diff options
Diffstat (limited to 'erts/emulator/beam/erl_driver.h')
| -rw-r--r-- | erts/emulator/beam/erl_driver.h | 70 |
1 files changed, 40 insertions, 30 deletions
diff --git a/erts/emulator/beam/erl_driver.h b/erts/emulator/beam/erl_driver.h index 489e74d960..401967a8de 100644 --- a/erts/emulator/beam/erl_driver.h +++ b/erts/emulator/beam/erl_driver.h @@ -1,7 +1,7 @@ /* * %CopyrightBegin% * - * Copyright Ericsson AB 1999-2010. All Rights Reserved. + * Copyright Ericsson AB 1999-2011. All Rights Reserved. * * The contents of this file are subject to the Erlang Public License, * Version 1.1, (the "License"); you may not use this file except in @@ -48,6 +48,10 @@ # 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 @@ -65,6 +69,11 @@ # 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> @@ -141,6 +150,27 @@ typedef struct { #define ERL_DRV_FLAG_SOFT_BUSY (1 << 1) /* + * Integer types + */ + +typedef unsigned long ErlDrvTermData; +typedef unsigned long ErlDrvUInt; +typedef signed long ErlDrvSInt; + +#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 + +/* * A binary as seen in a driver. Note that a binary should never be * altered by the driver when it has been sent to Erlang. */ @@ -170,26 +200,6 @@ struct erl_drv_event_data { #endif typedef struct erl_drv_event_data *ErlDrvEventData; /* Event data */ -/* - * Used in monitors... - */ -typedef unsigned long ErlDrvTermData; -typedef unsigned long ErlDrvUInt; -typedef signed long ErlDrvSInt; - -#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 - /* * A driver monitor */ @@ -272,7 +282,7 @@ typedef struct erl_drv_entry { the port */ void (*ready_input)(ErlDrvData drv_data, ErlDrvEvent event); /* called when we have input from one of - the driver's handles) */ + the driver's handles */ void (*ready_output)(ErlDrvData drv_data, ErlDrvEvent event); /* called when output is possible to one of the driver's handles */ @@ -284,7 +294,7 @@ typedef struct erl_drv_entry { int (*control)(ErlDrvData drv_data, unsigned int command, char *buf, int len, char **rbuf, int rlen); /* "ioctl" for drivers - invoked by - port_control/3) */ + port_control/3 */ void (*timeout)(ErlDrvData drv_data); /* Handling of timeout in driver */ void (*outputv)(ErlDrvData drv_data, ErlIOVec *ev); /* called when we have output from erlang @@ -297,7 +307,7 @@ typedef struct erl_drv_entry { before 'stop' can be called */ int (*call)(ErlDrvData drv_data, unsigned int command, char *buf, int len, char **rbuf, int rlen, unsigned int *flags); - /* Works mostly like 'control', a syncronous + /* Works mostly like 'control', a synchronous call into the driver. */ void (*event)(ErlDrvData drv_data, ErlDrvEvent event, ErlDrvEventData event_data); @@ -385,9 +395,9 @@ EXTERN int driver_exit (ErlDrvPort port, int err); EXTERN ErlDrvPDL driver_pdl_create(ErlDrvPort); EXTERN void driver_pdl_lock(ErlDrvPDL); EXTERN void driver_pdl_unlock(ErlDrvPDL); -EXTERN long driver_pdl_get_refc(ErlDrvPDL); -EXTERN long driver_pdl_inc_refc(ErlDrvPDL); -EXTERN long driver_pdl_dec_refc(ErlDrvPDL); +EXTERN ErlDrvSInt driver_pdl_get_refc(ErlDrvPDL); +EXTERN ErlDrvSInt driver_pdl_inc_refc(ErlDrvPDL); +EXTERN ErlDrvSInt driver_pdl_dec_refc(ErlDrvPDL); /* * Process monitors @@ -423,9 +433,9 @@ EXTERN ErlDrvBinary* driver_realloc_binary(ErlDrvBinary *bin, int size); EXTERN void driver_free_binary(ErlDrvBinary *bin); /* Referenc count on driver binaries */ -EXTERN long driver_binary_get_refc(ErlDrvBinary *dbp); -EXTERN long driver_binary_inc_refc(ErlDrvBinary *dbp); -EXTERN long driver_binary_dec_refc(ErlDrvBinary *dbp); +EXTERN ErlDrvSInt driver_binary_get_refc(ErlDrvBinary *dbp); +EXTERN ErlDrvSInt driver_binary_inc_refc(ErlDrvBinary *dbp); +EXTERN ErlDrvSInt driver_binary_dec_refc(ErlDrvBinary *dbp); /* Allocation interface */ EXTERN void *driver_alloc(size_t size); |