diff options
Diffstat (limited to 'erts/emulator')
28 files changed, 2336 insertions, 305 deletions
diff --git a/erts/emulator/Makefile.in b/erts/emulator/Makefile.in index 2fe12be43e..a81ab28847 100644 --- a/erts/emulator/Makefile.in +++ b/erts/emulator/Makefile.in @@ -419,7 +419,7 @@ include $(ERL_TOP)/make/otp_release_targets.mk RELSYSDIR = $(RELEASE_PATH)/erts-$(VSN) -RELEASE_INCLUDES = beam/erl_driver.h sys/$(ERLANG_OSTYPE)/driver_int.h beam/erl_nif.h beam/erl_nif_api_funcs.h +RELEASE_INCLUDES = beam/erl_driver.h sys/$(ERLANG_OSTYPE)/driver_int.h beam/erl_nif.h beam/erl_nif_api_funcs.h beam/erl_drv_nif.h ifeq ($(TARGET),win32) RELEASE_INCLUDES += sys/$(ERLANG_OSTYPE)/erl_win_dyn_driver.h endif diff --git a/erts/emulator/beam/beam_bif_load.c b/erts/emulator/beam/beam_bif_load.c index d3a1ed4e7d..b1feec7074 100644 --- a/erts/emulator/beam/beam_bif_load.c +++ b/erts/emulator/beam/beam_bif_load.c @@ -1,19 +1,19 @@ /* * %CopyrightBegin% - * - * Copyright Ericsson AB 1999-2009. All Rights Reserved. - * + * + * Copyright Ericsson AB 1999-2010. 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 * compliance with the License. You should have received a copy of the * Erlang Public License along with this software. If not, it can be * retrieved online at http://www.erlang.org/. - * + * * Software distributed under the License is distributed on an "AS IS" * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See * the License for the specific language governing rights and limitations * under the License. - * + * * %CopyrightEnd% */ @@ -642,21 +642,9 @@ purge_module(int module) /* * Unload any NIF library */ - if (modp->old_nif.handle != NULL) { - if (modp->old_nif.entry->unload != NULL) { - ErlNifEnv env; - env.nif_data = modp->old_nif.data; - env.proc = NULL; /* BUGBUG: unlink can not access calling process */ - env.hp = NULL; - env.hp_end = NULL; - env.heap_frag_sz = 0; - env.fpe_was_unmasked = erts_block_fpe(); - modp->old_nif.entry->unload(NULL, modp->old_nif.data); - erts_unblock_fpe(env.fpe_was_unmasked); - } - erts_sys_ddll_close(modp->old_nif.handle); - modp->old_nif.handle = NULL; - modp->old_nif.entry = NULL; + if (modp->old_nif != NULL) { + erts_unload_nif(modp->old_nif); + modp->old_nif = NULL; } /* @@ -732,8 +720,7 @@ delete_code(Process *c_p, ErtsProcLocks c_p_locks, Module* modp) modp->code = NULL; modp->code_length = 0; modp->catches = BEAM_CATCHES_NIL; - modp->nif.handle = NULL; - modp->nif.entry = NULL; + modp->nif = NULL; } diff --git a/erts/emulator/beam/beam_emu.c b/erts/emulator/beam/beam_emu.c index 13757b7d1c..2f7f48193d 100644 --- a/erts/emulator/beam/beam_emu.c +++ b/erts/emulator/beam/beam_emu.c @@ -2973,7 +2973,7 @@ void process_main(void) * I[-1]: Arity * I[0]: &&call_nif * I[1]: Function pointer to NIF function - * I[2]: priv_data pointer + * I[2]: Pointer to erl_module_nif */ BifFunction vbf; @@ -2989,7 +2989,7 @@ void process_main(void) typedef Eterm NifF(struct enif_environment_t*, int argc, Eterm argv[]); NifF* fp = vbf = (NifF*) I[1]; struct enif_environment_t env; - erts_pre_nif(&env, c_p, (void*)I[2]); + erts_pre_nif(&env, c_p, (struct erl_module_nif*)I[2]); reg[0] = r(0); tmp_arg1 = (*fp)(&env, tmp_arg2, reg); erts_post_nif(&env); diff --git a/erts/emulator/beam/binary.c b/erts/emulator/beam/binary.c index 49bc0d6457..08c64610a2 100644 --- a/erts/emulator/beam/binary.c +++ b/erts/emulator/beam/binary.c @@ -1,19 +1,19 @@ /* * %CopyrightBegin% - * - * Copyright Ericsson AB 1996-2009. All Rights Reserved. - * + * + * Copyright Ericsson AB 1996-2010. 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 * compliance with the License. You should have received a copy of the * Erlang Public License along with this software. If not, it can be * retrieved online at http://www.erlang.org/. - * + * * Software distributed under the License is distributed on an "AS IS" * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See * the License for the specific language governing rights and limitations * under the License. - * + * * %CopyrightEnd% */ @@ -180,7 +180,7 @@ erts_realloc_binary(Eterm bin, size_t size) } byte* -erts_get_aligned_binary_bytes(Eterm bin, byte** base_ptr) +erts_get_aligned_binary_bytes_extra(Eterm bin, byte** base_ptr, unsigned extra) { byte* bytes; Eterm* real_bin; @@ -208,10 +208,10 @@ erts_get_aligned_binary_bytes(Eterm bin, byte** base_ptr) bytes = (byte *)(&(((ErlHeapBin *) real_bin)->data)) + offs; } if (bit_offs) { - byte* buf = (byte *) erts_alloc(ERTS_ALC_T_TMP, byte_size); - - erts_copy_bits(bytes, bit_offs, 1, buf, 0, 1, byte_size*8); + byte* buf = (byte *) erts_alloc(ERTS_ALC_T_TMP, byte_size + extra); *base_ptr = buf; + buf += extra; + erts_copy_bits(bytes, bit_offs, 1, buf, 0, 1, byte_size*8); bytes = buf; } return bytes; diff --git a/erts/emulator/beam/erl_binary.h b/erts/emulator/beam/erl_binary.h index f8ecdde997..21d4e3fdfd 100644 --- a/erts/emulator/beam/erl_binary.h +++ b/erts/emulator/beam/erl_binary.h @@ -150,7 +150,7 @@ do { \ void erts_init_binary(void); -byte* erts_get_aligned_binary_bytes(Eterm, byte**); +byte* erts_get_aligned_binary_bytes_extra(Eterm, byte**, unsigned extra); #if defined(__i386__) || !defined(__GNUC__) /* @@ -166,6 +166,7 @@ byte* erts_get_aligned_binary_bytes(Eterm, byte**); #define ERTS_CHK_BIN_ALIGNMENT(B) \ do { ASSERT(!(B) || (((Uint) &((Binary *)(B))->orig_bytes[0]) & ERTS_BIN_ALIGNMENT_MASK) == ((Uint) 0)) } while(0) +ERTS_GLB_INLINE byte* erts_get_aligned_binary_bytes(Eterm bin, byte** base_ptr); ERTS_GLB_INLINE void erts_free_aligned_binary_bytes(byte* buf); ERTS_GLB_INLINE Binary *erts_bin_drv_alloc_fnf(Uint size); ERTS_GLB_INLINE Binary *erts_bin_drv_alloc(Uint size); @@ -178,6 +179,14 @@ ERTS_GLB_INLINE Binary *erts_create_magic_binary(Uint size, #if ERTS_GLB_INLINE_INCL_FUNC_DEF +#include <stddef.h> /* offsetof */ + +ERTS_GLB_INLINE byte* +erts_get_aligned_binary_bytes(Eterm bin, byte** base_ptr) +{ + return erts_get_aligned_binary_bytes_extra(bin, base_ptr, 0); +} + ERTS_GLB_INLINE void erts_free_aligned_binary_bytes(byte* buf) { @@ -189,7 +198,7 @@ erts_free_aligned_binary_bytes(byte* buf) ERTS_GLB_INLINE Binary * erts_bin_drv_alloc_fnf(Uint size) { - Uint bsize = sizeof(Binary) - 1 + size; + Uint bsize = ERTS_SIZEOF_Binary(size); void *res; res = erts_alloc_fnf(ERTS_ALC_T_DRV_BINARY, bsize); ERTS_CHK_BIN_ALIGNMENT(res); @@ -199,7 +208,7 @@ erts_bin_drv_alloc_fnf(Uint size) ERTS_GLB_INLINE Binary * erts_bin_drv_alloc(Uint size) { - Uint bsize = sizeof(Binary) - 1 + size; + Uint bsize = ERTS_SIZEOF_Binary(size); void *res; res = erts_alloc(ERTS_ALC_T_DRV_BINARY, bsize); ERTS_CHK_BIN_ALIGNMENT(res); @@ -210,7 +219,7 @@ erts_bin_drv_alloc(Uint size) ERTS_GLB_INLINE Binary * erts_bin_nrml_alloc(Uint size) { - Uint bsize = sizeof(Binary) - 1 + size; + Uint bsize = ERTS_SIZEOF_Binary(size); void *res; res = erts_alloc(ERTS_ALC_T_BINARY, bsize); ERTS_CHK_BIN_ALIGNMENT(res); @@ -221,7 +230,7 @@ ERTS_GLB_INLINE Binary * erts_bin_realloc_fnf(Binary *bp, Uint size) { Binary *nbp; - Uint bsize = sizeof(Binary) - 1 + size; + Uint bsize = ERTS_SIZEOF_Binary(size); ASSERT((bp->flags & BIN_FLAG_MAGIC) == 0); if (bp->flags & BIN_FLAG_DRV) nbp = erts_realloc_fnf(ERTS_ALC_T_DRV_BINARY, (void *) bp, bsize); @@ -235,7 +244,7 @@ ERTS_GLB_INLINE Binary * erts_bin_realloc(Binary *bp, Uint size) { Binary *nbp; - Uint bsize = sizeof(Binary) - 1 + size; + Uint bsize = ERTS_SIZEOF_Binary(size); ASSERT((bp->flags & BIN_FLAG_MAGIC) == 0); if (bp->flags & BIN_FLAG_DRV) nbp = erts_realloc_fnf(ERTS_ALC_T_DRV_BINARY, (void *) bp, bsize); diff --git a/erts/emulator/beam/erl_driver.h b/erts/emulator/beam/erl_driver.h index cdb584b282..489e74d960 100644 --- a/erts/emulator/beam/erl_driver.h +++ b/erts/emulator/beam/erl_driver.h @@ -1,19 +1,19 @@ /* * %CopyrightBegin% - * - * Copyright Ericsson AB 1999-2009. All Rights Reserved. - * + * + * Copyright Ericsson AB 1999-2010. 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 * compliance with the License. You should have received a copy of the * Erlang Public License along with this software. If not, it can be * retrieved online at http://www.erlang.org/. - * + * * Software distributed under the License is distributed on an "AS IS" * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See * the License for the specific language governing rights and limitations * under the License. - * + * * %CopyrightEnd% */ @@ -65,6 +65,8 @@ # error SIZEOF_LONG_LONG mismatch #endif +#include "erl_drv_nif.h" + #include <stdlib.h> #if defined(VXWORKS) @@ -116,7 +118,7 @@ typedef struct { #define ERL_DRV_EXTENDED_MARKER (0xfeeeeeed) #define ERL_DRV_EXTENDED_MAJOR_VERSION 1 -#define ERL_DRV_EXTENDED_MINOR_VERSION 4 +#define ERL_DRV_EXTENDED_MINOR_VERSION 5 /* * The emulator will refuse to load a driver with different major @@ -195,22 +197,6 @@ typedef struct { unsigned char data[sizeof(void *)*4]; } ErlDrvMonitor; - -/* - * System info - */ - -typedef struct { - int driver_major_version; - int driver_minor_version; - char *erts_version; - char *otp_release; - int thread_support; - int smp_support; - int async_threads; - int scheduler_threads; -} ErlDrvSysInfo; - typedef struct { unsigned long megasecs; unsigned long secs; @@ -255,9 +241,6 @@ typedef struct ErlDrvCond_ ErlDrvCond; typedef struct ErlDrvRWLock_ ErlDrvRWLock; typedef int ErlDrvTSDKey; -typedef struct { - int suggested_stack_size; -} ErlDrvThreadOpts; /* * diff --git a/erts/emulator/beam/erl_drv_nif.h b/erts/emulator/beam/erl_drv_nif.h new file mode 100644 index 0000000000..ea013a49a3 --- /dev/null +++ b/erts/emulator/beam/erl_drv_nif.h @@ -0,0 +1,48 @@ +/* + * %CopyrightBegin% + * + * Copyright Ericsson AB 2010. 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 + * compliance with the License. You should have received a copy of the + * Erlang Public License along with this software. If not, it can be + * retrieved online at http://www.erlang.org/. + * + * Software distributed under the License is distributed on an "AS IS" + * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See + * the License for the specific language governing rights and limitations + * under the License. + * + * %CopyrightEnd% + */ + +/* + * Common structures for both erl_driver.h and erl_nif.h + */ + +#ifndef __ERL_DRV_NIF_H__ +#define __ERL_DRV_NIF_H__ + +typedef struct { + int driver_major_version; + int driver_minor_version; + char *erts_version; + char *otp_release; + int thread_support; + int smp_support; + int async_threads; + int scheduler_threads; + int nif_major_version; + int nif_minor_version; +} ErlDrvSysInfo; + +typedef struct { + int suggested_stack_size; +} ErlDrvThreadOpts; + +#endif /* __ERL_DRV_NIF_H__ */ + + + + diff --git a/erts/emulator/beam/erl_init.c b/erts/emulator/beam/erl_init.c index 17cf3b9597..e97ab328cd 100644 --- a/erts/emulator/beam/erl_init.c +++ b/erts/emulator/beam/erl_init.c @@ -296,6 +296,7 @@ erl_init(void) erl_sys_init_final(); #endif packet_parser_init(); + erl_nif_init(); } static void diff --git a/erts/emulator/beam/erl_nif.c b/erts/emulator/beam/erl_nif.c index 2cb93112ae..585a6c1fdf 100644 --- a/erts/emulator/beam/erl_nif.c +++ b/erts/emulator/beam/erl_nif.c @@ -1,19 +1,19 @@ /* * %CopyrightBegin% - * - * Copyright Ericsson AB 2009. All Rights Reserved. - * + * + * Copyright Ericsson AB 2009-2010. 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 * compliance with the License. You should have received a copy of the * Erlang Public License along with this software. If not, it can be * retrieved online at http://www.erlang.org/. - * + * * Software distributed under the License is distributed on an "AS IS" * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See * the License for the specific language governing rights and limitations * under the License. - * + * * %CopyrightEnd% */ /* Erlang Native InterFace @@ -34,9 +34,26 @@ #include "beam_bp.h" #include <limits.h> +#include <stddef.h> /* offsetof */ + + +/* Information about a loaded nif library. + * Each successful call to erlang:load_nif will allocate an instance of + * erl_module_nif. Two calls opening the same library will thus have the same + * 'handle'. + */ +struct erl_module_nif { + void* priv_data; + void* handle; /* "dlopen" */ + struct enif_entry_t* entry; + erts_refc_t rt_cnt; /* number of resource types */ + erts_refc_t rt_dtor_cnt; /* number of resource types with destructors */ + int is_orphan; /* if erlang module has been purged */ +}; + #define MIN_HEAP_FRAG_SZ 200 -static Eterm* alloc_heap_heavy(ErlNifEnv* env, unsigned need); +static Eterm* alloc_heap_heavy(ErlNifEnv* env, unsigned need, Eterm* hp); static ERTS_INLINE Eterm* alloc_heap(ErlNifEnv* env, unsigned need) { @@ -45,43 +62,88 @@ static ERTS_INLINE Eterm* alloc_heap(ErlNifEnv* env, unsigned need) if (env->hp <= env->hp_end) { return hp; } - env->hp = hp; - return alloc_heap_heavy(env,need); + return alloc_heap_heavy(env, need, hp); } -static Eterm* alloc_heap_heavy(ErlNifEnv* env, unsigned need) -{ - Eterm* hp; - - if (env->heap_frag_sz == 0) { +static Eterm* alloc_heap_heavy(ErlNifEnv* env, unsigned need, Eterm* hp) +{ + unsigned frag_sz; + env->hp = hp; + if (env->heap_frag == NULL) { ASSERT(HEAP_LIMIT(env->proc) == env->hp_end); HEAP_TOP(env->proc) = env->hp; - env->heap_frag_sz = need + MIN_HEAP_FRAG_SZ; } else { HRelease(env->proc, env->hp_end, env->hp); - env->heap_frag_sz *= 2; } - hp = erts_heap_alloc(env->proc, env->heap_frag_sz); + frag_sz = need + MIN_HEAP_FRAG_SZ; + hp = erts_heap_alloc(env->proc, frag_sz); env->hp = hp + need; - env->hp_end = hp + env->heap_frag_sz; + env->hp_end = hp + frag_sz; + env->heap_frag = MBUF(env->proc); return hp; } -void erts_pre_nif(ErlNifEnv* env, Process* p, void* nif_data) +void erts_pre_nif(ErlNifEnv* env, Process* p, struct erl_module_nif* mod_nif) { - env->nif_data = nif_data; + env->mod_nif = mod_nif; env->proc = p; env->hp = HEAP_TOP(p); env->hp_end = HEAP_LIMIT(p); - env->heap_frag_sz = 0; + env->heap_frag = NULL; + env->fpe_was_unmasked = erts_block_fpe(); + env->tmp_obj_list = NULL; +} + +static void pre_nif_noproc(ErlNifEnv* env, struct erl_module_nif* mod_nif) +{ + env->mod_nif = mod_nif; + env->proc = NULL; + env->hp = NULL; + env->hp_end = NULL; + env->heap_frag = NULL; env->fpe_was_unmasked = erts_block_fpe(); + env->tmp_obj_list = NULL; +} + +static ERTS_INLINE void free_tmp_objs(ErlNifEnv* env) +{ + while (env->tmp_obj_list != NULL) { + struct enif_tmp_obj_t* free_me = env->tmp_obj_list; + env->tmp_obj_list = free_me->next; + free_me->dtor(free_me); + } } void erts_post_nif(ErlNifEnv* env) { erts_unblock_fpe(env->fpe_was_unmasked); - if (env->heap_frag_sz == 0) { + if (env->heap_frag == NULL) { + ASSERT(env->hp_end == HEAP_LIMIT(env->proc)); + ASSERT(env->hp >= HEAP_TOP(env->proc)); + ASSERT(env->hp <= HEAP_LIMIT(env->proc)); + HEAP_TOP(env->proc) = env->hp; + } + else { + ASSERT(env->hp_end != HEAP_LIMIT(env->proc)); + ASSERT(env->hp_end - env->hp <= env->heap_frag->size); + HRelease(env->proc, env->hp_end, env->hp); + } + free_tmp_objs(env); +} + +static void post_nif_noproc(ErlNifEnv* env) +{ + erts_unblock_fpe(env->fpe_was_unmasked); + free_tmp_objs(env); +} + + +/* Flush out our cached heap pointers to allow an ordinary HAlloc +*/ +static void enable_halloc(ErlNifEnv* env) +{ + if (env->heap_frag == NULL) { ASSERT(env->hp_end == HEAP_LIMIT(env->proc)); ASSERT(env->hp >= HEAP_TOP(env->proc)); ASSERT(env->hp <= HEAP_LIMIT(env->proc)); @@ -89,14 +151,35 @@ void erts_post_nif(ErlNifEnv* env) } else { ASSERT(env->hp_end != HEAP_LIMIT(env->proc)); - ASSERT(env->hp_end - env->hp <= env->heap_frag_sz); + ASSERT(env->hp_end - env->hp <= env->heap_frag->size); HRelease(env->proc, env->hp_end, env->hp); } } -void* enif_get_data(ErlNifEnv* env) +/* Restore cached heap pointers +*/ +static void disable_halloc(ErlNifEnv* env) { - return env->nif_data; + if (env->heap_frag == NULL) { + ASSERT(env->hp_end == HEAP_LIMIT(env->proc)); + ASSERT(env->hp <= HEAP_TOP(env->proc)); + ASSERT(env->hp <= HEAP_LIMIT(env->proc)); + env->hp = HEAP_TOP(env->proc); + } + else { + ASSERT(env->hp_end != HEAP_LIMIT(env->proc)); + ASSERT(env->hp_end - env->hp <= env->heap_frag->size); + env->heap_frag = MBUF(env->proc); + ASSERT(env->heap_frag != NULL); + env->hp = env->heap_frag->mem + env->heap_frag->used_size; + env->hp_end = env->heap_frag->mem + env->heap_frag->size; + } +} + + +void* enif_priv_data(ErlNifEnv* env) +{ + return env->mod_nif->priv_data; } void* enif_alloc(ErlNifEnv* env, size_t size) @@ -104,6 +187,11 @@ void* enif_alloc(ErlNifEnv* env, size_t size) return erts_alloc_fnf(ERTS_ALC_T_NIF, (Uint) size); } +void* enif_realloc(ErlNifEnv* env, void* ptr, size_t size) +{ + return erts_realloc_fnf(ERTS_ALC_T_NIF, ptr, size); +} + void enif_free(ErlNifEnv* env, void* ptr) { erts_free(ERTS_ALC_T_NIF, ptr); @@ -119,25 +207,94 @@ int enif_is_binary(ErlNifEnv* env, ERL_NIF_TERM term) return is_binary(term) && (binary_bitsize(term) % 8 == 0); } +int enif_is_empty_list(ErlNifEnv* env, ERL_NIF_TERM term) +{ + return is_nil(term); +} + +int enif_is_fun(ErlNifEnv* env, ERL_NIF_TERM term) +{ + return is_fun(term); +} + +int enif_is_pid(ErlNifEnv* env, ERL_NIF_TERM term) +{ + return is_pid(term); +} + +int enif_is_port(ErlNifEnv* env, ERL_NIF_TERM term) +{ + return is_port(term); +} + int enif_is_ref(ErlNifEnv* env, ERL_NIF_TERM term) { return is_ref(term); } +static void aligned_binary_dtor(struct enif_tmp_obj_t* obj) +{ + erts_free_aligned_binary_bytes((byte*)obj); +} int enif_inspect_binary(ErlNifEnv* env, Eterm bin_term, ErlNifBinary* bin) { - bin->tmp_alloc = NULL; - bin->data = erts_get_aligned_binary_bytes(bin_term, &bin->tmp_alloc); + union { + struct enif_tmp_obj_t* tmp; + byte* raw_ptr; + }u; + u.tmp = NULL; + bin->data = erts_get_aligned_binary_bytes_extra(bin_term, &u.raw_ptr, + sizeof(struct enif_tmp_obj_t)); if (bin->data == NULL) { return 0; } + if (u.tmp != NULL) { + u.tmp->next = env->tmp_obj_list; + u.tmp->dtor = &aligned_binary_dtor; + env->tmp_obj_list = u.tmp; + } bin->bin_term = bin_term; bin->size = binary_size(bin_term); bin->ref_bin = NULL; return 1; } +static void tmp_alloc_dtor(struct enif_tmp_obj_t* obj) +{ + erts_free(ERTS_ALC_T_TMP, obj); +} + +int enif_inspect_iolist_as_binary(ErlNifEnv* env, Eterm term, ErlNifBinary* bin) +{ + struct enif_tmp_obj_t* tobj; + int sz; + if (is_binary(term)) { + return enif_inspect_binary(env,term,bin); + } + if (is_nil(term)) { + bin->data = (unsigned char*) &bin->data; /* dummy non-NULL */ + bin->size = 0; + bin->bin_term = THE_NON_VALUE; + bin->ref_bin = NULL; + return 1; + } + if ((sz = io_list_len(term)) < 0) { + return 0; + } + + tobj = erts_alloc(ERTS_ALC_T_TMP, sz + sizeof(struct enif_tmp_obj_t)); + tobj->next = env->tmp_obj_list; + tobj->dtor = &tmp_alloc_dtor; + env->tmp_obj_list = tobj; + + bin->data = (unsigned char*) &tobj[1]; + bin->size = sz; + bin->bin_term = THE_NON_VALUE; + bin->ref_bin = NULL; + io_list_to_buf(term, (char*) bin->data, sz); + return 1; +} int enif_alloc_binary(ErlNifEnv* env, unsigned size, ErlNifBinary* bin) { @@ -154,46 +311,48 @@ int enif_alloc_binary(ErlNifEnv* env, unsigned size, ErlNifBinary* bin) bin->size = size; bin->data = (unsigned char*) refbin->orig_bytes; bin->bin_term = THE_NON_VALUE; - bin->tmp_alloc = NULL; bin->ref_bin = refbin; return 1; } int enif_realloc_binary(ErlNifEnv* env, ErlNifBinary* bin, unsigned size) { - Binary* oldbin; - Binary* newbin; - ASSERT(bin->ref_bin != NULL); - - oldbin = (Binary*) bin->ref_bin; - newbin = (Binary *) erts_bin_realloc_fnf(oldbin, size); - if (!newbin) { - return 0; - } - newbin->orig_size = size; - bin->ref_bin = newbin; - bin->data = (unsigned char*) newbin->orig_bytes; - bin->size = size; + if (bin->ref_bin != NULL) { + Binary* oldbin; + Binary* newbin; + + oldbin = (Binary*) bin->ref_bin; + newbin = (Binary *) erts_bin_realloc_fnf(oldbin, size); + if (!newbin) { + return 0; + } + newbin->orig_size = size; + bin->ref_bin = newbin; + bin->data = (unsigned char*) newbin->orig_bytes; + bin->size = size; + } + else { + unsigned char* old_data = bin->data; + unsigned cpy_sz = (size < bin->size ? size : bin->size); + enif_alloc_binary(env, size, bin); + sys_memcpy(bin->data, old_data, cpy_sz); + } return 1; } void enif_release_binary(ErlNifEnv* env, ErlNifBinary* bin) { - if (bin->ref_bin == NULL) { - erts_free_aligned_binary_bytes(bin->tmp_alloc); - } - else { + if (bin->ref_bin != NULL) { Binary* refbin = bin->ref_bin; - ASSERT(bin->tmp_alloc == NULL); ASSERT(bin->bin_term == THE_NON_VALUE); if (erts_refc_dectest(&refbin->refc, 0) == 0) { erts_bin_free(refbin); } } #ifdef DEBUG + bin->data = NULL; bin->bin_term = THE_NON_VALUE; - bin->tmp_alloc = NULL; bin->ref_bin = NULL; #endif } @@ -208,7 +367,7 @@ int enif_compare(ErlNifEnv* env, Eterm lhs, Eterm rhs) return cmp(lhs,rhs); } -int enif_get_tuple(ErlNifEnv* env, Eterm tpl, int* arity, Eterm** array) +int enif_get_tuple(ErlNifEnv* env, Eterm tpl, int* arity, const Eterm** array) { Eterm* ptr; if (is_not_tuple(tpl)) { @@ -220,16 +379,47 @@ int enif_get_tuple(ErlNifEnv* env, Eterm tpl, int* arity, Eterm** array) return 1; } +int enif_get_string(ErlNifEnv *env, ERL_NIF_TERM list, char* buf, unsigned len, + ErlNifCharEncoding encoding) +{ + Eterm* listptr; + int n = 0; + + ASSERT(encoding == ERL_NIF_LATIN1); + if (len < 1) { + return 0; + } + while (is_not_nil(list)) { + if (is_not_list(list)) { + buf[n] = '\0'; + return 0; + } + listptr = list_val(list); + + if (!is_byte(*listptr)) { + buf[n] = '\0'; + return 0; + } + buf[n++] = unsigned_val(*listptr); + if (n >= len) { + buf[n-1] = '\0'; /* truncate */ + return -len; + } + list = CDR(listptr); + } + buf[n] = '\0'; + return n + 1; +} + Eterm enif_make_binary(ErlNifEnv* env, ErlNifBinary* bin) { - if (bin->ref_bin == NULL) { - erts_free_aligned_binary_bytes(bin->tmp_alloc); + if (bin->bin_term != THE_NON_VALUE) { return bin->bin_term; } - else { + else if (bin->ref_bin != NULL) { Binary* bptr = bin->ref_bin; ProcBin* pb; - ASSERT(bin->tmp_alloc == NULL); + Eterm bin_term; /* !! Copy-paste from new_binary() !! */ pb = (ProcBin *) alloc_heap(env, PROC_BIN_SIZE); @@ -242,15 +432,67 @@ Eterm enif_make_binary(ErlNifEnv* env, ErlNifBinary* bin) pb->flags = 0; MSO(env->proc).overhead += pb->size / sizeof(Eterm); - return make_binary(pb); + bin_term = make_binary(pb); + if (erts_refc_read(&bptr->refc, 1) == 1) { + /* Total ownership transfer */ + bin->ref_bin = NULL; + bin->bin_term = bin_term; + } + return bin_term; + } + else { + enable_halloc(env); + bin->bin_term = new_binary(env->proc, bin->data, bin->size); + disable_halloc(env); + return bin->bin_term; } } +Eterm enif_make_sub_binary(ErlNifEnv* env, ERL_NIF_TERM bin_term, + unsigned pos, unsigned size) +{ + ErlSubBin* sb; + Eterm orig; + Uint offset, bit_offset, bit_size; + unsigned src_size; + + ASSERT(is_binary(bin_term)); + src_size = binary_size(bin_term); + ASSERT(pos <= src_size); + ASSERT(size <= src_size); + ASSERT(pos + size <= src_size); + sb = (ErlSubBin*) alloc_heap(env, ERL_SUB_BIN_SIZE); + ERTS_GET_REAL_BIN(bin_term, orig, offset, bit_offset, bit_size); + sb->thing_word = HEADER_SUB_BIN; + sb->size = size; + sb->offs = offset + pos; + sb->orig = orig; + sb->bitoffs = bit_offset; + sb->bitsize = 0; + sb->is_writable = 0; + return make_binary(sb); +} + + Eterm enif_make_badarg(ErlNifEnv* env) { BIF_ERROR(env->proc, BADARG); } +int enif_get_atom(ErlNifEnv* env, Eterm atom, char* buf, unsigned len) +{ + Atom* ap; + if (is_not_atom(atom)) { + return 0; + } + ap = atom_tab(atom_val(atom)); + if (ap->len+1 > len) { + return 0; + } + sys_memcpy(buf, ap->name, ap->len); + buf[ap->len] = '\0'; + return ap->len + 1; +} int enif_get_int(ErlNifEnv* env, Eterm term, int* ip) { @@ -268,6 +510,29 @@ int enif_get_int(ErlNifEnv* env, Eterm term, int* ip) #endif } +int enif_get_uint(ErlNifEnv* env, Eterm term, unsigned* ip) +{ +#if SIZEOF_INT == SIZEOF_VOID_P + return term_to_Uint(term, (Uint*)ip); +#elif SIZEOF_LONG == SIZEOF_VOID_P + Uint i; + if (!term_to_Uint(term, &i) || i > UINT_MAX) { + return 0; + } + *ip = (unsigned) i; + return 1; +#endif +} + +int enif_get_long(ErlNifEnv* env, Eterm term, long* ip) +{ +#if SIZEOF_LONG == SIZEOF_VOID_P + return term_to_Sint(term, ip); +#else +# error Unknown long word size +#endif +} + int enif_get_ulong(ErlNifEnv* env, Eterm term, unsigned long* ip) { #if SIZEOF_LONG == SIZEOF_VOID_P @@ -307,18 +572,26 @@ ERL_NIF_TERM enif_make_int(ErlNifEnv* env, int i) #endif } -ERL_NIF_TERM enif_make_ulong(ErlNifEnv* env, unsigned long i) +ERL_NIF_TERM enif_make_uint(ErlNifEnv* env, unsigned i) { -#if SIZEOF_LONG == SIZEOF_VOID_P - Eterm* hp; - Uint sz = 0; - erts_bld_uint(NULL, &sz, i); - hp = alloc_heap(env,sz); - return erts_bld_uint(&hp, NULL, i); -#else +#if SIZEOF_INT == SIZEOF_VOID_P + return IS_USMALL(0,i) ? make_small(i) : uint_to_big(i,alloc_heap(env,2)); +#elif SIZEOF_LONG == SIZEOF_VOID_P + return make_small(i); +#endif +} + +ERL_NIF_TERM enif_make_long(ErlNifEnv* env, long i) +{ +#if SIZEOF_LONG != SIZEOF_VOID_P # error Unknown long word size #endif + return IS_SSMALL(i) ? make_small(i) : small_to_big(i, alloc_heap(env,2)); +} +ERL_NIF_TERM enif_make_ulong(ErlNifEnv* env, unsigned long i) +{ + return IS_USMALL(0,i) ? make_small(i) : uint_to_big(i,alloc_heap(env,2)); } ERL_NIF_TERM enif_make_double(ErlNifEnv* env, double d) @@ -355,6 +628,19 @@ ERL_NIF_TERM enif_make_tuple(ErlNifEnv* env, unsigned cnt, ...) return ret; } +ERL_NIF_TERM enif_make_tuple_from_array(ErlNifEnv* env, const ERL_NIF_TERM arr[], unsigned cnt) +{ + Eterm* hp = alloc_heap(env,cnt+1); + Eterm ret = make_tuple(hp); + const Eterm* src = arr; + + *hp++ = make_arityval(cnt); + while (cnt--) { + *hp++ = *src++; + } + return ret; +} + ERL_NIF_TERM enif_make_list_cell(ErlNifEnv* env, Eterm car, Eterm cdr) { Eterm* hp = alloc_heap(env,2); @@ -384,10 +670,29 @@ ERL_NIF_TERM enif_make_list(ErlNifEnv* env, unsigned cnt, ...) return ret; } -ERL_NIF_TERM enif_make_string(ErlNifEnv* env, const char* string) +ERL_NIF_TERM enif_make_list_from_array(ErlNifEnv* env, const ERL_NIF_TERM arr[], unsigned cnt) +{ + Eterm* hp = alloc_heap(env,cnt*2); + Eterm ret = make_list(hp); + Eterm* last = &ret; + const Eterm* src = arr; + + while (cnt--) { + *last = make_list(hp); + *hp = *src++; + last = ++hp; + ++hp; + } + *last = NIL; + return ret; +} + +ERL_NIF_TERM enif_make_string(ErlNifEnv* env, const char* string, + ErlNifCharEncoding encoding) { Sint n = sys_strlen(string); Eterm* hp = alloc_heap(env,n*2); + ASSERT(encoding == ERL_NIF_LATIN1); return erts_bld_string_n(&hp,NULL,string,n); } @@ -397,32 +702,265 @@ ERL_NIF_TERM enif_make_ref(ErlNifEnv* env) return erts_make_ref_in_buffer(hp); } -#if 0 /* To be continued... */ -typedef struct enif_handle_type_t +void enif_system_info(ErlNifSysInfo *sip, size_t si_size) { - struct enif_handle_type_t* next; - struct enif_handle_type_t* prev; - const char* name; - void (*dtor)(void* obj); - erts_smp_atomic_t ref_cnt; /* num of handles of this type */ -}ErlNifHandleType; + driver_system_info(sip, si_size); +} -ErlNifHandleType* -enif_create_handle_type(ErlNifEnv* env, const char* type_name, - void (*dtor)(void *)) + +ErlNifMutex* enif_mutex_create(char *name) { return erl_drv_mutex_create(name); } +void enif_mutex_destroy(ErlNifMutex *mtx) { erl_drv_mutex_destroy(mtx); } +int enif_mutex_trylock(ErlNifMutex *mtx) { return erl_drv_mutex_trylock(mtx); } +void enif_mutex_lock(ErlNifMutex *mtx) { erl_drv_mutex_lock(mtx); } +void enif_mutex_unlock(ErlNifMutex *mtx) { erl_drv_mutex_unlock(mtx); } +ErlNifCond* enif_cond_create(char *name) { return erl_drv_cond_create(name); } +void enif_cond_destroy(ErlNifCond *cnd) { erl_drv_cond_destroy(cnd); } +void enif_cond_signal(ErlNifCond *cnd) { erl_drv_cond_signal(cnd); } +void enif_cond_broadcast(ErlNifCond *cnd) { erl_drv_cond_broadcast(cnd); } +void enif_cond_wait(ErlNifCond *cnd, ErlNifMutex *mtx) { erl_drv_cond_wait(cnd,mtx); } +ErlNifRWLock* enif_rwlock_create(char *name) { return erl_drv_rwlock_create(name); } +void enif_rwlock_destroy(ErlNifRWLock *rwlck) { erl_drv_rwlock_destroy(rwlck); } +int enif_rwlock_tryrlock(ErlNifRWLock *rwlck) { return erl_drv_rwlock_tryrlock(rwlck); } +void enif_rwlock_rlock(ErlNifRWLock *rwlck) { erl_drv_rwlock_rlock(rwlck); } +void enif_rwlock_runlock(ErlNifRWLock *rwlck) { erl_drv_rwlock_runlock(rwlck); } +int enif_rwlock_tryrwlock(ErlNifRWLock *rwlck) { return erl_drv_rwlock_tryrwlock(rwlck); } +void enif_rwlock_rwlock(ErlNifRWLock *rwlck) { erl_drv_rwlock_rwlock(rwlck); } +void enif_rwlock_rwunlock(ErlNifRWLock *rwlck) { erl_drv_rwlock_rwunlock(rwlck); } +int enif_tsd_key_create(char *name, ErlNifTSDKey *key) { return erl_drv_tsd_key_create(name,key); } +void enif_tsd_key_destroy(ErlNifTSDKey key) { erl_drv_tsd_key_destroy(key); } +void enif_tsd_set(ErlNifTSDKey key, void *data) { erl_drv_tsd_set(key,data); } +void* enif_tsd_get(ErlNifTSDKey key) { return erl_drv_tsd_get(key); } +ErlNifThreadOpts* enif_thread_opts_create(char *name) { return (ErlNifThreadOpts*) erl_drv_thread_opts_create(name); } +void enif_thread_opts_destroy(ErlNifThreadOpts *opts) { erl_drv_thread_opts_destroy((ErlDrvThreadOpts*)opts); } +int enif_thread_create(char *name, ErlNifTid *tid, void* (*func)(void *), + void *args, ErlNifThreadOpts *opts) { + return erl_drv_thread_create(name,tid,func,args,(ErlDrvThreadOpts*)opts); +} +ErlNifTid enif_thread_self(void) { return erl_drv_thread_self(); } +int enif_equal_tids(ErlNifTid tid1, ErlNifTid tid2) { return erl_drv_equal_tids(tid1,tid2); } +void enif_thread_exit(void *resp) { erl_drv_thread_exit(resp); } +int enif_thread_join(ErlNifTid tid, void **respp) { return erl_drv_thread_join(tid,respp); } + +int enif_fprintf(void* filep, const char* format, ...) +{ + int ret; + va_list arglist; + va_start(arglist, format); + ret = erts_vfprintf((FILE*)filep, format, arglist); + va_end(arglist); + return ret; +} + +/*********************************************************** + ** Memory managed (GC'ed) "resource" objects ** + ***********************************************************/ + + +struct enif_resource_type_t { + struct enif_resource_type_t* next; /* list of all resource types */ + struct enif_resource_type_t* prev; + struct erl_module_nif* owner; /* that created this type and thus implements the destructor*/ + ErlNifResourceDtor* dtor; /* user destructor function */ + erts_refc_t refc; /* num of resources of this type (HOTSPOT warning) + +1 for