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| author | Björn-Egil Dahlberg <[email protected]> | 2015-11-18 18:47:55 +0100 |
|---|---|---|
| committer | Björn-Egil Dahlberg <[email protected]> | 2015-11-18 18:47:55 +0100 |
| commit | 8b93e77a6d3df65e45a3ca3e2ec9dd4c52464f63 (patch) | |
| tree | 659ca0b135d368f317a53459eb848233c0930909 /erts/emulator | |
| parent | 5d764f988ab09326d24e39a172083b09ab364c6c (diff) | |
| download | otp-8b93e77a6d3df65e45a3ca3e2ec9dd4c52464f63.tar.gz otp-8b93e77a6d3df65e45a3ca3e2ec9dd4c52464f63.tar.bz2 otp-8b93e77a6d3df65e45a3ca3e2ec9dd4c52464f63.zip | |
Use sharing preserving copy in enif_make_copy
Diffstat (limited to 'erts/emulator')
| -rw-r--r-- | erts/emulator/beam/erl_nif.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/erts/emulator/beam/erl_nif.c b/erts/emulator/beam/erl_nif.c index a37cda93ef..2ff509e6d0 100644 --- a/erts/emulator/beam/erl_nif.c +++ b/erts/emulator/beam/erl_nif.c @@ -379,9 +379,19 @@ ERL_NIF_TERM enif_make_copy(ErlNifEnv* dst_env, ERL_NIF_TERM src_term) { Uint sz; Eterm* hp; +#ifdef SHCOPY + erts_shcopy_t info; + INITIALIZE_SHCOPY(info); + sz = copy_shared_calculate(src_term, &info); + hp = alloc_heap(dst_env, sz); + src_term = copy_shared_perform(src_term, sz, &info, &hp, &MSO(dst_env->proc)); + DESTROY_SHCOPY(info); + return src_term; +#else sz = size_object(src_term); hp = alloc_heap(dst_env, sz); return copy_struct(src_term, sz, &hp, &MSO(dst_env->proc)); +#endif } |