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-rw-r--r--src/internal/pthread_impl.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/src/internal/pthread_impl.h b/src/internal/pthread_impl.h
index 56e19348..602d6f56 100644
--- a/src/internal/pthread_impl.h
+++ b/src/internal/pthread_impl.h
@@ -136,6 +136,12 @@ static inline void __wake(volatile void *addr, int cnt, int priv)
__syscall(SYS_futex, addr, FUTEX_WAKE|priv, cnt) != -ENOSYS ||
__syscall(SYS_futex, addr, FUTEX_WAKE, cnt);
}
+static inline void __futexwait(volatile void *addr, int val, int priv)
+{
+ if (priv) priv = FUTEX_PRIVATE;
+ __syscall(SYS_futex, addr, FUTEX_WAIT|priv, val) != -ENOSYS ||
+ __syscall(SYS_futex, addr, FUTEX_WAIT, val);
+}
void __acquire_ptc(void);
void __release_ptc(void);