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| 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/abi/linux | |
| 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/abi/linux')
| -rw-r--r-- | pkg/abi/linux/futex.go | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/pkg/abi/linux/futex.go b/pkg/abi/linux/futex.go index 5dff01fba..afdf4123b 100644 --- a/pkg/abi/linux/futex.go +++ b/pkg/abi/linux/futex.go @@ -54,3 +54,9 @@ const ( // FUTEX_TID_MASK is the TID portion of a PI futex word. const FUTEX_TID_MASK = 0x3fffffff + +// Constants used for priority-inheritance futexes. +const ( + FUTEX_WAITERS = 0x80000000 + FUTEX_OWNER_DIED = 0x40000000 +) |