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unix: replace blocked dup2 calls with dup3 on Android

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Android O and newer blocks access to the dup2 syscall. Route calls
to Dup2 to Dup3.

Change-Id: I76c0180db260ece4840b8ebf2736fb3f8c7ff9eb
Reviewed-on: https://go-review.googlesource.com/c/sys/+/231277
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
This commit is contained in:
Elias Naur
2020-05-01 05:29:02 +00:00
committed by Brad Fitzpatrick
parent d923437fa5
commit 10377860bb
22 changed files with 35 additions and 26 deletions
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unix/syscall_linux_arm.go
+1 -1
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@@ -80,7 +80,7 @@ func Seek(fd int, offset int64, whence int) (newoffset int64, err error) {
// 64-bit file system and 32-bit uid calls
// (16-bit uid calls are not always supported in newer kernels)
//sys Dup2(oldfd int, newfd int) (err error)
//sys dup2(oldfd int, newfd int) (err error)
//sysnb EpollCreate(size int) (fd int, err error)
//sys EpollWait(epfd int, events []EpollEvent, msec int) (n int, err error)
//sys Fchown(fd int, uid int, gid int) (err error) = SYS_FCHOWN32