diff options
| -rw-r--r-- | erts/doc/src/driver.xml | 7 | ||||
| -rw-r--r-- | erts/doc/src/driver_entry.xml | 6 | ||||
| -rw-r--r-- | lib/stdlib/doc/src/ets.xml | 22 |
3 files changed, 23 insertions, 12 deletions
diff --git a/erts/doc/src/driver.xml b/erts/doc/src/driver.xml index 006a6160de..db455312ec 100644 --- a/erts/doc/src/driver.xml +++ b/erts/doc/src/driver.xml @@ -196,11 +196,14 @@ static ErlDrvData start(ErlDrvPort port, char *command) <p>We call disconnect to log out from the database. (This should have been done from Erlang, but just in case.)</p> <code type="none"><![CDATA[ - static int do_disconnect(our_data_t* data, ei_x_buff* x); +static int do_disconnect(our_data_t* data, ei_x_buff* x); static void stop(ErlDrvData drv_data) { - do_disconnect((our_data_t*)drv_data, NULL); + our_data_t* data = (our_data_t*)drv_data; + + do_disconnect(data, NULL); + driver_free(data); } ]]></code> <p>We use the binary format only to return data to the emulator; diff --git a/erts/doc/src/driver_entry.xml b/erts/doc/src/driver_entry.xml index e71b48bd92..dd949d4048 100644 --- a/erts/doc/src/driver_entry.xml +++ b/erts/doc/src/driver_entry.xml @@ -172,7 +172,7 @@ typedef struct erl_drv_entry { added to the driver list.) The driver should return 0, or if the driver can't initialize, -1.</p> </item> - <tag><marker id="start"/>int (*start)(ErlDrvPort port, char* command)</tag> + <tag><marker id="start"/>ErlDrvData (*start)(ErlDrvPort port, char* command)</tag> <item> <p>This is called when the driver is instantiated, when <c>open_port/2</c> is called. The driver should return a @@ -188,7 +188,9 @@ typedef struct erl_drv_entry { <p>This is called when the port is closed, with <c>port_close/1</c> or <c>Port ! {self(), close}</c>. Note that terminating the port owner process also closes the - port.</p> + port. If <c>drv_data</c> is a pointer to memory allocated in + <c>start</c>, then <c>stop</c> is the place to deallocate that + memory.</p> </item> <tag><marker id="output"/>void (*output)(ErlDrvData drv_data, char *buf, int len)</tag> <item> diff --git a/lib/stdlib/doc/src/ets.xml b/lib/stdlib/doc/src/ets.xml index dd4a289c61..702e1b928e 100644 --- a/lib/stdlib/doc/src/ets.xml +++ b/lib/stdlib/doc/src/ets.xml @@ -56,8 +56,8 @@ Even if there are no references to a table from any process, it will not automatically be destroyed unless the owner process terminates. It can be destroyed explicitly by using - <c>delete/1</c>.</p> - <p>Since R13B01, table ownership can be transferred at process termination + <c>delete/1</c>. The default owner is the process that created the + table. Table ownership can be transferred at process termination by using the <seealso marker="#heir">heir</seealso> option or explicitly by calling <seealso marker="#give_away/3">give_away/3</seealso>.</p> <p>Some implementation details:</p> @@ -82,11 +82,15 @@ <c>float()</c> that extends to the same value, hence the key <c>1</c> and the key <c>1.0</c> are regarded as equal in an <c>ordered_set</c> table.</p> - <p>In general, the functions below will exit with reason - <c>badarg</c> if any argument is of the wrong format, or if the - table identifier is invalid.</p> </description> - + <section> + <title>Failure</title> + <p>In general, the functions below will exit with reason + <c>badarg</c> if any argument is of the wrong format, if the + table identifier is invalid or if the operation is denied due to + table access rights (<seealso marker="#protected">protected</seealso> + or <seealso marker="#private">private</seealso>).</p> + </section> <section><marker id="concurrency"></marker> <title>Concurrency</title> <p>This module provides some limited support for concurrent access. @@ -947,7 +951,7 @@ ets:select(Table,MatchSpec),</code> <type> <v>Name = atom()</v> <v>Options = [Option]</v> - <v> Option = Type | Access | named_table | {keypos,Pos} | {heir,pid(),HeirData} | {heir,none} | {write_concurrency,bool()}</v> + <v> Option = Type | Access | named_table | {keypos,Pos} | {heir,pid(),HeirData} | {heir,none} | {write_concurrency,bool()} | {read_concurrency,bool()}</v> <v> Type = set | ordered_set | bag | duplicate_bag</v> <v> Access = public | protected | private</v> <v> Pos = int()</v> @@ -963,7 +967,7 @@ ets:select(Table,MatchSpec),</code> table is named or not. If one or more options are left out, the default values are used. This means that not specifying any options (<c>[]</c>) is the same as specifying - <c>[set,protected,{keypos,1},{heir,none},{write_concurrency,false}]</c>.</p> + <c>[set,protected,{keypos,1},{heir,none},{write_concurrency,false},{read_concurrency,false}]</c>.</p> <list type="bulleted"> <item> <p><c>set</c> @@ -1002,12 +1006,14 @@ ets:select(Table,MatchSpec),</code> Any process may read or write to the table.</p> </item> <item> + <marker id="protected"></marker> <p><c>protected</c> The owner process can read and write to the table. Other processes can only read the table. This is the default setting for the access rights.</p> </item> <item> + <marker id="private"></marker> <p><c>private</c> Only the owner process can read or write to the table.</p> </item> |