/linux/syscalls.list: Likewise. * sysdeps/generic/bits/mman.h: Add POSIX_MADV_* constants. * sysdeps/unix/sysv/linux/alpha/bits/mman.h: Likewise. * sysdeps/unix/sysv/linux/arm/bits/mman.h: Likewise. * sysdeps/unix/sysv/linux/i386/bits/mman.h: Likewise. * sysdeps/unix/sysv/linux/powerpc/bits/mman.h: Likewise. * sysdeps/unix/sysv/linux/sparc/bits/mman.h: Likewise.
Diffstat (limited to 'bits/mman.h')
-rw-r--r--bits/mman.h16
1 files changed, 12 insertions, 4 deletions
diff --git a/bits/mman.h b/bits/mman.h
index 99e3bcd1e8..57d42546d3 100644
--- a/bits/mman.h
+++ b/bits/mman.h
@@ -1,5 +1,5 @@
/* Definitions for BSD-style memory management.
- Copyright (C) 1994, 1995, 1996, 1997, 1998 Free Software Foundation, Inc.
+ Copyright (C) 1994-1998, 2000 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
@@ -21,8 +21,9 @@
(such as GNU) where these facilities are not system services but can be
emulated in the C library, these are the definitions we emulate. */
-#ifndef _BITS_MMAN_H
-#define _BITS_MMAN_H 1
+#ifndef _SYS_MMAN_H
+# error "Never use <bits/mman.h> directly; include <sys/mman.h> instead."
+#endif
/* Protections are chosen from these bits, OR'd together. The
implementation does not necessarily support PROT_EXEC or PROT_WRITE
@@ -70,4 +71,11 @@
# define MADV_DONTNEED 4 /* Don't need these pages. */
#endif
-#endif /* bits/mman.h */
+/* The POSIX people had to invent similar names for the same things. */
+#ifdef __USE_XOPEN2K
+# define POSIX_MADV_NORMAL 0 /* No further special treatment. */
+# define POSIX_MADV_RANDOM 1 /* Expect random page references. */
+# define POSIX_MADV_SEQUENTIAL 2 /* Expect sequential page references. */
+# define POSIX_MADV_WILLNEED 3 /* Will need these pages. */
+# define POSIX_MADV_DONTNEED 4 /* Don't need these pages. */
+#endif