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-rw-r--r--src/include/port/svr4.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/src/include/port/svr4.h b/src/include/port/svr4.h
index 56e7dbd9e2..b5d2a80e56 100644
--- a/src/include/port/svr4.h
+++ b/src/include/port/svr4.h
@@ -8,3 +8,10 @@
#define BYTE_ORDER BIG_ENDIAN
#endif
#endif
+
+#ifdef sinix
+#define HAS_TEST_AND_SET
+
+#include <abi_mutex.h>
+typedef abilock_t slock_t;
+#endif