[Bug malloc/29624] errno is not cleared when entering main

["cvs-commit at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>]

https://sourceware.org/bugzilla/show_bug.cgi?id=29624

--- Comment #2 from Sourceware Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Andreas K. Huttel
<dilfridge@sourceware.org>:

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5a85786a9005722be7cb9e70f8874a5f1130daea

commit 5a85786a9005722be7cb9e70f8874a5f1130daea
Author: Xi Ruoyao <xry111@xry111.site>
Date:   Thu Jan 4 21:41:20 2024 +0800

    Make __getrandom_nocancel set errno and add a _nostatus version

    The __getrandom_nocancel function returns errors as negative values
    instead of errno.  This is inconsistent with other _nocancel functions
    and it breaks "TEMP_FAILURE_RETRY (__getrandom_nocancel (p, n, 0))" in
    __arc4random_buf.  Use INLINE_SYSCALL_CALL instead of
    INTERNAL_SYSCALL_CALL to fix this issue.

    But __getrandom_nocancel has been avoiding from touching errno for a
    reason, see BZ 29624.  So add a __getrandom_nocancel_nostatus function
    and use it in tcache_key_initialize.

    Signed-off-by: Xi Ruoyao <xry111@xry111.site>
    Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>
    Signed-off-by: Andreas K. Hüttel <dilfridge@gentoo.org>

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