active erl_module_nif */ + char name[1]; +}; + +/* dummy node in circular list */ +struct enif_resource_type_t resource_type_list; + +typedef struct enif_resource_t +{ + struct enif_resource_type_t* type; +#ifdef DEBUG + erts_refc_t nif_refc; +#endif + char data[1]; +}ErlNifResource; + +#define SIZEOF_ErlNifResource(SIZE) (offsetof(ErlNifResource,data) + (SIZE)) +#define DATA_TO_RESOURCE(PTR) ((ErlNifResource*)((char*)(PTR) - offsetof(ErlNifResource,data))) +static ErlNifResourceType* find_resource_type(const char* name) +{ + ErlNifResourceType* type; + for (type = resource_type_list.next; + type != &resource_type_list; + type = type->next) { + + if (sys_strcmp(type->name, name) == 0) { + return type; + } + } + return NULL; +} + +#define in_area(ptr,start,nbytes) \ + ((unsigned long)((char*)(ptr) - (char*)(start)) < (nbytes)) + + +static void close_lib(struct erl_module_nif* lib) +{ + ASSERT(lib != NULL); + ASSERT(lib->handle != NULL); + ASSERT(erts_refc_read(&lib->rt_dtor_cnt,0) == 0); + + if (lib->entry != NULL && lib->entry->unload != NULL) { + ErlNifEnv env; + pre_nif_noproc(&env, lib); + lib->entry->unload(&env, lib->priv_data); + post_nif_noproc(&env); + } + erts_sys_ddll_close(lib->handle); + lib->handle = NULL; } -ERL_NIF_TERM enif_make_handle(ErlNifEnv* env, ErlNifHandleType* htype, void* obj) +static void steal_resource_type(ErlNifResourceType* type) { + struct erl_module_nif* lib = type->owner; + + if (type->dtor != NULL + && erts_refc_dectest(&lib->rt_dtor_cnt, 0) == 0 + && lib->is_orphan) { + /* last type with destructor gone, close orphan lib */ + close_lib(lib); + } + if (erts_refc_dectest(&lib->rt_cnt, 0) == 0 + && lib->is_orphan) { + erts_free(ERTS_ALC_T_NIF, lib); + } } -int enif_get_handle(ErlNifEnv* env, ERL_NIF_TERM term, void** objp) +ErlNifResourceType* +enif_open_resource_type(ErlNifEnv* env, const char* type_name, + ErlNifResourceDtor* dtor, + enum ErlNifResourceFlags flags, + enum ErlNifResourceFlags* tried) { + ErlNifResourceType* type = find_resource_type(type_name); + enum ErlNifResourceFlags op = flags; + ASSERT(erts_smp_is_system_blocked(0)); + if (type == NULL) { + if (flags & ERL_NIF_RT_CREATE) { + type = erts_alloc(ERTS_ALC_T_NIF, + sizeof(struct enif_resource_type_t) + + sys_strlen(type_name)); + type->dtor = dtor; + sys_strcpy(type->name, type_name); + erts_refc_init(&type->refc, 1); + type->owner = env->mod_nif; + type->prev = &resource_type_list; + type->next = resource_type_list.next; + type->next->prev = type; + type->prev->next = type; + op = ERL_NIF_RT_CREATE; + } + } + else { + if (flags & ERL_NIF_RT_TAKEOVER) { + steal_resource_type(type); + op = ERL_NIF_RT_TAKEOVER; + } + else { + type = NULL; + } + } + if (type != NULL) { + type->owner = env->mod_nif; + type->dtor = dtor; + if (type->dtor != NULL) { + erts_refc_inc(&type->owner->rt_dtor_cnt, 1); + } + erts_refc_inc(&type->owner->rt_cnt, 1); + } + if (tried != NULL) { + *tried = op; + } + return type; +} + +static void nif_resource_dtor(Binary* bin) +{ + ErlNifResource* resource = (ErlNifResource*) ERTS_MAGIC_BIN_DATA(bin); + ErlNifResourceType* type = resource->type; + ASSERT(ERTS_MAGIC_BIN_DESTRUCTOR(bin) == &nif_resource_dtor); + + if (type->dtor != NULL) { + ErlNifEnv env; + pre_nif_noproc(&env, type->owner); + type->dtor(&env,resource->data); + post_nif_noproc(&env); + } + if (erts_refc_dectest(&type->refc, 0) == 0) { + ASSERT(type->next == NULL); + ASSERT(type->owner != NULL); + ASSERT(type->owner->is_orphan); + steal_resource_type(type); + erts_free(ERTS_ALC_T_NIF, type); + } } + +void* enif_alloc_resource(ErlNifEnv* env, ErlNifResourceType* type, unsigned size) +{ + Binary* bin = erts_create_magic_binary(SIZEOF_ErlNifResource(size), &nif_resource_dtor); + ErlNifResource* resource = ERTS_MAGIC_BIN_DATA(bin); + resource->type = type; + erts_refc_inc(&bin->refc, 1); +#ifdef DEBUG + erts_refc_init(&resource->nif_refc, 1); +#endif + erts_refc_inc(&resource->type->refc, 2); + return resource->data; +} + +void enif_release_resource(ErlNifEnv* env, void* obj) +{ + ErlNifResource* resource = DATA_TO_RESOURCE(obj); + ErtsBinary* bin = ERTS_MAGIC_BIN_FROM_DATA(resource); + + ASSERT(ERTS_MAGIC_BIN_DESTRUCTOR(bin) == &nif_resource_dtor); +#ifdef DEBUG + erts_refc_dec(&resource->nif_refc, 0); #endif + if (erts_refc_dectest(&bin->binary.refc, 0) == 0) { + erts_bin_free(&bin->binary); + } +} + +ERL_NIF_TERM enif_make_resource(ErlNifEnv* env, void* obj) +{ + ErlNifResource* resource = DATA_TO_RESOURCE(obj); + ErtsBinary* bin = ERTS_MAGIC_BIN_FROM_DATA(resource); + Eterm* hp = alloc_heap(env,PROC_BIN_SIZE); + return erts_mk_magic_binary_term(&hp, &MSO(env->proc), &bin->binary); +} + +int enif_get_resource(ErlNifEnv* env, ERL_NIF_TERM term, ErlNifResourceType* type, + void** objp) +{ + Binary* mbin; + ErlNifResource* resource; + if (!ERTS_TERM_IS_MAGIC_BINARY(term)) { + return 0; + } + mbin = ((ProcBin*) binary_val(term))->val; + resource = (ErlNifResource*) ERTS_MAGIC_BIN_DATA(mbin); + if (ERTS_MAGIC_BIN_DESTRUCTOR(mbin) != &nif_resource_dtor + || resource->type != type) { + return 0; + } + *objp = resource->data; + return 1; +} + +unsigned enif_sizeof_resource(ErlNifEnv* env, void* obj) +{ + ErlNifResource* resource = DATA_TO_RESOURCE(obj); + Binary* bin = &ERTS_MAGIC_BIN_FROM_DATA(resource)->binary; + return ERTS_MAGIC_BIN_DATA_SIZE(bin) - offsetof(ErlNifResource,data); +} /*************************************************************************** ** load_nif/2 ** @@ -445,10 +983,7 @@ static Uint** get_func_pp(Eterm* mod_code, Eterm f_atom, unsigned arity) return NULL; } -#define in_area(ptr,start,nbytes) \ - ((unsigned long)((char*)(ptr) - (char*)(start)) < (nbytes)) - -static void refresh_cached_nif_data(Eterm* mod_code, +/*static void refresh_cached_nif_data(Eterm* mod_code, struct erl_module_nif* mod_nif) { int i; @@ -459,9 +994,9 @@ static void refresh_cached_nif_data(Eterm* mod_code, erts_atom_get(func->name, sys_strlen(func->name), &f_atom); code_ptr = *get_func_pp(mod_code, f_atom, func->arity); - code_ptr[5+2] = (Uint) mod_nif->data; + code_ptr[5+2] = (Uint) mod_nif->priv_data; } -} +}*/ static Eterm mkatom(const char *str) { @@ -567,6 +1102,7 @@ BIF_RETTYPE load_nif_2(BIF_ALIST_2) ErtsSysDdllError errdesc = ERTS_SYS_DDLL_ERROR_INIT; Eterm ret = am_ok; int veto; + struct erl_module_nif* lib = NULL; len = intlist_to_buf(BIF_ARG_1, lib_name, sizeof(lib_name)-1); if (len < 1) { @@ -652,16 +1188,27 @@ BIF_RETTYPE load_nif_2(BIF_ALIST_2) /* Call load, reload or upgrade: */ - if (mod->nif.handle != NULL) { /* Reload */ + + + lib = erts_alloc(ERTS_ALC_T_NIF, sizeof(struct erl_module_nif)); + lib->handle = handle; + lib->entry = entry; + erts_refc_init(&lib->rt_cnt, 0); + erts_refc_init(&lib->rt_dtor_cnt, 0); + lib->is_orphan = 0; + env.mod_nif = lib; + if (mod->nif != NULL) { /* Reload */ int k; - ASSERT(mod->nif.entry != NULL); + lib->priv_data = mod->nif->priv_data; + + ASSERT(mod->nif->entry != NULL); if (entry->reload == NULL) { ret = load_nif_error(BIF_P,reload,"Reload not supported by this NIF library."); goto error; } /* Check that no NIF is removed */ - for (k=0; k < mod->nif.entry->num_of_funcs; k++) { - ErlNifFunc* old_func = &mod->nif.entry->funcs[k]; + for (k=0; k < mod->nif->entry->num_of_funcs; k++) { + ErlNifFunc* old_func = &mod->nif->entry->funcs[k]; for (i=0; i < entry->num_of_funcs; i++) { if (old_func->arity == entry->funcs[i].arity && sys_strcmp(old_func->name, entry->funcs[i].name) == 0) { @@ -675,37 +1222,39 @@ BIF_RETTYPE load_nif_2(BIF_ALIST_2) goto error; } } - erts_pre_nif(&env, BIF_P, mod->nif.data); - veto = entry->reload(&env, &env.nif_data, BIF_ARG_2); + erts_pre_nif(&env, BIF_P, lib); + veto = entry->reload(&env, &lib->priv_data, BIF_ARG_2); erts_post_nif(&env); if (veto) { ret = load_nif_error(BIF_P, reload, "Library reload-call unsuccessful."); } else { - erts_sys_ddll_close(mod->nif.handle); + mod->nif->entry = NULL; /* to prevent 'unload' callback */ + erts_unload_nif(mod->nif); } } else { - if (mod->old_nif.handle != NULL) { /* Upgrade */ - void* prev_old_data = mod->old_nif.data; + lib->priv_data = NULL; + if (mod->old_nif != NULL) { /* Upgrade */ + void* prev_old_data = mod->old_nif->priv_data; if (entry->upgrade == NULL) { ret = load_nif_error(BIF_P, upgrade, "Upgrade not supported by this NIF library."); goto error; } - erts_pre_nif(&env, BIF_P, NULL); - veto = entry->upgrade(&env, &env.nif_data, &mod->old_nif.data, BIF_ARG_2); + erts_pre_nif(&env, BIF_P, lib); + veto = entry->upgrade(&env, &lib->priv_data, &mod->old_nif->priv_data, BIF_ARG_2); erts_post_nif(&env); if (veto) { - mod->old_nif.data = prev_old_data; + mod->old_nif->priv_data = prev_old_data; ret = load_nif_error(BIF_P, upgrade, "Library upgrade-call unsuccessful."); } - else if (mod->old_nif.data != prev_old_data) { - refresh_cached_nif_data(mod->old_code, &mod->old_nif); - } + /*else if (mod->old_nif->priv_data != prev_old_data) { + refresh_cached_nif_data(mod->old_code, mod->old_nif); + }*/ } else if (entry->load != NULL) { /* Initial load */ - erts_pre_nif(&env, BIF_P, NULL); - veto = entry->load(&env, &env.nif_data, BIF_ARG_2); + erts_pre_nif(&env, BIF_P, lib); + veto = entry->load(&env, &lib->priv_data, BIF_ARG_2); erts_post_nif(&env); if (veto) { ret = load_nif_error(BIF_P, "load", "Library load-call unsuccessful."); @@ -716,9 +1265,7 @@ BIF_RETTYPE load_nif_2(BIF_ALIST_2) /* ** Everything ok, patch the beam code with op_call_nif */ - mod->nif.data = env.nif_data; - mod->nif.handle = handle; - mod->nif.entry = entry; + mod->nif = lib; for (i=0; i < entry->num_of_funcs; i++) { Uint* code_ptr; @@ -727,17 +1274,21 @@ BIF_RETTYPE load_nif_2(BIF_ALIST_2) if (code_ptr[1] == 0) { code_ptr[5+0] = (Uint) BeamOp(op_call_nif); - } else { /* Function traced, patch the original instruction word */ + } + else { /* Function traced, patch the original instruction word */ BpData* bp = (BpData*) code_ptr[1]; bp->orig_instr = (Uint) BeamOp(op_call_nif); } code_ptr[5+1] = (Uint) entry->funcs[i].fptr; - code_ptr[5+2] = (Uint) mod->nif.data; + code_ptr[5+2] = (Uint) lib; } } else { error: ASSERT(ret != am_ok); + if (lib != NULL) { + erts_free(ERTS_ALC_T_NIF, lib); + } if (handle != NULL) { erts_sys_ddll_close(handle); } @@ -749,3 +1300,53 @@ BIF_RETTYPE load_nif_2(BIF_ALIST_2) BIF_RET(ret); } + +void +erts_unload_nif(struct erl_module_nif* lib) +{ + ErlNifResourceType* rt; + ErlNifResourceType* next; + ASSERT(erts_smp_is_system_blocked(0)); + ASSERT(lib != NULL); + ASSERT(!lib->is_orphan); + for (rt = resource_type_list.next; + rt != &resource_type_list; + rt = next) { + + next = rt->next; + if (rt->owner == lib) { + rt->next->prev = rt->prev; + rt->prev->next = rt->next; + rt->next = NULL; + rt->prev = NULL; + if (erts_refc_dectest(&rt->refc, 0) == 0) { + if (rt->dtor != NULL) { + erts_refc_dec(&lib->rt_dtor_cnt, 0); + } + erts_refc_dec(&lib->rt_cnt, 0); + erts_free(ERTS_ALC_T_NIF, rt); + } + } + } + if (erts_refc_read(&lib->rt_dtor_cnt, 0) == 0) { + close_lib(lib); + if (erts_refc_read(&lib->rt_cnt, 0) == 0) { + erts_free(ERTS_ALC_T_NIF, lib); + return; + } + } + else { + ASSERT(erts_refc_read(&lib->rt_cnt, 1) > 0); + } + lib->is_orphan = 1; +} + +void erl_nif_init() +{ + resource_type_list.next = &resource_type_list; + resource_type_list.prev = &resource_type_list; + resource_type_list.dtor = NULL; + resource_type_list.owner = NULL; + resource_type_list.name[0] = '\0'; +} + diff --git a/erts/emulator/beam/erl_nif.h b/erts/emulator/beam/erl_nif.h index e5e6d65c0e..1ccf00293e 100644 --- a/erts/emulator/beam/erl_nif.h +++ b/erts/emulator/beam/erl_nif.h @@ -1,25 +1,30 @@ /* * %CopyrightBegin% - * - * Copyright Ericsson AB 2009. All Rights Reserved. - * + * + * Copyright Ericsson AB 2009-2010. 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 * compliance with the License. You should have received a copy of the * Erlang Public License along with this software. If not, it can be * retrieved online at http://www.erlang.org/. - * + * * Software distributed under the License is distributed on an "AS IS" * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See * the License for the specific language governing rights and limitations * under the License. - * + * * %CopyrightEnd% */ /* Include file for writers of Native Implemented Functions. */ +#ifndef __ERL_NIF_H__ +#define __ERL_NIF_H__ + +#include "erl_drv_nif.h" + /* Version history: ** 0.1: R13B03 ** 1.0: R13B04 @@ -63,11 +68,32 @@ typedef struct /* Internals (avert your eyes) */ ERL_NIF_TERM bin_term; - unsigned char* tmp_alloc; void* ref_bin; - }ErlNifBinary; +typedef struct enif_resource_type_t ErlNifResourceType; +typedef void ErlNifResourceDtor(ErlNifEnv*, void*); +enum ErlNifResourceFlags +{ + ERL_NIF_RT_CREATE = 1, + ERL_NIF_RT_TAKEOVER = 2 +}; + +typedef enum +{ + ERL_NIF_LATIN1 = 1 +}ErlNifCharEncoding; + +typedef ErlDrvSysInfo ErlNifSysInfo; + +typedef struct ErlDrvTid_ *ErlNifTid; +typedef struct ErlDrvMutex_ ErlNifMutex; +typedef struct ErlDrvCond_ ErlNifCond; +typedef struct ErlDrvRWLock_ ErlNifRWLock; +typedef int ErlNifTSDKey; + +typedef ErlDrvThreadOpts ErlNifThreadOpts; + #if (defined(__WIN32__) || defined(_WIN32) || defined(_WIN32_)) # define ERL_NIF_API_FUNC_DECL(RET_TYPE, NAME, ARGS) RET_TYPE (*NAME) ARGS typedef struct { @@ -124,3 +150,5 @@ ERL_NIF_INIT_DECL(NAME) \ return &entry; \ } +#endif /* __ERL_NIF_H__ */ + diff --git a/erts/emulator/beam/erl_nif_api_funcs.h b/erts/emulator/beam/erl_nif_api_funcs.h index 7556806ce4..ec07a976b2 100644 --- a/erts/emulator/beam/erl_nif_api_funcs.h +++ b/erts/emulator/beam/erl_nif_api_funcs.h @@ -1,19 +1,19 @@ /* * %CopyrightBegin% - * - * Copyright Ericsson AB 2009. All Rights Reserved. - * + * + * Copyright Ericsson AB 2009-2010. 