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-rw-r--r--src/internal/futex.h16
1 files changed, 16 insertions, 0 deletions
diff --git a/src/internal/futex.h b/src/internal/futex.h
new file mode 100644
index 00000000..c0453822
--- /dev/null
+++ b/src/internal/futex.h
@@ -0,0 +1,16 @@
+#ifndef _INTERNAL_FUTEX_H
+#define _INTERNAL_FUTEX_H
+
+#define FUTEX_WAIT 0
+#define FUTEX_WAKE 1
+#define FUTEX_FD 2
+#define FUTEX_REQUEUE 3
+#define FUTEX_CMP_REQUEUE 4
+#define FUTEX_WAKE_OP 5
+#define FUTEX_LOCK_PI 6
+#define FUTEX_UNLOCK_PI 7
+#define FUTEX_TRYLOCK_PI 8
+
+int __futex(volatile int *, int, int, void *);
+
+#endif