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* [Bug libc/31430] New: glibc doesn't define MAP_UNINITIALIZED
@ 2024-02-28 17:59 stefan.smorra at gmail dot com
2024-02-28 18:09 ` [Bug libc/31430] " stefan.smorra at gmail dot com
` (5 more replies)
0 siblings, 6 replies; 7+ messages in thread
From: stefan.smorra at gmail dot com @ 2024-02-28 17:59 UTC (permalink / raw)
To: glibc-bugs
https://sourceware.org/bugzilla/show_bug.cgi?id=31430
Bug ID: 31430
Summary: glibc doesn't define MAP_UNINITIALIZED
Product: glibc
Version: 2.39
Status: UNCONFIRMED
Severity: minor
Priority: P2
Component: libc
Assignee: unassigned at sourceware dot org
Reporter: stefan.smorra at gmail dot com
CC: drepper.fsp at gmail dot com
Target Milestone: ---
When you look into Linux 'man mmap' you'll find MAP_UNINITIALIZED which exists
for roughly 14 years (in the Linux kernel).
However when I include sys/mman.h it says MAP_UNINITIALIZED is undeclared.
I am not 100% sure if this is a bug in glibc or intention.
I searched the web, mailing lists, stackoverflow and the glibc source code and
found nothing about why this macro is undefined in glibc.
The only comment about this flag is in tst-mman-consts.py. It says
MAP_UNINITIALIZED is kernel only. Does that mean glibc doesn't support Linux
only features? I am not sure.
--
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^ permalink raw reply [flat|nested] 7+ messages in thread* [Bug libc/31430] glibc doesn't define MAP_UNINITIALIZED 2024-02-28 17:59 [Bug libc/31430] New: glibc doesn't define MAP_UNINITIALIZED stefan.smorra at gmail dot com @ 2024-02-28 18:09 ` stefan.smorra at gmail dot com 2024-02-28 18:18 ` schwab@linux-m68k.org ` (4 subsequent siblings) 5 siblings, 0 replies; 7+ messages in thread From: stefan.smorra at gmail dot com @ 2024-02-28 18:09 UTC (permalink / raw) To: glibc-bugs https://sourceware.org/bugzilla/show_bug.cgi?id=31430 --- Comment #1 from steph123 <stefan.smorra at gmail dot com> --- In the glibc documentation MAP_UNINITIALIZED is also not found. -- You are receiving this mail because: You are on the CC list for the bug. ^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug libc/31430] glibc doesn't define MAP_UNINITIALIZED 2024-02-28 17:59 [Bug libc/31430] New: glibc doesn't define MAP_UNINITIALIZED stefan.smorra at gmail dot com 2024-02-28 18:09 ` [Bug libc/31430] " stefan.smorra at gmail dot com @ 2024-02-28 18:18 ` schwab@linux-m68k.org 2024-03-01 15:54 ` stefan.smorra at gmail dot com ` (3 subsequent siblings) 5 siblings, 0 replies; 7+ messages in thread From: schwab@linux-m68k.org @ 2024-02-28 18:18 UTC (permalink / raw) To: glibc-bugs https://sourceware.org/bugzilla/show_bug.cgi?id=31430 --- Comment #2 from Andreas Schwab <schwab@linux-m68k.org> --- MAP_UNINITIALIZED is specific to nommu, and ignored in a normal kernel. -- You are receiving this mail because: You are on the CC list for the bug. ^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug libc/31430] glibc doesn't define MAP_UNINITIALIZED 2024-02-28 17:59 [Bug libc/31430] New: glibc doesn't define MAP_UNINITIALIZED stefan.smorra at gmail dot com 2024-02-28 18:09 ` [Bug libc/31430] " stefan.smorra at gmail dot com 2024-02-28 18:18 ` schwab@linux-m68k.org @ 2024-03-01 15:54 ` stefan.smorra at gmail dot com 2024-03-01 18:08 ` schwab@linux-m68k.org ` (2 subsequent siblings) 5 siblings, 0 replies; 7+ messages in thread