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glibc/sysdeps/unix
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Adhemerval Zanella Netto 98f9435f33 Linux: optimize clone3 internal usage 
Add an optimization to avoid calling clone3 when glibc detects that
there is no kernel support.  It also adds __ASSUME_CLONE3, which allows
skipping this optimization and issuing the clone3 syscall directly.

It does not handle the the small window between 5.3 and 5.5 for
posix_spawn (CLONE_CLEAR_SIGHAND was added in 5.5).

Checked on x86_64-linux-gnu.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
2023-02-01 08:42:11 -03:00
..
alpha Update copyright dates with scripts/update-copyrights 2023-01-06 21:14:39 +00:00
arm Update copyright dates with scripts/update-copyrights 2023-01-06 21:14:39 +00:00
bsd Update copyright dates with scripts/update-copyrights 2023-01-06 21:14:39 +00:00
i386 Update copyright dates with scripts/update-copyrights 2023-01-06 21:14:39 +00:00
inet Remove obsolete, never-implemented XSI STREAMS declarations 2019-03-14 15:44:15 +01:00
mips Update copyright dates with scripts/update-copyrights 2023-01-06 21:14:39 +00:00
powerpc Update copyright dates with scripts/update-copyrights 2023-01-06 21:14:39 +00:00
sh Update copyright dates with scripts/update-copyrights 2023-01-06 21:14:39 +00:00
sysv/linux Linux: optimize clone3 internal usage 2023-02-01 08:42:11 -03:00
x86_64 Update copyright dates with scripts/update-copyrights 2023-01-06 21:14:39 +00:00
confstr.h
get_child_max.c Update copyright dates with scripts/update-copyrights 2023-01-06 21:14:39 +00:00
getlogin_r.c Update copyright dates with scripts/update-copyrights 2023-01-06 21:14:39 +00:00
getlogin.c Update copyright dates with scripts/update-copyrights 2023-01-06 21:14:39 +00:00
getpagesize.c Update copyright dates with scripts/update-copyrights 2023-01-06 21:14:39 +00:00
grantpt.c Update copyright dates with scripts/update-copyrights 2023-01-06 21:14:39 +00:00
ifreq.c Update copyright dates with scripts/update-copyrights 2023-01-06 21:14:39 +00:00
Implies
make-syscalls.sh Add SYSCALL_ULONG_ARG_[12] to pass long to syscall [BZ #25810] 2020-04-29 05:35:34 -07:00
Makefile Update copyright dates with scripts/update-copyrights 2023-01-06 21:14:39 +00:00
setxid.h
sockatmark.c Update copyright dates with scripts/update-copyrights 2023-01-06 21:14:39 +00:00
syscall-template.S Update copyright dates with scripts/update-copyrights 2023-01-06 21:14:39 +00:00
syscall.S Update copyright dates with scripts/update-copyrights 2023-01-06 21:14:39 +00:00
syscalls.list misc: Add time64 alias for ioctl 2021-07-21 11:58:09 +02:00
sysdep.h Update copyright dates with scripts/update-copyrights 2023-01-06 21:14:39 +00:00