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authorgVisor bot <gvisor-bot@google.com>2021-03-03 18:43:27 +0000
committergVisor bot <gvisor-bot@google.com>2021-03-03 18:43:27 +0000
commitaae5455fe381c4cbc956f61c971284ee05c52dfc (patch)
tree2b1cb0233968680dcd0374f20ee826cf311bda95 /pkg/fdnotifier
parente2599d556573b05eb3714c1e791fa29431dc3d3f (diff)
parenta9441aea2780da8c93da1c73da860219f98438de (diff)
Merge release-20210301.0-5-ga9441aea2 (automated)
Diffstat (limited to 'pkg/fdnotifier')
-rw-r--r--pkg/fdnotifier/fdnotifier.go15
-rw-r--r--pkg/fdnotifier/poll_unsafe.go12
2 files changed, 13 insertions, 14 deletions
diff --git a/pkg/fdnotifier/fdnotifier.go b/pkg/fdnotifier/fdnotifier.go
index a6b63c982..1290d5d10 100644
--- a/pkg/fdnotifier/fdnotifier.go
+++ b/pkg/fdnotifier/fdnotifier.go
@@ -22,7 +22,6 @@ package fdnotifier
import (
"fmt"
- "syscall"
"golang.org/x/sys/unix"
"gvisor.dev/gvisor/pkg/sync"
@@ -51,7 +50,7 @@ type notifier struct {
// newNotifier creates a new notifier object.
func newNotifier() (*notifier, error) {
- epfd, err := syscall.EpollCreate1(0)
+ epfd, err := unix.EpollCreate1(0)
if err != nil {
return nil, err
}
@@ -72,22 +71,22 @@ func (n *notifier) waitFD(fd int32, fi *fdInfo, mask waiter.EventMask) error {
return nil
}
- e := syscall.EpollEvent{
+ e := unix.EpollEvent{
Events: mask.ToLinux() | unix.EPOLLET,
Fd: fd,
}
switch {
case !fi.waiting && mask != 0:
- if err := syscall.EpollCtl(n.epFD, syscall.EPOLL_CTL_ADD, int(fd), &e); err != nil {
+ if err := unix.EpollCtl(n.epFD, unix.EPOLL_CTL_ADD, int(fd), &e); err != nil {
return err
}
fi.waiting = true
case fi.waiting && mask == 0:
- syscall.EpollCtl(n.epFD, syscall.EPOLL_CTL_DEL, int(fd), nil)
+ unix.EpollCtl(n.epFD, unix.EPOLL_CTL_DEL, int(fd), nil)
fi.waiting = false
case fi.waiting && mask != 0:
- if err := syscall.EpollCtl(n.epFD, syscall.EPOLL_CTL_MOD, int(fd), &e); err != nil {
+ if err := unix.EpollCtl(n.epFD, unix.EPOLL_CTL_MOD, int(fd), &e); err != nil {
return err
}
}
@@ -144,10 +143,10 @@ func (n *notifier) hasFD(fd int32) bool {
// notifications from the epoll object. Once notifications arrive, they are
// dispatched to the registered queue.
func (n *notifier) waitAndNotify() error {
- e := make([]syscall.EpollEvent, 100)
+ e := make([]unix.EpollEvent, 100)
for {
v, err := epollWait(n.epFD, e, -1)
- if err == syscall.EINTR {
+ if err == unix.EINTR {
continue
}
diff --git a/pkg/fdnotifier/poll_unsafe.go b/pkg/fdnotifier/poll_unsafe.go
index ec2f997a2..493ea8375 100644
--- a/pkg/fdnotifier/poll_unsafe.go
+++ b/pkg/fdnotifier/poll_unsafe.go
@@ -17,9 +17,9 @@
package fdnotifier
import (
- "syscall"
"unsafe"
+ "golang.org/x/sys/unix"
"gvisor.dev/gvisor/pkg/waiter"
)
@@ -35,16 +35,16 @@ func NonBlockingPoll(fd int32, mask waiter.EventMask) waiter.EventMask {
events: int16(mask.ToLinux()),
}
- ts := syscall.Timespec{
+ ts := unix.Timespec{
Sec: 0,
Nsec: 0,
}
for {
- n, _, err := syscall.RawSyscall6(syscall.SYS_PPOLL, uintptr(unsafe.Pointer(&e)), 1,
+ n, _, err := unix.RawSyscall6(unix.SYS_PPOLL, uintptr(unsafe.Pointer(&e)), 1,
uintptr(unsafe.Pointer(&ts)), 0, 0, 0)
// Interrupted by signal, try again.
- if err == syscall.EINTR {
+ if err == unix.EINTR {
continue
}
// If an error occur we'll conservatively say the FD is ready for
@@ -66,14 +66,14 @@ func NonBlockingPoll(fd int32, mask waiter.EventMask) waiter.EventMask {
// epollWait performs a blocking wait on epfd.
//
// Preconditions: len(events) > 0
-func epollWait(epfd int, events []syscall.EpollEvent, msec int) (int, error) {
+func epollWait(epfd int, events []unix.EpollEvent, msec int) (int, error) {
if len(events) == 0 {
panic("Empty events passed to EpollWait")
}
// We actually use epoll_pwait with NULL sigmask instead of epoll_wait
// since that is what the Go >= 1.11 runtime prefers.
- r, _, e := syscall.Syscall6(syscall.SYS_EPOLL_PWAIT, uintptr(epfd), uintptr(unsafe.Pointer(&events[0])), uintptr(len(events)), uintptr(msec), 0, 0)
+ r, _, e := unix.Syscall6(unix.SYS_EPOLL_PWAIT, uintptr(epfd), uintptr(unsafe.Pointer(&events[0])), uintptr(len(events)), uintptr(msec), 0, 0)
if e != 0 {
return 0, e
}