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unix: fix Pause on linux-arm64

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Pause is a legacy syscall not available on linux-arm64. Use ppoll with
all args as 0 to emulate - this is the way musl libc does Pause when the
pause syscall isn't available.

With the changes in syscall_linux* and regenerating zsyscall_linux*,
this calling Pause on linux-arm64 works and returns EINTR as expected.

Change-Id: I88236290313f18c742d826e759e86ff260a8b383
Reviewed-on: https://go-review.googlesource.com/22014
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
This commit is contained in:
Riku Voipio
2016-04-15 13:58:44 +00:00
committed by Brad Fitzpatrick
parent 324e137580
commit f64b50fbea
15 changed files with 83 additions and 81 deletions
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unix/syscall_linux_386.go
+1
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@@ -92,6 +92,7 @@ func Pipe2(p []int, flags int) (err error) {
//sys mmap2(addr uintptr, length uintptr, prot int, flags int, fd int, pageOffset uintptr) (xaddr uintptr, err error)
//sys EpollWait(epfd int, events []EpollEvent, msec int) (n int, err error)
//sys Pause() (err error)
func mmap(addr uintptr, length uintptr, prot int, flags int, fd int, offset int64) (xaddr uintptr, err error) {
page := uintptr(offset / 4096)