[<prev] [next>] [<thread-prev] [day] [month] [year] [list]
Message-ID: <20191219084302.GC986899@wirbelwind.zhasha.com>
Date: Thu, 19 Dec 2019 09:43:02 +0100
From: Joakim Sindholt <opensource@...sha.com>
To: musl@...ts.openwall.com
Subject: Re: mmap implementation confusion
On Thu, Dec 19, 2019 at 03:37:14AM -0500, Alex Brachet-Mialot wrote:
> In src/mman/mmap.c mmap (after light einval checks) just returns the result
> of the syscall directly. But presumably the OS returns -E* and not -1 for
> all failures. Otherwise something like EBADF could never go reported.
> Presumably musl is compliant here and returns -1 on error and not the
> negative value from the OS but I’m not seeing that logic. Am I missing
> something here? Thanks.
It returns (void *)__syscall_ret(ret)
Have a look in src/internal/syscall_ret.c
Powered by blists - more mailing lists
Confused about mailing lists and their use?
Read about mailing lists on Wikipedia
and check out these
guidelines on proper formatting of your messages.