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 * compliance with the License. You should have received a copy of the * Erlang Public License along with this software. If not, it can be * retrieved online at http://www.erlang.org/. - * + * * Software distributed under the License is distributed on an "AS IS" * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See * the License for the specific language governing rights and limitations * under the License. - * + * * %CopyrightEnd% */ @@ -22,7 +22,7 @@ #endif #ifdef ERL_NIF_API_FUNC_DECL -ERL_NIF_API_FUNC_DECL(void*,enif_get_data,(ErlNifEnv*)); +ERL_NIF_API_FUNC_DECL(void*,enif_priv_data,(ErlNifEnv*)); ERL_NIF_API_FUNC_DECL(void*,enif_alloc,(ErlNifEnv*, size_t size)); ERL_NIF_API_FUNC_DECL(void,enif_free,(ErlNifEnv*, void* ptr)); ERL_NIF_API_FUNC_DECL(int,enif_is_atom,(ErlNifEnv*, ERL_NIF_TERM term)); @@ -36,7 +36,7 @@ ERL_NIF_API_FUNC_DECL(int,enif_get_int,(ErlNifEnv*, ERL_NIF_TERM term, int* ip)) ERL_NIF_API_FUNC_DECL(int,enif_get_ulong,(ErlNifEnv*, ERL_NIF_TERM term, unsigned long* ip)); ERL_NIF_API_FUNC_DECL(int,enif_get_double,(ErlNifEnv*, ERL_NIF_TERM term, double* dp)); ERL_NIF_API_FUNC_DECL(int,enif_get_list_cell,(ErlNifEnv* env, ERL_NIF_TERM term, ERL_NIF_TERM* head, ERL_NIF_TERM* tail)); -ERL_NIF_API_FUNC_DECL(int,enif_get_tuple,(ErlNifEnv* env, ERL_NIF_TERM tpl, int* arity, ERL_NIF_TERM** array)); +ERL_NIF_API_FUNC_DECL(int,enif_get_tuple,(ErlNifEnv* env, ERL_NIF_TERM tpl, int* arity, const ERL_NIF_TERM** array)); ERL_NIF_API_FUNC_DECL(int,enif_is_identical,(ErlNifEnv* env, ERL_NIF_TERM lhs, ERL_NIF_TERM rhs)); ERL_NIF_API_FUNC_DECL(int,enif_compare,(ErlNifEnv* env, ERL_NIF_TERM lhs, ERL_NIF_TERM rhs)); ERL_NIF_API_FUNC_DECL(ERL_NIF_TERM,enif_make_binary,(ErlNifEnv* env, ErlNifBinary* bin)); @@ -49,15 +49,69 @@ ERL_NIF_API_FUNC_DECL(int,enif_make_existing_atom,(ErlNifEnv* env, const char* n ERL_NIF_API_FUNC_DECL(ERL_NIF_TERM,enif_make_tuple,(ErlNifEnv* env, unsigned cnt, ...)); ERL_NIF_API_FUNC_DECL(ERL_NIF_TERM,enif_make_list,(ErlNifEnv* env, unsigned cnt, ...)); ERL_NIF_API_FUNC_DECL(ERL_NIF_TERM,enif_make_list_cell,(ErlNifEnv* env, ERL_NIF_TERM car, ERL_NIF_TERM cdr)); -ERL_NIF_API_FUNC_DECL(ERL_NIF_TERM,enif_make_string,(ErlNifEnv* env, const char* string)); +ERL_NIF_API_FUNC_DECL(ERL_NIF_TERM,enif_make_string,(ErlNifEnv* env, const char* string, ErlNifCharEncoding)); ERL_NIF_API_FUNC_DECL(ERL_NIF_TERM,enif_make_ref,(ErlNifEnv* env)); + +ERL_NIF_API_FUNC_DECL(ErlNifMutex*,enif_mutex_create,(char *name)); +ERL_NIF_API_FUNC_DECL(void,enif_mutex_destroy,(ErlNifMutex *mtx)); +ERL_NIF_API_FUNC_DECL(int,enif_mutex_trylock,(ErlNifMutex *mtx)); +ERL_NIF_API_FUNC_DECL(void,enif_mutex_lock,(ErlNifMutex *mtx)); +ERL_NIF_API_FUNC_DECL(void,enif_mutex_unlock,(ErlNifMutex *mtx)); +ERL_NIF_API_FUNC_DECL(ErlNifCond*,enif_cond_create,(char *name)); +ERL_NIF_API_FUNC_DECL(void,enif_cond_destroy,(ErlNifCond *cnd)); +ERL_NIF_API_FUNC_DECL(void,enif_cond_signal,(ErlNifCond *cnd)); +ERL_NIF_API_FUNC_DECL(void,enif_cond_broadcast,(ErlNifCond *cnd)); +ERL_NIF_API_FUNC_DECL(void,enif_cond_wait,(ErlNifCond *cnd, ErlNifMutex *mtx)); +ERL_NIF_API_FUNC_DECL(ErlNifRWLock*,enif_rwlock_create,(char *name)); +ERL_NIF_API_FUNC_DECL(void,enif_rwlock_destroy,(ErlNifRWLock *rwlck)); +ERL_NIF_API_FUNC_DECL(int,enif_rwlock_tryrlock,(ErlNifRWLock *rwlck)); +ERL_NIF_API_FUNC_DECL(void,enif_rwlock_rlock,(ErlNifRWLock *rwlck)); +ERL_NIF_API_FUNC_DECL(void,enif_rwlock_runlock,(ErlNifRWLock *rwlck)); +ERL_NIF_API_FUNC_DECL(int,enif_rwlock_tryrwlock,(ErlNifRWLock *rwlck)); +ERL_NIF_API_FUNC_DECL(void,enif_rwlock_rwlock,(ErlNifRWLock *rwlck)); +ERL_NIF_API_FUNC_DECL(void,enif_rwlock_rwunlock,(ErlNifRWLock *rwlck)); +ERL_NIF_API_FUNC_DECL(int,enif_tsd_key_create,(char *name, ErlNifTSDKey *key)); +ERL_NIF_API_FUNC_DECL(void,enif_tsd_key_destroy,(ErlNifTSDKey key)); +ERL_NIF_API_FUNC_DECL(void,enif_tsd_set,(ErlNifTSDKey key, void *data)); +ERL_NIF_API_FUNC_DECL(void*,enif_tsd_get,(ErlNifTSDKey key)); +ERL_NIF_API_FUNC_DECL(ErlNifThreadOpts*,enif_thread_opts_create,(char *name)); +ERL_NIF_API_FUNC_DECL(void,enif_thread_opts_destroy,(ErlNifThreadOpts *opts)); +ERL_NIF_API_FUNC_DECL(int,enif_thread_create,(char *name,ErlNifTid *tid,void * (*func)(void *),void *args,ErlNifThreadOpts *opts)); +ERL_NIF_API_FUNC_DECL(ErlNifTid,enif_thread_self,(void)); +ERL_NIF_API_FUNC_DECL(int,enif_equal_tids,(ErlNifTid tid1, ErlNifTid tid2)); +ERL_NIF_API_FUNC_DECL(void,enif_thread_exit,(void *resp)); +ERL_NIF_API_FUNC_DECL(int,enif_thread_join,(ErlNifTid, void **respp)); + +ERL_NIF_API_FUNC_DECL(void*,enif_realloc,(ErlNifEnv*, void* ptr, size_t size)); +ERL_NIF_API_FUNC_DECL(void,enif_system_info,(ErlNifSysInfo *sip, size_t si_size)); +ERL_NIF_API_FUNC_DECL(int,enif_fprintf,(void/* FILE* */ *filep, const char *format, ...)); +ERL_NIF_API_FUNC_DECL(int,enif_inspect_iolist_as_binary,(ErlNifEnv*, ERL_NIF_TERM term, ErlNifBinary* bin)); +ERL_NIF_API_FUNC_DECL(ERL_NIF_TERM,enif_make_sub_binary,(ErlNifEnv*, ERL_NIF_TERM bin_term, unsigned pos, unsigned size)); +ERL_NIF_API_FUNC_DECL(int,enif_get_string,(ErlNifEnv*, ERL_NIF_TERM list, char* buf, unsigned len, ErlNifCharEncoding)); +ERL_NIF_API_FUNC_DECL(int,enif_get_atom,(ErlNifEnv*, ERL_NIF_TERM atom, char* buf, unsigned len)); +ERL_NIF_API_FUNC_DECL(int,enif_is_fun,(ErlNifEnv*, ERL_NIF_TERM term)); +ERL_NIF_API_FUNC_DECL(int,enif_is_pid,(ErlNifEnv*, ERL_NIF_TERM term)); +ERL_NIF_API_FUNC_DECL(int,enif_is_port,(ErlNifEnv*, ERL_NIF_TERM term)); +ERL_NIF_API_FUNC_DECL(int,enif_get_uint,(ErlNifEnv*, ERL_NIF_TERM term, unsigned* ip)); +ERL_NIF_API_FUNC_DECL(int,enif_get_long,(ErlNifEnv*, ERL_NIF_TERM term, long* ip)); +ERL_NIF_API_FUNC_DECL(ERL_NIF_TERM,enif_make_uint,(ErlNifEnv*, unsigned i)); +ERL_NIF_API_FUNC_DECL(ERL_NIF_TERM,enif_make_long,(ErlNifEnv*, long i)); +ERL_NIF_API_FUNC_DECL(ERL_NIF_TERM,enif_make_tuple_from_array,(ErlNifEnv*, const ERL_NIF_TERM arr[], unsigned cnt)); +ERL_NIF_API_FUNC_DECL(ERL_NIF_TERM,enif_make_list_from_array,(ErlNifEnv*, const ERL_NIF_TERM arr[], unsigned cnt)); +ERL_NIF_API_FUNC_DECL(int,enif_is_empty_list,(ErlNifEnv*, ERL_NIF_TERM term)); +ERL_NIF_API_FUNC_DECL(ErlNifResourceType*,enif_open_resource_type,(ErlNifEnv*, const char* type_name, void (*dtor)(ErlNifEnv*,void *), enum ErlNifResourceFlags flags, enum ErlNifResourceFlags* tried)); +ERL_NIF_API_FUNC_DECL(void*,enif_alloc_resource,(ErlNifEnv*, ErlNifResourceType* type, unsigned size)); +ERL_NIF_API_FUNC_DECL(void,enif_release_resource,(ErlNifEnv*, void* obj)); +ERL_NIF_API_FUNC_DECL(ERL_NIF_TERM,enif_make_resource,(ErlNifEnv*, void* obj)); +ERL_NIF_API_FUNC_DECL(int,enif_get_resource,(ErlNifEnv*, ERL_NIF_TERM term, ErlNifResourceType* type, void** objp)); +ERL_NIF_API_FUNC_DECL(unsigned,enif_sizeof_resource,(ErlNifEnv*, void* obj)); /* ** Add last to keep compatibility on Windows!!! */ #endif #ifdef ERL_NIF_API_FUNC_MACRO -# define enif_get_data ERL_NIF_API_FUNC_MACRO(enif_get_data) +# define enif_priv_data ERL_NIF_API_FUNC_MACRO(enif_priv_data) # define enif_alloc ERL_NIF_API_FUNC_MACRO(enif_alloc) # define enif_free ERL_NIF_API_FUNC_MACRO(enif_free) # define enif_is_atom ERL_NIF_API_FUNC_MACRO(enif_is_atom) @@ -88,5 +142,84 @@ ERL_NIF_API_FUNC_DECL(ERL_NIF_TERM,enif_make_ref,(ErlNifEnv* env)); # define enif_make_string ERL_NIF_API_FUNC_MACRO(enif_make_string) # define enif_make_ref ERL_NIF_API_FUNC_MACRO(enif_make_ref) +# define enif_mutex_create ERL_NIF_API_FUNC_MACRO(enif_mutex_create) +# define enif_mutex_destroy ERL_NIF_API_FUNC_MACRO(enif_mutex_destroy) +# define enif_mutex_trylock ERL_NIF_API_FUNC_MACRO(enif_mutex_trylock) +# define enif_mutex_lock ERL_NIF_API_FUNC_MACRO(enif_mutex_lock) +# define enif_mutex_unlock ERL_NIF_API_FUNC_MACRO(enif_mutex_unlock) +# define enif_cond_create ERL_NIF_API_FUNC_MACRO(enif_cond_create) +# define enif_cond_destroy ERL_NIF_API_FUNC_MACRO(enif_cond_destroy) +# define enif_cond_signal ERL_NIF_API_FUNC_MACRO(enif_cond_signal) +# define enif_cond_broadcast ERL_NIF_API_FUNC_MACRO(enif_cond_broadcast) +# define enif_cond_wait ERL_NIF_API_FUNC_MACRO(enif_cond_wait) +# define enif_rwlock_create ERL_NIF_API_FUNC_MACRO(enif_rwlock_create) +# define enif_rwlock_destroy ERL_NIF_API_FUNC_MACRO(enif_rwlock_destroy) +# define enif_rwlock_tryrlock ERL_NIF_API_FUNC_MACRO(enif_rwlock_tryrlock) +# define enif_rwlock_rlock ERL_NIF_API_FUNC_MACRO(enif_rwlock_rlock) +# define enif_rwlock_runlock ERL_NIF_API_FUNC_MACRO(enif_rwlock_runlock) +# define enif_rwlock_tryrwlock ERL_NIF_API_FUNC_MACRO(enif_rwlock_tryrwlock) +# define enif_rwlock_rwlock ERL_NIF_API_FUNC_MACRO(enif_rwlock_rwlock) +# define enif_rwlock_rwunlock ERL_NIF_API_FUNC_MACRO(enif_rwlock_rwunlock) +# define enif_tsd_key_create ERL_NIF_API_FUNC_MACRO(enif_tsd_key_create) +# define enif_tsd_key_destroy ERL_NIF_API_FUNC_MACRO(enif_tsd_key_destroy) +# define enif_tsd_set ERL_NIF_API_FUNC_MACRO(enif_tsd_set) +# define enif_tsd_get ERL_NIF_API_FUNC_MACRO(enif_tsd_get) +# define enif_thread_opts_create ERL_NIF_API_FUNC_MACRO(enif_thread_opts_create) +# define enif_thread_opts_destroy ERL_NIF_API_FUNC_MACRO(enif_thread_opts_destroy) +# define enif_thread_create ERL_NIF_API_FUNC_MACRO(enif_thread_create) +# define enif_thread_self ERL_NIF_API_FUNC_MACRO(enif_thread_self) +# define enif_equal_tids ERL_NIF_API_FUNC_MACRO(enif_equal_tids) +# define enif_thread_exit ERL_NIF_API_FUNC_MACRO(enif_thread_exit) +# define enif_thread_join ERL_NIF_API_FUNC_MACRO(enif_thread_join) + +# define enif_realloc ERL_NIF_API_FUNC_MACRO(enif_realloc) +# define enif_system_info ERL_NIF_API_FUNC_MACRO(enif_system_info) +# define enif_fprintf ERL_NIF_API_FUNC_MACRO(enif_fprintf) +# define enif_inspect_iolist_as_binary ERL_NIF_API_FUNC_MACRO(enif_inspect_iolist_as_binary) +# define enif_make_sub_binary ERL_NIF_API_FUNC_MACRO(enif_make_sub_binary) +# define enif_get_string ERL_NIF_API_FUNC_MACRO(enif_get_string) +# define enif_get_atom ERL_NIF_API_FUNC_MACRO(enif_get_atom) +# define enif_is_fun ERL_NIF_API_FUNC_MACRO(enif_is_fun) +# define enif_is_pid ERL_NIF_API_FUNC_MACRO(enif_is_pid) +# define enif_is_port ERL_NIF_API_FUNC_MACRO(enif_is_port) +# define enif_get_uint ERL_NIF_API_FUNC_MACRO(enif_get_uint) +# define enif_get_long ERL_NIF_API_FUNC_MACRO(enif_get_long) +# define enif_make_uint ERL_NIF_API_FUNC_MACRO(enif_make_uint) +# define enif_make_long ERL_NIF_API_FUNC_MACRO(enif_make_long) +# define enif_make_tuple_from_array ERL_NIF_API_FUNC_MACRO(enif_make_tuple_from_array) +# define enif_make_list_from_array ERL_NIF_API_FUNC_MACRO(enif_make_list_from_array) +# define enif_is_empty_list ERL_NIF_API_FUNC_MACRO(enif_is_empty_list) +# define enif_open_resource_type ERL_NIF_API_FUNC_MACRO(enif_open_resource_type) +# define enif_alloc_resource ERL_NIF_API_FUNC_MACRO(enif_alloc_resource) +# define enif_release_resource ERL_NIF_API_FUNC_MACRO(enif_release_resource) +# define enif_make_resource ERL_NIF_API_FUNC_MACRO(enif_make_resource) +# define enif_get_resource ERL_NIF_API_FUNC_MACRO(enif_get_resource) +# define enif_sizeof_resource ERL_NIF_API_FUNC_MACRO(enif_sizeof_resource) + +#endif + +#ifndef enif_make_list1 +# define enif_make_list1(ENV,E1) enif_make_list(ENV,1,E1) +# define enif_make_list2(ENV,E1,E2) enif_make_list(ENV,2,E1,E2) +# define enif_make_list3(ENV,E1,E2,E3) enif_make_list(ENV,3,E1,E2,E3) +# define enif_make_list4(ENV,E1,E2,E3,E4) enif_make_list(ENV,4,E1,E2,E3,E4) +# define enif_make_list5(ENV,E1,E2,E3,E4,E5) enif_make_list(ENV,5,E1,E2,E3,E4,E5) +# define enif_make_list6(ENV,E1,E2,E3,E4,E5,E6) enif_make_list(ENV,6,E1,E2,E3,E4,E5,E6) +# define enif_make_list7(ENV,E1,E2,E3,E4,E5,E6,E7) enif_make_list(ENV,7,E1,E2,E3,E4,E5,E6,E7) +# define enif_make_list8(ENV,E1,E2,E3,E4,E5,E6,E7,E8) enif_make_list(ENV,8,E1,E2,E3,E4,E5,E6,E7,E8) +# define enif_make_list9(ENV,E1,E2,E3,E4,E5,E6,E7,E8,E9) enif_make_list(ENV,9,E1,E2,E3,E4,E5,E6,E7,E8,E9) +# define enif_make_tuple1(ENV,E1) enif_make_tuple(ENV,1,E1) +# define enif_make_tuple2(ENV,E1,E2) enif_make_tuple(ENV,2,E1,E2) +# define enif_make_tuple3(ENV,E1,E2,E3) enif_make_tuple(ENV,3,E1,E2,E3) +# define enif_make_tuple4(ENV,E1,E2,E3,E4) enif_make_tuple(ENV,4,E1,E2,E3,E4) +# define enif_make_tuple5(ENV,E1,E2,E3,E4,E5) enif_make_tuple(ENV,5,E1,E2,E3,E4,E5) +# define enif_make_tuple6(ENV,E1,E2,E3,E4,E5,E6) enif_make_tuple(ENV,6,E1,E2,E3,E4,E5,E6) +# define enif_make_tuple7(ENV,E1,E2,E3,E4,E5,E6,E7) enif_make_tuple(ENV,7,E1,E2,E3,E4,E5,E6,E7) +# define enif_make_tuple8(ENV,E1,E2,E3,E4,E5,E6,E7,E8) enif_make_tuple(ENV,8,E1,E2,E3,E4,E5,E6,E7,E8) +# define enif_make_tuple9(ENV,E1,E2,E3,E4,E5,E6,E7,E8,E9) enif_make_tuple(ENV,9,E1,E2,E3,E4,E5,E6,E7,E8,E9) +#endif + +#ifndef enif_get_data +# define enif_get_data enif_priv_data /* deprecated */ #endif diff --git a/erts/emulator/beam/external.c b/erts/emulator/beam/external.c index b011d4c0de..099eddd195 100644 --- a/erts/emulator/beam/external.c +++ b/erts/emulator/beam/external.c @@ -1027,11 +1027,12 @@ static uLongf binary2term_uncomp_size(byte* data, Sint size) err = inflateInit(&stream); if (err == Z_OK) { - while ((err = inflate(&stream, Z_NO_FLUSH)) == Z_OK) { - uncomp_size += chunk_size - stream.avail_out; + do { stream.next_out = tmp_buf; - stream.avail_out = chunk_size; - } + stream.avail_out = chunk_size; + err = inflate(&stream, Z_NO_FLUSH); + uncomp_size += chunk_size - stream.avail_out; + }while (err == Z_OK); inflateEnd(&stream); } erts_free(ERTS_ALC_T_TMP, tmp_buf); diff --git a/erts/emulator/beam/global.h b/erts/emulator/beam/global.h index 8def007c63..cab249a53f 100644 --- a/erts/emulator/beam/global.h +++ b/erts/emulator/beam/global.h @@ -76,19 +76,29 @@ typedef struct line_buf { /* Buffer used in line oriented I/O */ The rest is the overflow buffer. */ } LineBuf; +/* Temporary object header, auto-deallocated when NIF returns. */ +struct enif_tmp_obj_t { + struct enif_tmp_obj_t* next; + void (*dtor)(struct enif_tmp_obj_t*); + /*char data[];*/ +}; struct enif_environment_t /* ErlNifEnv */ { - void* nif_data; + struct erl_module_nif* mod_nif; Process* proc; Eterm* hp; Eterm* hp_end; - unsigned heap_frag_sz; + ErlHeapFragment* heap_frag; int fpe_was_unmasked; + struct enif_tmp_obj_t* tmp_obj_list; }; -extern void erts_pre_nif(struct enif_environment_t*, Process*, void* nif_data); +extern void erts_pre_nif(struct enif_environment_t*, Process*, + struct erl_module_nif*); extern void erts_post_nif(struct enif_environment_t* env); extern Eterm erts_nif_taints(Process* p); -extern void erts_print_nif_taints(int to, void* to_arg); +extern void erts_print_nif_taints(int to, void* to_arg); +void erts_unload_nif(struct erl_module_nif* nif); +extern void erl_nif_init(void); /* * Port Specific Data. @@ -403,6 +413,9 @@ typedef struct binary { char orig_bytes[1]; /* to be continued */ } Binary; +#define ERTS_SIZEOF_Binary(Sz) \ + (offsetof(Binary,orig_bytes) + (Sz)) + typedef struct { ERTS_INTERNAL_BINARY_FIELDS long orig_size; @@ -435,7 +448,9 @@ typedef union { #define ERTS_MAGIC_BIN_ORIG_SIZE(Sz) \ (sizeof(void (*)(Binary *)) + (Sz)) #define ERTS_MAGIC_BIN_SIZE(Sz) \ - (sizeof(ErtsMagicBinary) - 1 + (Sz)) + (offsetof(ErtsMagicBinary,magic_bin_data) + (Sz)) +#define ERTS_MAGIC_BIN_FROM_DATA(DATA) \ + ((ErtsBinary*)((char*)(DATA) - offsetof(ErtsMagicBinary,magic_bin_data))) #define Binary2ErlDrvBinary(B) (&((ErtsBinary *) (B))->driver.binary) #define ErlDrvBinary2Binary(D) ((Binary *) \ diff --git a/erts/emulator/beam/io.c b/erts/emulator/beam/io.c index c5de180cb2..ad0b909b2a 100644 --- a/erts/emulator/beam/io.c +++ b/erts/emulator/beam/io.c @@ -31,6 +31,7 @@ /* must be included BEFORE global.h (since it includes erl_driver.h) */ #include "erl_sys_driver.h" +#include "erl_nif.h" #include "erl_vm.h" #include "global.h" @@ -1078,7 +1079,7 @@ int erts_write_to_port(Eterm caller_id, Port *p, Eterm list) } cbin = driver_alloc_binary(csize); if (!cbin) - erts_alloc_enomem(ERTS_ALC_T_DRV_BINARY, sizeof(Binary) + csize); + erts_alloc_enomem(ERTS_ALC_T_DRV_BINARY, ERTS_SIZEOF_Binary(csize)); /* Element 0 is for driver usage to add header block */ ivp[0].iov_base = NULL; @@ -4473,7 +4474,14 @@ driver_system_info(ErlDrvSysInfo *sip, size_t si_size) sip->async_threads = erts_async_max_threads; sip->scheduler_threads = erts_no_schedulers; } - + /* + * 'nif_minor_version' is the last field in the third version + * (driver version 1.5, NIF version 1.0) + */ + if (si_size >= ERL_DRV_SYS_INFO_SIZE(nif_minor_version)) { + sip->nif_major_version = ERL_NIF_MAJOR_VERSION; + sip->nif_minor_version = ERL_NIF_MINOR_VERSION; + } } diff --git a/erts/emulator/beam/module.c b/erts/emulator/beam/module.c index 57a43c89f4..91e4ccce70 100644 --- a/erts/emulator/beam/module.c +++ b/erts/emulator/beam/module.c @@ -1,19 +1,19 @@ /* * %CopyrightBegin% - * - * Copyright Ericsson AB 1996-2009. All Rights Reserved. - * + * + * Copyright Ericsson AB 1996-2010. 