diff options
Diffstat (limited to 'lib/kernel')
104 files changed, 1669 insertions, 666 deletions
diff --git a/lib/kernel/doc/src/app.xml b/lib/kernel/doc/src/app.xml index 1914844b37..7c9d6eecec 100644 --- a/lib/kernel/doc/src/app.xml +++ b/lib/kernel/doc/src/app.xml @@ -1,10 +1,10 @@ -<?xml version="1.0" encoding="latin1" ?> +<?xml version="1.0" encoding="utf-8" ?> <!DOCTYPE fileref SYSTEM "fileref.dtd"> <fileref> <header> <copyright> - <year>1997</year><year>2012</year> + <year>1997</year><year>2013</year> <holder>Ericsson AB. All Rights Reserved.</holder> </copyright> <legalnotice> diff --git a/lib/kernel/doc/src/application.xml b/lib/kernel/doc/src/application.xml index 3909b11e59..016151891c 100644 --- a/lib/kernel/doc/src/application.xml +++ b/lib/kernel/doc/src/application.xml @@ -1,4 +1,4 @@ -<?xml version="1.0" encoding="latin1" ?> +<?xml version="1.0" encoding="utf-8" ?> <!DOCTYPE erlref SYSTEM "erlref.dtd"> <erlref> @@ -239,10 +239,19 @@ Nodes = [cp1@cave, {cp2@cave, cp3@cave}]</code> <desc> <p>Sets the value of the configuration parameter <c><anno>Par</anno></c> for <c><anno>Application</anno></c>.</p> - <p><c>set_env/3</c> uses the standard <c>gen_server</c> timeout - value (5000 ms). A <c><anno>Timeout</anno></c> argument can be provided + <p><c>set_env/4</c> uses the standard <c>gen_server</c> timeout + value (5000 ms). The <c>timeout</c> option can be provided if another timeout value is useful, for example, in situations where the application controller is heavily loaded.</p> + <p>If <c>set_env/4</c> is called before the application is loaded, + the application environment values specified in the <c>Application.app</c> + file will override the ones previously set. This is also true for application + reloads.</p> + <p>The <c>persistent</c> option can be set to <c>true</c> + when there is a need to guarantee parameters set with <c>set_env/4</c> + will not be overridden by the ones defined in the application resource + file on load. This means persistent values will stick after the application + is loaded and also on application reload.</p> <warning> <p>Use this function only if you know what you are doing, that is, on your own applications. It is very application @@ -406,9 +415,11 @@ Nodes = [cp1@cave, {cp2@cave, cp3@cave}]</code> <p>Removes the configuration parameter <c><anno>Par</anno></c> and its value for <c><anno>Application</anno></c>.</p> <p><c>unset_env/2</c> uses the standard <c>gen_server</c> - timeout value (5000 ms). A <c><anno>Timeout</anno></c> argument can be + timeout value (5000 ms). The <c>timeout</c> option can be provided if another timeout value is useful, for example, in situations where the application controller is heavily loaded.</p> + <p><c>unset_env/3</c> also allows the persistent option to be passed + (see <c>set_env/4</c> above).</p> <warning> <p>Use this function only if you know what you are doing, that is, on your own applications. It is very application diff --git a/lib/kernel/doc/src/auth.xml b/lib/kernel/doc/src/auth.xml index 15d9ef0fe4..72beee46f5 100644 --- a/lib/kernel/doc/src/auth.xml +++ b/lib/kernel/doc/src/auth.xml @@ -1,10 +1,10 @@ -<?xml version="1.0" encoding="latin1" ?> +<?xml version="1.0" encoding="utf-8" ?> <!DOCTYPE erlref SYSTEM "erlref.dtd"> <erlref> <header> <copyright> - <year>1996</year><year>2011</year> + <year>1996</year><year>2013</year> <holder>Ericsson AB. All Rights Reserved.</holder> </copyright> <legalnotice> diff --git a/lib/kernel/doc/src/book.xml b/lib/kernel/doc/src/book.xml index caf13fd001..09123976cb 100644 --- a/lib/kernel/doc/src/book.xml +++ b/lib/kernel/doc/src/book.xml @@ -1,10 +1,10 @@ -<?xml version="1.0" encoding="latin1" ?> +<?xml version="1.0" encoding="utf-8" ?> <!DOCTYPE book SYSTEM "book.dtd"> <book xmlns:xi="http://www.w3.org/2001/XInclude"> <header titlestyle="normal"> <copyright> - <year>1997</year><year>2009</year> + <year>1997</year><year>2013</year> <holder>Ericsson AB. All Rights Reserved.</holder> </copyright> <legalnotice> diff --git a/lib/kernel/doc/src/code.xml b/lib/kernel/doc/src/code.xml index 6f04741f85..454ee9bcbb 100644 --- a/lib/kernel/doc/src/code.xml +++ b/lib/kernel/doc/src/code.xml @@ -1,4 +1,4 @@ -<?xml version="1.0" encoding="latin1" ?> +<?xml version="1.0" encoding="utf-8" ?> <!DOCTYPE erlref SYSTEM "erlref.dtd"> <erlref> diff --git a/lib/kernel/doc/src/config.xml b/lib/kernel/doc/src/config.xml index 34398e90ac..005504dbd1 100644 --- a/lib/kernel/doc/src/config.xml +++ b/lib/kernel/doc/src/config.xml @@ -1,10 +1,10 @@ -<?xml version="1.0" encoding="latin1" ?> +<?xml version="1.0" encoding="utf-8" ?> <!DOCTYPE fileref SYSTEM "fileref.dtd"> <fileref> <header> <copyright> - <year>1997</year><year>2009</year> + <year>1997</year><year>2013</year> <holder>Ericsson AB. All Rights Reserved.</holder> </copyright> <legalnotice> diff --git a/lib/kernel/doc/src/disk_log.xml b/lib/kernel/doc/src/disk_log.xml index d278d54d93..27d8ab4fc1 100644 --- a/lib/kernel/doc/src/disk_log.xml +++ b/lib/kernel/doc/src/disk_log.xml @@ -1,11 +1,11 @@ -<?xml version="1.0" encoding="latin1" ?> +<?xml version="1.0" encoding="utf-8" ?> <!DOCTYPE erlref SYSTEM "erlref.dtd"> <erlref> <header> <copyright> <year>1997</year> - <year>2011</year> + <year>2013</year> <holder>Ericsson AB, All Rights Reserved</holder> </copyright> <legalnotice> diff --git a/lib/kernel/doc/src/erl_boot_server.xml b/lib/kernel/doc/src/erl_boot_server.xml index 472671a80e..abaea4f695 100644 --- a/lib/kernel/doc/src/erl_boot_server.xml +++ b/lib/kernel/doc/src/erl_boot_server.xml @@ -1,10 +1,10 @@ -<?xml version="1.0" encoding="latin1" ?> +<?xml version="1.0" encoding="utf-8" ?> <!DOCTYPE erlref SYSTEM "erlref.dtd"> <erlref> <header> <copyright> - <year>1996</year><year>2011</year> + <year>1996</year><year>2013</year> <holder>Ericsson AB. All Rights Reserved.</holder> </copyright> <legalnotice> diff --git a/lib/kernel/doc/src/erl_ddll.xml b/lib/kernel/doc/src/erl_ddll.xml index 26db11cfcd..7be54c8b95 100644 --- a/lib/kernel/doc/src/erl_ddll.xml +++ b/lib/kernel/doc/src/erl_ddll.xml @@ -1,10 +1,10 @@ -<?xml version="1.0" encoding="latin1" ?> +<?xml version="1.0" encoding="utf-8" ?> <!DOCTYPE erlref SYSTEM "erlref.dtd"> <erlref> <header> <copyright> - <year>1997</year><year>2012</year> + <year>1997</year><year>2013</year> <holder>Ericsson AB. All Rights Reserved.</holder> </copyright> <legalnotice> diff --git a/lib/kernel/doc/src/erl_prim_loader_stub.xml b/lib/kernel/doc/src/erl_prim_loader_stub.xml index e6324b8168..485b16b91f 100644 --- a/lib/kernel/doc/src/erl_prim_loader_stub.xml +++ b/lib/kernel/doc/src/erl_prim_loader_stub.xml @@ -1,11 +1,11 @@ -<?xml version="1.0" encoding="latin1" ?> +<?xml version="1.0" encoding="utf-8" ?> <!DOCTYPE erlref SYSTEM "erlref.dtd"> <erlref> <header> <copyright> <year>1997</year> - <year>2009</year> + <year>2013</year> <holder>Ericsson AB, All Rights Reserved</holder> </copyright> <legalnotice> diff --git a/lib/kernel/doc/src/erlang_stub.xml b/lib/kernel/doc/src/erlang_stub.xml index 333c4fedaf..79a041110a 100644 --- a/lib/kernel/doc/src/erlang_stub.xml +++ b/lib/kernel/doc/src/erlang_stub.xml @@ -1,11 +1,11 @@ -<?xml version="1.0" encoding="latin1" ?> +<?xml version="1.0" encoding="utf-8" ?> <!DOCTYPE erlref SYSTEM "erlref.dtd"> <erlref> <header> <copyright> <year>1997</year> - <year>2009</year> + <year>2013</year> <holder>Ericsson AB, All Rights Reserved</holder> </copyright> <legalnotice> diff --git a/lib/kernel/doc/src/error_handler.xml b/lib/kernel/doc/src/error_handler.xml index 84ec3927c8..2f8f09b984 100644 --- a/lib/kernel/doc/src/error_handler.xml +++ b/lib/kernel/doc/src/error_handler.xml @@ -1,4 +1,4 @@ -<?xml version="1.0" encoding="latin1" ?> +<?xml version="1.0" encoding="utf-8" ?> <!DOCTYPE erlref SYSTEM "erlref.dtd"> <erlref> diff --git a/lib/kernel/doc/src/error_logger.xml b/lib/kernel/doc/src/error_logger.xml index cd86b364f6..3815b0877c 100644 --- a/lib/kernel/doc/src/error_logger.xml +++ b/lib/kernel/doc/src/error_logger.xml @@ -1,10 +1,10 @@ -<?xml version="1.0" encoding="latin1" ?> +<?xml version="1.0" encoding="utf-8" ?> <!DOCTYPE erlref SYSTEM "erlref.dtd"> <erlref> <header> <copyright> - <year>1996</year><year>2012</year> + <year>1996</year><year>2013</year> <holder>Ericsson AB. All Rights Reserved.</holder> </copyright> <legalnotice> diff --git a/lib/kernel/doc/src/fascicules.xml b/lib/kernel/doc/src/fascicules.xml index 43090b4aed..fadd37eefb 100644 --- a/lib/kernel/doc/src/fascicules.xml +++ b/lib/kernel/doc/src/fascicules.xml @@ -1,4 +1,4 @@ -<?xml version="1.0" encoding="latin1" ?> +<?xml version="1.0" encoding="utf-8" ?> <!DOCTYPE fascicules SYSTEM "fascicules.dtd"> <fascicules> diff --git a/lib/kernel/doc/src/file.xml b/lib/kernel/doc/src/file.xml index 66ecba1bf2..b3ec9fd33d 100644 --- a/lib/kernel/doc/src/file.xml +++ b/lib/kernel/doc/src/file.xml @@ -1,10 +1,10 @@ -<?xml version="1.0" encoding="latin1" ?> +<?xml version="1.0" encoding="utf-8" ?> <!DOCTYPE erlref SYSTEM "erlref.dtd"> <erlref> <header> <copyright> - <year>1996</year><year>2013</year> + <year>1996</year><year>2014</year> <holder>Ericsson AB. All Rights Reserved.</holder> </copyright> <legalnotice> @@ -37,54 +37,48 @@ the file operations. See the command line flag <c>+A</c> in <seealso marker="erts:erl">erl(1)</seealso>.</p> - <p>The Erlang VM supports file names in Unicode to a limited - extent. Depending on how the VM is started (with the parameter - <c>+fnu</c> or <c>+fnl</c>), file names given can contain - characters > 255 and the VM system will convert file names - back and forth to the native file name encoding.</p> + <p>With regard to file name encoding, the Erlang VM can operate in + two modes. The current mode can be queried using the <seealso + marker="#native_name_encoding">native_name_encoding/0</seealso> + function. It returns either <c>latin1</c> or <c>utf8</c>.</p> - <p>The default behavior for Unicode character translation depends - on to what extent the underlying OS/filesystem enforces consistent - naming. On OSes where all file names are ensured to be in one or - another encoding, Unicode is the default (currently this holds for - Windows and MacOSX). On OSes with completely transparent file - naming (i.e. all Unixes except MacOSX), ISO-latin-1 file naming is - the default. The reason for the ISO-latin-1 default is that - file names are not guaranteed to be possible to interpret according to - the Unicode encoding expected (i.e. UTF-8), and file names that - cannot be decoded will only be accessible by using "raw - file names", in other word file names given as binaries.</p> - - <p>As file names are traditionally not binaries in Erlang, - applications that need to handle raw file names need to be - converted, why the Unicode mode for file names is not default on - systems having completely transparent file naming.</p> + <p>In the <c>latin1</c> mode, the Erlang VM does not change the + encoding of file names. In the <c>utf8</c> mode, file names can + contain Unicode characters greater than 255 and the VM will + convert file names back and forth to the native file name encoding + (usually UTF-8, but UTF-16 on Windows).</p> - <p>Raw file names is a new feature in OTP R14B01, which allows the - user to supply completely uninterpreted file names to the - underlying OS/filesystem. They are supplied as binaries, where it - is up to the user to supply a correct encoding for the - environment. The function <c>file:native_name_encoding()</c> can - be used to check what encoding the VM is working in. If the - function returns <c>latin1</c> file names are not in any way - converted to Unicode, if it is <c>utf8</c>, raw file names should - be encoded as UTF-8 if they are to follow the convention of the VM - (and usually the convention of the OS as well). Using raw - file names is useful if you have a filesystem with inconsistent - file naming, where some files are named in UTF-8 encoding while - others are not. A file:list_dir on such mixed file name systems - when the VM is in Unicode file name mode might return file names as - raw binaries as they cannot be interpreted as Unicode - file names. Raw file names can also be used to give UTF-8 encoded - file names even though the VM is not started in Unicode file name - translation mode.</p> + <p>The default mode depends on the operating system. Windows and + MacOS X enforce consistent file name encoding and therefore the + VM uses the <c>utf8</c> mode.</p> + + <p>On operating systems with transparent naming (i.e. all Unix + systems except MacOS X), the default will be <c>utf8</c> if the + terminal supports UTF-8, otherwise <c>latin1</c>. The default may + be overridden using the <c>+fnl</c> (to force <c>latin1</c> mode) + or <c>+fnu</c> (to force <c>utf8</c> mode) when starting <seealso + marker="erts:erl">erl</seealso>.</p> + + <p>On operating systems with transparent naming, files could be + inconsistently named, i.e. some files are encoded in UTF-8 while + others are encoded in (for example) iso-latin1. To be able to + handle file systems with inconsistent naming when running in the + <c>utf8</c> mode, the concept of "raw file names" has been + introduced.</p> + + <p>A raw file name is a file name given as a binary. The Erlang VM + will perform no translation of a file name given as a binary on + systems with transparent naming.</p> + + <p>When running in the <c>utf8</c> mode, the + <c>file:list_dir/1</c> and <c>file:read_link/1</c> functions will + never return raw file names. Use the <seealso + marker="#list_dir_all">list_dir_all/1</seealso> and <seealso + marker="#read_link_all">read_link_all/1</seealso> functions to + return all file names including raw file names.</p> + + <p>Also see <seealso marker="stdlib:unicode_usage#notes-about-raw-filenames">Notes about raw file names</seealso>.</p> - <p>Note that on Windows, <c>file:native_name_encoding()</c> - returns <c>utf8</c> per default, which is the format for raw - file names even on Windows, although the underlying OS specific - code works in a limited version of little endian UTF16. As far as - the Erlang programmer is concerned, Windows native Unicode format - is UTF-8...</p> </description> <datatypes> @@ -535,8 +529,8 @@ <name name="list_dir_all" arity="1"/> <fsummary>List all files in a directory</fsummary> <desc> - <p>Lists all the files in a directory, including files with - "raw" names. + <p><marker id="list_dir_all"/>Lists all the files in a directory, + including files with "raw" names. Returns <c>{ok, <anno>Filenames</anno>}</c> if successful. Otherwise, it returns <c>{error, <anno>Reason</anno>}</c>. <c><anno>Filenames</anno></c> is a list of @@ -653,11 +647,14 @@ </func> <func> <name name="native_name_encoding" arity="0"/> - <fsummary>Return the VM's configured filename encoding.</fsummary> + <fsummary>Return the VM's configured filename encoding</fsummary> <desc> - <p>This function returns the configured default file name encoding to use for raw file names. Generally an application supplying file names raw (as binaries), should obey the character encoding returned by this function.</p> - <p>By default, the VM uses ISO-latin-1 file name encoding on filesystems and/or OSes that use completely transparent file naming. This includes all Unix versions except MacOSX, where the vfs layer enforces UTF-8 file naming. By giving the experimental option <c>+fnu</c> when starting Erlang, UTF-8 translation of file names can be turned on even for those systems. If Unicode file name translation is in effect, the system behaves as usual as long as file names conform to the encoding, but will return file names that are not properly encoded in UTF-8 as raw file names (i.e. binaries).</p> - <p>On Windows, this function also returns <c>utf8</c> by default. The OS uses a pure Unicode naming scheme and file names are always possible to interpret as valid Unicode. The fact that the underlying Windows OS actually encodes file names using little endian UTF-16 can be ignored by the Erlang programmer. Windows and MacOSX are the only operating systems where the VM operates in Unicode file name mode by default.</p> + <p><marker id="native_name_encoding"/>This function returns + the file name encoding mode. If it is <c>latin1</c>, the + system does no translation of file names. If it is + <c>utf8</c>, file names will be converted back and forth to + the native file name encoding (usually UTF-8, but UTF-16 on + Windows).</p> </desc> </func> <func> @@ -826,6 +823,16 @@ <item> <p><c>File</c> must be <c>iodata()</c>. Returns an <c>fd()</c> which lets the <c>file</c> module operate on the data in-memory as if it is a file.