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-rw-r--r--erts/emulator/beam/erl_driver.h23
1 files changed, 21 insertions, 2 deletions
diff --git a/erts/emulator/beam/erl_driver.h b/erts/emulator/beam/erl_driver.h
index 5517c26ba4..e498ac70ec 100644
--- a/erts/emulator/beam/erl_driver.h
+++ b/erts/emulator/beam/erl_driver.h
@@ -133,7 +133,23 @@ typedef struct {
#define ERL_DRV_EXTENDED_MARKER (0xfeeeeeed)
#define ERL_DRV_EXTENDED_MAJOR_VERSION 3
-#define ERL_DRV_EXTENDED_MINOR_VERSION 0
+#define ERL_DRV_EXTENDED_MINOR_VERSION 2
+
+/*
+ * The emulator will refuse to load a driver with a major version
+ * lower than ERL_DRV_MIN_REQUIRED_MAJOR_VERSION_ON_LOAD. The load
+ * may however fail if user have not removed use of deprecated
+ * symbols.
+ *
+ * The ERL_DRV_MIN_REQUIRED_MAJOR_VERSION_ON_LOAD have to allow
+ * loading of drivers built at least two major OTP releases
+ * ago.
+ *
+ * Bump of major version to 3 happened in OTP 17. That is, in
+ * OTP 19 we can increase ERL_DRV_MIN_REQUIRED_MAJOR_VERSION_ON_LOAD
+ * to 3.
+ */
+#define ERL_DRV_MIN_REQUIRED_MAJOR_VERSION_ON_LOAD 2
/*
* The emulator will refuse to load a driver with different major
@@ -182,7 +198,7 @@ typedef long long ErlDrvSInt64;
#error No 64-bit integer type
#endif
-#if defined(__WIN32__)
+#if defined(__WIN32__) || defined(_WIN32)
typedef ErlDrvUInt ErlDrvSizeT;
typedef ErlDrvSInt ErlDrvSSizeT;
#else
@@ -345,6 +361,9 @@ typedef struct erl_drv_entry {
/* Called on behalf of driver_select when
it is safe to release 'event'. A typical
unix driver would call close(event) */
+ void (*emergency_close)(ErlDrvData drv_data);
+ /* called when the port is closed abruptly.
+ specifically when erl_crash_dump is called. */
/* When adding entries here, dont forget to pad in obsolete/driver.h */
} ErlDrvEntry;