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syscall: drop fallback to pipe in Pipe on linux/arm

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Follow-up for CL 346789

The minimum required Linux kernel version for Go 1.18 will be changed to
2.6.32, see #45964. The pipe2 syscall was added in 2.6.27, so the
fallback to use pipe in Pipe on linux/arm can be removed.

For #45964

Change-Id: I8b18244ca1f849f10e90565b4fef80ce777fef69
Reviewed-on: https://go-review.googlesource.com/c/go/+/347349
Trust: Tobias Klauser <tobias.klauser@gmail.com>
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
This commit is contained in:
Tobias Klauser 2021-09-08 10:41:56 +02:00 committed by Tobias Klauser
parent 376a079762
commit c84f3a4004
1 changed files with 0 additions and 4 deletions
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4
src/syscall/syscall_linux_arm.go
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@ -29,11 +29,7 @@ func Pipe(p []int) (err error) {
return EINVAL
}
var pp [2]_C_int
// Try pipe2 first for Android O, then try pipe for kernel 2.6.23.
err = pipe2(&pp, 0)
if err == ENOSYS {
err = pipe(&pp)
}
p[0] = int(pp[0])
p[1] = int(pp[1])
return