From 86e4d8ead48501f00466d685c157eaa0921d96a8 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Bj=C3=B6rn-Egil=20Dahlberg?= Date: Thu, 15 Jan 2015 14:40:50 +0100 Subject: erts: Check driver version before assigning callback --- erts/emulator/beam/io.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) (limited to 'erts/emulator/beam') diff --git a/erts/emulator/beam/io.c b/erts/emulator/beam/io.c index 2ac27f024e..012a7d1a4b 100644 --- a/erts/emulator/beam/io.c +++ b/erts/emulator/beam/io.c @@ -7349,6 +7349,8 @@ no_stop_select_callback(ErlDrvEvent event, void* private) erts_send_error_to_logger_nogl(dsbufp); } +#define IS_DRIVER_VERSION_GE(DE,MAJOR,MINOR) \ + ((DE)->major_version >= (MAJOR) && (DE)->minor_version >= (MINOR)) static int init_driver(erts_driver_t *drv, ErlDrvEntry *de, DE_Handle *handle) @@ -7396,7 +7398,7 @@ 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; + drv->emergency_close = IS_DRIVER_VERSION_GE(de,3,2) ? de->emergency_close : NULL; if (de->stop_select) drv->stop_select = de->stop_select; else @@ -7415,6 +7417,8 @@ init_driver(erts_driver_t *drv, ErlDrvEntry *de, DE_Handle *handle) } } +#undef IS_DRIVER_VERSION_GE + void erts_destroy_driver(erts_driver_t *drv) { -- cgit v1.2.3