diff options
author | Sverker Eriksson <sverker@erlang.org> | 2012-11-28 12:26:30 +0100 |
---|---|---|
committer | Sverker Eriksson <sverker@erlang.org> | 2012-11-28 12:27:36 +0100 |
commit | 0ba0ffb914fa423ef34faa233f5bd92e9fa753ab (patch) | |
tree | 20609b83b125c179ab98e2ee0c4b549baae9c2f1 /erts/emulator/beam | |
parent | 4789aa5ab21e86e59fb0098938729d7cd46f385f (diff) | |
parent | b7b4abaeac8e559a3a4f587d46dc0014332b517e (diff) | |
download | otp-0ba0ffb914fa423ef34faa233f5bd92e9fa753ab.tar.gz otp-0ba0ffb914fa423ef34faa233f5bd92e9fa753ab.tar.bz2 otp-0ba0ffb914fa423ef34faa233f5bd92e9fa753ab.zip |
Merge branch 'sverk/crypto-unloading'
* sverk/crypto-unloading:
crypto: Link crypto_callback statically
crypto: Add debug print macros
crypto: Enable runtime upgrade of crypto
crypto: Make unloading of crypto safer
OTP-10596
Diffstat (limited to 'erts/emulator/beam')
-rw-r--r-- | erts/emulator/beam/erl_nif.c | 38 | ||||
-rw-r--r-- | erts/emulator/beam/erl_nif_api_funcs.h | 4 | ||||
-rw-r--r-- | erts/emulator/beam/sys.h | 4 |
3 files changed, 44 insertions, 2 deletions
diff --git a/erts/emulator/beam/erl_nif.c b/erts/emulator/beam/erl_nif.c index 0dca588847..632d756481 100644 --- a/erts/emulator/beam/erl_nif.c +++ b/erts/emulator/beam/erl_nif.c @@ -1396,6 +1396,44 @@ size_t enif_sizeof_resource(void* obj) return ERTS_MAGIC_BIN_DATA_SIZE(bin) - offsetof(ErlNifResource,data); } + +void* enif_dlopen(const char* lib, + void (*err_handler)(void*,const char*), void* err_arg) +{ + ErtsSysDdllError errdesc = ERTS_SYS_DDLL_ERROR_INIT; + void* handle; + void* init_func; + if (erts_sys_ddll_open2(lib, &handle, &errdesc) == ERL_DE_NO_ERROR) { + if (erts_sys_ddll_load_nif_init(handle, &init_func, &errdesc) == ERL_DE_NO_ERROR) { + erts_sys_ddll_call_nif_init(init_func); + } + } + else { + if (err_handler != NULL) { + (*err_handler)(err_arg, errdesc.str); + } + handle = NULL; + } + erts_sys_ddll_free_error(&errdesc); + return handle; +} + +void* enif_dlsym(void* handle, const char* symbol, + void (*err_handler)(void*,const char*), void* err_arg) +{ + ErtsSysDdllError errdesc = ERTS_SYS_DDLL_ERROR_INIT; + void* ret; + if (erts_sys_ddll_sym2(handle, symbol, &ret, &errdesc) != ERL_DE_NO_ERROR) { + if (err_handler != NULL) { + (*err_handler)(err_arg, errdesc.str); + } + erts_sys_ddll_free_error(&errdesc); + return NULL; + } + return ret; +} + + /*************************************************************************** ** load_nif/2 ** ***************************************************************************/ diff --git a/erts/emulator/beam/erl_nif_api_funcs.h b/erts/emulator/beam/erl_nif_api_funcs.h index 6396af09d0..51ff1eaa48 100644 --- a/erts/emulator/beam/erl_nif_api_funcs.h +++ b/erts/emulator/beam/erl_nif_api_funcs.h @@ -138,6 +138,8 @@ ERL_NIF_API_FUNC_DECL(ERL_NIF_TERM,enif_make_uint64,(ErlNifEnv*, ErlNifUInt64)); ERL_NIF_API_FUNC_DECL(int,enif_is_exception,(ErlNifEnv*, ERL_NIF_TERM term)); ERL_NIF_API_FUNC_DECL(int,enif_make_reverse_list,(ErlNifEnv*, ERL_NIF_TERM term, ERL_NIF_TERM *list)); ERL_NIF_API_FUNC_DECL(int,enif_is_number,(ErlNifEnv*, ERL_NIF_TERM term)); +ERL_NIF_API_FUNC_DECL(void*,enif_dlopen,(const char* lib, void (*err_handler)(void*,const char*), void* err_arg)); +ERL_NIF_API_FUNC_DECL(void*,enif_dlsym,(void* handle, const char* symbol, void (*err_handler)(void*,const char*), void* err_arg)); /* ** Add new entries here to keep compatibility on Windows!!! @@ -260,6 +262,8 @@ ERL_NIF_API_FUNC_DECL(int,enif_is_number,(ErlNifEnv*, ERL_NIF_TERM term)); # define enif_is_exception ERL_NIF_API_FUNC_MACRO(enif_is_exception) # define enif_make_reverse_list ERL_NIF_API_FUNC_MACRO(enif_make_reverse_list) # define enif_is_number ERL_NIF_API_FUNC_MACRO(enif_is_number) +# define enif_dlopen ERL_NIF_API_FUNC_MACRO(enif_dlopen) +# define enif_dlsym ERL_NIF_API_FUNC_MACRO(enif_dlsym) /* ** Add new entries here diff --git a/erts/emulator/beam/sys.h b/erts/emulator/beam/sys.h index 8957bb5bde..c5af5b9577 100644 --- a/erts/emulator/beam/sys.h +++ b/erts/emulator/beam/sys.h @@ -618,7 +618,7 @@ typedef struct { #define ERTS_SYS_DDLL_ERROR_INIT {NULL} extern void erts_sys_ddll_free_error(ErtsSysDdllError*); extern void erl_sys_ddll_init(void); /* to initialize mutexes etc */ -extern int erts_sys_ddll_open2(char *path, void **handle, ErtsSysDdllError*); +extern int erts_sys_ddll_open2(const char *path, void **handle, ErtsSysDdllError*); #define erts_sys_ddll_open(P,H) erts_sys_ddll_open2(P,H,NULL) extern int erts_sys_ddll_open_noext(char *path, void **handle, ErtsSysDdllError*); extern int erts_sys_ddll_load_driver_init(void *handle, void **function); @@ -627,7 +627,7 @@ extern int erts_sys_ddll_close2(void *handle, ErtsSysDdllError*); #define erts_sys_ddll_close(H) erts_sys_ddll_close2(H,NULL) extern void *erts_sys_ddll_call_init(void *function); extern void *erts_sys_ddll_call_nif_init(void *function); -extern int erts_sys_ddll_sym2(void *handle, char *name, void **function, ErtsSysDdllError*); +extern int erts_sys_ddll_sym2(void *handle, const char *name, void **function, ErtsSysDdllError*); #define erts_sys_ddll_sym(H,N,F) erts_sys_ddll_sym2(H,N,F,NULL) extern char *erts_sys_ddll_error(int code); |