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unix: use fcntl(2) libc stub on OpenBSD

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Future OpenBSD releases will remove the syscall(2) interface.
This converts the Fcntl functions to use fcntl(2) from libc,
rather than indirectly through syscall(2).

Updates golang/go#63900.

Change-Id: I50c3b91cb40245653c772e65b0b15c625974bebe
GitHub-Last-Rev: 9c62104c43c63885d0cb4b198eb8c029bc644fa6
GitHub-Pull-Request: golang/sys#179
Reviewed-on: https://go-review.googlesource.com/c/sys/+/538995
Reviewed-by: Bryan Mills <bcmills@google.com>
Reviewed-by: Joel Sing <joel@sing.id.au>
Reviewed-by: Cherry Mui <cherryyz@google.com>
Run-TryBot: Joel Sing <joel@sing.id.au>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Mauri de Souza Meneguzzo <mauri870@gmail.com>
This commit is contained in:
Josh Rickmar
2023-11-06 12:49:47 +00:00
committed by Joel Sing
parent cb378ae1ff
commit ec230dae7f
16 changed files with 233 additions and 1 deletions
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unix/zsyscall_openbsd_amd64.s
+5
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@@ -178,6 +178,11 @@ TEXT libc_sysctl_trampoline<>(SB),NOSPLIT,$0-0
GLOBL ·libc_sysctl_trampoline_addr(SB), RODATA, $8
DATA ·libc_sysctl_trampoline_addr(SB)/8, $libc_sysctl_trampoline<>(SB)
TEXT libc_fcntl_trampoline<>(SB),NOSPLIT,$0-0
JMP libc_fcntl(SB)
GLOBL ·libc_fcntl_trampoline_addr(SB), RODATA, $8
DATA ·libc_fcntl_trampoline_addr(SB)/8, $libc_fcntl_trampoline<>(SB)
TEXT libc_ppoll_trampoline<>(SB),NOSPLIT,$0-0
JMP libc_ppoll(SB)
GLOBL ·libc_ppoll_trampoline_addr(SB), RODATA, $8