diff options
Diffstat (limited to 'erts/emulator/beam/erl_driver.h')
| -rw-r--r-- | erts/emulator/beam/erl_driver.h | 155 |
1 files changed, 51 insertions, 104 deletions
diff --git a/erts/emulator/beam/erl_driver.h b/erts/emulator/beam/erl_driver.h index 6b406d069c..0e8ebf0c98 100644 --- a/erts/emulator/beam/erl_driver.h +++ b/erts/emulator/beam/erl_driver.h @@ -1,7 +1,7 @@ /* * %CopyrightBegin% * - * Copyright Ericsson AB 1999-2014. All Rights Reserved. + * Copyright Ericsson AB 1999-2017. All Rights Reserved. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. @@ -37,52 +37,6 @@ # endif #endif -#ifdef SIZEOF_CHAR -# define SIZEOF_CHAR_SAVED__ SIZEOF_CHAR -# undef SIZEOF_CHAR -#endif -#ifdef SIZEOF_SHORT -# define SIZEOF_SHORT_SAVED__ SIZEOF_SHORT -# undef SIZEOF_SHORT -#endif -#ifdef SIZEOF_INT -# define SIZEOF_INT_SAVED__ SIZEOF_INT -# undef SIZEOF_INT -#endif -#ifdef SIZEOF_LONG -# define SIZEOF_LONG_SAVED__ SIZEOF_LONG -# undef SIZEOF_LONG -#endif -#ifdef SIZEOF_LONG_LONG -# define SIZEOF_LONG_LONG_SAVED__ SIZEOF_LONG_LONG -# undef SIZEOF_LONG_LONG -#endif -#ifdef HALFWORD_HEAP_EMULATOR -# define HALFWORD_HEAP_EMULATOR_SAVED__ HALFWORD_HEAP_EMULATOR -# undef HALFWORD_HEAP_EMULATOR -#endif -#include "erl_int_sizes_config.h" -#if defined(SIZEOF_CHAR_SAVED__) && SIZEOF_CHAR_SAVED__ != SIZEOF_CHAR -# error SIZEOF_CHAR mismatch -#endif -#if defined(SIZEOF_SHORT_SAVED__) && SIZEOF_SHORT_SAVED__ != SIZEOF_SHORT -# error SIZEOF_SHORT mismatch -#endif -#if defined(SIZEOF_INT_SAVED__) && SIZEOF_INT_SAVED__ != SIZEOF_INT -# error SIZEOF_INT mismatch -#endif -#if defined(SIZEOF_LONG_SAVED__) && SIZEOF_LONG_SAVED__ != SIZEOF_LONG -# error SIZEOF_LONG mismatch -#endif -#if defined(SIZEOF_LONG_LONG_SAVED__) && SIZEOF_LONG_LONG_SAVED__ != SIZEOF_LONG_LONG -# error SIZEOF_LONG_LONG mismatch -#endif - -/* This is OK to override by the NIF/driver implementor */ -#if defined(HALFWORD_HEAP_EMULATOR_SAVED__) && !defined(HALFWORD_HEAP_EMULATOR) -#define HALFWORD_HEAP_EMULATOR HALFWORD_HEAP_EMULATOR_SAVED__ -#endif - #include "erl_drv_nif.h" #include <stdlib.h> @@ -122,11 +76,10 @@ typedef struct { # endif #endif -/* Values for mode arg to driver_select() */ -#define ERL_DRV_READ (1 << 0) -#define ERL_DRV_WRITE (1 << 1) -#define ERL_DRV_USE (1 << 2) -#define ERL_DRV_USE_NO_CALLBACK (ERL_DRV_USE | (1 << 3)) +#define ERL_DRV_READ ((int)ERL_NIF_SELECT_READ) +#define ERL_DRV_WRITE ((int)ERL_NIF_SELECT_WRITE) +#define ERL_DRV_USE ((int)ERL_NIF_SELECT_STOP) +#define ERL_DRV_USE_NO_CALLBACK (ERL_DRV_USE | (ERL_DRV_USE << 1)) /* Old deprecated */ #define DO_READ ERL_DRV_READ @@ -134,7 +87,7 @@ typedef struct { #define ERL_DRV_EXTENDED_MARKER (0xfeeeeeed) #define ERL_DRV_EXTENDED_MAJOR_VERSION 3 -#define ERL_DRV_EXTENDED_MINOR_VERSION 2 +#define ERL_DRV_EXTENDED_MINOR_VERSION 3 /* * The emulator will refuse to load a driver with a major version @@ -172,32 +125,17 @@ typedef struct { #define ERL_DRV_FLAG_USE_PORT_LOCKING (1 << 0) #define ERL_DRV_FLAG_SOFT_BUSY (1 << 1) #define ERL_DRV_FLAG_NO_BUSY_MSGQ (1 << 2) +#define ERL_DRV_FLAG_USE_INIT_ACK (1 << 3) /* * Integer types */ -#if defined(__WIN32__) && (SIZEOF_VOID_P == 8) -typedef unsigned __int64 ErlDrvTermData; -typedef unsigned __int64 ErlDrvUInt; -typedef signed __int64 ErlDrvSInt; -#else -typedef unsigned long ErlDrvTermData; -typedef unsigned long ErlDrvUInt; -typedef signed long ErlDrvSInt; -#endif -#if defined(__WIN32__) -typedef unsigned __int64 ErlDrvUInt64; -typedef __int64 ErlDrvSInt64; -#elif SIZEOF_LONG == 8 -typedef unsigned long ErlDrvUInt64; -typedef