</p> </item> + <tag><c>sync</c></tag> + <item> + <p>On platforms that support it, enables the POSIX <c>O_SYNC</c> synchronous I/O flag or its platform-dependent + equivalent (e.g., <c>FILE_FLAG_WRITE_THROUGH</c> on Windows) so that writes to the file block until the data has + been physically written to disk. Be aware, though, that the exact semantics of this flag differ from platform to + platform; for example, neither Linux nor Windows guarantees that all file metadata are also written before the call + returns. For precise semantics, check the details of your platform's documentation. On platforms with no + support for POSIX <c>O_SYNC</c> or equivalent, use of the <c>sync</c> flag causes <c>open</c> to return + <c>{error, enotsup}</c>.</p> + </item> </taglist> <p>Returns:</p> <taglist> @@ -1440,7 +1447,8 @@ <name name="read_link" arity="1"/> <fsummary>See what a link is pointing to</fsummary> <desc> - <p>This function returns <c>{ok, <anno>Filename</anno>}</c> if + <p><marker id="read_link_all"/>This function returns + <c>{ok, <anno>Filename</anno>}</c> if <c><anno>Name</anno></c> refers to a symbolic link that is not a "raw" file name, or <c>{error, <anno>Reason</anno>}</c> otherwise. @@ -1736,16 +1744,16 @@ <item>The chunk size used by the erlang fallback to send data. If using the fallback, this should be set to a value which comfortably fits in the systems memory. Default is 20 MB.</item> + <tag><c>use_threads</c></tag> + <item>Instruct the emulator to use the async thread pool for the + sendfile system call. This could be usefull if the OS you are running + on does not properly support non-blocking sendfile calls. Do note that + using async threads potentially makes your system volnerable to slow + client attacks. If set to true and no async threads are available, + the sendfile call will return <c>{error,einval}</c>. + Introduced in Erlang/OTP 17.0. Default is false.</item> </taglist> </p> - <p>On operating systems with thread support, it is recommended to use - async threads. See the command line flag - <c>+A</c> in <seealso marker="erts:erl">erl(1)</seealso>. If it is not - possible to use async threads for sendfile, it is recommended to use - a relatively small value for the send buffer on the socket. Otherwise - the Erlang VM might loose some of its soft realtime guarantees. - Which size to use depends on the OS/hardware and the requirements - of the application.</p> </desc> </func> <func> diff --git a/lib/kernel/doc/src/gen_sctp.xml b/lib/kernel/doc/src/gen_sctp.xml index 33f1c20608..dc9e4766a9 100644 --- a/lib/kernel/doc/src/gen_sctp.xml +++ b/lib/kernel/doc/src/gen_sctp.xml @@ -1,10 +1,10 @@ -<?xml version="1.0" encoding="latin1" ?> +<?xml version="1.0" encoding="utf-8" ?> <!DOCTYPE erlref SYSTEM "erlref.dtd"> <erlref> <header> <copyright> - <year>2007</year><year>2012</year> + <year>2007</year><year>2013</year> <holder>Ericsson AB. All Rights Reserved.</holder> </copyright> <legalnotice> @@ -496,9 +496,11 @@ orthogonal to the sets of TCP, UDP and generic INET options: only those options which are explicitly listed below are allowed for SCTP sockets. Options can be set on the socket using - <c>gen_sctp:open/1,2</c> or <c>inet:setopts/2</c>, - retrieved using <c>inet:getopts/2</c>, and when calling - <c>gen_sctp:connect/4,5</c> options can be changed.</p> + <seealso marker="#open/1"><c>gen_sctp:open/1,2</c></seealso> + or <seealso marker="inet#setopts/2"><c>inet:setopts/2</c></seealso>, + retrieved using <seealso marker="inet#getopts/2"><c>inet:getopts/2</c></seealso>, + and when calling <seealso marker="#connect/4"><c>gen_sctp:connect/4,5</c></seealso> + options can be changed.</p> <marker id="option-binary"></marker> <marker id="option-list"></marker> <taglist> @@ -507,7 +509,7 @@ <p>Determines the type of data returned from <c>gen_sctp:recv/1,2</c>.</p> <marker id="option-active"></marker> </item> - <tag><c>{active, true|false|once}</c></tag> + <tag><c>{active, true|false|once|N}</c></tag> <item> <list type="bulleted"> <item> @@ -524,11 +526,28 @@ </item> <item> <p>If <c>once</c>, only one message is automatically placed - in the message queue, after that the mode is automatically - re-set to passive. This provides flow control as well as + in the message queue, and after that the mode is automatically + reset to passive. This provides flow control as well as the possibility for the receiver to listen for its incoming SCTP data interleaved with other inter-process messages.</p> </item> + <item> + <p>If <c>active</c> is specified as an integer <c>N</c> in the + range -32768 to 32767 (inclusive), then that number is added to + the socket's count of the number of data messages to be + delivered to the controlling process. If the result of the + addition would be negative, the count is set to 0. Once the + count reaches 0, either through the delivery of messages or by + being explicitly set with <seealso + marker="inet#setopts/2">inet:setopts/2</seealso>, the socket's + mode is automatically reset to passive (<c>{active, + false}</c>) mode. When a socket in this active mode transitions to + passive mode, the message <c>{sctp_passive, Socket}</c> is sent + to the controlling process to notify it that if it wants to + receive more data messages from the socket, it must call + <seealso marker="inet#setopts/2">inet:setopts/2</seealso> to set + the socket back into an active mode.</p> + </item> </list> </item> <tag><c>{tos, integer()}</c></tag> diff --git a/lib/kernel/doc/src/gen_tcp.xml b/lib/kernel/doc/src/gen_tcp.xml index 11a0843c10..dbd0d3c815 100644 --- a/lib/kernel/doc/src/gen_tcp.xml +++ b/lib/kernel/doc/src/gen_tcp.xml @@ -1,10 +1,10 @@ -<?xml version="1.0" encoding="latin1" ?> +<?xml version="1.0" encoding="utf-8" ?> <!DOCTYPE erlref SYSTEM "erlref.dtd"> <erlref> <header> <copyright> - <year>1997</year><year>2012</year> + <year>1997</year><year>2013</year> <holder>Ericsson AB. All Rights Reserved.</holder> </copyright> <legalnotice> @@ -148,6 +148,12 @@ do_recv(Sock, Bs) -> as messages:</p> <code type="none"> {tcp, Socket, Data}</code> + <p>If the socket is in <c>{active, N}</c> mode (see <seealso marker="inet#setopts/2"> + inet:setopts/2</seealso> for details) and its message counter + drops to 0, the following message is delivered to indicate that the + socket has transitioned to passive (<c>{active, false}</c>) mode:</p> + <code type="none"> +{tcp_passive, Socket}</code> <p>If the socket is closed, the following message is delivered:</p> <code type="none"> {tcp_closed, Socket}</code> diff --git a/lib/kernel/doc/src/gen_udp.xml b/lib/kernel/doc/src/gen_udp.xml index 4850278a64..503725fe18 100644 --- a/lib/kernel/doc/src/gen_udp.xml +++ b/lib/kernel/doc/src/gen_udp.xml @@ -1,10 +1,10 @@ -<?xml version="1.0" encoding="latin1" ?> +<?xml version="1.0" encoding="utf-8" ?> <!DOCTYPE erlref SYSTEM "erlref.dtd"> <erlref> <header> <copyright> - <year>1997</year><year>2012</year> + <year>1997</year><year>2013</year> <holder>Ericsson AB. All Rights Reserved.</holder> </copyright> <legalnotice> @@ -145,14 +145,23 @@ <seealso marker="inet#setopts/2">inet:setopts/2</seealso>.</p> </item> </taglist> - <p>The returned socket <c><anno>Socket</anno></c> is used to send packets - from this port with <c>send/4</c>. When UDP packets arrive at - the opened port, they are delivered as messages:</p> + <p>The returned socket <c><anno>Socket</anno></c> is used to send + packets from this port with <c>send/4</c>. When UDP packets arrive + at the opened port, if the socket is in an active mode the packets + are delivered as messages to the controlling process:</p> <code type="none"> {udp, Socket, IP, InPortNo, Packet}</code> - <p>Note that arriving UDP packets that are longer than + <p>If the socket is not in an active mode, data can be + retrieved via the <seealso marker="#recv/2">recv/2,3</seealso> calls. + Note that arriving UDP packets that are longer than the receive buffer option specifies, might be truncated without warning.</p> + <p>When a socket in <c>{active, N}</c> mode (see <seealso marker="inet#setopts/2"> + inet:setopts/2</seealso> for details) transitions to passive + (<c>{active, false}</c>) mode, the controlling process is notified by a + message of the following form:</p> + <code type="none"> +{udp_passive, Socket}</code> <p><c>IP</c> and <c>InPortNo</c> define the address from which <c>Packet</c> came. <c>Packet</c> is a list of bytes if the option <c>list</c> was specified. <c>Packet</c> is a diff --git a/lib/kernel/doc/src/global.xml b/lib/kernel/doc/src/global.xml index 53958c47c2..691b243443 100644 --- a/lib/kernel/doc/src/global.xml +++ b/lib/kernel/doc/src/global.xml @@ -1,4 +1,4 @@ -<?xml version="1.0" encoding="latin1" ?> +<?xml version="1.0" encoding="utf-8" ?> <!DOCTYPE erlref SYSTEM "erlref.dtd"> <erlref> diff --git a/lib/kernel/doc/src/global_group.xml b/lib/kernel/doc/src/global_group.xml index abf6178fc4..2c181da83a 100644 --- a/lib/kernel/doc/src/global_group.xml +++ b/lib/kernel/doc/src/global_group.xml @@ -1,10 +1,10 @@ -<?xml version="1.0" encoding="latin1" ?> +<?xml version="1.0" encoding="utf-8" ?> <!DOCTYPE erlref SYSTEM "erlref.dtd"> <erlref> <header> <copyright> - <year>1998</year><year>2011</year> + <year>1998</year><year>2013</year> <holder>Ericsson AB. All Rights Reserved.</holder> </copyright> <legalnotice> diff --git a/lib/kernel/doc/src/heart.xml b/lib/kernel/doc/src/heart.xml index 2856d84dcf..3ec33d2f18 100644 --- a/lib/kernel/doc/src/heart.xml +++ b/lib/kernel/doc/src/heart.xml @@ -1,10 +1,10 @@ -<?xml version="1.0" encoding="latin1" ?> +<?xml version="1.0" encoding="utf-8" ?> <!DOCTYPE erlref SYSTEM "erlref.dtd"> <erlref> <header> <copyright> - <year>1996</year><year>2012</year> + <year>1996</year><year>2013</year> <holder>Ericsson AB. All Rights Reserved.</holder> </copyright> <legalnotice> @@ -118,8 +118,13 @@ the system. The new Erlang runtime system will (if it misbehaves) use the environment variable <c>HEART_COMMAND</c> to reboot.</p> - <p>Limitations: The length of the <c><anno>Cmd</anno></c> command string - must be less than 2047 characters.</p> + + <p>Limitations: The <c><anno>Cmd</anno></c> command string + will be sent to the heart program as a ISO-latin-1 or UTF-8 + encoded binary depending on the file name encoding mode of the + emulator (see + <seealso marker="kernel:file#native_name_encoding/0"><c>file:native_name_encoding/0</c></seealso>). + The size of the encoded binary must be less than 2047 bytes.</p> </desc> </func> <func> diff --git a/lib/kernel/doc/src/inet.xml b/lib/kernel/doc/src/inet.xml index bc4c68230e..4a48a5c3d8 100644 --- a/lib/kernel/doc/src/inet.xml +++ b/lib/kernel/doc/src/inet.xml @@ -1,4 +1,4 @@ -<?xml version="1.0" encoding="latin1" ?> +<?xml version="1.0" encoding="utf-8" ?> <!DOCTYPE erlref SYSTEM "erlref.dtd"> <erlref> @@ -544,47 +544,66 @@ fe80::204:acff:fe17:bf38 <p>Sets one or more options for a socket. The following options are available:</p> <taglist> - <tag><c>{active, true | false | once}</c></tag> + <tag><c>{active, true | false | once | N}</c></tag> <item> <p>If the value is <c>true</c>, which is the default, everything received from the socket will be sent as messages to the receiving process. If the value is <c>false</c> (passive mode), the process must explicitly - receive incoming data by calling <c>gen_tcp:recv/2,3</c> - or <c>gen_udp:recv/2,3</c> (depending on the type of - socket).</p> + receive incoming data by calling + <seealso marker="gen_tcp#recv/2"><c>gen_tcp:recv/2,3</c></seealso>, + <seealso marker="gen_udp#recv/2"><c>gen_udp:recv/2,3</c></seealso> + or <seealso marker="gen_sctp#recv/1"><c>gen_sctp:recv/1,2</c></seealso> + (depending on the type of socket).</p> <p>If the value is <c>once</c> (<c>{active, once}</c>), <em>one</em> data message from the socket will be sent to the process. To receive one more message, <c>setopts/2</c> must be called again with the <c>{active, once}</c> option.</p> - <p>When using <c>{active, once}</c>, the socket changes - behaviour automatically when data is received. This can - sometimes be confusing in combination with connection - oriented sockets (i.e. <c>gen_tcp</c>) as a socket with - <c>{active, false}</c> behaviour reports closing + <p>If the value is an integer <c>N</c> in the range -32768 to 32767 + (inclusive), the value is added to the socket's count of data + messages sent to the controlling process. A socket's default + message count is 0. If a negative value is specified and its + magnitude is equal to or greater than the socket's current + message count, the socket's message count is set to 0. Once + the socket's message count reaches 0, either due to sending + received data messages to the process or by being explicitly set, + the process is then notified by a special message, specific to + the type of socket, that the socket has entered passive + mode. Once the socket enters passive mode, to receive more + messages <c>setopts/2</c> must be called again to set the + socket back into an active mode.</p> + <p>When using <c>{active, once}</c> or <c>{active, N}</c>, the + socket changes behaviour automatically when data is received. + This can sometimes be confusing in combination with + connection-oriented sockets (i.e. <c>gen_tcp</c>) as a socket + with <c>{active, false}</c> behaviour reports closing differently than a socket with <c>{active, true}</c> behaviour. To make programming easier, a socket where the peer closed and this was detected while in <c>{active, false}</c> mode, will still generate the message - <c>{tcp_closed,Socket}</c> when set to <c>{active, once}</c> or <c>{active, true}</c> mode. It is therefore + <c>{tcp_closed,Socket}</c> when set to <c>{active, once}</c>, + <c>{active, true}</c> or <c>{active, N}</c> mode. It is therefore safe to assume that the message <c>{tcp_closed,Socket}</c>, possibly followed by socket port termination (depending on the <c>exit_on_close</c> option) will eventually appear when a socket changes back and forth between <c>{active, true}</c> and - <c>{active, false}</c> mode. However, + <c>{active, false}</c> mode. However, <em>when</em> peer closing is detected is all up to the underlying TCP/IP stack and protocol.</p> - <p>Note that <c>{active,true}</c> mode provides no flow + <p>Note that <c>{active, true}</c> mode provides no flow control; a fast sender could easily overflow the - receiver with incoming messages. Use active mode only if + receiver with incoming messages. The same is true of + <c>{active, N}</c> mode while the message count is greater + than zero. Use active mode only if your high-level protocol provides its own flow control (for instance, acknowledging received messages) or the - amount of data exchanged is small. <c>{active,false}</c> - mode or use of the <c>{active, once}</c> mode provides - flow control; the other side will not be able send + amount of data exchanged is small. <c>{active, false}</c> + mode, use of the <c>{active, once}</c> mode or <c>{active, N}</c> + mode with values of <c>N</c> appropriate for the application + provides flow control; the other side will not be able send faster than the receiver can read.</p> </item> diff --git a/lib/kernel/doc/src/inet_res.xml b/lib/kernel/doc/src/inet_res.xml index bf73ccf13d..7880ccda05 100644 --- a/lib/kernel/doc/src/inet_res.xml +++ b/lib/kernel/doc/src/inet_res.xml @@ -1,10 +1,10 @@ -<?xml version="1.0" encoding="latin1" ?> +<?xml version="1.0" encoding="utf-8" ?> <!DOCTYPE erlref SYSTEM "erlref.dtd"> <erlref> <header> <copyright> - <year>2009</year><year>2011</year> + <year>2009</year><year>2013</year> <holder>Ericsson AB. All Rights Reserved.</holder> </copyright> <legalnotice> diff --git a/lib/kernel/doc/src/init_stub.xml b/lib/kernel/doc/src/init_stub.xml index e8645458e4..5c57f8850e 100644 --- a/lib/kernel/doc/src/init_stub.xml +++ b/lib/kernel/doc/src/init_stub.xml @@ -1,11 +1,11 @@ -<?xml version="1.0" encoding="latin1" ?> +<?xml version="1.0" encoding="utf-8" ?> <!DOCTYPE erlref SYSTEM "erlref.dtd"> <erlref> <header> <copyright> <year>1997</year> - <year>2009</year> + <year>2013</year> <holder>Ericsson AB, All Rights Reserved</holder> </copyright> <legalnotice> diff --git a/lib/kernel/doc/src/kernel_app.xml b/lib/kernel/doc/src/kernel_app.xml index faa8f86dbd..49a93d2c70 100644 --- a/lib/kernel/doc/src/kernel_app.xml +++ b/lib/kernel/doc/src/kernel_app.xml @@ -1,10 +1,10 @@ -<?xml version="1.0" encoding="latin1" ?> +<?xml version="1.0" encoding="utf-8" ?