diff options
Diffstat (limited to 'erts/emulator/beam/erl_driver.h')
| -rw-r--r-- | erts/emulator/beam/erl_driver.h | 27 |
1 files changed, 26 insertions, 1 deletions
diff --git a/erts/emulator/beam/erl_driver.h b/erts/emulator/beam/erl_driver.h index ab9ee63104..3ecb379326 100644 --- a/erts/emulator/beam/erl_driver.h +++ b/erts/emulator/beam/erl_driver.h @@ -136,6 +136,22 @@ typedef struct { #define ERL_DRV_EXTENDED_MINOR_VERSION 0 /* + * 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 * version than the one used by the emulator. */ @@ -271,7 +287,6 @@ typedef struct ErlDrvCond_ ErlDrvCond; typedef struct ErlDrvRWLock_ ErlDrvRWLock; typedef int ErlDrvTSDKey; - /* * */ @@ -680,6 +695,16 @@ EXTERN char *driver_dl_error(void); EXTERN int erl_drv_putenv(char *key, char *value); EXTERN int erl_drv_getenv(char *key, char *value, size_t *value_size); +#ifdef __OSE__ +typedef ErlDrvUInt ErlDrvOseEventId; +EXTERN union SIGNAL *erl_drv_ose_get_signal(ErlDrvEvent ev); +EXTERN ErlDrvEvent erl_drv_ose_event_alloc(SIGSELECT sig, ErlDrvOseEventId handle, + ErlDrvOseEventId (*resolve_signal)(union SIGNAL *sig), void *extra); +EXTERN void erl_drv_ose_event_free(ErlDrvEvent ev); +EXTERN void erl_drv_ose_event_fetch(ErlDrvEvent ev, SIGSELECT *sig, + ErlDrvOseEventId *handle, void **extra); +#endif + #endif /* !ERL_DRIVER_TYPES_ONLY */ #ifdef WIN32_DYNAMIC_ERL_DRIVER |