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 * compliance with the License. You should have received a copy of the * Erlang Public License along with this software. If not, it can be * retrieved online at http://www.erlang.org/. - * + * * Software distributed under the License is distributed on an "AS IS" * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See * the License for the specific language governing rights and limitations * under the License. - * + * * %CopyrightEnd% */ @@ -66,12 +66,8 @@ static Module* module_alloc(Module* tmpl) obj->code_length = 0; obj->old_code_length = 0; obj->slot.index = -1; - obj->nif.handle = NULL; - obj->old_nif.handle = NULL; - obj->nif.entry = NULL; - obj->old_nif.entry = NULL; - obj->nif.data = NULL; - obj->old_nif.data = NULL; + obj->nif = NULL; + obj->old_nif = NULL; return obj; } diff --git a/erts/emulator/beam/module.h b/erts/emulator/beam/module.h index 314be8e2ee..87d13b3607 100644 --- a/erts/emulator/beam/module.h +++ b/erts/emulator/beam/module.h @@ -1,19 +1,19 @@ /* * %CopyrightBegin% - * - * Copyright Ericsson AB 1996-2009. All Rights Reserved. - * + * + * Copyright Ericsson AB 1996-2010. 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 * compliance with the License. You should have received a copy of the * Erlang Public License along with this software. If not, it can be * retrieved online at http://www.erlang.org/. - * + * * Software distributed under the License is distributed on an "AS IS" * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See * the License for the specific language governing rights and limitations * under the License. - * + * * %CopyrightEnd% */ @@ -24,11 +24,6 @@ #include "index.h" #endif -struct erl_module_nif { - void* handle; - struct enif_entry_t* entry; - void* data; -}; typedef struct erl_module { IndexSlot slot; /* Must be located at top of struct! */ @@ -39,8 +34,8 @@ typedef struct erl_module { int code_length; /* Length of loaded code in bytes. */ int old_code_length; /* Length of old loaded code in bytes */ unsigned catches, old_catches; - struct erl_module_nif nif; - struct erl_module_nif old_nif; + struct erl_module_nif* nif; + struct erl_module_nif* old_nif; } Module; Module* erts_get_module(Eterm mod); diff --git a/erts/emulator/beam/utils.c b/erts/emulator/beam/utils.c index 687e6fa67b..31efddc0f2 100644 --- a/erts/emulator/beam/utils.c +++ b/erts/emulator/beam/utils.c @@ -124,26 +124,28 @@ erts_heap_alloc(Process* p, Uint need) #endif /* FORCE_HEAP_FRAGS */ n = need; + bp = MBUF(p); + if (bp != NULL && need <= (bp->size - bp->used_size)) { + Eterm* ret = bp->mem + bp->used_size; + bp->used_size += need; + return ret; + } #ifdef DEBUG n++; #endif bp = (ErlHeapFragment*) ERTS_HEAP_ALLOC(ERTS_ALC_T_HEAP_FRAG, ERTS_HEAP_FRAG_SIZE(n)); -#ifdef DEBUG - n--; -#endif - -#if defined(DEBUG) - for (i = 0; i <= n; i++) { - bp->mem[i] = ERTS_HOLE_MARKER; - } -#elif defined(CHECK_FOR_HOLES) +#if defined(DEBUG) || defined(CHECK_FOR_HOLES) for (i = 0; i < n; i++) { bp->mem[i] = ERTS_HOLE_MARKER; } #endif +#ifdef DEBUG + n--; +#endif + /* * When we have created a heap fragment, we are no longer allowed * to store anything more on the heap. diff --git a/erts/emulator/test/nif_SUITE.erl b/erts/emulator/test/nif_SUITE.erl index e47161fcbc..522caec8f1 100644 --- a/erts/emulator/test/nif_SUITE.erl +++ b/erts/emulator/test/nif_SUITE.erl @@ -1,38 +1,50 @@ %% %% %CopyrightBegin% -%% -%% Copyright Ericsson AB 2009. All Rights Reserved. -%% +%% +%% Copyright Ericsson AB 2009-2010. 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 %% compliance with the License. You should have received a copy of the %% Erlang Public License along with this software. If not, it can be %% retrieved online at http://www.erlang.org/. -%% +%% %% Software distributed under the License is distributed on an "AS IS" %% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See %% the License for the specific language governing rights and limitations %% under the License. -%% +%% %% %CopyrightEnd% %% -module(nif_SUITE). %%-define(line_trace,true). +%%-define(CHECK(Exp,Got), ?line check(Exp,Got,?LINE)). +-define(CHECK(Exp,Got), ?line Exp = Got). -include("test_server.hrl"). -export([all/1, fin_per_testcase/2, basic/1, reload/1, upgrade/1, heap_frag/1, - types/1, many_args/1, neg/1]). + types/1, many_args/1, binaries/1, get_string/1, get_atom/1, api_macros/1, + from_array/1, iolist_as_binary/1, resource/1, resource_takeover/1, + threading/1, neg/1]). -export([many_args_100/100]). -define(nif_stub,nif_stub_error(?LINE)). all(suite) -> - [basic, reload, upgrade, heap_frag, types, many_args, neg]. + [basic, reload, upgrade, heap_frag, types, many_args, binaries, get_string, + get_atom, api_macros, from_array, iolist_as_binary, resource, + resource_takeover, threading, neg]. + +%%init_per_testcase(_Case, Config) -> +%% ?line Dog = ?t:timetrap(?t:seconds(60*60*24)), +%% [{watchdog, Dog}|Config]. fin_per_testcase(_Func, _Config) -> + %%Dog = ?config(watchdog, Config), + %%?t:timetrap_cancel(Dog), P1 = code:purge(nif_mod), Del = code:delete(nif_mod), P2 = code:purge(nif_mod), @@ -51,6 +63,7 @@ basic(Config) when is_list(Config) -> reload(doc) -> ["Test reload callback in nif lib"]; reload(suite) -> []; reload(Config) when is_list(Config) -> + TmpMem = tmpmem(), ensure_lib_loaded(Config), ?line Data = ?config(data_dir, Config), @@ -58,16 +71,16 @@ reload(Config) when is_list(Config) -> ?line {ok,nif_mod,Bin} = compile:file(File, [binary,return_errors]), ?line {module,nif_mod} = erlang:load_module(nif_mod,Bin), - ?line nif_mod:load_nif_lib(Config, 1), + ?line ok = nif_mod:load_nif_lib(Config, 1), ?line hold_nif_mod_priv_data(nif_mod:get_priv_data_ptr()), ?line [{load,1,1,101},{get_priv_data_ptr,1,2,102}] = nif_mod_call_history(), - ?line nif_mod:load_nif_lib(Config, 2), + ?line ok = nif_mod:load_nif_lib(Config, 2), ?line 2 = nif_mod:lib_version(), ?line [{reload,2,1,201},{lib_version,2,2,202}] = nif_mod_call_history(), - ?line nif_mod:load_nif_lib(Config, 1), + ?line ok = nif_mod:load_nif_lib(Config, 1), ?line 1 = nif_mod:lib_version(), ?line [{reload,1,1,101},{lib_version,1,2,102}] = nif_mod_call_history(), @@ -79,11 +92,13 @@ reload(Config) when is_list(Config) -> ?line [{unload,1,3,103}] = nif_mod_call_history(), ?line [?MODULE, nif_mod] = erlang:system_info(taints), + ?line verify_tmpmem(TmpMem), ok. upgrade(doc) -> ["Test upgrade callback in nif lib"]; upgrade(suite) -> []; upgrade(Config) when is_list(Config) -> + TmpMem = tmpmem(), ensure_lib_loaded(Config), ?line Data = ?config(data_dir, Config), @@ -91,7 +106,7 @@ upgrade(Config) when is_list(Config) -> ?line {ok,nif_mod,Bin} = compile:file(File, [binary,return_errors]), ?line {module,nif_mod} = erlang:load_module(nif_mod,Bin), - ?line nif_mod:load_nif_lib(Config, 1), + ?line ok = nif_mod:load_nif_lib(Config, 1), ?line {Pid,MRef} = nif_mod:start(), ?line 1 = call(Pid,lib_version), @@ -104,7 +119,7 @@ upgrade(Config) when is_list(Config) -> ?line 1 = call(Pid,lib_version), ?line [{lib_version,1,4,104}] = nif_mod_call_history(), - ?line nif_mod:load_nif_lib(Config, 1), + ?line ok = nif_mod:load_nif_lib(Config, 1), ?line 1 = nif_mod:lib_version(), ?line [{upgrade,1,5,105},{lib_version,1,6,106}] = nif_mod_call_history(), @@ -131,7 +146,7 @@ upgrade(Config) when is_list(Config) -> ?line {Pid2,MRef2} = nif_mod:start(), ?line undefined = call(Pid2,lib_version), - ?line nif_mod:load_nif_lib(Config, 1), + ?line ok = nif_mod:load_nif_lib(Config, 1), ?line hold_nif_mod_priv_data(nif_mod:get_priv_data_ptr()), ?line 1 = call(Pid2,lib_version), ?line [{load,1,1,101},{get_priv_data_ptr,1,2,102},{lib_version,1,3,103}] = nif_mod_call_history(), @@ -142,7 +157,7 @@ upgrade(Config) when is_list(Config) -> ?line 1 = call(Pid2,lib_version), ?line [{lib_version,1,4,104}] = nif_mod_call_history(), - ?line nif_mod:load_nif_lib(Config, 2), + ?line ok = nif_mod:load_nif_lib(Config, 2), ?line 2 = nif_mod:lib_version(), ?line [{upgrade,2,1,201},{lib_version,2,2,202}] = nif_mod_call_history(), @@ -167,14 +182,17 @@ upgrade(Config) when is_list(Config) -> ?line [{unload,2,4,204}] = nif_mod_call_history(), ?line [?MODULE, nif_mod] = erlang:system_info(taints), + ?line verify_tmpmem(TmpMem), ok. heap_frag(doc) -> ["Test NIF building heap fragments"]; heap_frag(suite) -> []; heap_frag(Config) when is_list(Config) -> + TmpMem = tmpmem(), ensure_lib_loaded(Config), heap_frag_do(1,1000000), + ?line verify_tmpmem(TmpMem), ok. heap_frag_do(N, Max) when N > Max -> @@ -188,6 +206,7 @@ heap_frag_do(N, Max) -> types(doc) -> ["Type tests"]; types(suite) -> []; types(Config) when is_list(Config) -> + TmpMem = tmpmem(), ensure_lib_loaded(Config), ?line ok = type_test(), lists:foreach(fun(Tpl) -> @@ -197,6 +216,7 @@ types(Config) when is_list(Config) -> [{},{ok},{{}},{[],{}},{1,2,3,4,5}]), Stuff = [[],{},0,0.0,(1 bsl 100),(fun()-> ok end),make_ref(),self()], [eq_cmp(A,clone(B)) || A<-Stuff, B<-Stuff], + ?line verify_tmpmem(TmpMem), ok. clone(X) -> @@ -227,17 +247,506 @@ eq_cmp_do(A,B) -> many_args(doc) -> ["Test NIF with many arguments"]; many_args(suite) -> []; many_args(Config) when is_list(Config) -> + TmpMem = tmpmem(), ?line ensure_lib_loaded(Config ,1), ?line ok = apply(?MODULE,many_args_100,lists:seq(1,100)), ?line ok = many_args_100(1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100), + ?line verify_tmpmem(TmpMem), ok. - +binaries(doc) -> ["Test NIF binary handling."]; +binaries(suite) -> []; +binaries(Config) when is_list(Config) -> + TmpMem = tmpmem(), + ?line ensure_lib_loaded(Config, 1), + ?line RefcBin = list_to_binary(lists:seq(1,255)), + ?line RefcBin = clone_bin(RefcBin), + ?line HeapBin = list_to_binary(lists:seq(1,20)), + ?line HeapBin = clone_bin(HeapBin), + ?line <<_:8,Sub1:6/binary,_/binary>> = RefcBin, + ?line <<_:8,Sub2:6/binary,_/binary>> = HeapBin, + ?line Sub1 = Sub2, + ?line Sub1 = clone_bin(Sub1), + ?line Sub2 = clone_bin(Sub2), + ?line <<_:9,Sub3:6/binary,_/bitstring>> = RefcBin, + ?line <<_:9,Sub4:6/binary,_/bitstring>> = HeapBin, + ?line Sub3 = Sub4, + ?line Sub3 = clone_bin(Sub3), + ?line Sub4 = clone_bin(Sub4), + %% When NIFs get bitstring support + %%?line <<_:8,Sub5:27/bitstring,_/bitstring>> = RefcBin, + %%?line <<_:8,Sub6:27/bitstring,_/bitstring>> = HeapBin, + %%?line Sub5 = Sub6, + %%?line Sub5 = clone_bin(Sub5), + %%?line Sub6 = clone_bin(Sub6), + %%?line <<_:9,Sub7:27/bitstring,_/bitstring>> = RefcBin, + %%?line <<_:9,Sub8:27/bitstring,_/bitstring>> = HeapBin, + %%?line Sub7 = Sub8, + %%?line Sub7 = clone_bin(Sub7), + %%?line Sub8 = clone_bin(Sub8), + %%?line <<>> = clone_bin(<<>>), + + <<_:8,SubBinA:200/binary,_/binary>> = RefcBin, + <<_:9,SubBinB:200/binary,_/bitstring>> = RefcBin, + <<_:8,SubBinC:17/binary,_/binary>> = HeapBin, + <<_:9,SubBinD:17/binary,_/bitstring>> = HeapBin, + test_make_sub_bin(RefcBin), + test_make_sub_bin(HeapBin), + test_make_sub_bin(SubBinA), + test_make_sub_bin(SubBinB), + test_make_sub_bin(SubBinC), + test_make_sub_bin(SubBinD), + + ?line verify_tmpmem(TmpMem), + ok. + +test_make_sub_bin(Bin) -> + Size = byte_size(Bin), + Rest10 = Size - 10, + Rest1 = Size - 1, + ?line Bin = make_sub_bin(Bin, 0, Size), + <<_:10/binary,Sub0:Rest10/binary>> = Bin, + ?line Sub0 = make_sub_bin(Bin, 10, Rest10), + <<Sub1:10/binary,_/binary>> = Bin, + ?line Sub1 = make_sub_bin(Bin, 0, 10), + <<_:7/binary,Sub2:10/binary,_/binary>> = Bin, + ?line Sub2 = make_sub_bin(Bin, 7, 10), + ?line <<>> = make_sub_bin(Bin, 0, 0), + ?line <<>> = make_sub_bin(Bin, 10, 0), + ?line <<>> = make_sub_bin(Bin, Rest1, 0), + ?line <<>> = make_sub_bin(Bin, Size, 0), + ok. + +get_string(doc) -> ["Test enif_get_string"]; +get_string(suite) -> []; +get_string(Config) when is_list(Config) -> + ?line ensure_lib_loaded(Config, 1), + ?line {7, <<"hejsan",0,_:3/binary>>} = string_to_bin("hejsan",10), + ?line {7, <<"hejsan",0,_>>} = string_to_bin("hejsan",8), + ?line {7, <<"hejsan",0>>} = string_to_bin("hejsan",7), + ?line {-6, <<"hejsa",0>>} = string_to_bin("hejsan",6), + ?line {-5, <<"hejs",0>>} = string_to_bin("hejsan",5), + ?line {-1, <<0>>} = string_to_bin("hejsan",1), + ?line {0, <<>>} = string_to_bin("hejsan",0), + ?line {1, <<0>>} = string_to_bin("",1), + ?line {0, <<>>} = string_to_bin("",0), + ok. + +get_atom(doc) -> ["Test enif_get_atom"]; +get_atom(suite) -> []; +get_atom(Config) when is_list(Config) -> + ?line ensure_lib_loaded(Config, 1), + ?line {7, <<"hejsan",0,_:3/binary>>} = atom_to_bin(hejsan,10), + ?line {7, <<"hejsan",0,_>>} = atom_to_bin(hejsan,8), + ?line {7, <<"hejsan",0>>} = atom_to_bin(hejsan,7), + ?line {0, <<_:6/binary>>} = atom_to_bin(hejsan,6), + ?line {0, <<>>} = atom_to_bin(hejsan,0), + ?line {1, <<0>>} = atom_to_bin('',1), + ?line {0, <<>>} = atom_to_bin('',0), + ok. + +api_macros(doc) -> ["Test macros enif_make_list<N> and enif_make_tuple<N>"]; +api_macros(suite) -> []; +api_macros(Config) when is_list(Config) -> + ?line ensure_lib_loaded(Config, 1), + Expected = {[lists:seq(1,N) || N <- lists:seq(1,9)], + [list_to_tuple(lists:seq(1,N)) || N <- lists:seq(1,9)] + }, + ?line Expected = macros(list_to_tuple(lists:seq(1,9))), + ok. + +from_array(doc) -> ["enif_make_[tuple|list]_from_array"]; +from_array(suite) -> []; +from_array(Config) when is_list(Config) -> + ?line ensure_lib_loaded(Config, 1), + lists:foreach(fun(Tpl) -> + Lst = tuple_to_list(Tpl), + ?line {Lst,Tpl} = tuple_2_list_and_tuple(Tpl) + end, + [{}, {1,2,3}, {[4,5],[],{},{6,7}}, {{}}, {[]}]), + ok. + +iolist_as_binary(doc) -> ["enif_inspect_iolist_as_binary"]; +iolist_as_binary(suite) -> []; +iolist_as_binary(Config) when is_list(Config) -> + ?line ensure_lib_loaded(Config, 1), + TmpMem = tmpmem(), + List = [<<"hejsan">>, <<>>, [], [17], [<<>>], + [127,128,255,0], + [1, 2, 3, <<"abc">>, [<<"def">>,4], 5, <<"ghi">>], + [1, 2, 3, <<"abc">>, [<<"def">>,4], 5 | <<"ghi">>]], + + lists:foreach(fun(IoL) -> + B1 = erlang:iolist_to_binary(IoL), + ?line B2 = iolist_2_bin(IoL), + ?line B1 = B2 + end, + List), + ?line verify_tmpmem(TmpMem), + ok. + +resource(doc) -> ["Test memory managed objects, aka 'resources'"]; +resource(suite) -> []; +resource(Config) when is_list(Config) -> + ?line ensure_lib_loaded(Config, 1), + ?line Type = get_resource_type(0), + resource_hugo(Type), + resource_otto(Type), + resource_new(Type), + resource_neg(Type), + ok. + +resource_hugo(Type) -> + DtorCall = resource_hugo_do(Type), + erlang:garbage_collect(), + ?line DtorCall = last_resource_dtor_call(), + ok. + +resource_hugo_do(Type) -> + HugoBin = <<"Hugo Hacker">>, + ?line HugoPtr = alloc_resource(Type, HugoBin), + ?line Hugo = make_resource(HugoPtr), + ?line <<>> = Hugo, + release_resource(HugoPtr), + erlang:garbage_collect(), + ?line {HugoPtr,HugoBin} = get_resource(Type,Hugo), + Pid = spawn_link(fun() -> + receive {Pid, Type, Resource, Ptr, Bin} -> + Pid ! {self(), got_it}, + receive {Pid, check_it} -> + ?line {Ptr,Bin} = get_resource(Type,Resource), + Pid ! {self(), ok} + end + end + end), + Pid ! {self(), Type, Hugo, HugoPtr, HugoBin}, + ?line {Pid, got_it} = receive_any(), + erlang:garbage_collect(), % just to make our ProcBin move