> <!DOCTYPE appref SYSTEM "appref.dtd"> <appref> <header> <copyright> - <year>1996</year><year>2012</year> + <year>1996</year><year>2013</year> <holder>Ericsson AB. All Rights Reserved.</holder> </copyright> <legalnotice> diff --git a/lib/kernel/doc/src/net_adm.xml b/lib/kernel/doc/src/net_adm.xml index f2aac9282c..3009b1913d 100644 --- a/lib/kernel/doc/src/net_adm.xml +++ b/lib/kernel/doc/src/net_adm.xml @@ -1,10 +1,10 @@ -<?xml version="1.0" encoding="latin1" ?> +<?xml version="1.0" encoding="utf-8" ?> <!DOCTYPE erlref SYSTEM "erlref.dtd"> <erlref> <header> <copyright> - <year>1996</year><year>2011</year> + <year>1996</year><year>2013</year> <holder>Ericsson AB. All Rights Reserved.</holder> </copyright> <legalnotice> diff --git a/lib/kernel/doc/src/net_kernel.xml b/lib/kernel/doc/src/net_kernel.xml index e54a427ff0..f5103136a1 100644 --- a/lib/kernel/doc/src/net_kernel.xml +++ b/lib/kernel/doc/src/net_kernel.xml @@ -1,10 +1,10 @@ -<?xml version="1.0" encoding="latin1" ?> +<?xml version="1.0" encoding="utf-8" ?> <!DOCTYPE erlref SYSTEM "erlref.dtd"> <erlref> <header> <copyright> - <year>1996</year><year>2011</year> + <year>1996</year><year>2013</year> <holder>Ericsson AB. All Rights Reserved.</holder> </copyright> <legalnotice> diff --git a/lib/kernel/doc/src/notes_history.xml b/lib/kernel/doc/src/notes_history.xml index 2f6ceb9d42..58d5109774 100644 --- a/lib/kernel/doc/src/notes_history.xml +++ b/lib/kernel/doc/src/notes_history.xml @@ -1,10 +1,10 @@ -<?xml version="1.0" encoding="latin1" ?> +<?xml version="1.0" encoding="utf-8" ?> <!DOCTYPE chapter SYSTEM "chapter.dtd"> <chapter> <header> <copyright> - <year>2006</year><year>2009</year> + <year>2006</year><year>2013</year> <holder>Ericsson AB. All Rights Reserved.</holder> </copyright> <legalnotice> diff --git a/lib/kernel/doc/src/os.xml b/lib/kernel/doc/src/os.xml index 9122267c40..2b57e75023 100644 --- a/lib/kernel/doc/src/os.xml +++ b/lib/kernel/doc/src/os.xml @@ -1,10 +1,10 @@ -<?xml version="1.0" encoding="latin1" ?> +<?xml version="1.0" encoding="utf-8" ?> <!DOCTYPE erlref SYSTEM "erlref.dtd"> <erlref> <header> <copyright> - <year>1997</year><year>2012</year> + <year>1997</year><year>2013</year> <holder>Ericsson AB. All Rights Reserved.</holder> </copyright> <legalnotice> diff --git a/lib/kernel/doc/src/part_notes.xml b/lib/kernel/doc/src/part_notes.xml index ff43b9e007..d196878f19 100644 --- a/lib/kernel/doc/src/part_notes.xml +++ b/lib/kernel/doc/src/part_notes.xml @@ -1,10 +1,10 @@ -<?xml version="1.0" encoding="latin1" ?> +<?xml version="1.0" encoding="utf-8" ?> <!DOCTYPE part SYSTEM "part.dtd"> <part xmlns:xi="http://www.w3.org/2001/XInclude"> <header> <copyright> - <year>2004</year><year>2009</year> + <year>2004</year><year>2013</year> <holder>Ericsson AB. All Rights Reserved.</holder> </copyright> <legalnotice> diff --git a/lib/kernel/doc/src/part_notes_history.xml b/lib/kernel/doc/src/part_notes_history.xml index a73cc911b8..ec4998408e 100644 --- a/lib/kernel/doc/src/part_notes_history.xml +++ b/lib/kernel/doc/src/part_notes_history.xml @@ -1,11 +1,11 @@ -<?xml version="1.0" encoding="latin1" ?> +<?xml version="1.0" encoding="utf-8" ?> <!DOCTYPE part SYSTEM "part.dtd"> <part> <header> <copyright> <year>2006</year> - <year>2011</year> + <year>2013</year> <holder>Ericsson AB, All Rights Reserved</holder> </copyright> <legalnotice> diff --git a/lib/kernel/doc/src/pg2.xml b/lib/kernel/doc/src/pg2.xml index d26ff0fc6b..5eb63c1ef6 100644 --- a/lib/kernel/doc/src/pg2.xml +++ b/lib/kernel/doc/src/pg2.xml @@ -1,10 +1,10 @@ -<?xml version="1.0" encoding="latin1" ?> +<?xml version="1.0" encoding="utf-8" ?> <!DOCTYPE erlref SYSTEM "erlref.dtd"> <erlref> <header> <copyright> - <year>1997</year><year>2011</year> + <year>1997</year><year>2013</year> <holder>Ericsson AB. All Rights Reserved.</holder> </copyright> <legalnotice> diff --git a/lib/kernel/doc/src/ref_man.xml b/lib/kernel/doc/src/ref_man.xml index 96604a2fa2..c1b9eac9d7 100644 --- a/lib/kernel/doc/src/ref_man.xml +++ b/lib/kernel/doc/src/ref_man.xml @@ -1,4 +1,4 @@ -<?xml version="1.0" encoding="latin1" ?> +<?xml version="1.0" encoding="utf-8" ?> <!DOCTYPE application SYSTEM "application.dtd"> <application xmlns:xi="http://www.w3.org/2001/XInclude"> diff --git a/lib/kernel/doc/src/rpc.xml b/lib/kernel/doc/src/rpc.xml index 67fdccb734..e6c896f18d 100644 --- a/lib/kernel/doc/src/rpc.xml +++ b/lib/kernel/doc/src/rpc.xml @@ -1,10 +1,10 @@ -<?xml version="1.0" encoding="latin1" ?> +<?xml version="1.0" encoding="utf-8" ?> <!DOCTYPE erlref SYSTEM "erlref.dtd"> <erlref> <header> <copyright> - <year>1996</year><year>2011</year> + <year>1996</year><year>2013</year> <holder>Ericsson AB. All Rights Reserved.</holder> </copyright> <legalnotice> diff --git a/lib/kernel/doc/src/seq_trace.xml b/lib/kernel/doc/src/seq_trace.xml index 1ab955bd8a..45df06e0b4 100644 --- a/lib/kernel/doc/src/seq_trace.xml +++ b/lib/kernel/doc/src/seq_trace.xml @@ -1,10 +1,10 @@ -<?xml version="1.0" encoding="latin1" ?> +<?xml version="1.0" encoding="utf-8" ?> <!DOCTYPE erlref SYSTEM "erlref.dtd"> <erlref> <header> <copyright> - <year>1998</year><year>2011</year> + <year>1998</year><year>2013</year> <holder>Ericsson AB. All Rights Reserved.</holder> </copyright> <legalnotice> diff --git a/lib/kernel/doc/src/specs.xml b/lib/kernel/doc/src/specs.xml index 813bb06e1f..29d52f23bb 100644 --- a/lib/kernel/doc/src/specs.xml +++ b/lib/kernel/doc/src/specs.xml @@ -1,4 +1,4 @@ -<?xml version="1.0" encoding="latin1" ?> +<?xml version="1.0" encoding="utf-8" ?> <specs xmlns:xi="http://www.w3.org/2001/XInclude"> <xi:include href="../specs/specs_application.xml"/> <xi:include href="../specs/specs_auth.xml"/> diff --git a/lib/kernel/doc/src/user.xml b/lib/kernel/doc/src/user.xml index 4d0f044321..df6dff9882 100644 --- a/lib/kernel/doc/src/user.xml +++ b/lib/kernel/doc/src/user.xml @@ -1,11 +1,11 @@ -<?xml version="1.0" encoding="latin1" ?> +<?xml version="1.0" encoding="utf-8" ?> <!DOCTYPE erlref SYSTEM "erlref.dtd"> <erlref> <header> <copyright> <year>1996</year> - <year>2011</year> + <year>2013</year> <holder>Ericsson AB, All Rights Reserved</holder> </copyright> <legalnotice> diff --git a/lib/kernel/doc/src/wrap_log_reader.xml b/lib/kernel/doc/src/wrap_log_reader.xml index 6cf480b532..5227b4d01c 100644 --- a/lib/kernel/doc/src/wrap_log_reader.xml +++ b/lib/kernel/doc/src/wrap_log_reader.xml @@ -1,10 +1,10 @@ -<?xml version="1.0" encoding="latin1" ?> +<?xml version="1.0" encoding="utf-8" ?> <!DOCTYPE erlref SYSTEM "erlref.dtd"> <erlref> <header> <copyright> - <year>1998</year><year>2011</year> + <year>1998</year><year>2013</year> <holder>Ericsson AB. All Rights Reserved.</holder> </copyright> <legalnotice> diff --git a/lib/kernel/doc/src/zlib_stub.xml b/lib/kernel/doc/src/zlib_stub.xml index fa14262181..5f5bfd56db 100644 --- a/lib/kernel/doc/src/zlib_stub.xml +++ b/lib/kernel/doc/src/zlib_stub.xml @@ -1,11 +1,11 @@ -<?xml version="1.0" encoding="latin1" ?> +<?xml version="1.0" encoding="utf-8" ?> <!DOCTYPE erlref SYSTEM "erlref.dtd"> <erlref> <header> <copyright> <year>1997</year> - <year>2009</year> + <year>2013</year> <holder>Ericsson AB, All Rights Reserved</holder> </copyright> <legalnotice> diff --git a/lib/kernel/src/application.erl b/lib/kernel/src/application.erl index 4e8ba1b78a..76a80553b0 100644 --- a/lib/kernel/src/application.erl +++ b/lib/kernel/src/application.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1996-2013. All Rights Reserved. +%% Copyright Ericsson AB 1996-2014. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -132,7 +132,7 @@ ensure_all_started(Application, Type) -> {ok, Started} -> {ok, lists:reverse(Started)}; {error, Reason, Started} -> - [stop(App) || App <- Started], + _ = [stop(App) || App <- Started], {error, Reason} end. @@ -285,16 +285,18 @@ info() -> set_env(Application, Key, Val) -> application_controller:set_env(Application, Key, Val). --spec set_env(Application, Par, Val, Timeout) -> 'ok' when +-spec set_env(Application, Par, Val, Opts) -> 'ok' when Application :: atom(), Par :: atom(), Val :: term(), - Timeout :: timeout(). + Opts :: [{timeout, timeout()} | {persistent, boolean()}]. set_env(Application, Key, Val, infinity) -> - application_controller:set_env(Application, Key, Val, infinity); + set_env(Application, Key, Val, [{timeout, infinity}]); set_env(Application, Key, Val, Timeout) when is_integer(Timeout), Timeout>=0 -> - application_controller:set_env(Application, Key, Val, Timeout). + set_env(Application, Key, Val, [{timeout, Timeout}]); +set_env(Application, Key, Val, Opts) when is_list(Opts) -> + application_controller:set_env(Application, Key, Val, Opts). -spec unset_env(Application, Par) -> 'ok' when Application :: atom(), @@ -303,15 +305,17 @@ set_env(Application, Key, Val, Timeout) when is_integer(Timeout), Timeout>=0 -> unset_env(Application, Key) -> application_controller:unset_env(Application, Key). --spec unset_env(Application, Par, Timeout) -> 'ok' when +-spec unset_env(Application, Par, Opts) -> 'ok' when Application :: atom(), Par :: atom(), - Timeout :: timeout(). + Opts :: [{timeout, timeout()} | {persistent, boolean()}]. unset_env(Application, Key, infinity) -> - application_controller:unset_env(Application, Key, infinity); + unset_env(Application, Key, [{timeout, infinity}]); unset_env(Application, Key, Timeout) when is_integer(Timeout), Timeout>=0 -> - application_controller:unset_env(Application, Key, Timeout). + unset_env(Application, Key, [{timeout, Timeout}]); +unset_env(Application, Key, Opts) when is_list(Opts) -> + application_controller:unset_env(Application, Key, Opts). -spec get_env(Par) -> 'undefined' | {'ok', Val} when Par :: atom(), diff --git a/lib/kernel/src/application_controller.erl b/lib/kernel/src/application_controller.erl index 9ed2c7a7d9..ed13035104 100644 --- a/lib/kernel/src/application_controller.erl +++ b/lib/kernel/src/application_controller.erl @@ -461,14 +461,16 @@ permit_application(ApplName, Flag) -> set_env(AppName, Key, Val) -> - gen_server:call(?AC, {set_env, AppName, Key, Val}). -set_env(AppName, Key, Val, Timeout) -> - gen_server:call(?AC, {set_env, AppName, Key, Val}, Timeout). + gen_server:call(?AC, {set_env, AppName, Key, Val, []}). +set_env(AppName, Key, Val, Opts) -> + Timeout = proplists:get_value(timeout, Opts, 5000), + gen_server:call(?AC, {set_env, AppName, Key, Val, Opts}, Timeout). unset_env(AppName, Key) -> - gen_server:call(?AC, {unset_env, AppName, Key}). -unset_env(AppName, Key, Timeout) -> - gen_server:call(?AC, {unset_env, AppName, Key}, Timeout). + gen_server:call(?AC, {unset_env, AppName, Key, []}). +unset_env(AppName, Key, Opts) -> + Timeout = proplists:get_value(timeout, Opts, 5000), + gen_server:call(?AC, {unset_env, AppName, Key, Opts}, Timeout). %%%----------------------------------------------------------------- %%% call-back functions from gen_server @@ -488,7 +490,7 @@ init(Init, Kernel) -> %% called during start-up of any app. case check_conf_data(ConfData) of ok -> - ets:new(ac_tab, [set, public, named_table]), + _ = ets:new(ac_tab, [set, public, named_table]), S = #state{conf_data = ConfData}, {ok, KAppl} = make_appl(Kernel), case catch load(S, KAppl) of @@ -609,8 +611,8 @@ check_para([Else | _ParaList], AppName) -> | {'change_application_data', _, _} | {'permit_application', atom() | {'application',atom(),_},_} | {'start_application', _, _} - | {'unset_env', _, _} - | {'set_env', _, _, _}. + | {'unset_env', _, _, _} + | {'set_env', _, _, _, _}. -spec handle_call(calls(), {pid(), term()}, state()) -> {'noreply', state()} | {'reply', term(), state()}. @@ -858,13 +860,25 @@ handle_call(which_applications, _From, S) -> end, S#state.running), {reply, Reply, S}; -handle_call({set_env, AppName, Key, Val}, _From, S) -> +handle_call({set_env, AppName, Key, Val, Opts}, _From, S) -> ets:insert(ac_tab, {{env, AppName, Key}, Val}), - {reply, ok, S}; + case proplists:get_value(persistent, Opts, false) of + true -> + Fun = fun(Env) -> lists:keystore(Key, 1, Env, {Key, Val}) end, + {reply, ok, S#state{conf_data = change_app_env(S#state.conf_data, AppName, Fun)}}; + false -> + {reply, ok, S} + end; -handle_call({unset_env, AppName, Key}, _From, S) -> +handle_call({unset_env, AppName, Key, Opts}, _From, S) -> ets:delete(ac_tab, {env, AppName, Key}), - {reply, ok, S}; + case proplists:get_value(persistent, Opts, false) of + true -> + Fun = fun(Env) -> lists:keydelete(Key, 1, Env) end, + {reply, ok, S#state{conf_data = change_app_env(S#state.conf_data, AppName, Fun)}}; + false -> + {reply, ok, S} + end; handle_call({control_application, AppName}, {Pid, _Tag}, S) -> Control = S#state.control, @@ -1640,6 +1654,16 @@ merge_env([{App, AppEnv1} | T], Env2, Res) -> merge_env([], Env2, Res) -> Env2 ++ Res. +%% Changes the environment for the given application +%% If there is no application, an empty one is created +change_app_env(Env, App, Fun) -> + case get_env_key(App, Env) of + {value, AppEnv, RestEnv} -> + [{App, Fun(AppEnv)} | RestEnv]; + _ -> + [{App, Fun([])} | Env] + end. + %% Merges envs for an application. Env2 overrides Env1 merge_app_env(Env1, Env2) -> merge_app_env(Env1, Env2, []). @@ -1949,10 +1973,10 @@ test_change_apps(Apps, Conf) -> test_do_change_appl([], _, _) -> ok; test_do_change_appl([A|Apps], [], [R|Res]) -> - do_change_appl(R, #appl{name = A}, []), + _ = do_change_appl(R, #appl{name = A}, []), test_do_change_appl(Apps, [], Res); test_do_change_appl([A|Apps], [C|Conf], [R|Res]) -> - do_change_appl(R, #appl{name = A}, C), + _ = do_change_appl(R, #appl{name = A}, C), test_do_change_appl(Apps, Conf, Res). test_make_apps([], Res) -> diff --git a/lib/kernel/src/application_master.erl b/lib/kernel/src/application_master.erl index 3e636197bb..bc15b5a7de 100644 --- a/lib/kernel/src/application_master.erl +++ b/lib/kernel/src/application_master.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1996-2013. All Rights Reserved. +%% Copyright Ericsson AB 1996-2014. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -27,7 +27,7 @@ -include("application_master.hrl"). --record(state, {child, appl_data, children = [], procs = 0, gleader}). +-record(state, {child, appl_data, children = [], procs = 0, gleader, req=[]}). %%----------------------------------------------------------------- %% Func: start_link/1 @@ -125,7 +125,7 @@ init(Parent, Starter, ApplData, Type) -> State = #state{appl_data = ApplData, gleader = OldGleader}, case start_it(State, Type) of {ok, Pid} -> % apply(M,F,A) returned ok - set_timer(ApplData#appl_data.maxT), + ok = set_timer(ApplData#appl_data.maxT), unlink(Starter), proc_lib:init_ack(Starter, {ok,self()}), main_loop(Parent, State#state{child = Pid}); @@ -205,22 +205,25 @@ terminate_loop(Child, State) -> %%----------------------------------------------------------------- %% The Application Master is linked to *all* processes in the group -%% (application). +%% (application). %%----------------------------------------------------------------- handle_msg({get_child, Tag, From}, State) -> - From ! {Tag, get_child_i(State#state.child)}, - State; + get_child_i(State, Tag, From); handle_msg({stop, Tag, From}, State) -> catch terminate(normal, State), From ! {Tag, ok}, exit(normal); +handle_msg({child, Ref, GrandChild, Mod}, #state{req=Reqs0}=State) -> + {value, {_, Tag, From}, Reqs} = lists:keytake(Ref, 1, Reqs0), + From ! {Tag, {GrandChild, Mod}}, + State#state{req=Reqs}; handle_msg(_, State) -> State. - -terminate(Reason, State) -> - terminate_child(State#state.child, State), - kill_children(State#state.children), +terminate(Reason, State = #state{child=Child, children=Children, req=Reqs}) -> + _ = [From ! {Tag, error} || {_, Tag, From} <- Reqs], + terminate_child(Child, State), + kill_children(Children), exit(Reason). @@ -342,8 +345,8 @@ start_supervisor(Type, M, A) -> loop_it(Parent, Child, Mod, AppState) -> receive - {Parent, get_child} -> - Parent ! {self(), Child, Mod}, + {Parent, get_child, Ref} -> + Parent ! {child, Ref, Child, Mod}, loop_it(Parent, Child, Mod, AppState); {Parent, terminate} -> NewAppState = prep_stop(Mod, AppState), @@ -382,10 +385,15 @@ prep_stop(Mod, AppState) -> NewAppState end. -get_child_i(Child) -> - Child ! {self(), get_child}, - receive - {Child, GrandChild, Mod} -> {GrandChild, Mod} +get_child_i(#state{child=Child, req=Reqs}=State, Tag, From) -> + Ref = erlang:make_ref(), + case erlang:is_process_alive(Child) of + true -> + Child ! {self(), get_child, Ref}, + State#state{req=[{Ref, Tag, From}|Reqs]}; + false -> + From ! {Tag, error}, + State end. terminate_child_i(Child, State) -> @@ -418,4 +426,6 @@ kill_all_procs_1([], _, 