unix: use ppoll to implement Pause on linux/{arm64,riscv64}
Use ppoll instead of re-implementing it using Syscall6(SYS_PPOLL, ...)
Change-Id: I7b3baa00df32dc1fe7ee80755843a492a884938c
Reviewed-on: https://go-review.googlesource.com/c/144171
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
diff --git a/unix/syscall_linux_arm64.go b/unix/syscall_linux_arm64.go
index 646f295..fa5a9a6 100644
--- a/unix/syscall_linux_arm64.go
+++ b/unix/syscall_linux_arm64.go
@@ -191,12 +191,9 @@
return Dup3(oldfd, newfd, 0)
}
-func Pause() (err error) {
- _, _, e1 := Syscall6(SYS_PPOLL, 0, 0, 0, 0, 0, 0)
- if e1 != 0 {
- err = errnoErr(e1)
- }
- return
+func Pause() error {
+ _, err := ppoll(nil, 0, nil, nil)
+ return err
}
func Poll(fds []PollFd, timeout int) (n int, err error) {
diff --git a/unix/syscall_linux_riscv64.go b/unix/syscall_linux_riscv64.go
index 512077f..44aa122 100644
--- a/unix/syscall_linux_riscv64.go
+++ b/unix/syscall_linux_riscv64.go
@@ -191,12 +191,9 @@
return Dup3(oldfd, newfd, 0)
}
-func Pause() (err error) {
- _, _, e1 := Syscall6(SYS_PPOLL, 0, 0, 0, 0, 0, 0)
- if e1 != 0 {
- err = errnoErr(e1)
- }
- return
+func Pause() error {
+ _, err := ppoll(nil, 0, nil, nil)
+ return err
}
func Poll(fds []PollFd, timeout int) (n int, err error) {