in memory + Pid ! {self(), check_it}, + ?line {Pid, ok} = receive_any(), + ?line [] = last_resource_dtor_call(), + ?line {HugoPtr,HugoBin} = get_resource(Type,Hugo), + {HugoPtr, HugoBin, 1}. + +resource_otto(Type) -> + {OttoPtr, OttoBin} = resource_otto_do(Type), + erlang:garbage_collect(), + ?line [] = last_resource_dtor_call(), + release_resource(OttoPtr), + ?line {OttoPtr,OttoBin,1} = last_resource_dtor_call(), + ok. + +resource_otto_do(Type) -> + OttoBin = <<"Otto Ordonnans">>, + ?line OttoPtr = alloc_resource(Type, OttoBin), + ?line Otto = make_resource(OttoPtr), + ?line <<>> = Otto, + %% forget resource term but keep referenced by NIF + {OttoPtr, OttoBin}. + +resource_new(Type) -> + ?line {PtrB,BinB} = resource_new_do1(Type), + erlang:garbage_collect(), + ?line {PtrB,BinB,1} = last_resource_dtor_call(), + ok. + +resource_new_do1(Type) -> + ?line {{PtrA,BinA}, {ResB,PtrB,BinB}} = resource_new_do2(Type), + erlang:garbage_collect(), + ?line {PtrA,BinA,1} = last_resource_dtor_call(), + ?line {PtrB,BinB} = get_resource(Type, ResB), + %% forget ResB and make it garbage + {PtrB,BinB}. + +resource_new_do2(Type) -> + BinA = <<"NewA">>, + BinB = <<"NewB">>, + ?line ResA = make_new_resource(Type, BinA), + ?line ResB = make_new_resource(Type, BinB), + ?line <<>> = ResA, + ?line <<>> = ResB, + ?line {PtrA,BinA} = get_resource(Type, ResA), + ?line {PtrB,BinB} = get_resource(Type, ResB), + ?line true = (PtrA =/= PtrB), + ?line [] = last_resource_dtor_call(), + %% forget ResA and make it garbage + {{PtrA,BinA}, {ResB,PtrB,BinB}}. + +resource_neg(TypeA) -> + TypeB = get_resource_type(1), + Aptr = alloc_resource(TypeA, <<"Arnold">>), + Bptr = alloc_resource(TypeB, <<"Bobo">>), + ?line {'EXIT',{badarg,_}} = (catch get_resource(TypeA, Bptr)), + ?line {'EXIT',{badarg,_}} = (catch get_resource(TypeB, Aptr)), + ok. +-define(RT_CREATE,1). +-define(RT_TAKEOVER,2). + +resource_takeover(doc) -> ["Test resource takeover by module reload and upgrade"]; +resource_takeover(suite) -> []; +resource_takeover(Config) when is_list(Config) -> + TmpMem = tmpmem(), + ensure_lib_loaded(Config), + + ?line Data = ?config(data_dir, Config), + ?line File = filename:join(Data, "nif_mod"), + ?line {ok,nif_mod,ModBin} = compile:file(File, [binary,return_errors]), + ?line {module,nif_mod} = erlang:load_module(nif_mod,ModBin), + + ?line ok = nif_mod:load_nif_lib(Config, 1, + [{resource_type, 0, ?RT_CREATE, "resource_type_A",resource_dtor_A, + ?RT_CREATE}, + {resource_type, 1, ?RT_CREATE, "resource_type_null_A",null, + ?RT_CREATE}, + {resource_type, 2, ?RT_CREATE bor ?RT_TAKEOVER, "resource_type_A_null",resource_dtor_A, + ?RT_CREATE}, + {resource_type, 3, ?RT_CREATE, "resource_type_B_goneX",resource_dtor_B, + ?RT_CREATE}, + {resource_type, 4, ?RT_CREATE, "resource_type_null_goneX",null, + ?RT_CREATE}, + {resource_type, null, ?RT_TAKEOVER, "Pink unicorn", resource_dtor_A, + ?RT_TAKEOVER} + ]), + + ?line hold_nif_mod_priv_data(nif_mod:get_priv_data_ptr()), + ?line [{load,1,1,101},{get_priv_data_ptr,1,2,102}] = nif_mod_call_history(), + + ?line {Holder, _MRef} = spawn_opt(fun resource_holder/0, [link, monitor]), + + {A1,BinA1} = make_resource(0,Holder,"A1"), + {A2,BinA2} = make_resource(0,Holder,"A2"), + {A3,BinA3} = make_resource(0,Holder,"A3"), + + {NA1,_BinNA1} = make_resource(1,Holder,"NA1"), + {NA2,BinNA2} = make_resource(1,Holder,"NA2"), + {NA3,_BinNA3} = make_resource(1,Holder,"NA3"), + + {AN1,BinAN1} = make_resource(2,Holder,"AN1"), + {AN2,_BinAN2} = make_resource(2,Holder,"AN2"), + {AN3,BinAN3} = make_resource(2,Holder,"AN3"), + + {BGX1,BinBGX1} = make_resource(3,Holder,"BGX1"), + {BGX2,BinBGX2} = make_resource(3,Holder,"BGX2"), + + {NGX1,_BinNGX1} = make_resource(4,Holder,"NGX1"), + {NGX2,_BinNGX2} = make_resource(4,Holder,"NGX2"), + + ?line [] = nif_mod_call_history(), + + ?line ok = forget_resource(A1), + ?line [{{resource_dtor_A_v1,BinA1},1,3,103}] = nif_mod_call_history(), + + ?line ok = forget_resource(NA1), + ?line [] = nif_mod_call_history(), % no dtor + + ?line ok = forget_resource(AN1), + ?CHECK([{{resource_dtor_A_v1,BinAN1},1,4,104}] , nif_mod_call_history()), + + ?line ok = forget_resource(BGX1), + ?CHECK([{{resource_dtor_B_v1,BinBGX1},1,5,105}], nif_mod_call_history()), + + ?line ok = forget_resource(NGX1), + ?CHECK([], nif_mod_call_history()), % no dtor + + ?line ok = nif_mod:load_nif_lib(Config, 2, + [{resource_type, 0, ?RT_TAKEOVER, "resource_type_A",resource_dtor_A, + ?RT_TAKEOVER}, + {resource_type, 1, ?RT_TAKEOVER bor ?RT_CREATE, "resource_type_null_A",resource_dtor_A, + ?RT_TAKEOVER}, + {resource_type, 2, ?RT_TAKEOVER, "resource_type_A_null",null, + ?RT_TAKEOVER}, + {resource_type, null, ?RT_TAKEOVER, "Pink unicorn", resource_dtor_A, + ?RT_TAKEOVER}, + {resource_type, null, ?RT_CREATE, "resource_type_B_goneX",resource_dtor_B, + ?RT_CREATE}, + {resource_type, null, ?RT_CREATE, "resource_type_null_goneX",null, + ?RT_CREATE}, + {resource_type, 3, ?RT_CREATE, "resource_type_B_goneY",resource_dtor_B, + ?RT_CREATE}, + {resource_type, 4, ?RT_CREATE, "resource_type_null_goneY",null, + ?RT_CREATE} + ]), + ?CHECK([{reload,2,1,201}], nif_mod_call_history()), + + ?line BinA2 = read_resource(0,A2), + ?line ok = forget_resource(A2), + ?CHECK([{{resource_dtor_A_v2,BinA2},2,2,202}], nif_mod_call_history()), + + ?line ok = forget_resource(NA2), + ?CHECK([{{resource_dtor_A_v2,BinNA2},2,3,203}], nif_mod_call_history()), + + ?line ok = forget_resource(AN2), + ?CHECK([], nif_mod_call_history()), % no dtor + + ?line ok = forget_resource(BGX2), % calling dtor in orphan library v1 still loaded + ?CHECK([{{resource_dtor_B_v1,BinBGX2},1,6,106}], nif_mod_call_history()), + % How to test that lib v1 is closed here? + + ?line ok = forget_resource(NGX2), + ?CHECK([], nif_mod_call_history()), % no dtor + + {BGY1,BinBGY1} = make_resource(3,Holder,"BGY1"), + {NGY1,_BinNGY1} = make_resource(4,Holder,"NGY1"), + + %% Module upgrade with same lib-version + ?line {module,nif_mod} = erlang:load_module(nif_mod,ModBin), + ?line undefined = nif_mod:lib_version(), + ?line ok = nif_mod:load_nif_lib(Config, 2, + [{resource_type, 2, ?RT_TAKEOVER, "resource_type_A",resource_dtor_B, + ?RT_TAKEOVER}, + {resource_type, 0, ?RT_TAKEOVER bor ?RT_CREATE, "resource_type_null_A",null, + ?RT_TAKEOVER}, + {resource_type, 1, ?RT_TAKEOVER, "resource_type_A_null",resource_dtor_A, + ?RT_TAKEOVER}, + {resource_type, null, ?RT_TAKEOVER, "Pink elephant", resource_dtor_A, + ?RT_TAKEOVER}, + {resource_type, 3, ?RT_CREATE, "resource_type_B_goneZ",resource_dtor_B, + ?RT_CREATE}, + {resource_type, 4, ?RT_CREATE, "resource_type_null_goneZ",null, + ?RT_CREATE} + ]), + + ?line 2 = nif_mod:lib_version(), + ?CHECK([{upgrade,2,4,204},{lib_version,2,5,205}], nif_mod_call_history()), + + ?line ok = forget_resource(A3), + ?CHECK([{{resource_dtor_B_v2,BinA3},2,6,206}], nif_mod_call_history()), + + ?line ok = forget_resource(NA3), + ?CHECK([], nif_mod_call_history()), + + ?line ok = forget_resource(AN3), + ?CHECK([{{resource_dtor_A_v2,BinAN3},2,7,207}], nif_mod_call_history()), + + {A4,BinA4} = make_resource(2,Holder, "A4"), + {NA4,BinNA4} = make_resource(0,Holder, "NA4"), + {AN4,_BinAN4} = make_resource(1,Holder, "AN4"), + + {BGZ1,BinBGZ1} = make_resource(3,Holder,"BGZ1"), + {NGZ1,_BinNGZ1} = make_resource(4,Holder,"NGZ1"), + + ?line false = code:purge(nif_mod), + ?line [] = nif_mod_call_history(), + + ?line ok = forget_resource(NGY1), + ?line [] = nif_mod_call_history(), + + ?line ok = forget_resource(BGY1), % calling dtor in orphan library v2 still loaded + ?line [{{resource_dtor_B_v2,BinBGY1},2,8,208},{unload,2,9,209}] = nif_mod_call_history(), + + %% Module upgrade with other lib-version + ?line {module,nif_mod} = erlang:load_module(nif_mod,ModBin), + ?line undefined = nif_mod:lib_version(), + ?line ok = nif_mod:load_nif_lib(Config, 1, + [{resource_type, 2, ?RT_TAKEOVER, "resource_type_A",resource_dtor_A, + ?RT_TAKEOVER}, + {resource_type, 0, ?RT_TAKEOVER bor ?RT_CREATE, "resource_type_null_A",resource_dtor_A, + ?RT_TAKEOVER}, + {resource_type, 1, ?RT_TAKEOVER, "resource_type_A_null",null, + ?RT_TAKEOVER}, + {resource_type, null, ?RT_TAKEOVER, "Mr Pink", resource_dtor_A, + ?RT_TAKEOVER} + ]), + + ?line 1 = nif_mod:lib_version(), + ?line [{upgrade,1,1,101},{lib_version,1,2,102}] = nif_mod_call_history(), + + %%?line false= check_process_code(Pid, nif_mod), + ?line false = code:purge(nif_mod), + %% no unload here as we still have instances with destructors + ?line [] = nif_mod_call_history(), + + ?line ok = forget_resource(BGZ1), % calling dtor in orphan library v2 still loaded + ?line [{{resource_dtor_B_v2,BinBGZ1},2,10,210},{unload,2,11,211}] = nif_mod_call_history(), + + ?line ok = forget_resource(NGZ1), + ?line [] = nif_mod_call_history(), + + ?line ok = forget_resource(A4), + ?line [{{resource_dtor_A_v1,BinA4},1,3,103}] = nif_mod_call_history(), + + ?line ok = forget_resource(NA4), + ?line [{{resource_dtor_A_v1,BinNA4},1,4,104}] = nif_mod_call_history(), + ?line ok = forget_resource(AN4), + ?line [] = nif_mod_call_history(), + + ?line [?MODULE, nif_mod] = erlang:system_info(taints), + ?line verify_tmpmem(TmpMem), + ok. + +make_resource(Type,Holder,Str) when is_list(Str) -> + Bin = list_to_binary(Str), + A1 = make_resource_do(Type,Holder,Bin), + ?line Bin = read_resource(Type,A1), + {A1,Bin}. + +make_resource_do(Type, Holder, Bin) -> + Holder ! {self(), make, Type, Bin}, + {Holder, make_ok, Id} = receive_any(), + {Holder,Id}. + +read_resource(Type, {Holder,Id}) -> + Holder ! {self(), get, Type, Id}, + {Holder, get_ok, Bin} = receive_any(), + Bin. + +forget_resource({Holder,Id}) -> + Holder ! {self(), forget, Id}, + {Holder, forget_ok, Id} = receive_any(), + ok. + + +resource_holder() -> + resource_holder([]). +resource_holder(List) -> + %%io:format("resource_holder waiting for msg\n", []), + Msg = receive_any(), + %%io:format("resource_holder got ~p with list = ~p\n", [Msg,List]), + case Msg of + {Pid, make, Type, Bin} -> + ?line Resource = nif_mod:make_new_resource(Type, Bin), + Id = {make_ref(),Bin}, + Pid ! {self(), make_ok, Id}, + resource_holder([{Id,Resource} | List]); + {Pid, get, Type, Id} -> + {Id,Resource} = lists:keyfind(Id, 1, List), + Pid ! {self(), get_ok, nif_mod:get_resource(Type, Resource)}, + resource_holder(List); + + {Pid, forget, Id} -> + NewList = lists:keydelete(Id, 1, List), + %%io:format("resource_holder forget: NewList = ~p\n", [NewList]), + resource_holder(Pid, {self(),forget_ok,Id}, NewList) + end. + +resource_holder(Pid,Reply,List) -> + erlang:garbage_collect(), + %%io:format("resource_holder GC'ed, now send ~p to ~p\n", [Reply,Pid]), + Pid ! Reply, + resource_holder(List). + + +threading(doc) -> ["Test the threading API functions (reuse tests from driver API)"]; +threading(Config) when is_list(Config) -> + ?line Data = ?config(data_dir, Config), + ?line File = filename:join(Data, "tester"), + ?line {ok,tester,ModBin} = compile:file(File, [binary,return_errors]), + ?line {module,tester} = erlang:load_module(tester,ModBin), + + ?line ok = tester:load_nif_lib(Config, "basic"), + ?line ok = tester:run(), + + ?line ok = tester:load_nif_lib(Config, "rwlock"), + ?line ok = tester:run(), + + ?line ok = tester:load_nif_lib(Config, "tsd"), + ?line ok = tester:run(). + neg(doc) -> ["Negative testing of load_nif"]; -neg(suite) -> []; neg(Config) when is_list(Config) -> + TmpMem = tmpmem(), ?line {'EXIT',{badarg,_}} = (catch erlang:load_nif(badarg, 0)), ?line {error,{load_failed,_}} = erlang:load_nif("pink_unicorn", 0), @@ -247,23 +756,61 @@ neg(Config) when is_list(Config) -> ?line {module,nif_mod} = erlang:load_module(nif_mod,Bin), ?line {error,{bad_lib,_}} = nif_mod:load_nif_lib(Config, no_init), + ?line verify_tmpmem(TmpMem), ?line ok. ensure_lib_loaded(Config) -> ensure_lib_loaded(Config, 1). - ensure_lib_loaded(Config, Ver) -> ?line case lib_version() of undefined -> ?line Path = ?config(data_dir, Config), ?line Lib = "nif_SUITE." ++ integer_to_list(Ver), - ?line ok = erlang:load_nif(filename:join(Path,Lib), 0); + ?line ok = erlang:load_nif(filename:join(Path,Lib), []); Ver when is_integer(Ver) -> ok end. +tmpmem() -> + case erlang:system_info({allocator,temp_alloc}) of + false -> undefined; + MemInfo -> + MSBCS = lists:foldl( + fun ({instance, _, L}, Acc) -> + {value,{_,MBCS}} = lists:keysearch(mbcs, 1, L), + {value,{_,SBCS}} = lists:keysearch(sbcs, 1, L), + [MBCS,SBCS | Acc] + end, + [], + MemInfo), + lists:foldl( + fun(L, {Bl0,BlSz0}) -> + {value,{_,Bl,_,_}} = lists:keysearch(blocks, 1, L), + {value,{_,BlSz,_,_}} = lists:keysearch(blocks_size, 1, L), + {Bl0+Bl,BlSz0+BlSz} + end, {0,0}, MSBCS) + end. + +verify_tmpmem(MemInfo) -> + %%wait_for_test_procs(), + case tmpmem() of + MemInfo -> + io:format("Tmp mem info: ~p", [MemInfo]), + case MemInfo of + {notsup,undefined} -> + %% Use 'erl +Mea max' to do more complete memory leak testing. + {comment,"Incomplete or no mem leak testing"}; + _ -> + ok + end; + Other -> + io:format("Expected: ~p", [MemInfo]), + io:format("Actual: ~p", [Other]), + ?t:fail() + end. + call(Pid,Cmd) -> %%io:format("~p calling ~p with ~p\n",[self(), Pid, Cmd]), Pid ! {self(), Cmd}, @@ -274,6 +821,15 @@ call(Pid,Cmd) -> receive_any() -> receive M -> M end. +%% check(Exp,Got,Line) -> +%% case Got of +%% Exp -> Exp; +%% _ -> +%% io:format("CHECK at ~p: Expected ~p but got ~p\n",[Line,Exp,Got]), +%% Got +%% end. + + %% The NIFs: lib_version() -> undefined. call_history() -> ?nif_stub. @@ -285,6 +841,20 @@ tuple_2_list(_) -> ?nif_stub. is_identical(_,_) -> ?nif_stub. compare(_,_) -> ?nif_stub. many_args_100(_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_,_) -> ?nif_stub. - +clone_bin(_) -> ?nif_stub. +make_sub_bin(_,_,_) -> ?nif_stub. +string_to_bin(_,_) -> ?nif_stub. +atom_to_bin(_,_) -> ?nif_stub. +macros(_) -> ?nif_stub. +tuple_2_list_and_tuple(_) -> ?nif_stub. +iolist_2_bin(_) -> ?nif_stub. +get_resource_type(_) -> ?nif_stub. +alloc_resource(_,_) -> ?nif_stub. +make_resource(_) -> ?nif_stub. +get_resource(_,_) -> ?nif_stub. +release_resource(_) -> ?nif_stub. +last_resource_dtor_call() -> ?nif_stub. +make_new_resource(_,_) -> ?nif_stub. + nif_stub_error(Line) -> exit({nif_not_loaded,module,?MODULE,line,Line}). diff --git a/erts/emulator/test/nif_SUITE_data/Makefile.src b/erts/emulator/test/nif_SUITE_data/Makefile.src index 6a8b4f1245..ab4ff77add 100644 --- a/erts/emulator/test/nif_SUITE_data/Makefile.src +++ b/erts/emulator/test/nif_SUITE_data/Makefile.src @@ -4,11 +4,22 @@ NIF_LIBS = nif_SUITE.1@dll@ \ nif_mod.2@dll@ \ nif_mod.3@dll@ -all: $(NIF_LIBS) +all: $(NIF_LIBS) basic@dll@ rwlock@dll@ tsd@dll@ @SHLIB_RULES@ $(NIF_LIBS): nif_SUITE.c nif_mod.c nif_mod.h +basic@dll@: tester.c testcase_driver.h +rwlock@dll@: tester.c testcase_driver.h + +tsd@dll@: tester.c testcase_driver.h + +DRIVER_DIR = ../erl_drv_thread_SUITE_data + +basic.c rwlock.c tsd.c: $(DRIVER_DIR)/$@ + cat head.txt > $@ + cat $(DRIVER_DIR)/$@ | sed -e 's/erl_drv_/enif_/g' -e 's/driver_/enif_/g' -e 's/ErlDrv/ErlNif/g' >> $@ + cat tail.txt >> $@ diff --git a/erts/emulator/test/nif_SUITE_data/head.txt b/erts/emulator/test/nif_SUITE_data/head.txt new file mode 100644 index 0000000000..4b9b44276f --- /dev/null +++ b/erts/emulator/test/nif_SUITE_data/head.txt @@ -0,0 +1,5 @@ +/* Do