diff options
| author | John Högberg <[email protected]> | 2017-11-07 09:31:24 +0100 |
|---|---|---|
| committer | John Högberg <[email protected]> | 2017-11-30 15:26:26 +0100 |
| commit | 5036bf7d5006a6f1a4294b4a3b1f4120d39113ac (patch) | |
| tree | d08757379bef5c9e5607c1da95909e4511d51cc9 /erts/emulator/beam/erl_nif_api_funcs.h | |
| parent | f5e99a55d4d62074d2bd2e5a58c578a31bc214c8 (diff) | |
| download | otp-5036bf7d5006a6f1a4294b4a3b1f4120d39113ac.tar.gz otp-5036bf7d5006a6f1a4294b4a3b1f4120d39113ac.tar.bz2 otp-5036bf7d5006a6f1a4294b4a3b1f4120d39113ac.zip | |
Add enif_ioq_peek_head
This introduces a way to retrieve erlang terms from NIF IO queues
without having to resort to copying.
OTP-14797
Diffstat (limited to 'erts/emulator/beam/erl_nif_api_funcs.h')
| -rw-r--r-- | erts/emulator/beam/erl_nif_api_funcs.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/erts/emulator/beam/erl_nif_api_funcs.h b/erts/emulator/beam/erl_nif_api_funcs.h index 9e573307d8..3750fd9b68 100644 --- a/erts/emulator/beam/erl_nif_api_funcs.h +++ b/erts/emulator/beam/erl_nif_api_funcs.h @@ -198,6 +198,7 @@ ERL_NIF_API_FUNC_DECL(SysIOVec*,enif_ioq_peek,(ErlNifIOQueue *q, int *iovlen)); ERL_NIF_API_FUNC_DECL(int,enif_inspect_iovec,(ErlNifEnv *env, size_t max_length, ERL_NIF_TERM iovec_term, ERL_NIF_TERM *tail, ErlNifIOVec **iovec)); ERL_NIF_API_FUNC_DECL(void,enif_free_iovec,(ErlNifIOVec *iov)); +ERL_NIF_API_FUNC_DECL(int,enif_ioq_peek_head,(ErlNifEnv *env, ErlNifIOQueue *q, size_t *size, ERL_NIF_TERM *head)); /* ** ADD NEW ENTRIES HERE (before this comment) !!! @@ -373,6 +374,7 @@ ERL_NIF_API_FUNC_DECL(void,enif_free_iovec,(ErlNifIOVec *iov)); # define enif_ioq_peek ERL_NIF_API_FUNC_MACRO(enif_ioq_peek) # define enif_inspect_iovec ERL_NIF_API_FUNC_MACRO(enif_inspect_iovec) # define enif_free_iovec ERL_NIF_API_FUNC_MACRO(enif_free_iovec) +# define enif_ioq_peek_head ERL_NIF_API_FUNC_MACRO(enif_ioq_peek_head) /* ** ADD NEW ENTRIES HERE (before this comment) |