[Bug libc/29375] New: don't hide MAP_ANONYMOUS behind _GNU_SOURCE

[Bug libc/29375] New: don't hide MAP_ANONYMOUS behind _GNU_SOURCE

[jscott at posteo dot net]

https://sourceware.org/bugzilla/show_bug.cgi?id=29375

            Bug ID: 29375
           Summary: don't hide MAP_ANONYMOUS behind _GNU_SOURCE
           Product: glibc
           Version: 2.36
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: libc
          Assignee: unassigned at sourceware dot org
          Reporter: jscott at posteo dot net
                CC: drepper.fsp at gmail dot com
  Target Milestone: ---

Hi,

POSIX is going to standardize MAP_ANONYMOUS in Issue 8. However, there's no
reason why we can't expose it to POSIX-conforming applications right now. MAP_
constants are in the implementation-reserved namespace according to the
standard, and musl libc already exposes MAP_ANON(YMOUS) when only
_POSIX_C_SOURCE is set. glibc should adopt this same behavior so it's easier
for application writers to use this lovely functionality.

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[Bug libc/29375] don't hide MAP_ANONYMOUS behind _GNU_SOURCE

[jscott at posteo dot net]

https://sourceware.org/bugzilla/show_bug.cgi?id=29375

John Scott <jscott at posteo dot net> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Severity|normal                      |minor

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[Bug libc/29375] don't hide MAP_ANONYMOUS behind _GNU_SOURCE

[schwab@linux-m68k.org]

https://sourceware.org/bugzilla/show_bug.cgi?id=29375

--- Comment #1 from Andreas Schwab <schwab@linux-m68k.org> ---
I guess we should just expose all MAP_ constants unconditionally.

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[Bug libc/29375] don't hide MAP_ANONYMOUS behind _GNU_SOURCE

[schwab@linux-m68k.org]

https://sourceware.org/bugzilla/show_bug.cgi?id=29375

Andreas Schwab <schwab@linux-m68k.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
   Target Milestone|---                         |2.37
         Resolution|---                         |FIXED

--- Comment #2 from Andreas Schwab <schwab@linux-m68k.org> ---
Done so in 2.37.

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