NOT edit this file!!! +** +** This is a NIF'ified COPY of the original in ../erl_drv_thread_SUITE_data/ +*/ + diff --git a/erts/emulator/test/nif_SUITE_data/nif_SUITE.c b/erts/emulator/test/nif_SUITE_data/nif_SUITE.c index 4532062dce..7d05a9a880 100644 --- a/erts/emulator/test/nif_SUITE_data/nif_SUITE.c +++ b/erts/emulator/test/nif_SUITE_data/nif_SUITE.c @@ -15,6 +15,7 @@ typedef struct int ref_cnt; CallInfo* call_history; NifModPrivData* nif_mod; + union { ErlNifResourceType* t; long l; } rt_arr[2]; }PrivData; void add_call(ErlNifEnv* env, PrivData* data, const char* func_name) @@ -26,12 +27,29 @@ void add_call(ErlNifEnv* env, PrivData* data, const char* func_name) call->static_cntA = ++static_cntA; call->static_cntB = ++static_cntB; data->call_history = call; + call->arg = NULL; + call->arg_sz = 0; } #define ADD_CALL(FUNC_NAME) add_call(env, enif_get_data(env),FUNC_NAME) +static void* resource_dtor_last = NULL; +static unsigned resource_dtor_last_sz = 0; +static char resource_dtor_last_data[20]; +static int resource_dtor_cnt = 0; + +static void resource_dtor(ErlNifEnv* env, void* obj) +{ + resource_dtor_last = obj; + resource_dtor_cnt++; + resource_dtor_last_sz = enif_sizeof_resource(env, obj); + assert(resource_dtor_last_sz <= sizeof(resource_dtor_last_data)); + memcpy(resource_dtor_last_data, obj, resource_dtor_last_sz); +} + static int load(ErlNifEnv* env, void** priv_data, ERL_NIF_TERM load_info) { + /*ERL_NIF_TERM head, tail;*/ PrivData* data = enif_alloc(env, sizeof(PrivData)); assert(data != NULL); data->ref_cnt = 1; @@ -39,7 +57,26 @@ static int load(ErlNifEnv* env, void** priv_data, ERL_NIF_TERM load_info) data->nif_mod = NULL; add_call(env, data, "load"); - + + /* + head = load_info; + data->rt_cnt = 0; + for (head=load_info; enif_get_list_cell(env,load_info,&head,&tail); + head=tail) { + char buf[20]; + int n = enif_get_string(env,head,buf,sizeof(buf)); + assert(n > 0); + assert(i < sizeof(data->rt_arr)/sizeof(*data->rt_arr)); + data->rt_arr[data->rt_cnt++].t = enif_create_resource_type(env,buf,resource_dtor, + ERL_NIF_RT_CREATE,NULL); + } + assert(enif_is_empty_list(env,head)); + */ + data->rt_arr[0].t = enif_open_resource_type(env,"Gold",resource_dtor, + ERL_NIF_RT_CREATE,NULL); + data->rt_arr[1].t = enif_open_resource_type(env,"Silver",resource_dtor, + ERL_NIF_RT_CREATE,NULL); + *priv_data = data; return 0; } @@ -80,11 +117,19 @@ static ERL_NIF_TERM make_call_history(ErlNifEnv* env, CallInfo** headp) while (*headp != NULL) { CallInfo* call = *headp; - ERL_NIF_TERM tpl = enif_make_tuple(env, 4, - enif_make_atom(env,call->func_name), - enif_make_int(env,call->lib_ver), - enif_make_int(env,call->static_cntA), - enif_make_int(env,call->static_cntB)); + ERL_NIF_TERM func_term = enif_make_atom(env,call->func_name); + ERL_NIF_TERM tpl; + if (call->arg != NULL) { + ErlNifBinary arg_bin; + enif_alloc_binary(env, call->arg_sz, &arg_bin); + memcpy(arg_bin.data, call->arg, call->arg_sz); + func_term = enif_make_tuple2(env, func_term, + enif_make_binary(env, &arg_bin)); + } + tpl = enif_make_tuple4(env, func_term, + enif_make_int(env,call->lib_ver), + enif_make_int(env,call->static_cntA), + enif_make_int(env,call->static_cntB)); list = enif_make_list_cell(env, tpl, list); *headp = call->next; enif_free(env,call); @@ -117,11 +162,14 @@ static ERL_NIF_TERM hold_nif_mod_priv_data(ErlNifEnv* env, int argc, const ERL_N static ERL_NIF_TERM nif_mod_call_history(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) { PrivData* data = (PrivData*) enif_get_data(env); - + ERL_NIF_TERM ret; if (data->nif_mod == NULL) { - return enif_make_string(env,"nif_mod pointer is NULL"); + return enif_make_string(env,"nif_mod pointer is NULL", ERL_NIF_LATIN1); } - return make_call_history(env,&data->nif_mod->call_history); + enif_mutex_lock(data->nif_mod->mtx); + ret = make_call_history(env, &data->nif_mod->call_history); + enif_mutex_unlock(data->nif_mod->mtx); + return ret; } static ERL_NIF_TERM list_seq(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) @@ -150,12 +198,34 @@ static int test_int(ErlNifEnv* env, int i1) return 1; } +static int test_uint(ErlNifEnv* env, unsigned i1) +{ + unsigned i2 = 0; + ERL_NIF_TERM int_term = enif_make_uint(env, i1); + if (!enif_get_uint(env,int_term, &i2) || i1 != i2) { + fprintf(stderr, "test_uint(%u) ...FAILED i2=%u\r\n", i1, i2); + return 0; + } + return 1; +} + +static int test_long(ErlNifEnv* env, long i1) +{ + long i2 = 0; + ERL_NIF_TERM int_term = enif_make_long(env, i1); + if (!enif_get_long(env,int_term, &i2) || i1 != i2) { + fprintf(stderr, "test_long(%ld) ...FAILED i2=%ld\r\n", i1, i2); + return 0; + } + return 1; +} + static int test_ulong(ErlNifEnv* env, unsigned long i1) { unsigned long i2 = 0; ERL_NIF_TERM int_term = enif_make_ulong(env, i1); if (!enif_get_ulong(env,int_term, &i2) || i1 != i2) { - fprintf(stderr, "SVERK: test_ulong(%lu) ...FAILED i2=%lu\r\n", i1, i2); + fprintf(stderr, "test_ulong(%lu) ...FAILED i2=%lu\r\n", i1, i2); return 0; } return 1; @@ -166,7 +236,7 @@ static int test_double(ErlNifEnv* env, double d1) double d2 = 0; ERL_NIF_TERM term = enif_make_double(env, d1); if (!enif_get_double(env,term, &d2) || d1 != d2) { - fprintf(stderr, "SVERK: test_double(%e) ...FAILED i2=%e\r\n", d1, d2); + fprintf(stderr, "test_double(%e) ...FAILED i2=%e\r\n", d1, d2); return 0; } return 1; @@ -180,32 +250,59 @@ static int test_double(ErlNifEnv* env, double d1) static ERL_NIF_TERM type_test(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) { int i; - unsigned long u; + int sint; + unsigned uint; + long slong; + unsigned long ulong; double d; ERL_NIF_TERM atom, ref1, ref2; - i = INT_MIN; + sint = INT_MIN; do { - if (!test_int(env,i)) { + if (!test_int(env,sint)) { goto error; } - i += ~i / 3 + 1; - } while (i < 0); - i = INT_MAX; + sint += ~sint / 3 + 1; + } while (sint < 0); + sint = INT_MAX; do { - if (!test_int(env,i)) { + if (!test_int(env,sint)) { goto error; } - i -= i / 3 + 1; - } while (i >= 0); + sint -= sint / 3 + 1; + } while (sint >= 0); - u = ULONG_MAX; + slong = LONG_MIN; + do { + if (!test_long(env,slong)) { + goto error; + } + slong += ~slong / 3 + 1; + } while (slong < 0); + slong = LONG_MAX; + do { + if (!test_long(env,slong)) { + goto error; + } + slong -= slong / 3 + 1; + } while (slong >= 0); + + + uint = UINT_MAX; for (;;) { - if (!test_ulong(env,u)) { + if (!test_uint(env,uint)) { } - if (u == 0) break; - u -= u / 3 + 1; + if (uint == 0) break; + uint -= uint / 3 + 1; + } + ulong = ULONG_MAX; + for (;;) { + if (!test_ulong(env,ulong)) { + + } + if (ulong == 0) break; + ulong -= ulong / 3 + 1; } if (MAX_SMALL < INT_MAX) { /* 32-bit */ @@ -219,11 +316,17 @@ static ERL_NIF_TERM type_test(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[ goto error; } } + for (i=-10 ; i <= 10; i++) { + if (!test_uint(env,MAX_SMALL+i)) { + goto error; + } + } } assert((MAX_SMALL < INT_MAX) == (MIN_SMALL > INT_MIN)); - for (u=0 ; u < 10; u++) { - if (!test_ulong(env,MAX_SMALL+u) || !test_ulong(env,MAX_SMALL-u)) { + for (i=-10 ; i < 10; i++) { + if (!test_long(env,MAX_SMALL+i) || !test_ulong(env,MAX_SMALL+i) || + !test_long(env,MIN_SMALL+i)) { goto error; } } @@ -236,12 +339,12 @@ static ERL_NIF_TERM type_test(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[ if (!enif_make_existing_atom(env,"nif_SUITE", &atom) || !enif_is_identical(env,atom,enif_make_atom(env,"nif_SUITE"))) { - fprintf(stderr, "SVERK: nif_SUITE not an atom?\r\n"); + fprintf(stderr, "nif_SUITE not an atom?\r\n"); goto error; } for (i=2; i; i--) { if (enif_make_existing_atom(env,"nif_SUITE_pink_unicorn", &atom)) { - fprintf(stderr, "SVERK: pink unicorn exist?\r\n"); + fprintf(stderr, "pink unicorn exist?\r\n"); goto error; } } @@ -249,7 +352,8 @@ static ERL_NIF_TERM type_test(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[ ref2 = enif_make_ref(env); if (!enif_is_ref(env,ref1) || !enif_is_ref(env,ref2) || enif_is_identical(env,ref1,ref2) || enif_compare(env,ref1,ref2)==0) { - fprintf(stderr, "SVERK: strange refs?\r\n"); + fprintf(stderr, "strange refs?\r\n"); + goto error; } return enif_make_atom(env,"ok"); @@ -260,7 +364,7 @@ error: static ERL_NIF_TERM tuple_2_list(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) { int arity = -1; - ERL_NIF_TERM* ptr; + const ERL_NIF_TERM* ptr; ERL_NIF_TERM list = enif_make_list(env,0); if (argc!=1 || !enif_get_tuple(env,argv[0],&arity,&ptr)) { @@ -304,6 +408,213 @@ badarg: return enif_make_badarg(env); } +static ERL_NIF_TERM clone_bin(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) +{ + ErlNifBinary ibin; + if (enif_inspect_binary(env,argv[0],&ibin)) { + ErlNifBinary obin; + enif_alloc_binary(env,ibin.size,&obin); + memcpy(obin.data,ibin.data,ibin.size); + /*enif_release_binary(env,&ibin);*/ + return enif_make_binary(env,&obin); + } + else { + return enif_make_badarg(env); + } +} + +static ERL_NIF_TERM make_sub_bin(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) +{ + int pos, size; + if (!enif_get_int(env,argv[1],&pos) || !enif_get_int(env,argv[2],&size)) { + return enif_make_badarg(env); + } + return enif_make_sub_binary(env,argv[0],pos,size); +} + +static ERL_NIF_TERM string_to_bin(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) +{ + ErlNifBinary obin; + unsigned size; + int n; + if (!enif_get_int(env,argv[1],(int*)&size) + || !enif_alloc_binary(env,size,&obin)) { + return enif_make_badarg(env); + } + n = enif_get_string(env, argv[0], (char*)obin.data, size, ERL_NIF_LATIN1); + return enif_make_tuple(env, 2, enif_make_int(env,n), + enif_make_binary(env,&obin)); +} + +static ERL_NIF_TERM atom_to_bin(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) +{ + ErlNifBinary obin; + unsigned size; + int n; + if (!enif_get_int(env,argv[1],(int*)&size) + || !enif_alloc_binary(env,size,&obin)) { + return enif_make_badarg(env); + } + n = enif_get_atom(env, argv[0], (char*)obin.data, size); + return enif_make_tuple(env, 2, enif_make_int(env,n), + enif_make_binary(env,&obin)); +} + +static ERL_NIF_TERM macros(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) +{ + const ERL_NIF_TERM* a; + ERL_NIF_TERM lists, tuples; + int arity; + if (!enif_get_tuple(env, argv[0], &arity, &a) || arity != 9) { + return enif_make_badarg(env); + } + + lists = enif_make_list(env,9, + enif_make_list1(env,a[0]), + enif_make_list2(env,a[0],a[1]), + enif_make_list3(env,a[0],a[1],a[2]), + enif_make_list4(env,a[0],a[1],a[2],a[3]), + enif_make_list5(env,a[0],a[1],a[2],a[3],a[4]), + enif_make_list6(env,a[0],a[1],a[2],a[3],a[4],a[5]), + enif_make_list7(env,a[0],a[1],a[2],a[3],a[4],a[5],a[6]), + enif_make_list8(env,a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7]), + enif_make_list9(env,a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8])); + tuples = enif_make_list(env,9, + enif_make_tuple1(env,a[0]), + enif_make_tuple2(env,a[0],a[1]), + enif_make_tuple3(env,a[0],a[1],a[2]), + enif_make_tuple4(env,a[0],a[1],a[2],a[3]), + enif_make_tuple5(env,a[0],a[1],a[2],a[3],a[4]), + enif_make_tuple6(env,a[0],a[1],a[2],a[3],a[4],a[5]), + enif_make_tuple7(env,a[0],a[1],a[2],a[3],a[4],a[5],a[6]), + enif_make_tuple8(env,a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7]), + enif_make_tuple9(env,a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8])); + return enif_make_tuple2(env,lists,tuples); +} + +static ERL_NIF_TERM tuple_2_list_and_tuple(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) +{ + const ERL_NIF_TERM* arr; + int arity; + if (!enif_get_tuple(env,argv[0],&arity,&arr)) { + return enif_make_badarg(env); + } + return enif_make_tuple2(env, + enif_make_list_from_array(env, arr, arity), + enif_make_tuple_from_array(env, arr, arity)); +} + +static ERL_NIF_TERM iolist_2_bin(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) +{ + ErlNifBinary obin; + if (!enif_inspect_iolist_as_binary(env, argv[0], &obin)) { + return enif_make_badarg(env); + } + return enif_make_binary(env,&obin); +} + +static ERL_NIF_TERM last_resource_dtor_call(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) +{ + ErlNifBinary bin; + ERL_NIF_TERM ret; + if (resource_dtor_last != NULL) { + enif_alloc_binary(env, resource_dtor_last_sz, &bin); + memcpy(bin.data, resource_dtor_last_data, resource_dtor_last_sz); + ret = enif_make_tuple3(env, + enif_make_long(env, (long)resource_dtor_last), + enif_make_binary(env, &bin), + enif_make_int(env, resource_dtor_cnt)); + } + else { + ret = enif_make_list(env,0); + } + resource_dtor_last = NULL; + resource_dtor_last_sz = 0; + resource_dtor_cnt = 0; + return ret; +} + +static ERL_NIF_TERM get_resource_type(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) +{ + PrivData* data = (PrivData*) enif_get_data(env); + int ix; + + if (!enif_get_int(env, argv[0], &ix) || ix >= 2) { + return enif_make_badarg(env); + } + return enif_make_long(env, data->rt_arr[ix].l); +} + +static ERL_NIF_TERM alloc_resource(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) +{ + ErlNifBinary data_bin; + union { ErlNifResourceType* t; long l;} type; + union { void* p; long l;} data; + if (!enif_get_long(env, argv[0], &type.l) + || !enif_inspect_binary(env, argv[1], &data_bin) + || (data.p = enif_alloc_resource(env, type.t, data_bin.size))==NULL) { + + return enif_make_badarg(env); + } + memcpy(data.p, data_bin.data, data_bin.size); + return enif_make_long(env, data.l); +} + +static ERL_NIF_TERM make_resource(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) +{ + union { void* p; long l; } data; + if (!enif_get_long(env, argv[0], &data.l)) { + return enif_make_badarg(env); + } + return enif_make_resource(env, data.p); +} + +static ERL_NIF_TERM make_new_resource(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) +{ + ErlNifBinary data_bin; + union { ErlNifResourceType* t; long l;} type; + void* data; + ERL_NIF_TERM ret; + if (!enif_get_long(env, argv[0], &type.l) + || !enif_inspect_binary(env, argv[1], &data_bin) + || (data = enif_alloc_resource(env, type.t, data_bin.size))==NULL) { + + return enif_make_badarg(env); + } + ret = enif_make_resource(env, data); + memcpy(data, data_bin.data, data_bin.size); + enif_release_resource(env, data); + return ret; +} + +static ERL_NIF_TERM get_resource(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) +{ + ErlNifBinary data_bin; + union { ErlNifResourceType* t; long l; } type; + union { void* p; long l; } data; + + if (!enif_get_long(env, argv[0], &type.l) + || !enif_get_resource(env, argv[1], type.t, &data.p)) { + return enif_make_badarg(env); + } + + enif_alloc_binary(env, enif_sizeof_resource(env,data.p), &data_bin); + memcpy(data_bin.data, data.p, data_bin.size); + return enif_make_tuple2(env, enif_make_long(env,data.l), + enif_make_binary(env, &data_bin)); +} + +static ERL_NIF_TERM release_resource(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) +{ + union { void* p; long l; } data; + if (!enif_get_long(env, argv[0], &data.l)) { + return enif_make_badarg(env); + } + enif_release_resource(env, data.p); + return enif_make_atom(env,"ok"); +} + + static ErlNifFunc nif_funcs[] = { {"lib_version", 0, lib_version}, @@ -315,7 +626,22 @@ static ErlNifFunc nif_funcs[] = {"tuple_2_list", 1, tuple_2_list}, {"is_identical",2,is_identical}, {"compare",2,compare}, - {"many_args_100", 