Add comments about non-Linux use of bits/mman-linux.h.

This commit is contained in:
Roland McGrath 2014-03-18 14:58:15 -07:00
parent 0283ecca51
commit 7d375303f2
3 changed files with 15 additions and 1 deletions

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@ -1,5 +1,9 @@
2014-03-18 Roland McGrath <roland@hack.frob.com>
* bits/mman-linux.h: Add comment about non-Linux use.
* sysdeps/unix/sysv/linux/Makefile (sysdep_headers): Add comment about
bits/mman-linux.h resting place.
* sysdeps/unix/sysv/linux/bits/mman-linux.h: Moved to ...
* bits/mman-linux.h: ... here.

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@ -21,7 +21,10 @@
#endif
/* The following definitions basically come from the kernel headers.
But the kernel header is not namespace clean. */
But the kernel header is not namespace clean.
This file is also used by some non-Linux configurations of the
GNU C Library, for other systems that use these same bit values. */
/* Protections are chosen from these bits, OR'd together. The

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@ -25,6 +25,13 @@ sysdep_routines += clone llseek umount umount2 readahead \
CFLAGS-gethostid.c = -fexceptions
CFLAGS-tst-writev.c += "-DARTIFICIAL_LIMIT=0x80000000-__getpagesize()"
# Note that bits/mman-linux.h is listed here though the file lives in the
# top-level bits/ subdirectory instead of here in sysdeps/.../linux/bits/.
# That is just so that other (non-Linux) configurations for whom the
# bits/mman-linux.h definitions work well do not have to duplicate the
# contents of the file. The file must still be listed in sysdep_headers
# here and in any non-Linux configuration that uses it; other
# configurations will not install the file.
sysdep_headers += sys/mount.h sys/acct.h sys/sysctl.h \
sys/klog.h sys/kdaemon.h \
sys/user.h sys/procfs.h sys/prctl.h \