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internal/poll: use fcntl64 on 32-bit GNU/Linux systems

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Use FcntlSyscall from internal/syscall/unix to get fcntl64 on 32-bit
Linux systems.

Updates #36211

Change-Id: If48a6e09606ca9f7f6e22f3e8dc9a25fb3ccaf65
Reviewed-on: https://go-review.googlesource.com/c/go/+/212537
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
This commit is contained in:
Tobias Klauser 2019-12-24 01:24:43 +01:00 • committed by Tobias Klauser
parent c170b14c2c
commit 075c20cea8
2 changed files with 3 additions and 2 deletions
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2
src/go/build/deps_test.go
View file

@ -168,7 +168,7 @@ var pkgDeps = map[string][]string{
},
"internal/cfg": {"L0"},
"internal/poll": {"L0", "internal/oserror", "internal/race", "syscall", "time", "unicode/utf16", "unicode/utf8", "internal/syscall/windows"},
"internal/poll": {"L0", "internal/oserror", "internal/race", "syscall", "time", "unicode/utf16", "unicode/utf8", "internal/syscall/windows", "internal/syscall/unix"},
"internal/testlog": {"L0"},
"os": {"L1", "os", "syscall", "time", "internal/oserror", "internal/poll", "internal/syscall/windows", "internal/syscall/unix", "internal/testlog"},
"path/filepath": {"L2", "os", "syscall", "internal/syscall/windows"},

3
src/internal/poll/splice_linux.go
View file

@ -5,6 +5,7 @@
package poll
import (
"internal/syscall/unix"
"sync/atomic"
"syscall"
"unsafe"
@ -169,7 +170,7 @@ func newTempPipe() (prfd, pwfd int, sc string, err error) {
defer atomic.StorePointer(&disableSplice, unsafe.Pointer(p))
// F_GETPIPE_SZ was added in 2.6.35, which does not have the -EAGAIN bug.
if _, _, errno := syscall.Syscall(syscall.SYS_FCNTL, uintptr(fds[0]), syscall.F_GETPIPE_SZ, 0); errno != 0 {
if _, _, errno := syscall.Syscall(unix.FcntlSyscall, uintptr(fds[0]), syscall.F_GETPIPE_SZ, 0); errno != 0 {
*p = true
destroyTempPipe(fds[0], fds[1])
return -1, -1, "fcntl", errno