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-rw-r--r--erts/emulator/drivers/common/erl_efile.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/erts/emulator/drivers/common/erl_efile.h b/erts/emulator/drivers/common/erl_efile.h
index bbc973d58b..ac95c1f949 100644
--- a/erts/emulator/drivers/common/erl_efile.h
+++ b/erts/emulator/drivers/common/erl_efile.h
@@ -32,7 +32,8 @@
#define EFILE_MODE_READ_WRITE 3
#define EFILE_MODE_APPEND 4
#define EFILE_COMPRESSED 8
-#define EFILE_NO_TRUNCATE 16 /* Special for reopening on VxWorks */
+#define EFILE_MODE_EXCL 16
+#define EFILE_NO_TRUNCATE 32 /* Special for reopening on VxWorks */
/*
* Seek modes for efile_seek().