0) -> ok; kill_all_procs_1([], _, _) -> kill_all_procs(). set_timer(infinity) -> ok; -set_timer(Time) -> timer:exit_after(Time, timeout). +set_timer(Time) -> + {ok, _} = timer:exit_after(Time, timeout), + ok. diff --git a/lib/kernel/src/auth.erl b/lib/kernel/src/auth.erl index 7d463103e3..eda35147d3 100644 --- a/lib/kernel/src/auth.erl +++ b/lib/kernel/src/auth.erl @@ -324,7 +324,7 @@ read_cookie(Name, Size) -> {ok, File} -> case file:read(File, Size) of {ok, List} -> - file:close(File), + ok = file:close(File), check_cookie(List, []); {error, Reason} -> make_error(Name, Reason) @@ -376,7 +376,7 @@ create_cookie(Name) -> case file:open(Name, [write, raw]) of {ok, File} -> R1 = file:write(File, Cookie), - file:close(File), + ok = file:close(File), R2 = file:raw_write_file_info(Name, make_info(Name)), case {R1, R2} of {ok, ok} -> diff --git a/lib/kernel/src/code.erl b/lib/kernel/src/code.erl index 03fba96d4b..0eda558ed5 100644 --- a/lib/kernel/src/code.erl +++ b/lib/kernel/src/code.erl @@ -364,7 +364,7 @@ load_code_server_prerequisites() -> lists, os, unicode], - [M = M:module_info(module) || M <- Needed], + _ = [M = M:module_info(module) || M <- Needed], ok. do_stick_dirs() -> diff --git a/lib/kernel/src/code_server.erl b/lib/kernel/src/code_server.erl index 5d74e8620b..fc7ac08699 100644 --- a/lib/kernel/src/code_server.erl +++ b/lib/kernel/src/code_server.erl @@ -153,7 +153,7 @@ loop(#state{supervisor=Supervisor}=State0) -> {code_call, Pid, Req} -> case handle_call(Req, {Pid, call}, State0) of {reply, Res, State} -> - reply(Pid, Res), + _ = reply(Pid, Res), loop(State); {noreply, State} -> loop(State); @@ -1410,45 +1410,236 @@ absname_vr([[X, $:]|Name], _, _AbsBase) -> do_purge(Mod0) -> Mod = to_atom(Mod0), case erlang:check_old_code(Mod) of - false -> false; - true -> do_purge(processes(), Mod, false) - end. - -do_purge([P|Ps], Mod, Purged) -> - case erlang:check_process_code(P, Mod) of + false -> + false; true -> - Ref = erlang:monitor(process, P), - exit(P, kill), - receive - {'DOWN',Ref,process,_Pid,_} -> ok + Res = check_proc_code(erlang:processes(), Mod, true), + try + erlang:purge_module(Mod) + catch + _:_ -> ignore end, - do_purge(Ps, Mod, true); - false -> - do_purge(Ps, Mod, Purged) - end; -do_purge([], Mod, Purged) -> - catch erlang:purge_module(Mod), - Purged. + Res + end. %% do_soft_purge(Module) %% Purge old code only if no procs remain that run old code. %% Return true in that case, false if procs remain (in this %% case old code is not purged) -do_soft_purge(Mod) -> +do_soft_purge(Mod0) -> + Mod = to_atom(Mod0), case erlang:check_old_code(Mod) of - false -> true; - true -> do_soft_purge(processes(), Mod) + false -> + true; + true -> + case check_proc_code(erlang:processes(), Mod, false) of + false -> + false; + true -> + try + erlang:purge_module(Mod) + catch + _:_ -> ignore + end, + true + end end. -do_soft_purge([P|Ps], Mod) -> - case erlang:check_process_code(P, Mod) of - true -> false; - false -> do_soft_purge(Ps, Mod) +%% +%% check_proc_code(Pids, Mod, Hard) - Send asynchronous +%% requests to all processes to perform a check_process_code +%% operation. Each process will check their own state and +%% reply with the result. If 'Hard' equals +%% - true, processes that refer 'Mod' will be killed. If +%% any processes were killed true is returned; otherwise, +%% false. +%% - false, and any processes refer 'Mod', false will +%% returned; otherwise, true. +%% +%% Requests will be sent to all processes identified by +%% Pids at once, but without allowing GC to be performed. +%% Check process code operations that are aborted due to +%% GC need, will be restarted allowing GC. However, only +%% ?MAX_CPC_GC_PROCS outstanding operation allowing GC at +%% a time will be allowed. This in order not to blow up +%% memory wise. +%% +%% We also only allow ?MAX_CPC_NO_OUTSTANDING_KILLS +%% outstanding kills. This both in order to avoid flooding +%% our message queue with 'DOWN' messages and limiting the +%% amount of memory used to keep references to all +%% outstanding kills. +%% + +%% We maybe should allow more than two outstanding +%% GC requests, but for now we play it safe... +-define(MAX_CPC_GC_PROCS, 2). +-define(MAX_CPC_NO_OUTSTANDING_KILLS, 10). + +-record(cpc_static, {hard, module, tag}). + +-record(cpc_kill, {outstanding = [], + no_outstanding = 0, + waiting = [], + killed = false}). + +check_proc_code(Pids, Mod, Hard) -> + Tag = erlang:make_ref(), + CpcS = #cpc_static{hard = Hard, + module = Mod, + tag = Tag}, + check_proc_code(CpcS, cpc_init(CpcS, Pids, 0), 0, [], #cpc_kill{}, true). + +check_proc_code(#cpc_static{hard = true}, 0, 0, [], + #cpc_kill{outstanding = [], waiting = [], killed = Killed}, + true) -> + %% No outstanding requests. We did a hard check, so result is whether or + %% not we killed any processes... + Killed; +check_proc_code(#cpc_static{hard = false}, 0, 0, [], _KillState, Success) -> + %% No outstanding requests and we did a soft check... + Success; +check_proc_code(#cpc_static{hard = false, tag = Tag} = CpcS, NoReq0, NoGcReq0, + [], _KillState, false) -> + %% Failed soft check; just cleanup the remaining replies corresponding + %% to the requests we've sent... + {NoReq1, NoGcReq1} = receive + {check_process_code, {Tag, _P, GC}, _Res} -> + case GC of + false -> {NoReq0-1, NoGcReq0}; + true -> {NoReq0, NoGcReq0-1} + end + end, + check_proc_code(CpcS, NoReq1, NoGcReq1, [], _KillState, false); +check_proc_code(#cpc_static{tag = Tag} = CpcS, NoReq0, NoGcReq0, NeedGC0, + KillState0, Success) -> + + %% Check if we should request a GC operation + {NoGcReq1, NeedGC1} = case NoGcReq0 < ?MAX_CPC_GC_PROCS of + GcOpAllowed when GcOpAllowed == false; + NeedGC0 == [] -> + {NoGcReq0, NeedGC0}; + _ -> + {NoGcReq0+1, cpc_request_gc(CpcS,NeedGC0)} + end, + + %% Wait for a cpc reply or 'DOWN' message + {NoReq1, NoGcReq2, Pid, Result, KillState1} = cpc_recv(Tag, + NoReq0, + NoGcReq1, + KillState0), + + %% Check the result of the reply + case Result of + aborted -> + %% Operation aborted due to the need to GC in order to + %% determine if the process is referring the module. + %% Schedule the operation for restart allowing GC... + check_proc_code(CpcS, NoReq1, NoGcReq2, [Pid|NeedGC1], KillState1, + Success); + false -> + %% Process not referring the module; done with this process... + check_proc_code(CpcS, NoReq1, NoGcReq2, NeedGC1, KillState1, + Success); + true -> + %% Process referring the module... + case CpcS#cpc_static.hard of + false -> + %% ... and soft check. The whole operation failed so + %% no point continuing; clean up and fail... + check_proc_code(CpcS, NoReq1, NoGcReq2, [], KillState1, + false); + true -> + %% ... and hard check; schedule kill of it... + check_proc_code(CpcS, NoReq1, NoGcReq2, NeedGC1, + cpc_sched_kill(Pid, KillState1), Success) + end; + 'DOWN' -> + %% Handled 'DOWN' message + check_proc_code(CpcS, NoReq1, NoGcReq2, NeedGC1, + KillState1, Success) + end. + +cpc_recv(Tag, NoReq, NoGcReq, #cpc_kill{outstanding = []} = KillState) -> + receive + {check_process_code, {Tag, Pid, GC}, Res} -> + cpc_handle_cpc(NoReq, NoGcReq, GC, Pid, Res, KillState) end; -do_soft_purge([], Mod) -> - catch erlang:purge_module(Mod), - true. +cpc_recv(Tag, NoReq, NoGcReq, + #cpc_kill{outstanding = [R0, R1, R2, R3, R4 | _]} = KillState) -> + receive + {'DOWN', R, process, _, _} when R == R0; + R == R1; + R == R2; + R == R3; + R == R4 -> + cpc_handle_down(NoReq, NoGcReq, R, KillState); + {check_process_code, {Tag, Pid, GC}, Res} -> + cpc_handle_cpc(NoReq, NoGcReq, GC, Pid, Res, KillState) + end; +cpc_recv(Tag, NoReq, NoGcReq, #cpc_kill{outstanding = [R|_]} = KillState) -> + receive + {'DOWN', R, process, _, _} -> + cpc_handle_down(NoReq, NoGcReq, R, KillState); + {check_process_code, {Tag, Pid, GC}, Res} -> + cpc_handle_cpc(NoReq, NoGcReq, GC, Pid, Res, KillState) + end. + +cpc_handle_down(NoReq, NoGcReq, R, #cpc_kill{outstanding = Rs, + no_outstanding = N} = KillState) -> + {NoReq, NoGcReq, undefined, 'DOWN', + cpc_sched_kill_waiting(KillState#cpc_kill{outstanding = cpc_list_rm(R, Rs), + no_outstanding = N-1})}. + +cpc_list_rm(R, [R|Rs]) -> + Rs; +cpc_list_rm(R0, [R1|Rs]) -> + [R1|cpc_list_rm(R0, Rs)]. + +cpc_handle_cpc(NoReq, NoGcReq, false, Pid, Res, KillState) -> + {NoReq-1, NoGcReq, Pid, Res, KillState}; +cpc_handle_cpc(NoReq, NoGcReq, true, Pid, Res, KillState) -> + {NoReq, NoGcReq-1, Pid, Res, KillState}. + +cpc_sched_kill_waiting(#cpc_kill{waiting = []} = KillState) -> + KillState; +cpc_sched_kill_waiting(#cpc_kill{outstanding = Rs, + no_outstanding = N, + waiting = [P|Ps]} = KillState) -> + R = erlang:monitor(process, P), + exit(P, kill), + KillState#cpc_kill{outstanding = [R|Rs], + no_outstanding = N+1, + waiting = Ps, + killed = true}. + +cpc_sched_kill(Pid, #cpc_kill{no_outstanding = N, waiting = Pids} = KillState) + when N >= ?MAX_CPC_NO_OUTSTANDING_KILLS -> + KillState#cpc_kill{waiting = [Pid|Pids]}; +cpc_sched_kill(Pid, + #cpc_kill{outstanding = Rs, no_outstanding = N} = KillState) -> + R = erlang:monitor(process, Pid), + exit(Pid, kill), + KillState#cpc_kill{outstanding = [R|Rs], + no_outstanding = N+1, + killed = true}. + +cpc_request(#cpc_static{tag = Tag, module = Mod}, Pid, AllowGc) -> + erlang:check_process_code(Pid, Mod, [{async, {Tag, Pid, AllowGc}}, + {allow_gc, AllowGc}]). + +cpc_request_gc(CpcS, [Pid|Pids]) -> + cpc_request(CpcS, Pid, true), + Pids. + +cpc_init(_CpcS, [], NoReqs) -> + NoReqs; +cpc_init(CpcS, [Pid|Pids], NoReqs) -> + cpc_request(CpcS, Pid, false), + cpc_init(CpcS, Pids, NoReqs+1). + +% end of check_proc_code() implementation. is_loaded(M, Db) -> case ets:lookup(Db, M) of @@ -1505,13 +1696,13 @@ finish_on_load_1(Mod, File, OnLoadRes, WaitingPids, Db) -> erlang:finish_after_on_load(Mod, Keep), Res = case Keep of false -> - finish_on_load_report(Mod, OnLoadRes), + _ = finish_on_load_report(Mod, OnLoadRes), {error,on_load_failure}; true -> ets:insert(Db, {Mod,File}), {module,Mod} end, - [reply(Pid, Res) || Pid <- WaitingPids], + _ = [reply(Pid, Res) || Pid <- WaitingPids], ok. finish_on_load_report(_Mod, Atom) when is_atom(Atom) -> diff --git a/lib/kernel/src/disk_log.erl b/lib/kernel/src/disk_log.erl index c238eff12f..9a7726cfa0 100644 --- a/lib/kernel/src/disk_log.erl +++ b/lib/kernel/src/disk_log.erl @@ -1076,13 +1076,13 @@ log_end(S, [], [], Sync) -> log_end(S, Pids, Bins, Sync) -> case do_log(get(log), rflat(Bins)) of N when is_integer(N) -> - replies(Pids, ok), + ok = replies(Pids, ok), S1 = (state_ok(S))#state{cnt = S#state.cnt+N}, log_end_sync(S1, Sync); {error, {error, {full, _Name}}, N} when Pids =:= [] -> log_end_sync(state_ok(S#state{cnt = S#state.cnt + N}), Sync); {error, Error, N} -> - replies(Pids, Error), + ok = replies(Pids, Error), state_err(S#state{cnt = S#state.cnt + N}, Error) end. @@ -1091,7 +1091,7 @@ log_end_sync(S, []) -> S; log_end_sync(S, Sync) -> Res = do_sync(get(log)), - replies(Sync, Res), + ok = replies(Sync, Res), state_err(S, Res). %% Inlined. @@ -1183,7 +1183,7 @@ do_exit(S, From, Message0, Reason) -> _ -> Message0 end, _ = disk_log_server:close(self()), - replies(From, Message), + ok = replies(From, Message), ?PROFILE(ep:done()), exit(Reason). @@ -1881,7 +1881,8 @@ replies(Pids, Reply) -> send_reply(Pids, M). send_reply(Pid, M) when is_pid(Pid) -> - Pid ! M; + Pid ! M, + ok; send_reply([Pid | Pids], M) -> Pid ! M, send_reply(Pids, M); @@ -2022,7 +2023,7 @@ notify_owners(Note) -> cache_error(S, Pids) -> Error = S#state.cache_error, - replies(Pids, Error), + ok = replies(Pids, Error), state_err(S#state{cache_error = ok}, Error). state_ok(S) -> diff --git a/lib/kernel/src/disk_log_1.erl b/lib/kernel/src/disk_log_1.erl index 9d431bdd30..59f5cad001 100644 --- a/lib/kernel/src/disk_log_1.erl +++ b/lib/kernel/src/disk_log_1.erl @@ -295,12 +295,18 @@ read_chunk_ro(FdC, FileName, Pos, MaxBytes) -> pread(FdC, FileName, Pos + ?HEADSZ, MaxBytes). %% -> ok | throw(Error) -close(#cache{fd = Fd, c = []}, _FileName, read_only) -> - file:close(Fd); +close(#cache{fd = Fd, c = []}, FileName, read_only) -> + case file:close(Fd) of + ok -> ok; + Error -> file_error(FileName, Error) + end; close(#cache{fd = Fd, c = C}, FileName, read_write) -> {Reply, _NewFdC} = write_cache(Fd, FileName, C), mark(Fd, FileName, ?CLOSED), - file:close(Fd), + case file:close(Fd) of + ok -> ok; + Error -> file_error(FileName, Error) + end, if Reply =:= ok -> ok; true -> throw(Reply) end. %% Open an internal file. Head is ignored if Mode is read_only. @@ -320,7 +326,10 @@ int_open(FName, Repair, read_write, Head) -> {ok, FileHead} -> case is_head(FileHead) of yes -> - file:close(Fd), + case file:close(Fd) of + ok -> ok; + Error2 -> file_error(FName, Error2) + end, case open_update(FName) of {ok, Fd2} -> mark(Fd2, FName, ?OPENED), @@ -333,14 +342,14 @@ int_open(FName, Repair, read_write, Head) -> yes_not_closed when Repair -> repair(Fd, FName); yes_not_closed when not Repair -> - file:close(Fd), + _ = file:close(Fd), throw({error, {need_repair, FName}}); no -> - file:close(Fd), + _ = file:close(Fd), throw({error, {not_a_log_file, FName}}) end; eof -> - file:close(Fd), + _= file:close(Fd), throw({error, {not_a_log_file, FName}}); Error -> file_error_close(Fd, FName, Error) @@ -363,11 +372,11 @@ int_open(FName, _Repair, read_only, _Head) -> FdC = #cache{fd = Fd}, {ok, {existed, FdC, {0, 0}, P}}; no -> - file:close(Fd), + _= file:close(Fd), throw({error, {not_a_log_file, FName}}) end; eof -> - file:close(Fd), + _ = file:close(Fd), throw({error, {not_a_log_file, FName}}); Error -> file_error_close(Fd, FName, Error) @@ -398,7 +407,7 @@ int_log_head(Fd, Head) -> none -> {#cache{fd = Fd}, 0, 0}; Error -> - file:close(Fd), + _= file:close(Fd), throw(Error) end. @@ -450,13 +459,13 @@ ext_log_head(Fd, Head) -> none -> {#cache{fd = Fd}, {0, 0}}; Error -> - file:close(Fd), + _= file:close(Fd), throw(Error) end. %% -> _Any | throw() mark(Fd, FileName, What) -> - position_close2(Fd, FileName, 4), + {ok, _} = position_close2(Fd, FileName, 4), fwrite_close2(Fd, FileName, What). %% -> {ok, Bin} | Error @@ -560,7 +569,7 @@ scan_f2(B, FSz, Ack, No, Bad, Size, Tail) -> end. done_scan(In, Out, OutName, FName, RecoveredTerms, BadChars) -> - file:close(In), + _ = file:close(In), case catch fclose(Out, OutName) of ok -> case file:rename(OutName, FName) of @@ -574,21 +583,21 @@ done_scan(In, Out, OutName, FName, RecoveredTerms, BadChars) -> file_error(FName, Error) end; Error -> - file:delete(OutName), + _ = file:delete(OutName), file_error(FName, Error) end; Error -> - file:delete(OutName), + _ = file:delete(OutName), throw(Error) end. -spec repair_err(file:io_device(), #cache{}, file:filename(), file:filename(), {'error', file:posix()}) -> no_return(). repair_err(In, Out, OutName, ErrFileName, Error) -> - file:close(In), + _= file:close(In), catch fclose(Out, OutName), %% OutName is often the culprit, try to remove it anyway... - file:delete(OutName), + _ = file:delete(OutName), file_error(ErrFileName, Error). %% Used by wrap_log_reader. @@ -764,10 +773,10 @@ mf_int_chunk(Handle, {FileNo, Pos}, Bin, N) -> {ok, {_Alloc, FdC, _HeadSize, _FileSize}} -> case chunk(FdC, FName, Pos, Bin, N) of {NewFdC, eof} -> - file:close(NewFdC#cache.fd), + _ = file:close(NewFdC#cache.fd), mf_int_chunk(Handle, {NFileNo, 0}, [], N); {NewFdC, Other} -> - file:close(NewFdC#cache.fd), + _ = file:close(NewFdC#cache.fd), {Handle, conv(Other, FileNo)} end end. @@ -792,10 +801,10 @@ mf_int_chunk_read_only(Handle, {FileNo, Pos}, Bin, N) -> {ok, {_Alloc, FdC, _HeadSize, _FileSize}} -> case do_chunk_read_only(FdC, FName, Pos, Bin, N) of {NewFdC, eof} -> - file:close(NewFdC#cache.fd), + _ = file:close(NewFdC#cache.fd), mf_int_chunk_read_only(Handle, {NFileNo,0}, [], N); {NewFdC, Other} -> - file:close(NewFdC#cache.fd), + _ = file:close(NewFdC#cache.fd), {Handle, conv(Other, FileNo)} end end. @@ -1017,7 +1026,7 @@ ext_file_open(FName, NewFile, OldFile, OldCnt, Head, Repair, Mode) -> read_index_file(truncate, FName, MaxF) -> remove_files(FName, 2, MaxF), - file:delete(?index_file_name(FName)), + _ = file:delete(?index_file_name(FName)), {1, 0, 0, 0}; read_index_file(_, FName, _MaxF) -> read_index_file(FName). @@ -1043,7 +1052,7 @@ read_index_file(FName) -> _ErrorOrEof -> {1, 0, 0, 0} end, - file:close(Fd), + _ = file:close(Fd), R; _Error -> {1, 0, 0, 0} @@ -1096,7 +1105,7 @@ write_index_file(read_write, FName, NewFile, OldFile, OldCnt) -> %% Very old format, convert to the latest format! case file:read_file(FileName) of {ok, <<_CurF, Tail/binary>>} -> - position_close2(Fd, FileName, bof), + {ok, _} = position_close2(Fd, FileName, bof), Bin = <<0, 0:32, ?VERSION, NewFile:32>>, NewTail = to_8_bytes(Tail, [], FileName, Fd), fwrite_close2(Fd, FileName, [Bin | NewTail]), @@ -1115,7 +1124,7 @@ write_index_file(read_write, FName, NewFile, OldFile, OldCnt) -> R = file:pread(Fd, NewPos, SzSz), OldPos = Offset + (OldFile - 1)*SzSz, pwrite_close2(Fd, FileName, OldPos, OldCntBin), - file:close(Fd), + _ = file:close(Fd), case R of {ok, <<Lost:SzSz/unit:8>>} -> Lost; {ok, _} -> @@ -1125,7 +1134,7 @@ write_index_file(read_write, FName, NewFile, OldFile, OldCnt) -> end; true -> pwrite_close2(Fd, FileName, NewPos, OldCntBin), - file:close(Fd), + _ = file:close(Fd), 0 end; E -> @@ -1137,7 +1146,7 @@ to_8_bytes(<<N:32,T/binary>>, NT, FileName, Fd) -> to_8_bytes(B, NT, _FileName, _Fd) when byte_size(B) =:= 0 -> NT; to_8_bytes(_B, _NT, FileName, Fd) -> - file:close(Fd), + _ = file:close(Fd), throw({error, {invalid_index_file, FileName}}). %% -> ok | throw(FileError) @@ -1147,7 +1156,7 @@ index_file_trunc(FName, N) -> {ok, Fd} -> case file:read(Fd, 6) of eof -> - file:close(Fd), + _ = file:close(Fd), ok; {ok, <<0, 0:32, Version>>} when Version =:= ?VERSION -> truncate_index_file(Fd, FileName, 10, 8, N); @@ -1166,10 +1175,10 @@ truncate_index_file(Fd, FileName, Offset, N, SzSz) -> Pos = Offset + N*SzSz, case Pos > file_size(FileName) of true -> - file:close(Fd); + ok = file:close(Fd); false -> truncate_at_close2(Fd, FileName, {bof, Pos}), - file:close(Fd) + ok = file:close(Fd) end, ok. @@ -1412,7 +1421,8 @@ fwrite(#cache{c = []} = FdC, _FN, B, Size) -> ok; _ -> put(write_cache_timer_is_running, true), - erlang:send_after(?TIMEOUT, self(), {self(), write_cache}) + erlang:send_after(?TIMEOUT, self(), {self(), write_cache}), + ok end, {ok, FdC#cache{sz = Size, c = B}}; fwrite(#cache{sz = Sz, c = C} = FdC, _FN, B, Size) when Sz < ?MAX -> @@ -1511,7 +1521,7 @@ position_close2(Fd, FileName, Pos) -> end. truncate_at_close2(Fd, FileName, Pos) -> - position_close2(Fd, FileName, Pos), + {ok, _} = position_close2(Fd, FileName, Pos), case file:truncate(Fd) of ok -> ok; Error -> file_error_close(Fd, FileName, Error) @@ -1519,7 +1529,7 @@ truncate_at_close2(Fd, FileName, Pos) -> fclose(#cache{fd = Fd, c = C}, FileName) -> %% The cache is empty if the file was opened in read_only mode. - write_cache_close(Fd, FileName, C), + _ = write_cache_close(Fd, FileName, C), file:close(Fd). %% -> {Reply, #cache{}}; Reply = ok | Error @@ -1549,5 +1559,5 @@ file_error(FileName, {error, Error}) -> -spec file_error_close(file:fd(), file:filename(), {'error', file:posix()}) -> no_return(). file_error_close(Fd, FileName, {error, Error}) -> - file:close(Fd), + _ = file:close(Fd), throw({error, {file_error, FileName, Error}}). diff --git a/lib/kernel/src/disk_log_server.erl b/lib/kernel/src/disk_log_server.erl index 8894ed87e8..684ea5b5db 100644 --- a/lib/kernel/src/disk_log_server.erl +++ b/lib/kernel/src/disk_log_server.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1997-2009. All Rights Reserved. +%% Copyright Ericsson AB 1997-2013. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -83,8 +83,8 @@ accessible_logs() -> init([]) -> process_flag(trap_exit, true), - ets:new(?DISK_LOG_NAME_TABLE, [named_table, set]), - ets:new(?DISK_LOG_PID_TABLE, [named_table, set]), + _ = ets:new(?DISK_LOG_NAME_TABLE, [named_table, set]), + _= ets:new(?DISK_LOG_PID_TABLE, [named_table, set]), {ok, #state{}}. handle_call({open, W, A}, From, State) -> @@ -159,15 +159,25 @@ ensure_started() -> undefined -> LogSup = {disk_log_sup, {disk_log_sup, start_link, []}, permanent, 1000, supervisor, [disk_log_sup]}, - supervisor:start_child(kernel_safe_sup, LogSup), + {ok, _} = ensure_child_started(kernel_safe_sup, LogSup), LogServer = {disk_log_server, {disk_log_server, start_link, []}, permanent, 2000, worker, [disk_log_server]}, - supervisor:start_child(kernel_safe_sup, LogServer), + {ok, _} = ensure_child_started(kernel_safe_sup, LogServer), ok; _ -> ok end. +ensure_child_started(Sup,Child) -> + case supervisor:start_child(Sup, Child) of + {ok,Pid} -> + {ok,Pid}; + {error,{already_started,Pid}} -> + {ok,Pid}; + Error -> + Error + end. + open([{Req, From} | L], State) -> State2 = case do_open(Req, From, State) of {pending, State1} -> diff --git a/lib/kernel/src/dist_ac.erl b/lib/kernel/src/dist_ac.erl index 5c62aa31e9..a4d4ae386c 100644 --- a/lib/kernel/src/dist_ac.erl +++ b/lib/kernel/src/dist_ac.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1997-2009. All Rights Reserved. +%% Copyright Ericsson AB 1997-2013. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -283,7 +283,7 @@ handle_cast(init_sync, _S) -> KernelConfig ! dist_ac_took_control, %% we're really just interested in nodedowns. - net_kernel:monitor_nodes(true), + ok = net_kernel:monitor_nodes(true), {Known, NAppls, RStarted} = sync_dacs(Appls), @@ -321,7 +321,7 @@ handle_call({takeover_application, AppName, RestartType}, From, S) -> case keysearch(AppName, #appl.name, Appls) of {value, Appl} when element(1, Appl#appl.id) =:= distributed -> {distributed, Node} = Appl#appl.id, - ac_takeover(req, AppName, Node, RestartType), + _ = ac_takeover(req, AppName, Node, RestartType), NAppl = Appl#appl{id = takeover}, NAppls = keyreplace(AppName, #appl.name, Appls, NAppl), TR = S#state.t_reqs, @@ -341,10 +341,10 @@ handle_call({permit_application, AppName, Bool, LockId, StartInfo}, From, S) -> %% here, but we have to be backwards-compatible. case application_controller:get_loaded(AppName) of {true, _} when not Bool -> - ac_stop_it(AppName), + _ = ac_stop_it(AppName), {reply, ok, S}; {true, _} when Bool -> - ac_start_it(req, AppName), + _ = ac_start_it(req, AppName), {reply, ok, S}; false -> {reply, {error, {not_loaded, AppName}}, S} @@ -533,7 +533,7 @@ handle_info({dist_ac_app_started, Node, Name, Res}, S) -> %% Another node started appl. Update appl list. {distributed, Node} end, - ac_started(req, Name, Node), + _ = ac_started(req, Name, Node), NAppl = Appl#appl{id = NId}, NAppls = keyreplace(Name, #appl.name, Appls, NAppl), TmpWeights = keydelete_all(Name, 1, S#state.tmp_weights), @@ -622,7 +622,7 @@ handle_info({nodedown, Node}, S) -> true -> {true, Appl#appl{id = {failover, Node}}}; false -> - ac_not_running(Appl#appl.name), + _ = ac_not_running(Appl#appl.name), {true, Appl#appl{id = undefined}} end; (_) -> @@ -656,7 +656,8 @@ handle_info({dist_ac_app_loaded, Node, Name, HisNodes, Permission, HeKnowsMe}, %% he's a new node connecting to us. Msg = {dist_ac_app_loaded, node(), Name, Nodes, dist_is_runnable(Appls, Name), true}, - {?DIST_AC, Node} ! Msg; + {?DIST_AC, Node} ! Msg, + ok; true -> ok end, @@ -811,29 +812,29 @@ start_appl(AppName, S, Type) -> start_distributed(Appl, Name, Nodes, PermittedNodes, S, Type) -> case find_start_node(Nodes, PermittedNodes, Name, S) of {ok, Node} when Node =:= node() -> - case Appl#appl.id of - {failover, FoNode} when Type =:= req -> - ac_failover(Name, FoNode, undefined); - {distributed, Node2} when Type =:= req -> - ac_takeover(req, Name, Node2, undefined); - _ when Type =:= reply -> - case lists:keysearch(Name, 2, S#state.remote_started) of - {value, {Node3, _}} -> - ac_takeover(reply, Name, Node3, undefined); - _ -> - ac_start_it(Type, Name) - end; - _ -> - ac_start_it(Type, Name) - end, + _ = case Appl#appl.id of + {failover, FoNode} when Type =:= req -> + ac_failover(Name, FoNode, undefined); + {distributed, Node2} when Type =:= req -> + ac_takeover(req, Name, Node2, undefined); + _ when Type =:= reply -> + case lists:keysearch(Name, 2, S#state.remote_started) of + {value, {Node3, _}} -> + ac_takeover(reply, Name, Node3, undefined); + _ -> + ac_start_it(Type, Name) + end; + _ -> + ac_start_it(Type, Name) + end, {run_waiting, true}; {already_started, Node} -> - ac_started(Type, Name, Node), + _ = ac_started(Type, Name, Node), {{distributed, Node}, false}; {ok, Node} -> case keysearch(Name, #appl.name, S#state.appls) of {value, #appl{id = {distributed, Node}}} -> - ac_started(Type, Name, Node), + _ = ac_started(Type, Name, Node), {{distributed, Node}, false}; _ -> wait_dist_start(Node, Appl, Name, Nodes, @@ -842,7 +843,7 @@ start_distributed(Appl, Name, Nodes, PermittedNodes, S, Type) -> not_started -> wait_dist_start2(Appl, Name, Nodes, PermittedNodes, S, Type); no_permission -> - ac_not_started(Type, Name), + _ = ac_not_started(Type, Name), {undefined, false} end. @@ -850,11 +851,11 @@ wait_dist_start(Node, Appl, Name, Nodes, PermittedNodes, S, Type) -> monitor_node(Node, true), receive {dist_ac_app_started, Node, Name, ok} -> - ac_started(Type, Name, Node), + _ = ac_started(Type, Name, Node), monitor_node(Node, false), {{distributed, Node}, false}; {dist_ac_app_started, Node, Name, {error, R}} -> - ac_error(Type, Name, {Node, R}), + _ = ac_error(Type, Name, {Node, R}), monitor_node(Node, false), {Appl#appl.id, false}; {dist_ac_weight, Name, _Weigth, Node} -> @@ -883,10 +884,10 @@ wait_dist_start(Node, Appl, Name, Nodes, PermittedNodes, S, Type) -> wait_dist_start2(Appl, Name, Nodes, PermittedNodes, S, Type) -> receive {dist_ac_app_started, Node, Name, ok} -> - ac_started(Type, Name, Node), + _ = ac_started(Type, Name, Node), {{distributed, Node}, false}; {dist_ac_app_started, Node, Name, {error, R}} -> - ac_error(Type, Name, {Node, R}), + _ = ac_error(Type, Name, {Node, R}), {Appl#appl.id, false}; {nodedown, Node} -> %% A node went down, try to start the app again - there may not @@ -974,7 +975,7 @@ permit(false, {value, _}, AppName, From, S, _LockId) -> case dist_get_runnable_nodes(S#state.appls, AppName) of [] -> %% There is no runnable node; stop application - ac_stop_it(AppName), + _ = ac_stop_it(AppName), SReqs = [{AppName, From} | S#state.s_reqs], {noreply, S#state{s_reqs = SReqs}}; Nodes -> @@ -1155,7 +1156,8 @@ send_nodes(Nodes, Msg) -> end, FlatNodes). send_after(Time, Msg) when is_integer(Time), Time >= 0 -> - spawn_link(?MODULE, send_timeout, [self(), Time, Msg]); + _Pid = spawn_link(?MODULE, send_timeout, [self(), Time, Msg]), + ok; send_after(_,_) -> % infinity ok. @@ -1305,7 +1307,7 @@ check_waiting([{From, AppName, false, Nodes} | Reqs], S, Node, Appls, Res, SReqs) -> case lists:delete(Node, Nodes) of [] -> - ac_stop_it(AppName), + _ = ac_stop_it(AppName), NSReqs = [{AppName, From} | SReqs], check_waiting(Reqs, Node, S, Appls, Res, NSReqs); NNodes -> diff --git a/lib/kernel/src/erl_boot_server.erl b/lib/kernel/src/erl_boot_server.erl index 0d68d3e198..9a49655a9f 100644 --- a/lib/kernel/src/erl_boot_server.erl +++ b/lib/kernel/src/erl_boot_server.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1996-2011. All Rights Reserved. +%% Copyright Ericsson AB 1996-2013. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -191,7 +191,7 @@ init(Slaves) -> {ok, UPort} = inet:port(U), Ref = make_ref(), Pid = proc_lib:spawn_link(?MODULE, boot_init, [Ref]), - gen_tcp:controlling_process(L, Pid), + ok = gen_tcp:controlling_process(L, Pid), Pid ! {Ref, L}, %% We trap exit inorder to restart boot_init and udp_port process_flag(trap_exit, true), @@ -233,9 +233,19 @@ handle_info({udp, U, IP, Port, Data}, S0) -> %% erlang version as the boot server node case {Valid,Data,Token} of {true,Token,Token} -> - gen_udp:send(U,IP,Port,[?EBOOT_REPLY,S0#state.priority, - int16(S0#state.listen_port), - S0#state.version]), + case gen_udp:send(U,IP,Port,[?EBOOT_REPLY,S0#state.priority, + int16(S0#state.listen_port), + S0#state.version]) + of + ok -> ok; + {error, not_owner} -> + error_logger:error_msg("** Illegal boot server connection attempt: " + "not owner of ~w ** ~n", [U]); + {error, Reason} -> + Err = file:format_error(Reason), + error_logger:error_msg("** Illegal boot server connection attempt: " + "~w POSIX error ** ~n", [U, Err]) + end, {noreply,S0}; {false,_,_} -> error_logger:error_msg("** Illegal boot server connection attempt: " @@ -351,7 +361,14 @@ handle_command(S, PS, Msg) -> end. send_file_result(S, Cmd, Result) -> - gen_tcp:send(S, term_to_binary({Cmd,Result})). - -send_result(S, Result) -> - gen_tcp:send(S, term_to_binary(Result)). + send_result(S, {Cmd,Result}). + +send_result(S, Term) -> + case gen_tcp:send(S, term_to_binary(Term)) of + ok -> + ok; + Error -> + error_logger:error_msg("** Boot server could not send result " + "to socket: ~w** ~n", [Error]), + ok + end. diff --git a/lib/kernel/src/erl_epmd.erl b/lib/kernel/src/erl_epmd.erl index 91af49f303..b4fae24ef3 100644 --- a/lib/kernel/src/erl_epmd.erl +++ b/lib/kernel/src/erl_epmd.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1998-2010. All Rights Reserved. +%% Copyright Ericsson AB 1998-2013. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -217,17 +217,23 @@ do_register_node(NodeName, TcpPort) -> Extra = "", Elen = length(Extra), Len = 1+2+1+1+2+2+2+length(Name)+2+Elen, - gen_tcp:send(Socket, [?int16(Len), ?EPMD_ALIVE2_REQ, - ?int16(TcpPort), - $M, - 0, - ?int16(epmd_dist_high()), - ?int16(epmd_dist_low()), - ?int16(length(Name)), - Name, - ?int16(Elen), - Extra]), - wait_for_reg_reply(Socket, []); + Packet = [?int16(Len), ?EPMD_ALIVE2_REQ, + ?int16(TcpPort), + $M, + 0, + ?int16(epmd_dist_high()), + ?int16(epmd_dist_low()), + ?int16(length(Name)), + Name, + ?int16(Elen), + Extra], + case gen_tcp:send(Socket, Packet) of + ok -> + wait_for_reg_reply(Socket, []); + Error -> + close(Socket), + Error + end; Error -> Error end. @@ -294,8 +300,14 @@ get_port(Node, EpmdAddress, Timeout) -> {ok, Socket} -> Name = to_string(Node), Len = 1+length(Name), - gen_tcp:send(Socket, [?int16(Len),?EPMD_PORT_PLEASE2_REQ, Name]), - wait_for_port_reply(Socket, []); + Msg = [?int16(Len),?EPMD_PORT_PLEASE2_REQ,Name], + case gen_tcp:send(Socket, Msg) of + ok -> + wait_for_port_reply(Socket, []); + _Error -> + ?port_please_failure2(_Error), + noport + end; _Error -> ?port_please_failure2(_Error), noport @@ -374,7 +386,7 @@ wait_for_port_reply_name(Socket, Len, Sofar) -> % io:format("data = ~p~n", _Data), wait_for_port_reply_name(Socket, Len, Sofar); {tcp_closed, Socket} -> - "foobar" + ok end. @@ -424,19 +436,24 @@ get_names(EpmdAddress) -> end. do_get_names(Socket) -> - gen_tcp:send(Socket, [?int16(1),?EPMD_NAMES]), - receive - {tcp, Socket, [P0,P1,P2,P3|T]} -> - EpmdPort = ?u32(P0,P1,P2,P3), - case get_epmd_port() of - EpmdPort -> - names_loop(Socket, T, []); - _ -> - close(Socket), - {error, address} + case gen_tcp:send(Socket, [?int16(1),?EPMD_NAMES]) of + ok -> + receive + {tcp, Socket, [P0,P1,P2,P3|T]} -> + EpmdPort = ?u32(P0,P1,P2,P3), + case get_epmd_port() of + EpmdPort -> + names_loop(Socket, T, []); + _ -> + close(Socket), + {error, address} + end; + {tcp_closed, Socket} -> + {ok, []} end; - {tcp_closed, Socket} -> - {ok, []} + _ -> + close(Socket), + {error, address} end. names_loop(Socket, Acc, Ps) -> diff --git a/lib/kernel/src/erl_reply.erl b/lib/kernel/src/erl_reply.erl index 1a61e630bc..f0be3ee654 100644 --- a/lib/kernel/src/erl_reply.erl +++ b/lib/kernel/src/erl_reply.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1997-2009. All Rights Reserved. +%% Copyright Ericsson AB 1997-2013. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -32,7 +32,7 @@ reply([Addr,Port,Msg]) -> P = list_to_integer(atom_to_list(Port)), M = atom_to_list(Msg), {ok, S} = gen_tcp:connect(Ip,P,[]), - gen_tcp:send(S,M), + ok = gen_tcp:send(S,M), gen_tcp:close(S), reply_done; reply(_) -> diff --git a/lib/kernel/src/error_logger.erl b/lib/kernel/src/error_logger.erl index 92c1eb80dc..b8fbf02feb 100644 --- a/lib/kernel/src/error_logger.erl +++ b/lib/kernel/src/error_logger.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1996-2012. All Rights Reserved. +%% Copyright Ericsson AB 1996-2013. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -245,16 +245,18 @@ notify(Msg) -> -spec swap_handler(Type :: swap_handler_type()) -> any(). swap_handler(tty) -> - gen_event:swap_handler(error_logger, {error_logger, swap}, - {error_logger_tty_h, []}), - simple_logger(); + R = gen_event:swap_handler(error_logger, {error_logger, swap}, + {error_logger_tty_h, []}), + ok = simple_logger(), + R; swap_handler({logfile, File}) -> - gen_event:swap_handler(error_logger, {error_logger, swap}, - {error_logger_file_h, File}), - simple_logger(); + R = gen_event:swap_handler(error_logger, {error_logger, swap}, + {error_logger_file_h, File}), + ok = simple_logger(), + R; swap_handler(silent) -> - gen_event:delete_handler(error_logger, error_logger, delete), - simple_logger(); + _ = gen_event:delete_handler(error_logger, error_logger, delete), + ok = simple_logger(); swap_handler(false) -> ok. % keep primitive event handler as-is diff --git a/lib/kernel/src/erts_debug.erl b/lib/kernel/src/erts_debug.erl index 6654cd9ee7..f7a815882b 100644 --- a/lib/kernel/src/erts_debug.erl +++ b/lib/kernel/src/erts_debug.