diff options
Diffstat (limited to 'erts/doc')
| -rw-r--r-- | erts/doc/src/erl_nif.xml | 36 | ||||
| -rw-r--r-- | erts/doc/src/notes.xml | 41 |
2 files changed, 66 insertions, 11 deletions
diff --git a/erts/doc/src/erl_nif.xml b/erts/doc/src/erl_nif.xml index 6bb1109415..05b519fe7d 100644 --- a/erts/doc/src/erl_nif.xml +++ b/erts/doc/src/erl_nif.xml @@ -813,6 +813,29 @@ typedef enum { </item> </taglist> </item> + <tag><marker id="ErlNifHash"/><c>ErlNifHash</c></tag> + <item> + <p>An enumeration of the supported hash types that can be generated + using <seealso marker="#enif_hash"><c>enif_hash</c></seealso>. + </p> + <taglist> + <tag><c>ERL_NIF_INTERNAL_HASH</c></tag> + <item> + <p>Non-portable hash function that only guarantees the same hash + for the same term within one Erlang VM instance.</p> + <p>It takes 32-bit salt values and generates hashes within <c>0..2^32-1</c>.</p> + </item> + <tag><c>ERL_NIF_PHASH2</c></tag> + <item> + <p>Portable hash function that gives the same hash for the + same Erlang term regardless of machine architecture and ERTS version.</p> + <p><em>It ignores salt values</em> and generates hashes within <c>0..2^27-1</c>.</p> + <p>Slower than <c>ERL_NIF_INTERNAL_HASH.</c> + It corresponds to <seealso marker="erlang#phash2-1"><c>erlang:phash2/1</c></seealso>. + </p> + </item> + </taglist> + </item> </taglist> </section> @@ -1387,6 +1410,19 @@ typedef enum { </func> <func> + <name> + <ret>ErlNifUInt64</ret> + <nametext>enif_hash(ErlNifHash type, ERL_NIF_TERM term, ErlNifUInt64 salt)</nametext> + </name> + <fsummary>Hash terms.</fsummary> + <desc> + <p>Hashes <c>term</c> according to the specified + <seealso marker="#ErlNifHash"><c>ErlNifHash</c></seealso> <c>type</c>.</p> + <p>Ranges of taken salt (if any) and returned value depend on the hash type.</p> + </desc> + </func> + + <func> <name><ret>int</ret><nametext>enif_inspect_binary(ErlNifEnv* env, ERL_NIF_TERM bin_term, ErlNifBinary* bin)</nametext></name> <fsummary>Inspect the content of a binary.</fsummary> diff --git a/erts/doc/src/notes.xml b/erts/doc/src/notes.xml index 3b86a4dcdf..152d144234 100644 --- a/erts/doc/src/notes.xml +++ b/erts/doc/src/notes.xml @@ -32,40 +32,52 @@ <p>This document describes the changes made to the ERTS application.</p> -<section><title>Erts 8.3.2</title> +<section><title>Erts 8.3.3</title> <section><title>Fixed Bugs and Malfunctions</title> <list> <item> <p> - The <c>+Bi</c> command line argument of <c>erl</c> - erroneously caused <c>SIGTERM</c> to be ignored by the VM - as well as of all its child processes. This bug was - introduced in erts version 8.3.</p> + Fixed memory segment cache used for multiblock carriers. + Huge (> 2GB) memory segments could cause a VM crash. + Creation of such huge memory segments used for multiblock + carriers is however very uncommon.</p> <p> - Own Id: OTP-14358 Aux Id: OTP-14085 </p> + Own Id: OTP-14360 Aux Id: ERL-401, PR-1417 </p> + </item> + <item> + <p> + Fix release note for OTP-14290 in ERTS version 8.3.1. It + was erroneously placed under "Known Bugs and Problems".</p> + <p> + Own Id: OTP-14363 Aux Id: OTP-14290 </p> </item> </list> </section> </section> -<section><title>Erts 8.3.1</title> +<section><title>Erts 8.3.2</title> <section><title>Fixed Bugs and Malfunctions</title> <list> <item> <p> - Trying to open a directory with file:read_file/1 on Unix - leaked a file descriptor. This bug has now been fixed.</p> + The <c>+Bi</c> command line argument of <c>erl</c> + erroneously caused <c>SIGTERM</c> to be ignored by the VM + as well as of all its child processes. This bug was + introduced in erts version 8.3.</p> <p> - Own Id: OTP-14308 Aux Id: ERL-383 </p> + Own Id: OTP-14358 Aux Id: OTP-14085 </p> </item> </list> </section> +</section> - <section><title>Known Bugs and Problems</title> +<section><title>Erts 8.3.1</title> + + <section><title>Fixed Bugs and Malfunctions</title> <list> <item> <p> @@ -76,6 +88,13 @@ <p> Own Id: OTP-14290</p> </item> + <item> + <p> + Trying to open a directory with file:read_file/1 on Unix + leaked a file descriptor. This bug has now been fixed.</p> + <p> + Own Id: OTP-14308 Aux Id: ERL-383 </p> + </item> </list> </section> |