From: stefan.smorra at gmail dot com @ 2024-03-01 15:54 UTC (permalink / raw) To: glibc-bugs https://sourceware.org/bugzilla/show_bug.cgi?id=31430 --- Comment #3 from steph123 <stefan.smorra at gmail dot com> --- Does that mean glibc doesn't want to support this flag? -- You are receiving this mail because: You are on the CC list for the bug. ^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug libc/31430] glibc doesn't define MAP_UNINITIALIZED 2024-02-28 17:59 [Bug libc/31430] New: glibc doesn't define MAP_UNINITIALIZED stefan.smorra at gmail dot com ` (2 preceding siblings ...) 2024-03-01 15:54 ` stefan.smorra at gmail dot com @ 2024-03-01 18:08 ` schwab@linux-m68k.org 2024-03-01 20:40 ` stefan.smorra at gmail dot com 2024-03-01 20:42 ` stefan.smorra at gmail dot com 5 siblings, 0 replies; 7+ messages in thread From: schwab@linux-m68k.org @ 2024-03-01 18:08 UTC (permalink / raw) To: glibc-bugs https://sourceware.org/bugzilla/show_bug.cgi?id=31430 --- Comment #4 from Andreas Schwab <schwab@linux-m68k.org> --- glibc does not support nommu. -- You are receiving this mail because: You are on the CC list for the bug. ^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug libc/31430] glibc doesn't define MAP_UNINITIALIZED 2024-02-28 17:59 [Bug libc/31430] New: glibc doesn't define MAP_UNINITIALIZED stefan.smorra at gmail dot com ` (3 preceding siblings ...) 2024-03-01 18:08 ` schwab@linux-m68k.org @ 2024-03-01 20:40 ` stefan.smorra at gmail dot com 2024-03-01 20:42 ` stefan.smorra at gmail dot com 5 siblings, 0 replies; 7+ messages in thread From: stefan.smorra at gmail dot com @ 2024-03-01 20:40 UTC (permalink / raw) To: glibc-bugs https://sourceware.org/bugzilla/show_bug.cgi?id=31430 --- Comment #5 from steph123 <stefan.smorra at gmail dot com> --- That's all I wanted to know thanks... -- You are receiving this mail because: You are on the CC list for the bug. ^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug libc/31430] glibc doesn't define MAP_UNINITIALIZED 2024-02-28 17:59 [Bug libc/31430] New: glibc doesn't define MAP_UNINITIALIZED stefan.smorra at gmail dot com ` (4 preceding siblings ...) 2024-03-01 20:40 ` stefan.smorra at gmail dot com @ 2024-03-01 20:42 ` stefan.smorra at gmail dot com 5 siblings, 0 replies; 7+ messages in thread From: stefan.smorra at gmail dot com @ 2024-03-01 20:42 UTC (permalink / raw) To: glibc-bugs https://sourceware.org/bugzilla/show_bug.cgi?id=31430 steph123 <stefan.smorra at gmail dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |RESOLVED Resolution|--- |NOTABUG --- Comment #6 from steph123 <stefan.smorra at gmail dot com> --- This is not a bug. See previous comments. -- You are receiving this mail because: You are on the CC list for the bug. ^ permalink raw reply [flat|nested] 7+ messages in thread
end of thread, other threads:[~2024-03-01 20:42 UTC | newest] Thread overview: 7+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2024-02-28 17:59 [Bug libc/31430] New: glibc doesn't define MAP_UNINITIALIZED stefan.smorra at gmail dot com 2024-02-28 18:09 ` [Bug libc/31430] " stefan.smorra at gmail dot com 2024-02-28 18:18 ` schwab@linux-m68k.org 2024-03-01 15:54 ` stefan.smorra at gmail dot com 2024-03-01 18:08 ` schwab@linux-m68k.org 2024-03-01 20:40 ` stefan.smorra at gmail dot com 2024-03-01 20:42 ` stefan.smorra at gmail dot com
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