long ErlDrvSInt64; -#elif SIZEOF_LONG_LONG == 8 -typedef unsigned long long ErlDrvUInt64; -typedef long long ErlDrvSInt64; -#else -#error No 64-bit integer type -#endif +typedef ErlNapiUInt64 ErlDrvUInt64; +typedef ErlNapiSInt64 ErlDrvSInt64; +typedef ErlNapiUInt ErlDrvUInt; +typedef ErlNapiSInt ErlDrvSInt; +typedef ErlNapiUInt ErlDrvTermData; #if defined(__WIN32__) || defined(_WIN32) typedef ErlDrvUInt ErlDrvSizeT; @@ -237,19 +175,23 @@ struct erl_drv_event_data { #endif typedef struct erl_drv_event_data *ErlDrvEventData; /* Event data */ -/* - * A driver monitor - */ -typedef struct { - unsigned char data[sizeof(void *)*4]; -} ErlDrvMonitor; - typedef struct { unsigned long megasecs; unsigned long secs; unsigned long microsecs; } ErlDrvNowData; +typedef ErlDrvSInt64 ErlDrvTime; + +#define ERL_DRV_TIME_ERROR ((ErlDrvSInt64) ERTS_NAPI_TIME_ERROR__) + +typedef enum { + ERL_DRV_SEC = ERTS_NAPI_SEC__, + ERL_DRV_MSEC = ERTS_NAPI_MSEC__, + ERL_DRV_USEC = ERTS_NAPI_USEC__, + ERL_DRV_NSEC = ERTS_NAPI_NSEC__ +} ErlDrvTimeUnit; + /* * Error codes that can be return from driver. */ @@ -386,22 +328,23 @@ typedef struct erl_drv_entry { #ifdef STATIC_ERLANG_DRIVER # define ERLANG_DRIVER_NAME(NAME) NAME ## _driver_init +# define ERL_DRIVER_EXPORT #else # define ERLANG_DRIVER_NAME(NAME) driver_init +# if defined(__GNUC__) && __GNUC__ >= 4 +# define ERL_DRIVER_EXPORT __attribute__ ((visibility("default"))) +# elif defined (__SUNPRO_C) && (__SUNPRO_C >= 0x550) +# define ERL_DRIVER_EXPORT __global +# else +# define ERL_DRIVER_EXPORT +# endif #endif -/* For windows dynamic drivers */ #ifndef ERL_DRIVER_TYPES_ONLY -#if defined(__WIN32__) -# define DRIVER_INIT(DRIVER_NAME) \ - __declspec(dllexport) ErlDrvEntry* ERLANG_DRIVER_NAME(DRIVER_NAME)(void); \ - __declspec(dllexport) ErlDrvEntry* ERLANG_DRIVER_NAME(DRIVER_NAME)(void) -#else -# define DRIVER_INIT(DRIVER_NAME) \ - ErlDrvEntry* ERLANG_DRIVER_NAME(DRIVER_NAME)(void); \ - ErlDrvEntry* ERLANG_DRIVER_NAME(DRIVER_NAME)(void) -#endif +#define DRIVER_INIT(DRIVER_NAME) \ + ERL_DRIVER_EXPORT ErlDrvEntry* ERLANG_DRIVER_NAME(DRIVER_NAME)(void); \ + ERL_DRIVER_EXPORT ErlDrvEntry* ERLANG_DRIVER_NAME(DRIVER_NAME)(void) #define ERL_DRV_BUSY_MSGQ_DISABLED (~((ErlDrvSizeT) 0)) #define ERL_DRV_BUSY_MSGQ_READ_ONLY ((ErlDrvSizeT) 0) @@ -685,8 +628,16 @@ EXTERN long driver_async(ErlDrvPort ix, EXTERN int driver_lock_driver(ErlDrvPort ix); /* Get the current 'now' timestamp (analogue to erlang:now()) */ -EXTERN int driver_get_now(ErlDrvNowData *now); +EXTERN int driver_get_now(ErlDrvNowData *now) ERL_DRV_DEPRECATED_FUNC; +/* Erlang Monotonic Time */ +EXTERN ErlDrvTime erl_drv_monotonic_time(ErlDrvTimeUnit time_unit); +/* Time offset between Erlang Monotonic Time and Erlang System Time */ +EXTERN ErlDrvTime erl_drv_time_offset(ErlDrvTimeUnit time_unit); +/* Time unit conversion */ +EXTERN ErlDrvTime erl_drv_convert_time_unit(ErlDrvTime val, + ErlDrvTimeUnit from, + ErlDrvTimeUnit to); /* These were removed from the ANSI version, now they're back. */ @@ -696,18 +647,14 @@ EXTERN int driver_dl_close(void *); EXTERN char *driver_dl_error(void); /* environment */ -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 +EXTERN int erl_drv_putenv(const char *key, char *value); +EXTERN int erl_drv_getenv(const char *key, char *value, size_t *value_size); + +/* spawn start init ack */ +EXTERN void erl_drv_init_ack(ErlDrvPort ix, ErlDrvData res); + +/* set the pid seen in port_info */ +EXTERN void erl_drv_set_os_pid(ErlDrvPort ix, ErlDrvSInt pid); #endif /* !ERL_DRIVER_TYPES_ONLY */ |