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-rw-r--r--erts/emulator/beam/erl_driver.h5
-rw-r--r--erts/emulator/beam/global.h1
-rw-r--r--erts/emulator/beam/io.c1
3 files changed, 6 insertions, 1 deletions
diff --git a/erts/emulator/beam/erl_driver.h b/erts/emulator/beam/erl_driver.h
index f9938fc66c..e498ac70ec 100644
--- a/erts/emulator/beam/erl_driver.h
+++ b/erts/emulator/beam/erl_driver.h
@@ -133,7 +133,7 @@ typedef struct {
#define ERL_DRV_EXTENDED_MARKER (0xfeeeeeed)
#define ERL_DRV_EXTENDED_MAJOR_VERSION 3
-#define ERL_DRV_EXTENDED_MINOR_VERSION 1
+#define ERL_DRV_EXTENDED_MINOR_VERSION 2
/*
* The emulator will refuse to load a driver with a major version
@@ -361,6 +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;
diff --git a/erts/emulator/beam/global.h b/erts/emulator/beam/global.h
index 891046a8b5..d25daaf7b8 100644
--- a/erts/emulator/beam/global.h
+++ b/erts/emulator/beam/global.h
@@ -160,6 +160,7 @@ struct erts_driver_t_ {
void (*ready_async)(ErlDrvData drv_data, ErlDrvThreadData thread_data); /* Might be NULL */
void (*process_exit)(ErlDrvData drv_data, ErlDrvMonitor *monitor);
void (*stop_select)(ErlDrvEvent event, void*); /* Might be NULL */
+ void (*emergency_close)(ErlDrvData drv_data); /* Might be NULL */
};
extern erts_driver_t *driver_list;
diff --git a/erts/emulator/beam/io.c b/erts/emulator/beam/io.c
index 9ae973e108..4ae8fafb2c 100644
--- a/erts/emulator/beam/io.c
+++ b/erts/emulator/beam/io.c
@@ -7396,6 +7396,7 @@ init_driver(erts_driver_t *drv, ErlDrvEntry *de, DE_Handle *handle)
drv->timeout = de->timeout ? de->timeout : no_timeout_callback;
drv->ready_async = de->ready_async;
drv->process_exit = de->process_exit;
+ drv->emergency_close = de->emergency_close;
if (de->stop_select)
drv->stop_select = de->stop_select;
else