* musl firsts
@ 2014-07-24 0:04 Rich Felker
2014-07-24 6:54 ` Szabolcs Nagy
2014-07-24 16:03 ` u-igbb
0 siblings, 2 replies; 3+ messages in thread
From: Rich Felker @ 2014-07-24 0:04 UTC (permalink / raw)
To: musl
Random fun list I thought we could compile for promotional material
(maybe use in future talks, website, etc.): features that musl had
before any of the competitors. A few to start it off, in roughly
chronological order:
- TCB shadow passwords
- Bcrypt in libc crypt
- Safe and working thread cancellation
- Correctly-rounded sqrt on 32-bit x86
- AS-safe and fail-safe dynamic TLS
- VSDO on 32-bit x86
- Link-local address scope ids in hosts file
- Using link-local addresses for nameservers in resolv.conf
- OpenRISC 1000 (or1k) port in upstream
I can think of a lot of smaller things too that are more like bugfixes
and probably not worth mentioning, like AS-safety of various functions
that are required to be AS-safe but that are broken in most libcs.
Additions to the list are welcome.
Rich
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: musl firsts
2014-07-24 0:04 musl firsts Rich Felker
@ 2014-07-24 6:54 ` Szabolcs Nagy
2014-07-24 16:03 ` u-igbb
1 sibling, 0 replies; 3+ messages in thread
From: Szabolcs Nagy @ 2014-07-24 6:54 UTC (permalink / raw)
To: Rich Felker; +Cc: musl
* Rich Felker <dalias@libc.org> [2014-07-23 20:04:05 -0400]:
> Random fun list I thought we could compile for promotional material
> (maybe use in future talks, website, etc.): features that musl had
> before any of the competitors. A few to start it off, in roughly
> chronological order:
>
> - TCB shadow passwords
> - Bcrypt in libc crypt
> - Safe and working thread cancellation
> - Correctly-rounded sqrt on 32-bit x86
> - AS-safe and fail-safe dynamic TLS
> - VSDO on 32-bit x86
> - Link-local address scope ids in hosts file
> - Using link-local addresses for nameservers in resolv.conf
> - OpenRISC 1000 (or1k) port in upstream
>
> I can think of a lot of smaller things too that are more like bugfixes
> and probably not worth mentioning, like AS-safety of various functions
> that are required to be AS-safe but that are broken in most libcs.
> Additions to the list are welcome.
- correct types in ipc structs on linux
- strtod that does not malloc/abort
- <10k worst-case stack usage guarantee (except execl* where
stack usage is caller dependent: args are copied to the stack)
- correct utf8 in libc?
- jn(INT_MIN, 12.34) does not invoke ub!
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: musl firsts
2014-07-24 0:04 musl firsts Rich Felker
2014-07-24 6:54 ` Szabolcs Nagy
@ 2014-07-24 16:03 ` u-igbb
1 sibling, 0 replies; 3+ messages in thread
From: u-igbb @ 2014-07-24 16:03 UTC (permalink / raw)
To: musl
On Wed, Jul 23, 2014 at 08:04:05PM -0400, Rich Felker wrote:
> before any of the competitors. A few to start it off, in roughly
> chronological order:
>
> - TCB shadow passwords
> - Bcrypt in libc crypt
> - Safe and working thread cancellation
> - Correctly-rounded sqrt on 32-bit x86
> - AS-safe and fail-safe dynamic TLS
> - VSDO on 32-bit x86
> - Link-local address scope ids in hosts file
> - Using link-local addresses for nameservers in resolv.conf
> - OpenRISC 1000 (or1k) port in upstream
- --preload (a fix for the bad LD_PRELOAD design)
which makes it safe to preload without the "unstoppable"
inheritance of LD_PRELOAD and otoh makes it possible to
protect a binary from accidental LD_PRELOAD by --preload
with a blank argument
Rune
^ permalink raw reply [flat|nested] 3+ messages in thread
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2014-07-24 0:04 musl firsts Rich Felker
2014-07-24 6:54 ` Szabolcs Nagy
2014-07-24 16:03 ` u-igbb
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