diff options
| author | Fabricio Voznika <fvoznika@google.com> | 2019-03-05 23:39:14 -0800 |
|---|---|---|
| committer | Shentubot <shentubot@google.com> | 2019-03-05 23:40:18 -0800 |
| commit | 0b76887147820a809beaa497ede8dc4f7b7b120a (patch) | |
| tree | a89be091add2e39163cefe84bf3614a6338f3cd9 /pkg/sentry/platform/safecopy/safecopy.go | |
| parent | fcba4e8f040ab4b40e04b9315d718d7e5aa44635 (diff) | |
Priority-inheritance futex implementation
It is Implemented without the priority inheritance part given
that gVisor defers scheduling decisions to Go runtime and doesn't
have control over it.
PiperOrigin-RevId: 236989545
Change-Id: I714c8ca0798743ecf3167b14ffeb5cd834302560
Diffstat (limited to 'pkg/sentry/platform/safecopy/safecopy.go')
| -rw-r--r-- | pkg/sentry/platform/safecopy/safecopy.go | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/pkg/sentry/platform/safecopy/safecopy.go b/pkg/sentry/platform/safecopy/safecopy.go index c60f73103..69c66a3b7 100644 --- a/pkg/sentry/platform/safecopy/safecopy.go +++ b/pkg/sentry/platform/safecopy/safecopy.go @@ -75,6 +75,8 @@ var ( swapUint64End uintptr compareAndSwapUint32Begin uintptr compareAndSwapUint32End uintptr + loadUint32Begin uintptr + loadUint32End uintptr // savedSigSegVHandler is a pointer to the SIGSEGV handler that was // configured before we replaced it with our own. We still call into it @@ -119,6 +121,8 @@ func initializeAddresses() { swapUint64End = FindEndAddress(swapUint64Begin) compareAndSwapUint32Begin = reflect.ValueOf(compareAndSwapUint32).Pointer() compareAndSwapUint32End = FindEndAddress(compareAndSwapUint32Begin) + loadUint32Begin = reflect.ValueOf(loadUint32).Pointer() + loadUint32End = FindEndAddress(loadUint32Begin) } func init() { |