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1999-2012. All Rights Reserved. +%% Copyright Ericsson AB 1999-2013. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -288,7 +288,7 @@ dff(Name, Fs) when is_list(Name) -> try dff(F, Fs) after - file:close(F) + _ = file:close(F) end; {error,Reason} -> {error,{badopen,Reason}} diff --git a/lib/kernel/src/file.erl b/lib/kernel/src/file.erl index 36289053eb..23cf74f80f 100644 --- a/lib/kernel/src/file.erl +++ b/lib/kernel/src/file.erl @@ -95,7 +95,8 @@ Delay :: non_neg_integer()} | 'delayed_write' | {'read_ahead', Size :: pos_integer()} | 'read_ahead' | 'compressed' - | {'encoding', unicode:encoding()}. + | {'encoding', unicode:encoding()} + | sync. -type deep_list() :: [char() | atom() | deep_list()]. -type name() :: string() | atom() | deep_list(). -type name_all() :: string() | atom() | deep_list() | (RawFilename :: binary()). @@ -110,7 +111,8 @@ -type date_time() :: calendar:datetime(). -type posix_file_advise() :: 'normal' | 'sequential' | 'random' | 'no_reuse' | 'will_need' | 'dont_need'. --type sendfile_option() :: {chunk_size, non_neg_integer()}. +-type sendfile_option() :: {chunk_size, non_neg_integer()} + | {use_threads, boolean()}. -type file_info_option() :: {'time', 'local'} | {'time', 'universal'} | {'time', 'posix'}. %%% BIFs @@ -376,7 +378,7 @@ write_file(Name, Bin, ModeList) when is_list(ModeList) -> ok -> close(Handle); E1 -> - close(Handle), + _ = close(Handle), E1 end; E2 -> @@ -770,7 +772,7 @@ copy_int({SourceName, SourceOpts}, Dest, Length) case open(Source, [read | SourceOpts]) of {ok, Handle} -> Result = copy_opened_int(Handle, Dest, Length, 0), - close(Handle), + _ = close(Handle), Result; {error, _} = Error -> Error @@ -786,9 +788,16 @@ copy_int(Source, {DestName, DestOpts}, Length) Dest -> case open(Dest, [write | DestOpts]) of {ok, Handle} -> - Result = copy_opened_int(Source, Handle, Length, 0), - close(Handle), - Result; + case copy_opened_int(Source, Handle, Length, 0) of + {ok, _} = OK -> + case close(Handle) of + ok -> OK; + Error -> Error + end; + Error -> + _ = close(Handle), + Error + end; {error, _} = Error -> Error end @@ -957,7 +966,7 @@ consult(File) -> case open(File, [read]) of {ok, Fd} -> R = consult_stream(Fd), - close(Fd), + _ = close(Fd), R; Error -> Error @@ -977,10 +986,10 @@ path_consult(Path, File) -> {ok, Fd, Full} -> case consult_stream(Fd) of {ok, List} -> - close(Fd), + _ = close(Fd), {ok, List, Full}; E1 -> - close(Fd), + _ = close(Fd), E1 end; E2 -> @@ -1005,7 +1014,7 @@ eval(File, Bs) -> case open(File, [read]) of {ok, Fd} -> R = eval_stream(Fd, ignore, Bs), - close(Fd), + _ = close(Fd), R; Error -> Error @@ -1035,10 +1044,10 @@ path_eval(Path, File, Bs) -> {ok, Fd, Full} -> case eval_stream(Fd, ignore, Bs) of ok -> - close(Fd), + _ = close(Fd), {ok, Full}; E1 -> - close(Fd), + _ = close(Fd), E1 end; E2 -> @@ -1065,7 +1074,7 @@ script(File, Bs) -> case open(File, [read]) of {ok, Fd} -> R = eval_stream(Fd, return, Bs), - close(Fd), + _ = close(Fd), R; Error -> Error @@ -1098,10 +1107,10 @@ path_script(Path, File, Bs) -> {ok,Fd,Full} -> case eval_stream(Fd, return, Bs) of {ok,R} -> - close(Fd), + _ = close(Fd), {ok, R, Full}; E1 -> - close(Fd), + _ = close(Fd), E1 end; E2 -> @@ -1221,8 +1230,7 @@ change_time(Name, {{AY, AM, AD}, {AH, AMin, ASec}}=Atime, sendfile(File, _Sock, _Offet, _Bytes, _Opts) when is_pid(File) -> {error, badarg}; sendfile(File, Sock, Offset, Bytes, []) -> - sendfile(File, Sock, Offset, Bytes, ?MAX_CHUNK_SIZE, [], [], - false, false, false); + sendfile(File, Sock, Offset, Bytes, ?MAX_CHUNK_SIZE, [], [], []); sendfile(File, Sock, Offset, Bytes, Opts) -> ChunkSize0 = proplists:get_value(chunk_size, Opts, ?MAX_CHUNK_SIZE), ChunkSize = if ChunkSize0 > ?MAX_CHUNK_SIZE -> @@ -1232,8 +1240,7 @@ sendfile(File, Sock, Offset, Bytes, Opts) -> %% Support for headers, trailers and options has been removed because the %% Darwin and BSD API for using it does not play nice with %% non-blocking sockets. See unix_efile.c for more info. - sendfile(File, Sock, Offset, Bytes, ChunkSize, [], [], - false,false,false). + sendfile(File, Sock, Offset, Bytes, ChunkSize, [], [], Opts). %% sendfile/2 -spec sendfile(Filename, Socket) -> @@ -1247,23 +1254,23 @@ sendfile(Filename, Sock) -> {error, Reason}; {ok, Fd} -> Res = sendfile(Fd, Sock, 0, 0, []), - file:close(Fd), + _ = file:close(Fd), Res end. %% Internal sendfile functions sendfile(#file_descriptor{ module = Mod } = Fd, Sock, Offset, Bytes, - ChunkSize, Headers, Trailers, Nodiskio, MNowait, Sync) + ChunkSize, Headers, Trailers, Opts) when is_port(Sock) -> case Mod:sendfile(Fd, Sock, Offset, Bytes, ChunkSize, Headers, Trailers, - Nodiskio, MNowait, Sync) of + Opts) of {error, enotsup} -> sendfile_fallback(Fd, Sock, Offset, Bytes, ChunkSize, Headers, Trailers); Else -> Else end; -sendfile(_,_,_,_,_,_,_,_,_,_) -> +sendfile(_,_,_,_,_,_,_,_) -> {error, badarg}. %%% @@ -1298,7 +1305,7 @@ sendfile_fallback(File, Sock, Offset, Bytes, ChunkSize) -> {ok, CurrPos} = file:position(File, {cur, 0}), {ok, _NewPos} = file:position(File, {bof, Offset}), Res = sendfile_fallback_int(File, Sock, Bytes, ChunkSize, 0), - file:position(File, {bof, CurrPos}), + _ = file:position(File, {bof, CurrPos}), Res. diff --git a/lib/kernel/src/file_io_server.erl b/lib/kernel/src/file_io_server.erl index 0bcb1a658b..0e9ff5bc0f 100644 --- a/lib/kernel/src/file_io_server.erl +++ b/lib/kernel/src/file_io_server.erl @@ -162,29 +162,29 @@ server_loop(#state{mref = Mref} = State) -> {file_request, From, ReplyAs, Request} when is_pid(From) -> case file_request(Request, State) of {reply, Reply, NewState} -> - file_reply(From, ReplyAs, Reply), + _ = file_reply(From, ReplyAs, Reply), server_loop(NewState); {error, Reply, NewState} -> %% error is the same as reply, except that %% it breaks the io_request_loop further down - file_reply(From, ReplyAs, Reply), + _ = file_reply(From, ReplyAs, Reply), server_loop(NewState); {stop, Reason, Reply, _NewState} -> - file_reply(From, ReplyAs, Reply), + _ = file_reply(From, ReplyAs, Reply), exit(Reason) end; {io_request, From, ReplyAs, Request} when is_pid(From) -> case io_request(Request, State) of {reply, Reply, NewState} -> - io_reply(From, ReplyAs, Reply), + _ = io_reply(From, ReplyAs, Reply), server_loop(NewState); {error, Reply, NewState} -> %% error is the same as reply, except that %% it breaks the io_request_loop further down - io_reply(From, ReplyAs, Reply), + _ = io_reply(From, ReplyAs, Reply), server_loop(NewState); {stop, Reason, Reply, _NewState} -> - io_reply(From, ReplyAs, Reply), + _ = io_reply(From, ReplyAs, Reply), exit(Reason) end; {'DOWN', Mref, _, _, Reason} -> diff --git a/lib/kernel/src/file_server.erl b/lib/kernel/src/file_server.erl index d036dbb516..eabf0401a3 100644 --- a/lib/kernel/src/file_server.erl +++ b/lib/kernel/src/file_server.erl @@ -78,7 +78,8 @@ init([]) -> process_flag(trap_exit, true), case ?PRIM_FILE:start() of {ok, Handle} -> - ets:new(?FILE_IO_SERVER_TABLE, [named_table]), + ?FILE_IO_SERVER_TABLE = + ets:new(?FILE_IO_SERVER_TABLE, [named_table]), {ok, Handle}; {error, Reason} -> {stop, Reason} diff --git a/lib/kernel/src/gen_sctp.erl b/lib/kernel/src/gen_sctp.erl index 067e07304d..adaa3159ec 100644 --- a/lib/kernel/src/gen_sctp.erl +++ b/lib/kernel/src/gen_sctp.erl @@ -36,7 +36,7 @@ -type assoc_id() :: term(). -type option() :: - {active, true | false | once} | + {active, true | false | once | -32768..32767} | {buffer, non_neg_integer()} | {dontroute, boolean()} | {high_msgq_watermark, pos_integer()} | @@ -274,7 +274,7 @@ do_connect(S, Addr, Port, Opts, Timeout, ConnWait) when is_port(S), is_list(Opts Mod:connect(S, IP, Port, Opts, ConnectTimer); Error -> Error after - inet:stop_timer(Timer) + _ = inet:stop_timer(Timer) end catch error:badarg -> diff --git a/lib/kernel/src/gen_tcp.erl b/lib/kernel/src/gen_tcp.erl index a98ed4c238..bc8ffbe5e3 100644 --- a/lib/kernel/src/gen_tcp.erl +++ b/lib/kernel/src/gen_tcp.erl @@ -30,7 +30,7 @@ -include("file.hrl"). -type option() :: - {active, true | false | once} | + {active, true | false | once | -32768..32767} | {buffer, non_neg_integer()} | {delay_send, boolean()} | {deliver, port | term} | @@ -139,7 +139,7 @@ connect(Address, Port, Opts) -> connect(Address, Port, Opts, Time) -> Timer = inet:start_timer(Time), Res = (catch connect1(Address,Port,Opts,Timer)), - inet:stop_timer(Timer), + _ = inet:stop_timer(Timer), case Res of {ok,S} -> {ok,S}; {error, einval} -> exit(badarg); diff --git a/lib/kernel/src/gen_udp.erl b/lib/kernel/src/gen_udp.erl index e82b11d2ef..70dceb3679 100644 --- a/lib/kernel/src/gen_udp.erl +++ b/lib/kernel/src/gen_udp.erl @@ -26,7 +26,7 @@ -include("inet_int.hrl"). -type option() :: - {active, true | false | once} | + {active, true | false | once | -32768..32767} | {add_membership, {inet:ip_address(), inet:ip_address()}} | {broadcast, boolean()} | {buffer, non_neg_integer()} | diff --git a/lib/kernel/src/global.erl b/lib/kernel/src/global.erl index b24a9d5eac..ef878b8d0c 100644 --- a/lib/kernel/src/global.erl +++ b/lib/kernel/src/global.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1996-2012. All Rights Reserved. +%% Copyright Ericsson AB 1996-2013. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -2069,7 +2069,8 @@ random_sleep(Times) -> case get(random_seed) of undefined -> {A1, A2, A3} = now(), - random:seed(A1, A2, A3 + erlang:phash(node(), 100000)); + _ = random:seed(A1, A2, A3 + erlang:phash(node(), 100000)), + ok; _ -> ok end, %% First time 1/4 seconds, then doubling each time up to 8 seconds max. diff --git a/lib/kernel/src/global_group.erl b/lib/kernel/src/global_group.erl index 025a9b8a5b..da8b573749 100644 --- a/lib/kernel/src/global_group.erl +++ b/lib/kernel/src/global_group.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1998-2011. All Rights Reserved. +%% Copyright Ericsson AB 1998-2013. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -1149,9 +1149,14 @@ do_unlink(Pid, State) -> %%%==================================================================================== %%% Send a nodeup/down messages to monitoring Pids in the own global group. %%%==================================================================================== -send_monitor([P|T], M, no_conf) -> safesend_nc(P, M), send_monitor(T, M, no_conf); -send_monitor([P|T], M, SyncState) -> safesend(P, M), send_monitor(T, M, SyncState); -send_monitor([], _, _) -> ok. +send_monitor([P|T], M, no_conf) -> + _ = safesend_nc(P, M), + send_monitor(T, M, no_conf); +send_monitor([P|T], M, SyncState) -> + _ = safesend(P, M), + send_monitor(T, M, SyncState); +send_monitor([], _, _) -> + ok. safesend(Name, {Msg, Node}) when is_atom(Name) -> case lists:member(Node, get_own_nodes()) of diff --git a/lib/kernel/src/group.erl b/lib/kernel/src/group.erl index ff835e1047..b36dbf33dd 100644 --- a/lib/kernel/src/group.erl +++ b/lib/kernel/src/group.erl @@ -309,15 +309,17 @@ io_requests([], Stat, _) -> %% The ACK contains the return value. io_reply(From, ReplyAs, Reply) -> - From ! {io_reply,ReplyAs,Reply}. + From ! {io_reply,ReplyAs,Reply}, + ok. %% send_drv(Drv, Message) %% send_drv_reqs(Drv, Requests) send_drv(Drv, Msg) -> - Drv ! {self(),Msg}. + Drv ! {self(),Msg}, + ok. -send_drv_reqs(_Drv, []) -> []; +send_drv_reqs(_Drv, []) -> ok; send_drv_reqs(Drv, Rs) -> send_drv(Drv, {requests,Rs}). diff --git a/lib/kernel/src/heart.erl b/lib/kernel/src/heart.erl index 87cb9d7f51..daed6dd488 100644 --- a/lib/kernel/src/heart.erl +++ b/lib/kernel/src/heart.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1996-2012. All Rights Reserved. +%% Copyright Ericsson AB 1996-2013. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -182,20 +182,24 @@ wait_ack(Port) -> end. loop(Parent, Port, Cmd) -> - send_heart_beat(Port), + _ = send_heart_beat(Port), receive - {From, set_cmd, NewCmd} when length(NewCmd) < 2047 -> - send_heart_cmd(Port, NewCmd), - wait_ack(Port), - From ! {heart, ok}, - loop(Parent, Port, NewCmd); - {From, set_cmd, NewCmd} -> - From ! {heart, {error, {bad_cmd, NewCmd}}}, - loop(Parent, Port, Cmd); + {From, set_cmd, NewCmd0} -> + Enc = file:native_name_encoding(), + case catch unicode:characters_to_binary(NewCmd0,Enc,Enc) of + NewCmd when is_binary(NewCmd), byte_size(NewCmd) < 2047 -> + _ = send_heart_cmd(Port, NewCmd), + _ = wait_ack(Port), + From ! {heart, ok}, + loop(Parent, Port, NewCmd); + _ -> + From ! {heart, {error, {bad_cmd, NewCmd0}}}, + loop(Parent, Port, Cmd) + end; {From, clear_cmd} -> From ! {heart, ok}, - send_heart_cmd(Port, ""), - wait_ack(Port), + _ = send_heart_cmd(Port, ""), + _ = wait_ack(Port), loop(Parent, Port, ""); {From, get_cmd} -> From ! {heart, get_heart_cmd(Port)}, @@ -222,7 +226,7 @@ loop(Parent, Port, Cmd) -> -spec no_reboot_shutdown(port()) -> no_return(). no_reboot_shutdown(Port) -> - send_shutdown(Port), + _ = send_shutdown(Port), receive {'EXIT', Port, Reason} when Reason =/= badsig -> exit(normal) @@ -232,10 +236,10 @@ do_cycle_port_program(Caller, Parent, Port, Cmd) -> unregister(?HEART_PORT_NAME), case catch start_portprogram() of {ok, NewPort} -> - send_shutdown(Port), + _ = send_shutdown(Port), receive {'EXIT', Port, _Reason} -> - send_heart_cmd(NewPort, Cmd), + _ = send_heart_cmd(NewPort, Cmd), Caller ! {heart, ok}, loop(Parent, NewPort, Cmd) after @@ -243,7 +247,7 @@ do_cycle_port_program(Caller, Parent, Port, Cmd) -> %% Huh! Two heart port programs running... %% well, the old one has to be sick not to respond %% so we'll settle for the new one... - send_heart_cmd(NewPort, Cmd), + _ = send_heart_cmd(NewPort, Cmd), Caller ! {heart, {error, stop_error}}, loop(Parent, NewPort, Cmd) end; diff --git a/lib/kernel/src/hipe_unified_loader.erl b/lib/kernel/src/hipe_unified_loader.erl index 0a0e6003ee..e111cb800e 100644 --- a/lib/kernel/src/hipe_unified_loader.erl +++ b/lib/kernel/src/hipe_unified_loader.erl @@ -228,14 +228,16 @@ load_common(Mod, Bin, Beam, OldReferencesToPatch) -> %% (patches the BEAM code to redirect to native.) case Beam of [] -> - export_funs(Addresses); + export_funs(Addresses), + ok; BeamBinary when is_binary(BeamBinary) -> %% Find all closures in the code. ClosurePatches = find_closure_patches(Refs), AddressesOfClosuresToPatch = calculate_addresses(ClosurePatches, CodeAddress, Addresses), export_funs(Addresses), - export_funs(Mod, BeamBinary, Addresses, AddressesOfClosuresToPatch) + export_funs(Mod, BeamBinary, Addresses, AddressesOfClosuresToPatch), + ok end, %% Redirect references to the old module to the new module's BEAM stub. patch_to_emu_step2(OldReferencesToPatch), diff --git a/lib/kernel/src/inet.erl b/lib/kernel/src/inet.erl index b1c9d56c2d..41d422d7d4 100644 --- a/lib/kernel/src/inet.erl +++ b/lib/kernel/src/inet.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1997-2013. All Rights Reserved. +%% Copyright Ericsson AB 1997-2014. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -457,7 +457,7 @@ gethostbyname(Name,Family) -> gethostbyname(Name,Family,Timeout) -> Timer = start_timer(Timeout), Res = gethostbyname_tm(Name,Family,Timer), - stop_timer(Timer), + _ = stop_timer(Timer), Res. gethostbyname_tm(Name,Family,Timer) -> @@ -488,7 +488,7 @@ gethostbyaddr(Address) -> gethostbyaddr(Address,Timeout) -> Timer = start_timer(Timeout), Res = gethostbyaddr_tm(Address, Timer), - stop_timer(Timer), + _ = stop_timer(Timer), Res. gethostbyaddr_tm(Address,Timer) -> @@ -543,7 +543,7 @@ getaddr(Address, Family) -> getaddr(Address, Family, Timeout) -> Timer = start_timer(Timeout), Res = getaddr_tm(Address, Family, Timer), - stop_timer(Timer), + _ = stop_timer(Timer), Res. getaddr_tm(Address, Family, Timer) -> @@ -569,7 +569,7 @@ getaddrs(Address, Family) -> getaddrs(Address, Family, Timeout) -> Timer = start_timer(Timeout), Res = getaddrs_tm(Address, Family, Timer), - stop_timer(Timer), + _ = stop_timer(Timer), Res. -spec getservbyport(Port :: port_number(), Protocol :: atom() | string()) -> @@ -597,8 +597,7 @@ getservbyname(Name, Protocol) when is_atom(Name) -> Error -> Error end. --spec ntoa(IpAddress) -> - {ok, Address} | {error, einval} when +-spec ntoa(IpAddress) -> Address | {error, einval} when Address :: string(), IpAddress :: ip_address(). ntoa(Addr) -> @@ -717,6 +716,9 @@ con_opt([Opt | Opts], R, As) -> false -> {error, badarg} end; + {active,N} when is_integer(N), N < 32768, N >= -32768 -> + NOpts = lists:keydelete(active, 1, R#connect_opts.opts), + con_opt(Opts, R#connect_opts { opts = [{active,N}|NOpts] }, As); {Name,Val} when is_atom(Name) -> con_add(Name, Val, R, Opts, As); _ -> {error, badarg} end; @@ -783,6 +785,9 @@ list_opt([Opt | Opts], R, As) -> false -> {error, badarg} end; + {active,N} when is_integer(N), N < 32768, N >= -32768 -> + NOpts = lists:keydelete(active, 1, R#listen_opts.opts), + list_opt(Opts, R#listen_opts { opts = [{active,N}|NOpts] }, As); {Name,Val} when is_atom(Name) -> list_add(Name, Val, R, Opts, As); _ -> {error, badarg} end; @@ -837,6 +842,9 @@ udp_opt([Opt | Opts], R, As) -> false -> {error, badarg} end; + {active,N} when is_integer(N), N < 32768, N >= -32768 -> + NOpts = lists:keydelete(active, 1, R#udp_opts.opts), + udp_opt(Opts, R#udp_opts { opts = [{active,N}|NOpts] }, As); {Name,Val} when is_atom(Name) -> udp_add(Name, Val, R, Opts, As); _ -> {error, badarg} end; @@ -855,7 +863,7 @@ udp_add(Name, Val, R, Opts, As) -> %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % Currently supported options include: % (*) {mode, list|binary} or just list|binary -% (*) {active, true|false|once} +% (*) {active, true|false|once|N} % (*) {sctp_module, inet_sctp|inet6_sctp} or just inet|inet6 % (*) options set via setsockopt. % The full list is below in sctp_options/0 . @@ -917,6 +925,9 @@ sctp_opt([Opt|Opts], Mod, R, As) -> false -> {error, badarg} end; + {active,N} when is_integer(N), N < 32768, N >= -32768 -> + NOpts = lists:keydelete(active, 1, R#sctp_opts.opts), + sctp_opt(Opts, Mod, R#sctp_opts { opts = [{active,N}|NOpts] }, As); {Name,Val} -> sctp_opt (Opts, Mod, R, As, Name, Val); _ -> {error,badarg} end; @@ -1495,7 +1506,7 @@ tcp_controlling_process(S, NewOwner) when is_port(S), is_pid(NewOwner) -> {ok, A0} -> case A0 of false -> ok; - _ -> prim_inet:setopt(S, active, false) + _ -> ok = prim_inet:setopt(S, active, false) end, case tcp_sync_input(S, NewOwner, false) of true -> %% socket already closed, @@ -1506,7 +1517,7 @@ tcp_controlling_process(S, NewOwner) when is_port(S), is_pid(NewOwner) -> unlink(S), %% unlink from port case A0 of false -> ok; - _ -> prim_inet:setopt(S, active, A0) + _ -> ok = prim_inet:setopt(S, active, A0) end, ok catch @@ -1549,13 +1560,12 @@ udp_controlling_process(S, NewOwner) when is_port(S), is_pid(NewOwner) -> {error, not_owner}; _ -> {ok, A0} = prim_inet:getopt(S, active), - prim_inet:setopt(S, active, false), + ok = prim_inet:setopt(S, active, false), udp_sync_input(S, NewOwner), try erlang:port_connect(S, NewOwner) of true -> unlink(S), - prim_inet:setopt(S, active, A0), - ok + ok = prim_inet:setopt(S, active, A0) catch error:Reason -> {error, Reason} diff --git a/lib/kernel/src/inet6_tcp_dist.erl b/lib/kernel/src/inet6_tcp_dist.erl index 2cb0e10c87..459fdc2ad5 100644 --- a/lib/kernel/src/inet6_tcp_dist.erl +++ b/lib/kernel/src/inet6_tcp_dist.erl @@ -92,7 +92,7 @@ accept_loop(Kernel, Listen) -> case inet6_tcp:accept(Listen) of {ok, Socket} -> Kernel ! {accept,self(),Socket,inet6,tcp}, - controller(Kernel, Socket), + _ = controller(Kernel, Socket), accept_loop(Kernel, Listen); Error -> exit(Error) diff --git a/lib/kernel/src/inet_db.erl b/lib/kernel/src/inet_db.erl index a7679c531b..2ebdc0f554 100644 --- a/lib/kernel/src/inet_db.erl +++ b/lib/kernel/src/inet_db.erl @@ -1117,7 +1117,7 @@ handle_call(Request, From, #state{db=Db}=State) -> {set_cache_refresh, Time} when is_integer(Time), Time > 0 -> Time1 = ((Time+999) div 1000)*1000, %% round up ets:insert(Db, {cache_refresh_interval, Time1}), - stop_timer(State#state.cache_timer), + _ = stop_timer(State#state.cache_timer), {reply, ok, State#state{cache_timer = init_timer()}}; clear_hosts -> @@ -1131,7 +1131,7 @@ handle_call(Request, From, #state{db=Db}=State) -> reset -> reset_db(Db), - stop_timer(State#state.cache_timer), + _ = stop_timer(State#state.cache_timer), {reply, ok, State#state{cache_timer = init_timer()}}; {add_rc_list, List} -> @@ -1181,7 +1181,7 @@ handle_info(_Info, State) -> -spec terminate(term(), state()) -> 'ok'. terminate(_Reason, State) -> - stop_timer(State#state.cache_timer), + _ = stop_timer(State#state.cache_timer), ok. %%%---------------------------------------------------------------------- @@ -1240,8 +1240,9 @@ do_add_host(Byname, Byaddr, Names, Type, IP) -> ok. do_del_host(Byname, Byaddr, IP) -> - [ets:delete_object(Byname, {tolower(Name),Type,Addr}) || - {Name,Type,Addr} <- ets:lookup(Byaddr, IP)], + _ = + [ets:delete_object(Byname, {tolower(Name),Type,Addr}) || + {Name,Type,Addr} <- ets:lookup(Byaddr, IP)], ets:delete(Byaddr, IP), ok. diff --git a/lib/kernel/src/inet_gethost_native.erl b/lib/kernel/src/inet_gethost_native.erl index 65d4c84e3b..4320987078 100644 --- a/lib/kernel/src/inet_gethost_native.erl +++ b/lib/kernel/src/inet_gethost_native.erl @@ -237,7 +237,7 @@ handle_message({Port, {data, Data}}, State = #state{port = Port}) -> State; Req -> lists:foreach(fun({P,R,TR}) -> - ?CANCEL_TIMER(TR), + _= ?CANCEL_TIMER(TR), P ! {R, {ok, BinReply}} @@ -276,7 +276,7 @@ handle_message({timeout, Pid, RID}, State) -> {last, {LP,LR,_}} -> LP ! {LR, {error,timeout}}, %% Remove the whole request structure... - pick_request(State, RID), + _ = pick_request(State, RID), %% Also cancel the request to the port program... (catch port_command(State#state.port, <<RID:32,?OP_CANCEL_REQUEST>>)) @@ -517,7 +517,7 @@ do_start(Sup, C) -> {error, {{already_started, Pid}, _Child}} when is_pid(Pid) -> ok; {error, already_present} -> - supervisor:delete_child(Sup, Child), + _ = supervisor:delete_child(Sup, Child), do_start(Sup, C) end. diff --git a/lib/kernel/src/inet_int.hrl b/lib/kernel/src/inet_int.hrl index 641a8dc0ca..889b596a22 100644 --- a/lib/kernel/src/inet_int.hrl +++ b/lib/kernel/src/inet_int.hrl @@ -46,6 +46,7 @@ -define(INET_PASSIVE, 0). -define(INET_ACTIVE, 1). -define(INET_ONCE, 2). % Active once then passive +-define(INET_MULTI, 3). % Active N then passive %% state codes (getstatus, INET_REQ_GETSTATUS) -define(INET_F_OPEN, 16#0001). diff --git a/lib/kernel/src/inet_parse.erl b/lib/kernel/src/inet_parse.erl index 98bd8d386c..a88c94a453 100644 --- a/lib/kernel/src/inet_parse.erl +++ b/lib/kernel/src/inet_parse.erl @@ -288,7 +288,7 @@ parse_file(_, File, Fn) -> case file:open(File, [read]) of {ok, Fd} -> Result = parse_fd(File,Fd, 1, Fn, []), - file:close(Fd), + _ = file:close(Fd), Result; Error -> Error end. diff --git a/lib/kernel/src/inet_res.erl b/lib/kernel/src/inet_res.erl index 94a9f7c64d..6037da1d22 100644 --- a/lib/kernel/src/inet_res.erl +++ b/lib/kernel/src/inet_res.erl @@ -139,7 +139,7 @@ resolve(Name, Class, Type, Opts, Timeout) -> {ok, Nm} -> Timer = inet:start_timer(Timeout), Res = res_query(Nm, Class, Type, Opts, Timer), - inet:stop_timer(Timer), + _ = inet:stop_timer(Timer), Res; Error -> Error @@ -339,7 +339,7 @@ gethostbyaddr(IP) -> gethostbyaddr_tm(IP,false). gethostbyaddr(IP,Timeout) -> Timer = inet:start_timer(Timeout), Res = gethostbyaddr_tm(IP,Timer), - inet:stop_timer(Timer), + _ = inet:stop_timer(Timer), Res. gethostbyaddr_tm({A,B,C,D} = IP, Timer) when ?ip(A,B,C,D) -> @@ -424,7 +424,7 @@ gethostbyname(Name,Family) -> gethostbyname(Name,Family,Timeout) -> Timer = inet:start_timer(Timeout), Res = gethostbyname_tm(Name,Family,Timer), - inet:stop_timer(Timer), + _ = inet:stop_timer(Timer), Res. gethostbyname_tm(Name,inet,Timer) -> @@ -483,7 +483,7 @@ getbyname(Name, Type) -> getbyname(Name, Type, Timeout) -> Timer = inet:start_timer(Timeout), Res = getbyname_tm(Name, Type, Timer), - inet:stop_timer(Timer), + _ = inet:stop_timer(Timer), Res. getbyname_tm(Name, Type, Timer) when is_list(Name) -> @@ -921,18 +921,25 @@ query_tcp(Timeout, Id, Buffer, IP, Port, Verbose) -> [{active,false},{packet,2},binary,Family], Timeout) of {ok, S} -> - gen_tcp:send(S, Buffer), - case gen_tcp:recv(S, 0, Timeout) of - {ok, Answer} -> - gen_tcp:close(S), - case decode_answer(Answer, Id, Verbose) of - {ok, _} = OK -> OK; - {error, badid} -> {error, servfail}; - Error -> Error + case gen_tcp:send(S, Buffer) of + ok -> + case gen_tcp:recv(S, 0, Timeout) of + {ok, Answer} -> + gen_tcp:close(S), + case decode_answer(Answer, Id, Verbose) of + {ok, _} = OK -> OK; + {error, badid} -> {error, servfail}; + Error -> Error + end; + Error -> + gen_tcp:close(S), + ?verbose(Verbose, "TCP server recv error: ~p\n", + [Error]), + Error end; Error -> gen_tcp:close(S), - ?verbose(Verbose, "TCP server recv error: ~p\n", + ?verbose(Verbose, "TCP server send error: ~p\n", [Error]), Error end; diff --git a/lib/kernel/src/inet_sctp.erl b/lib/kernel/src/inet_sctp.erl index 2d799d79fa..93528d305d 100644 --- a/lib/kernel/src/inet_sctp.erl +++ b/lib/kernel/src/inet_sctp.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2007-2011. All Rights Reserved. +%% Copyright Ericsson AB 2007-2013. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -135,7 +135,7 @@ connect_get_assoc(S, Addr, Port, Active, Timer) -> {sctp,S,Addr,Port,{_,#sctp_assoc_change{state=St}=Ev}} -> case Active of once -> - prim_inet:setopt(S, active, once); + ok = prim_inet:setopt(S, active, once); _ -> ok end, if St =:= comm_up -> diff --git a/lib/kernel/src/inet_tcp_dist.erl b/lib/kernel/src/inet_tcp_dist.erl index 8005eff58c..63f236b069 100644 --- a/lib/kernel/src/inet_tcp_dist.erl +++ b/lib/kernel/src/inet_tcp_dist.erl @@ -119,7 +119,7 @@ accept_loop(Kernel, Listen) -> case inet_tcp:accept(Listen) of {ok, Socket} -> Kernel ! {accept,self(),Socket,inet,tcp}, - controller(Kernel, Socket), + _ = controller(Kernel, Socket), accept_loop(Kernel, Listen); Error -> exit(Error) diff --git a/lib/kernel/src/kernel.appup.src b/lib/kernel/src/kernel.appup.src index 54628800a8..f8f4cc1ec2 100644 --- a/lib/kernel/src/kernel.appup.src +++ b/lib/kernel/src/kernel.appup.src @@ -1,7 +1,7 @@ %% -*- erlang -*- %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1999-2011. All Rights Reserved. +%% Copyright Ericsson AB 1999-2014. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -16,12 +16,10 @@ %% %% %CopyrightEnd% {"%VSN%", - %% Up from - max two major revisions back - [{<<"2\\.16(\\.[0-9]+)*">>,[restart_new_emulator]}, %% R16 - {<<"2\\.15(\\.[0-9]+)*">>,[restart_new_emulator]}, %% R15 - {<<"2\\.14(\\.[0-9]+)*">>,[restart_new_emulator]}],%% R14 - %% Down to - max two major revisions back - [{<<"2\\.16(\\.[0-9]+)*">>,[restart_new_emulator]}, %% R16 - {<<"2\\.15(\\.[0-9]+)*">>,[restart_new_emulator]}, %% R15 - {<<"2\\.14(\\.[0-9]+)*">>,[restart_new_emulator]}] %% R14 + %% Up from - max one major revision back + [{<<"3\\.0(\\.[0-9]+)*">>,[restart_new_emulator]}, %% R17 + {<<"2\\.16(\\.[0-9]+)*">>,[restart_new_emulator]}],%% R16 + %% Down to - max one major revision back + [{<<"3\\.0(\\.[0-9]+)*">>,[restart_new_emulator]}, %% R17 + {<<"2\\.16(\\.[0-9]+)*">>,[restart_new_emulator]}] %% R16 }. diff --git a/lib/kernel/src/kernel.erl b/lib/kernel/src/kernel.erl index 1e07620a3e..ecdb32424a 100644 --- a/lib/kernel/src/kernel.erl +++ b/lib/kernel/src/kernel.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1996-2010. All Rights Reserved. +%% Copyright Ericsson AB 1996-2013. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -32,8 +32,13 @@ start(_, []) -> case supervisor:start_link({local, kernel_sup}, kernel, []) of {ok, Pid} -> Type = get_error_logger_type(), - error_logger:swap_handler(Type), - {ok, Pid, []}; + case error_logger:swap_handler(Type) of + ok -> {ok, Pid, []}; + Error -> + %% Not necessary since the node will crash anyway: + exit(Pid, shutdown), + Error + end; Error -> Error end. diff --git a/lib/kernel/src/kernel_config.erl b/lib/kernel/src/kernel_config.erl index 48141cfa03..56defcb167 100644 --- a/lib/kernel/src/kernel_config.erl +++ b/lib/kernel/src/kernel_config.erl @@ -121,7 +121,7 @@ send_timeout(Timeout, Pid) -> end. wait_nodes(Mandatory, Optional) -> - net_kernel:monitor_nodes(true), + ok = net_kernel:monitor_nodes(true), lists:foreach(fun(Node) -> case net_adm:ping(Node) of pong -> self() ! {nodeup, Node}; @@ -129,7 +129,9 @@ wait_nodes(Mandatory, Optional) -> end end, Mandatory ++ Optional), - rec_nodes(Mandatory, Optional). + R = rec_nodes(Mandatory, Optional), + ok = net_kernel:monitor_nodes(false), + R. rec_nodes([], []) -> ok; rec_nodes(Mandatory, Optional) -> diff --git a/lib/kernel/src/net_adm.erl b/lib/kernel/src/net_adm.erl index 9b2dac9544..3f5eac7822 100644 --- a/lib/kernel/src/net_adm.erl +++ b/lib/kernel/src/net_adm.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1996-2011. All Rights Reserved. +%% Copyright Ericsson AB 1996-2013. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -133,7 +133,7 @@ dns_hostname(Hostname) -> -spec ping_list([atom()]) -> [atom()]. ping_list(Nodelist) -> - net_kernel:monitor_nodes(true), + ok = net_kernel:monitor_nodes(true), Sofar = ping_first(Nodelist, nodes()), collect_new(Sofar, Nodelist). @@ -159,7 +159,7 @@ collect_new(Sofar, Nodelist) -> collect_new([Node | Sofar], Nodelist) end after 3000 -> - net_kernel:monitor_nodes(false), + ok = net_kernel:monitor_nodes(false), Sofar end. diff --git a/lib/kernel/src/net_kernel.erl b/lib/kernel/src/net_kernel.erl index dd0071b914..04a0d94ebf 100644 --- a/lib/kernel/src/net_kernel.erl +++ b/lib/kernel/src/net_kernel.erl @@ -306,21 +306,21 @@ do_connect(Node, Type, WaitForBarred) -> %% Type = normal | hidden end. passive_connect_monitor(Parent, Node) -> - monitor_nodes(true,[{node_type,all}]), + ok = monitor_nodes(true,[{node_type,all}]), case lists:member(Node,nodes([connected])) of true -> - monitor_nodes(false,[{node_type,all}]), + ok = monitor_nodes(false,[{node_type,all}]), Parent ! {self(),true}; _ -> Ref = make_ref(), Tref = erlang:send_after(connecttime(),self(),Ref), receive Ref -> - monitor_nodes(false,[{node_type,all}]), + ok = monitor_nodes(false,[{node_type,all}]), Parent ! {self(), false}; {nodeup,Node,_} -> - monitor_nodes(false,[{node_type,all}]), - erlang:cancel_timer(Tref), + ok = monitor_nodes(false,[{node_type,all}]), + _ = erlang:cancel_timer(Tref), Parent ! {self(),true} end end. @@ -734,7 +734,7 @@ handle_info(transition_period_end, how = How}} = State) -> ?tckr_dbg(transition_period_ended), case How of - shorter -> Tckr ! {new_ticktime, T}; + shorter -> Tckr ! {new_ticktime, T}, done; _ -> done end, {noreply,State#state{tick = #tick{ticker = Tckr, time = T}}}; @@ -1573,9 +1573,10 @@ async_gen_server_reply(From, Msg) -> ok -> ok; nosuspend -> - spawn(fun() -> catch erlang:send(Pid, M, [noconnect]) end); + _ = spawn(fun() -> catch erlang:send(Pid, M, [noconnect]) end), + ok; noconnect -> ok; % The gen module takes care of this case. - {'EXIT', _}=EXIT -> - EXIT + {'EXIT', _} -> + ok end. diff --git a/lib/kernel/src/os.erl b/lib/kernel/src/os.erl index 9415593485..9ffa9adeab 100644 --- a/lib/kernel/src/os.erl +++ b/lib/kernel/src/os.erl @@ -189,20 +189,25 @@ extensions() -> Command :: atom() | io_lib:chars(). cmd(Cmd) -> validate(Cmd), - case type() of - {unix, _} -> - unix_cmd(Cmd); - {win32, Wtype} -> - Command0 = case {os:getenv("COMSPEC"),Wtype} of - {false,windows} -> lists:concat(["command.com /c", Cmd]); - {false,_} -> lists:concat(["cmd /c", Cmd]); - {Cspec,_} -> lists:concat([Cspec," /c",Cmd]) - end, - %% open_port/2 awaits string() in Command, but io_lib:chars() can be - %% deep lists according to io_lib module description. - Command = lists:flatten(Command0), - Port = open_port({spawn, Command}, [stream, in, eof, hide]), - get_data(Port, []) + Bytes = case type() of + {unix, _} -> + unix_cmd(Cmd); + {win32, Wtype} -> + Command0 = case {os:getenv("COMSPEC"),Wtype} of + {false,windows} -> lists:concat(["command.com /c", Cmd]); + {false,_} -> lists:concat(["cmd /c", Cmd]); + {Cspec,_} -> lists:concat([Cspec," /c",Cmd]) + end, + %% open_port/2 awaits string() in Command, but io_lib:chars() can be + %% deep lists according to io_lib module description. + Command = lists:flatten(Command0), + Port = open_port({spawn, Command}, [stream, in, eof, hide]), + get_data(Port, []) + end, + String = unicode:characters_to_list(list_to_binary(Bytes)), + if %% Convert to unicode list if possible otherwise return bytes + is_list(String) -> String; + true -> Bytes end. unix_cmd(Cmd) -> @@ -284,8 +289,8 @@ start_port_srv_handle({Ref,Client}) -> error:Reason -> {Reason,erlang:get_stacktrace()} end, - Client ! {Ref,Reply}. - + Client ! {Ref,Reply}, + ok. start_port_srv_loop() -> receive @@ -293,7 +298,7 @@ start_port_srv_loop() -> is_pid(Client) -> start_port_srv_handle(Request); _Junk -> - ignore + ok end, start_port_srv_loop(). @@ -343,7 +348,7 @@ mk_cmd(Cmd) when is_atom(Cmd) -> % backward comp. mk_cmd(Cmd) -> %% We insert a new line after the command, in case the command %% contains a comment character. - io_lib:format("(~ts\n) </dev/null; echo \"\^D\"\n", [Cmd]). + [$(, unicode:characters_to_binary(Cmd), "\n) </dev/null; echo \"\^D\"\n"]. validate(Atom) when is_atom(Atom) -> @@ -351,7 +356,7 @@ validate(Atom) when is_atom(Atom) -> validate(List) when is_list(List) -> validate1(List). -validate1([C|Rest]) when is_integer(C), 0 =< C, C < 256 -> +validate1([C|Rest]) when is_integer(C) -> validate1(Rest); validate1([List|Rest]) when is_list(List) -> validate1(List), diff --git a/lib/kernel/src/pg2.erl b/lib/kernel/src/pg2.erl index 1ff10eb303..b562d4ffd2 100644 --- a/lib/kernel/src/pg2.erl +++ b/lib/kernel/src/pg2.