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authorFabricio Voznika <fvoznika@google.com>2019-03-05 23:39:14 -0800
committerShentubot <shentubot@google.com>2019-03-05 23:40:18 -0800
commit0b76887147820a809beaa497ede8dc4f7b7b120a (patch)
treea89be091add2e39163cefe84bf3614a6338f3cd9 /pkg/abi
parentfcba4e8f040ab4b40e04b9315d718d7e5aa44635 (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')
-rw-r--r--pkg/abi/linux/futex.go6
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
+)