100, many_args_100} + {"many_args_100", 100, many_args_100}, + {"clone_bin", 1, clone_bin}, + {"make_sub_bin", 3, make_sub_bin}, + {"string_to_bin", 2, string_to_bin}, + {"atom_to_bin", 2, atom_to_bin}, + {"macros", 1, macros}, + {"tuple_2_list_and_tuple",1,tuple_2_list_and_tuple}, + {"iolist_2_bin", 1, iolist_2_bin}, + {"get_resource_type", 1, get_resource_type}, + {"alloc_resource", 2, alloc_resource}, + {"make_resource", 1, make_resource}, + {"get_resource", 2, get_resource}, + {"release_resource", 1, release_resource}, + {"last_resource_dtor_call", 0, last_resource_dtor_call}, + {"make_new_resource", 2, make_new_resource} + }; ERL_NIF_INIT(nif_SUITE,nif_funcs,load,reload,upgrade,unload) diff --git a/erts/emulator/test/nif_SUITE_data/nif_mod.c b/erts/emulator/test/nif_SUITE_data/nif_mod.c index 2f2267cf78..c075b74c57 100644 --- a/erts/emulator/test/nif_SUITE_data/nif_mod.c +++ b/erts/emulator/test/nif_SUITE_data/nif_mod.c @@ -1,51 +1,182 @@ #include "erl_nif.h" #include <string.h> -#include <assert.h> +#include <stdio.h> #include "nif_mod.h" +#define CHECK(X) ((void)((X) || (check_abort(__LINE__),1))) +#ifdef __GNUC__ +static void check_abort(unsigned line) __attribute__((noreturn)); +#endif +static void check_abort(unsigned line) +{ + enif_fprintf(stderr, "Test CHECK failed at %s:%u\r\n", + __FILE__, line); + abort(); +} static int static_cntA; /* zero by default */ static int static_cntB = NIF_LIB_VER * 100; -static void add_call(ErlNifEnv* env, NifModPrivData* data, const char* func_name) +static ERL_NIF_TERM am_true; +static ERL_NIF_TERM am_null; +static ERL_NIF_TERM am_resource_type; +static ERL_NIF_TERM am_resource_dtor_A; +static ERL_NIF_TERM am_resource_dtor_B; + +static void init(ErlNifEnv* env) +{ + am_true = enif_make_atom(env, "true"); + am_null = enif_make_atom(env, "null"); + am_resource_type = enif_make_atom(env, "resource_type"); + am_resource_dtor_A = enif_make_atom(env, "resource_dtor_A"); + am_resource_dtor_B = enif_make_atom(env, "resource_dtor_B"); +} + +static void add_call_with_arg(ErlNifEnv* env, NifModPrivData* data, const char* func_name, + const char* arg, int arg_sz) { - CallInfo* call = enif_alloc(env, sizeof(CallInfo)+strlen(func_name)); + CallInfo* call = enif_alloc(env, sizeof(CallInfo)+strlen(func_name) + arg_sz); strcpy(call->func_name, func_name); call->lib_ver = NIF_LIB_VER; call->static_cntA = ++static_cntA; call->static_cntB = ++static_cntB; + call->arg_sz = arg_sz; + if (arg != NULL) { + call->arg = call->func_name + strlen(func_name) + 1; + memcpy(call->arg, arg, arg_sz); + } + else { + call->arg = NULL; + } + enif_mutex_lock(data->mtx); call->next = data->call_history; data->call_history = call; + enif_mutex_unlock(data->mtx); +} + +static void add_call(ErlNifEnv* env, NifModPrivData* data,const char* func_name) +{ + add_call_with_arg(env, data, func_name, NULL, 0); +} + +#define ADD_CALL(FUNC_NAME) add_call(env, enif_priv_data(env),FUNC_NAME) + +#define STRINGIFY_(X) #X +#define STRINGIFY(X) STRINGIFY_(X) + +static void resource_dtor_A(ErlNifEnv* env, void* a) +{ + const char dtor_name[] = "resource_dtor_A_v" STRINGIFY(NIF_LIB_VER); + + add_call_with_arg(env, enif_priv_data(env), dtor_name, + a, enif_sizeof_resource(env, a)); +} + +static void resource_dtor_B(ErlNifEnv* env, void* a) +{ + const char dtor_name[] = "resource_dtor_B_v" STRINGIFY(NIF_LIB_VER); + + add_call_with_arg(env, enif_priv_data(env), dtor_name, + a, enif_sizeof_resource(env, a)); +} + +/* {resource_type, Ix|null, ErlNifResourceFlags in, "TypeName", dtor(A|B|null), ErlNifResourceFlags out}*/ +static void open_resource_type(ErlNifEnv* env, ERL_NIF_TERM op_tpl) +{ + NifModPrivData* data = enif_priv_data(env); + const ERL_NIF_TERM* arr; + int arity; + char rt_name[30]; + union { enum ErlNifResourceFlags e; int i; } flags, exp_res, got_res; + unsigned ix; + ErlNifResourceDtor* dtor; + ErlNifResourceType* got_ptr; + + CHECK(enif_get_tuple(env, op_tpl, &arity, &arr)); + CHECK(arity == 6); + CHECK(enif_is_identical(env, arr[0], am_resource_type)); + CHECK(enif_get_int(env, arr[2], &flags.i)); + CHECK(enif_get_string(env, arr[3], rt_name, sizeof(rt_name), ERL_NIF_LATIN1) > 0); + CHECK(enif_get_int(env, arr[5], &exp_res.i)); + + if (enif_is_identical(env, arr[4], am_null)) { + dtor = NULL; + } + else if (enif_is_identical(env, arr[4], am_resource_dtor_A)) { + dtor = resource_dtor_A; + } + else { + CHECK(enif_is_identical(env, arr[4], am_resource_dtor_B)); + dtor = resource_dtor_B; + } + + got_ptr = enif_open_resource_type(env, rt_name, dtor, + flags.e, &got_res.e); + + if (enif_get_uint(env, arr[1], &ix) && ix < RT_MAX && got_ptr != NULL) { + data->rt_arr[ix] = got_ptr; + } + else { + CHECK(enif_is_identical(env, arr[1], am_null)); + CHECK(got_ptr == NULL); + } + CHECK(got_res.e == exp_res.e); } -#define ADD_CALL(FUNC_NAME) add_call(env, enif_get_data(env),FUNC_NAME) +static void do_load_info(ErlNifEnv* env, ERL_NIF_TERM load_info) +{ + NifModPrivData* data = enif_priv_data(env); + ERL_NIF_TERM head, tail; + unsigned ix; + for (ix=0; ix<RT_MAX; ix++) { + data->rt_arr[ix] = NULL; + } + for (head = load_info; enif_get_list_cell(env, head, &head, &tail); + head = tail) { + + open_resource_type(env, head); + } + CHECK(enif_is_empty_list(env, head)); +} static int load(ErlNifEnv* env, void** priv_data, ERL_NIF_TERM load_info) { - NifModPrivData* data = enif_alloc(env, sizeof(NifModPrivData)); - assert(data != NULL); + NifModPrivData* data; + + init(env); + data = enif_alloc(env, sizeof(NifModPrivData)); + CHECK(data != NULL); + *priv_data = data; + data->mtx = enif_mutex_create("nif_mod_priv_data"); data->ref_cnt = 1; data->call_history = NULL; add_call(env, data, "load"); - data->calls = 0; - *priv_data = data; + do_load_info(env, load_info); + data->calls = 0; return 0; } static int reload(ErlNifEnv* env, void** priv_data, ERL_NIF_TERM load_info) { + init(env); add_call(env, *priv_data, "reload"); + + do_load_info(env, load_info); return 0; } static int upgrade(ErlNifEnv* env, void** priv_data, void** old_priv_data, ERL_NIF_TERM load_info) { NifModPrivData* data = *old_priv_data; + init(env); add_call(env, data, "upgrade"); data->ref_cnt++; + *priv_data = *old_priv_data; + do_load_info(env, load_info); + return 0; } @@ -53,9 +184,13 @@ static void unload(ErlNifEnv* env, void* priv_data) { NifModPrivData* data = priv_data; add_call(env, data, "unload"); + enif_mutex_lock(data->mtx); if (--data->ref_cnt == 0) { + enif_mutex_unlock(data->mtx); + enif_mutex_destroy(data->mtx); enif_free(env, data); } + enif_mutex_unlock(data->mtx); } static ERL_NIF_TERM lib_version(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) @@ -64,35 +199,51 @@ static ERL_NIF_TERM lib_version(ErlNifEnv* env, int argc, const ERL_NIF_TERM arg return enif_make_int(env, NIF_LIB_VER); } -static ERL_NIF_TERM call_history(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) +static ERL_NIF_TERM get_priv_data_ptr(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) { - NifModPrivData* data = (NifModPrivData*) enif_get_data(env); - ERL_NIF_TERM list = enif_make_list(env, 0); /* NIL */ + ADD_CALL("get_priv_data_ptr"); + return enif_make_ulong(env, (unsigned long)enif_priv_data(env)); +} - while (data->call_history != NULL) { - CallInfo* call = data->call_history; - ERL_NIF_TERM tpl = enif_make_tuple(env, 2, - enif_make_atom(env,call->func_name), - enif_make_int(env,call->lib_ver)); - list = enif_make_list_cell(env, tpl, list); - data->call_history = call->next; - enif_free(env,call); +static ERL_NIF_TERM make_new_resource(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) +{ + NifModPrivData* data = (NifModPrivData*) enif_priv_data(env); + ErlNifBinary ibin; + char* a; + ERL_NIF_TERM ret; + unsigned ix; + if (!enif_get_uint(env, argv[0], &ix) || ix >= RT_MAX + || !enif_inspect_binary(env, argv[1], &ibin)) { + return enif_make_badarg(env); } - return list; + a = enif_alloc_resource(env, data->rt_arr[ix], ibin.size); + memcpy(a, ibin.data, ibin.size); + ret = enif_make_resource(env, a); + enif_release_resource(env, a); + return ret; } -static ERL_NIF_TERM get_priv_data_ptr(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) +static ERL_NIF_TERM get_resource(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) { - ADD_CALL("get_priv_data_ptr"); - return enif_make_ulong(env, (unsigned long)enif_get_data(env)); + NifModPrivData* data = (NifModPrivData*) enif_priv_data(env); + ErlNifBinary obin; + unsigned ix; + void* a; + if (!enif_get_uint(env, argv[0], &ix) || ix >= RT_MAX + || !enif_get_resource(env, argv[1], data->rt_arr[ix], &a) + || !enif_alloc_binary(env, enif_sizeof_resource(env, a), &obin)) { + return enif_make_badarg(env); + } + memcpy(obin.data, a, obin.size); + return enif_make_binary(env, &obin); } - static ErlNifFunc nif_funcs[] = { {"lib_version", 0, lib_version}, - {"call_history", 0, call_history}, - {"get_priv_data_ptr", 0, get_priv_data_ptr} + {"get_priv_data_ptr", 0, get_priv_data_ptr}, + {"make_new_resource", 2, make_new_resource}, + {"get_resource", 2, get_resource} }; #if NIF_LIB_VER != 3 diff --git a/erts/emulator/test/nif_SUITE_data/nif_mod.erl b/erts/emulator/test/nif_SUITE_data/nif_mod.erl index 93da6590a0..7888a589e7 100644 --- a/erts/emulator/test/nif_SUITE_data/nif_mod.erl +++ b/erts/emulator/test/nif_SUITE_data/nif_mod.erl @@ -21,15 +21,19 @@ -include("test_server.hrl"). --export([load_nif_lib/2, start/0, lib_version/0, call_history/0, get_priv_data_ptr/0]). +-export([load_nif_lib/2, load_nif_lib/3, start/0, lib_version/0, call_history/0, + get_priv_data_ptr/0, make_new_resource/2, get_resource/2]). -export([loop/0, upgrade/1]). -define(nif_stub,nif_stub_error(?LINE)). load_nif_lib(Config, Ver) -> + load_nif_lib(Config, Ver, []). + +load_nif_lib(Config, Ver, LoadInfo) -> ?line Path = ?config(data_dir, Config), - erlang:load_nif(filename:join(Path,libname(Ver)), 0). + erlang:load_nif(filename:join(Path,libname(Ver)), LoadInfo). libname(no_init) -> libname(3); libname(Ver) when is_integer(Ver) -> @@ -59,6 +63,8 @@ lib_version() -> % NIF call_history() -> ?nif_stub. get_priv_data_ptr() -> ?nif_stub. +make_new_resource(_,_) -> ?nif_stub. +get_resource(_,_) -> ?nif_stub. nif_stub_error(Line) -> exit({nif_not_loaded,module,?MODULE,line,Line}). diff --git a/erts/emulator/test/nif_SUITE_data/nif_mod.h b/erts/emulator/test/nif_SUITE_data/nif_mod.h index 2dfdc75176..0eaf91d6e1 100644 --- a/erts/emulator/test/nif_SUITE_data/nif_mod.h +++ b/erts/emulator/test/nif_SUITE_data/nif_mod.h @@ -4,14 +4,19 @@ typedef struct call_info_t unsigned lib_ver; int static_cntA; int static_cntB; + char* arg; + int arg_sz; char func_name[1]; /* must be last */ }CallInfo; +#define RT_MAX 5 typedef struct { + ErlNifMutex* mtx; int calls; int ref_cnt; CallInfo* call_history; + ErlNifResourceType* rt_arr[RT_MAX]; }NifModPrivData; diff --git a/erts/emulator/test/nif_SUITE_data/tail.txt b/erts/emulator/test/nif_SUITE_data/tail.txt new file mode 100644 index 0000000000..7f06c118c1 --- /dev/null +++ b/erts/emulator/test/nif_SUITE_data/tail.txt @@ -0,0 +1,5 @@ + + +#include "tester.c" /* poor mans linker */ + + diff --git a/erts/emulator/test/nif_SUITE_data/testcase_driver.h b/erts/emulator/test/nif_SUITE_data/testcase_driver.h new file mode 100644 index 0000000000..98339e4746 --- /dev/null +++ b/erts/emulator/test/nif_SUITE_data/testcase_driver.h @@ -0,0 +1,59 @@ +/* ``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 + * compliance with the License. You should have received a copy of the + * Erlang Public License along with this software. If not, it can be + * retrieved via the world wide web at http://www.erlang.org/. + * + * Software distributed under the License is distributed on an "AS IS" + * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See + * the License for the specific language governing rights and limitations + * under the License. + * + * The Initial Developer of the Original Code is Ericsson Utvecklings AB. + * Portions created by Ericsson are Copyright 1999, Ericsson Utvecklings + * AB. All Rights Reserved.'' + * + * $Id$ + */ + +#ifndef TESTCASE_DRIVER_H__ +#define TESTCASE_DRIVER_H__ + +#include "erl_nif.h" +#include <stdlib.h> +#include <stdio.h> + +typedef struct { + char *testcase_name; + char *command; + int command_len; + void *extra; +} TestCaseState_t; + +#define ASSERT_CLNUP(TCS, B, CLN) \ +do { \ + if (!(B)) { \ + CLN; \ + testcase_assertion_failed((TCS), __FILE__, __LINE__, #B); \ + } \ +} while (0) + +#define ASSERT(TCS, B) ASSERT_CLNUP(TCS, B, (void) 0) + + +void testcase_printf(TestCaseState_t *tcs, char *frmt, ...); +void testcase_succeeded(TestCaseState_t *tcs, char *frmt, ...); +void testcase_skipped(TestCaseState_t *tcs, char *frmt, ...); +void testcase_failed(TestCaseState_t *tcs, char *frmt, ...); +int testcase_assertion_failed(TestCaseState_t *tcs, char *file, int line, + char *assertion); +void *testcase_alloc(size_t size); +void *testcase_realloc(void *ptr, size_t size); +void testcase_free(void *ptr); + + +char *testcase_name(void); +void testcase_run(TestCaseState_t *tcs); +void testcase_cleanup(TestCaseState_t *tcs); + +#endif diff --git a/erts/emulator/test/nif_SUITE_data/tester.c b/erts/emulator/test/nif_SUITE_data/tester.c new file mode 100644 index 0000000000..08466d0f18 --- /dev/null +++ b/erts/emulator/test/nif_SUITE_data/tester.c @@ -0,0 +1,73 @@ +#include "erl_nif.h" + +#include <stdio.h> +#include <stdarg.h> + +void testcase_printf(TestCaseState_t *tcs, char *frmt, ...) +{ + va_list va; + va_start(va, frmt); + vfprintf(stderr, frmt, va); + va_end(va); + fprintf(stderr, "\r"); +} + +void testcase_succeeded(TestCaseState_t *tcs, char *frmt, ...) +{ +} + +void testcase_skipped(TestCaseState_t *tcs, char *frmt, ...) +{ +} + +void testcase_failed(TestCaseState_t *tcs, char *frmt, ...) +{ + va_list va; + va_start(va, frmt); + vfprintf(stderr, frmt, va); + va_end(va); + abort(); +} + +int testcase_assertion_failed(TestCaseState_t *tcs, char *file, int line, + char *assertion) +{ + testcase_failed(tcs, "ASSERTION '%s' FAILED at %s:%d\r\n", + assertion, file, line); + abort(); + return 0; /*?*/ +} + +void *testcase_alloc(size_t size) +{ + return malloc(size); +} +void *testcase_realloc(void *ptr, size_t size) +{ + return realloc(ptr, size); +} +void testcase_free(void *ptr) +{ + free(ptr); +} + +void testcase_run(TestCaseState_t *tcs); + +static int reload(ErlNifEnv* env, void** priv_data, ERL_NIF_TERM load_info) +{ + return 0; +} + +static ERL_NIF_TERM run(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) +{ + testcase_run(NULL); + return enif_make_atom(env, "ok"); +} + +static ErlNifFunc nif_funcs[] = +{ + {"run", 0, run} +}; + +ERL_NIF_INIT(tester,nif_funcs,NULL,reload,NULL,NULL) + diff --git a/erts/emulator/test/nif_SUITE_data/tester.erl b/erts/emulator/test/nif_SUITE_data/tester.erl new file mode 100644 index 0000000000..9df2158200 --- /dev/null +++ b/erts/emulator/test/nif_SUITE_data/tester.erl @@ -0,0 +1,13 @@ +-module(tester). + +-include("test_server.hrl"). + +-export([load_nif_lib/2, run/0]). + + +load_nif_lib(Config, LibName) -> + ?line Path = ?config(data_dir, Config), + erlang:load_nif(filename:join(Path,LibName), []). + +run() -> + exit({nif_not_loaded,?MODULE,?LINE}). |