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1997-2012. All Rights Reserved. +%% Copyright Ericsson AB 1997-2013. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -45,7 +45,7 @@ start() -> -spec create(Name :: name()) -> 'ok'. create(Name) -> - ensure_started(), + _ = ensure_started(), case ets:member(pg2_table, {group, Name}) of false -> global:trans({{?MODULE, Name}, self()}, @@ -60,7 +60,7 @@ create(Name) -> -spec delete(Name :: name()) -> 'ok'. delete(Name) -> - ensure_started(), + _ = ensure_started(), global:trans({{?MODULE, Name}, self()}, fun() -> gen_server:multi_call(?MODULE, {delete, Name}) @@ -71,7 +71,7 @@ delete(Name) -> when Name :: name(). join(Name, Pid) when is_pid(Pid) -> - ensure_started(), + _ = ensure_started(), case ets:member(pg2_table, {group, Name}) of false -> {error, {no_such_group, Name}}; @@ -88,7 +88,7 @@ join(Name, Pid) when is_pid(Pid) -> when Name :: name(). leave(Name, Pid) when is_pid(Pid) -> - ensure_started(), + _ = ensure_started(), case ets:member(pg2_table, {group, Name}) of false -> {error, {no_such_group, Name}}; @@ -105,7 +105,7 @@ leave(Name, Pid) when is_pid(Pid) -> when Name :: name(). get_members(Name) -> - ensure_started(), + _ = ensure_started(), case ets:member(pg2_table, {group, Name}) of true -> group_members(Name); @@ -117,7 +117,7 @@ get_members(Name) -> when Name :: name(). get_local_members(Name) -> - ensure_started(), + _ = ensure_started(), case ets:member(pg2_table, {group, Name}) of true -> local_group_members(Name); @@ -128,7 +128,7 @@ get_local_members(Name) -> -spec which_groups() -> [Name :: name()]. which_groups() -> - ensure_started(), + _ = ensure_started(), all_groups(). -spec get_closest_pid(Name) -> pid() | {'error', Reason} when @@ -165,7 +165,7 @@ get_closest_pid(Name) -> init([]) -> Ns = nodes(), - net_kernel:monitor_nodes(true), + ok = net_kernel:monitor_nodes(true), lists:foreach(fun(N) -> {?MODULE, N} ! {new_pg2, node()}, self() ! {nodeup, N} @@ -283,7 +283,7 @@ member_died(Ref) -> join_group(Name, Pid) -> Ref_Pid = {ref, Pid}, - try _ = ets:update_counter(pg2_table, Ref_Pid, {4, +1}) + try _ = ets:update_counter(pg2_table, Ref_Pid, {4, +1}), true catch _:_ -> {RPid, Ref} = do_monitor(Pid), true = ets:insert(pg2_table, {Ref_Pid, RPid, Ref, 1}), diff --git a/lib/kernel/src/rpc.erl b/lib/kernel/src/rpc.erl index 0e7e7d2031..2300b7e901 100644 --- a/lib/kernel/src/rpc.erl +++ b/lib/kernel/src/rpc.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1996-2013. All Rights Reserved. +%% Copyright Ericsson AB 1996-2014. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -66,7 +66,7 @@ %%------------------------------------------------------------------------ --type state() :: gb_tree(). +-type state() :: gb_trees:tree(pid(), {pid(), reference()}). %%------------------------------------------------------------------------ @@ -158,20 +158,20 @@ handle_info({Caller, {reply, Reply}}, S) -> {noreply, S} end; handle_info({From, {sbcast, Name, Msg}}, S) -> - case catch Name ! Msg of %% use catch to get the printout - {'EXIT', _} -> - From ! {?NAME, node(), {nonexisting_name, Name}}; - _ -> - From ! {?NAME, node(), node()} - end, + _ = case catch Name ! Msg of %% use catch to get the printout + {'EXIT', _} -> + From ! {?NAME, node(), {nonexisting_name, Name}}; + _ -> + From ! {?NAME, node(), node()} + end, {noreply, S}; handle_info({From, {send, Name, Msg}}, S) -> - case catch Name ! {From, Msg} of %% use catch to get the printout - {'EXIT', _} -> - From ! {?NAME, node(), {nonexisting_name, Name}}; - _ -> - ok %% It's up to Name to respond !!!!! - end, + _ = case catch Name ! {From, Msg} of %% use catch to get the printout + {'EXIT', _} -> + From ! {?NAME, node(), {nonexisting_name, Name}}; + _ -> + ok %% It's up to Name to respond !!!!! + end, {noreply, S}; handle_info({From, {call,Mod,Fun,Args,Gleader}}, S) -> %% Special for hidden C node's, uugh ... @@ -423,7 +423,7 @@ abcast(Name, Mess) -> abcast([Node|Tail], Name, Mess) -> Dest = {Name,Node}, case catch erlang:send(Dest, Mess, [noconnect]) of - noconnect -> spawn(erlang, send, [Dest,Mess]); + noconnect -> spawn(erlang, send, [Dest,Mess]), ok; _ -> ok end, abcast(Tail, Name, Mess); diff --git a/lib/kernel/src/seq_trace.erl b/lib/kernel/src/seq_trace.erl index a90b7b07c8..38a61f4644 100644 --- a/lib/kernel/src/seq_trace.erl +++ b/lib/kernel/src/seq_trace.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1998-2011. All Rights Reserved. +%% Copyright Ericsson AB 1998-2013. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -125,7 +125,7 @@ get_system_tracer() -> %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% set_token2([{Type,Val}|T]) -> - erlang:seq_trace(Type, Val), + _ = erlang:seq_trace(Type, Val), set_token2(T); set_token2([]) -> ok. diff --git a/lib/kernel/src/standard_error.erl b/lib/kernel/src/standard_error.erl index e41dcd01fc..10cf77e0d4 100644 --- a/lib/kernel/src/standard_error.erl +++ b/lib/kernel/src/standard_error.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2009-2010. All Rights Reserved. +%% Copyright Ericsson AB 2009-2013. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -69,7 +69,7 @@ run(P) -> server_loop(Port) -> receive {io_request,From,ReplyAs,Request} when is_pid(From) -> - do_io_request(Request, From, ReplyAs, Port), + _ = do_io_request(Request, From, ReplyAs, Port), server_loop(Port); {'EXIT',Port,badsig} -> % Ignore badsig errors server_loop(Port); @@ -175,7 +175,7 @@ io_reply(From, ReplyAs, Reply) -> %% put_chars put_chars(Chars, Port) when is_binary(Chars) -> - put_port(Chars, Port), + _ = put_port(Chars, Port), {ok,ok}; put_chars(Chars, Port) -> case catch list_to_binary(Chars) of diff --git a/lib/kernel/src/user.erl b/lib/kernel/src/user.erl index c897d46bc2..40376ef752 100644 --- a/lib/kernel/src/user.erl +++ b/lib/kernel/src/user.erl @@ -103,11 +103,11 @@ catch_loop(Port, Shell, Q) -> {unknown_exit,{Shell,Reason},_} -> % shell has exited case Reason of normal -> - put_chars("*** ", Port, []); + put_port(<<"*** ">>, Port); _ -> - put_chars("*** ERROR: ", Port, []) + put_port(<<"*** ERROR: ">>, Port) end, - put_chars("Shell process terminated! ***\n", Port, []), + put_port(<<"Shell process terminated! ***\n">>, Port), catch_loop(Port, start_new_shell()); {unknown_exit,_,Q1} -> catch_loop(Port, Shell, Q1); @@ -181,7 +181,7 @@ get_fd_geometry(Port) -> do_io_request(Req, From, ReplyAs, Port, Q0) -> case io_request(Req, Port, Q0) of {_Status,Reply,Q1} -> - io_reply(From, ReplyAs, Reply), + _ = io_reply(From, ReplyAs, Reply), Q1; {exit,What} -> ok = send_port(Port, close), diff --git a/lib/kernel/src/user_drv.erl b/lib/kernel/src/user_drv.erl index 7b4ffb09ca..a91c23539d 100644 --- a/lib/kernel/src/user_drv.erl +++ b/lib/kernel/src/user_drv.erl @@ -488,21 +488,19 @@ set_unicode_state(Iport, Bool) -> %% io_request(Request, InPort, OutPort) %% io_requests(Requests, InPort, OutPort) - -io_request({put_chars, unicode,Cs}, _Iport, Oport) -> - Oport ! {self(),{command,[?OP_PUTC|unicode:characters_to_binary(Cs,utf8)]}}; -io_request({move_rel,N}, _Iport, Oport) -> - Oport ! {self(),{command,[?OP_MOVE|put_int16(N, [])]}}; -io_request({insert_chars,unicode,Cs}, _Iport, Oport) -> - Oport ! {self(),{command,[?OP_INSC|unicode:characters_to_binary(Cs,utf8)]}}; -io_request({delete_chars,N}, _Iport, Oport) -> - Oport ! {self(),{command,[?OP_DELC|put_int16(N, [])]}}; -io_request(beep, _Iport, Oport) -> - Oport ! {self(),{command,[?OP_BEEP]}}; -io_request({requests,Rs}, Iport, Oport) -> - io_requests(Rs, Iport, Oport); -io_request(_R, _Iport, _Oport) -> - ok. +%% Note: InPort is unused. + +io_request(Request, Iport, Oport) -> + try io_command(Request) of + Command -> + Oport ! {self(),Command}, + ok + catch + {requests,Rs} -> + io_requests(Rs, Iport, Oport); + _ -> + ok + end. io_requests([R|Rs], Iport, Oport) -> io_request(R, Iport, Oport), @@ -513,6 +511,19 @@ io_requests([], _Iport, _Oport) -> put_int16(N, Tail) -> [(N bsr 8)band 255,N band 255|Tail]. +io_command({put_chars, unicode,Cs}) -> + {command,[?OP_PUTC|unicode:characters_to_binary(Cs,utf8)]}; +io_command({move_rel,N}) -> + {command,[?OP_MOVE|put_int16(N, [])]}; +io_command({insert_chars,unicode,Cs}) -> + {command,[?OP_INSC|unicode:characters_to_binary(Cs,utf8)]}; +io_command({delete_chars,N}) -> + {command,[?OP_DELC|put_int16(N, [])]}; +io_command(beep) -> + {command,[?OP_BEEP]}; +io_command(Else) -> + throw(Else). + %% gr_new() %% gr_get_num(Group, Index) %% gr_get_info(Group, Pid) diff --git a/lib/kernel/src/wrap_log_reader.erl b/lib/kernel/src/wrap_log_reader.erl index 689269fc28..7e1f4aa07f 100644 --- a/lib/kernel/src/wrap_log_reader.erl +++ b/lib/kernel/src/wrap_log_reader.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1998-2012. All Rights Reserved. +%% Copyright Ericsson AB 1998-2013. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -149,7 +149,7 @@ open_int(File, FileNo, FirstFileNo) -> {ok, Head} -> case disk_log_1:is_head(Head) of no -> - file:close(Fd), + _ = file:close(Fd), {error, {not_a_log_file, FName}}; _ -> % yes or yes_not_closed case last_mod_time(FName) of @@ -161,12 +161,12 @@ open_int(File, FileNo, FirstFileNo) -> first_no = FirstFileNo}, {ok, WR}; {error, E} -> - file:close(Fd), + _ = file:close(Fd), {error, {file_error, FName, E}} end end; _Other -> - file:close(Fd), + _ = file:close(Fd), {error, {not_a_log_file, FName}} end; _Other -> @@ -280,7 +280,7 @@ read_next_file(WR, N, NewFileNo, Bad) -> true -> case open_int(File, NewFileNo, FirstFileNo) of {ok, NWR} -> - close(WR), %% Now we can safely close the old file. + _ = close(WR), %% Now we can safely close the old file. chunk(NWR, N, Bad); Error -> Error diff --git a/lib/kernel/test/application_SUITE.erl b/lib/kernel/test/application_SUITE.erl index 9ec8a15861..c6cbd1a0ef 100644 --- a/lib/kernel/test/application_SUITE.erl +++ b/lib/kernel/test/application_SUITE.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1996-2013. All Rights Reserved. +%% Copyright Ericsson AB 1996-2014. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -33,10 +33,10 @@ permit_false_start_local/1, permit_false_start_dist/1, script_start/1, nodedown_start/1, init2973/0, loop2973/0, loop5606/1]). --export([config_change/1, +-export([config_change/1, persistent_env/1, distr_changed_tc1/1, distr_changed_tc2/1, ensure_started/1, ensure_all_started/1, - shutdown_func/1, do_shutdown/1, shutdown_timeout/1]). + shutdown_func/1, do_shutdown/1, shutdown_timeout/1, shutdown_deadlock/1]). -define(TESTCASE, testcase_name). -define(testcase, ?config(?TESTCASE, Config)). @@ -53,7 +53,9 @@ all() -> load_use_cache, ensure_started, {group, reported_bugs}, start_phases, script_start, nodedown_start, permit_false_start_local, permit_false_start_dist, get_key, get_env, ensure_all_started, - {group, distr_changed}, config_change, shutdown_func, shutdown_timeout]. + {group, distr_changed}, config_change, shutdown_func, shutdown_timeout, + shutdown_deadlock, + persistent_env]. groups() -> [{reported_bugs, [], @@ -960,7 +962,7 @@ nodedown_start(Conf) when is_list(Conf) -> ensure_started(suite) -> []; ensure_started(doc) -> ["Test application:ensure_started/1."]; -ensure_started(Conf) -> +ensure_started(_Conf) -> {ok, Fd} = file:open("app1.app", [write]), w_app1(Fd), @@ -980,7 +982,7 @@ ensure_started(Conf) -> ensure_all_started(suite) -> []; ensure_all_started(doc) -> ["Test application:ensure_all_started/1-2."]; -ensure_all_started(Conf) -> +ensure_all_started(_Conf) -> {ok, Fd1} = file:open("app1.app", [write]), w_app1(Fd1), @@ -1987,6 +1989,50 @@ get_appls([_ | T], Res) -> get_appls([], Res) -> Res. +persistent_env(suite) -> + []; +persistent_env(doc) -> + ["Test set_env/4 and unset_env/3 with persistent true"]; +persistent_env(Conf) when is_list(Conf) -> + ok = application:set_env(appinc, own2, persist, [{persistent, true}]), + ok = application:set_env(appinc, key1, persist, [{persistent, true}]), + + %% own_env1 and own2 are set in appinc + ok = application:load(appinc()), + {ok, value1} = application:get_env(appinc, own_env1), + {ok, persist} = application:get_env(appinc, own2), + {ok, persist} = application:get_env(appinc, key1), + + %% Changing the environment after loaded reflects and should persist + ok = application:set_env(appinc, own_env1, persist, [{persistent, true}]), + {ok, persist} = application:get_env(appinc, own_env1), + {ok, persist} = application:get_env(appinc, own2), + {ok, persist} = application:get_env(appinc, key1), + + %% On reload, own_env1, own2 and key1 should all persist + ok = application:unload(appinc), + ok = application:load(appinc()), + {ok, persist} = application:get_env(appinc, own_env1), + {ok, persist} = application:get_env(appinc, own2), + {ok, persist} = application:get_env(appinc, key1), + + %% Unset own_env1 and key1, own2 should still persist + ok = application:unset_env(appinc, own_env1, [{persistent, true}]), + ok = application:unset_env(appinc, key1, [{persistent, true}]), + undefined = application:get_env(appinc, own_env1), + {ok, persist} = application:get_env(appinc, own2), + undefined = application:get_env(appinc, key1), + + %% own_env1 should be back to its application value on reload + ok = application:unload(appinc), + ok = application:load(appinc()), + {ok, value1} = application:get_env(appinc, own_env1), + {ok, persist} = application:get_env(appinc, own2), + undefined = application:get_env(appinc, key1), + + %% Clean up + ok = application:unload(appinc). + %%%----------------------------------------------------------------- %%% Tests the 'shutdown_func' kernel config parameter %%%----------------------------------------------------------------- @@ -2051,7 +2097,32 @@ shutdown_timeout(Config) when is_list(Config) -> end, ok. +%%%----------------------------------------------------------------- +%%% Provokes a (previous) application shutdown deadlock +%%%----------------------------------------------------------------- +shutdown_deadlock(Config) when is_list(Config) -> + DataDir = ?config(data_dir,Config), + code:add_path(filename:join([DataDir,deadlock])), + %% ok = rpc:call(Cp1, application, start, [sasl]), + ok = application:start(deadlock), + Tester = self(), + application:set_env(deadlock, fail_stop, Tester), + spawn(fun() -> Tester ! {stop, application:stop(deadlock)} end), + receive + {deadlock, Server} -> + spawn(fun() -> + Master = application_controller:get_master(deadlock), + Child = application_master:get_child(Master), + Tester ! {child, Child} + end), + timer:sleep(100), + erlang:display({self(), "Sending Continue", Server}), + Server ! continue + end, + [_|_] = application:which_applications(), + application:unload(deadlock), % clean up! + ok. %%----------------------------------------------------------------- diff --git a/lib/kernel/test/application_SUITE_data/deadlock/deadlock.app b/lib/kernel/test/application_SUITE_data/deadlock/deadlock.app index 0c1001bed6..233c7a3f76 100644 --- a/lib/kernel/test/application_SUITE_data/deadlock/deadlock.app +++ b/lib/kernel/test/application_SUITE_data/deadlock/deadlock.app @@ -4,5 +4,5 @@ {applications, [kernel, stdlib, sasl]}, {modules, [deadlock]}, {mod, {deadlock, []}}, - {env, [{fail_start, false}]} + {env, [{fail_start, false}, {fail_stop, false}]} ]}. diff --git a/lib/kernel/test/application_SUITE_data/deadlock/deadlock.erl b/lib/kernel/test/application_SUITE_data/deadlock/deadlock.erl index 5f68bf9078..3ef6105371 100644 --- a/lib/kernel/test/application_SUITE_data/deadlock/deadlock.erl +++ b/lib/kernel/test/application_SUITE_data/deadlock/deadlock.erl @@ -21,7 +21,7 @@ init([sup]) -> {ok, {{one_for_one, 5, 10}, [ { sasl_syslog_dm, {?MODULE, start_link, []}, - permanent, brutal_kill, worker, + permanent, 25000, worker, [deadlock] } ]}}; @@ -32,6 +32,8 @@ init([sup]) -> init([child]) -> case application:get_env(deadlock, fail_start) of {ok, false} -> + process_flag(trap_exit, true), + io:format("~p: Traps exit~n",[?MODULE]), %% we must not fail on the first init, otherwise supervisor %% terminates immediately {ok, []}; @@ -50,6 +52,14 @@ handle_info(_Msg, State) -> {noreply, State}. terminate(_Reason, _State) -> + case application:get_env(deadlock, fail_stop) of + {ok, false} -> ok; + {ok, Tester} -> + Tester ! {deadlock, self()}, + io:format("~p: Waiting in terminate (~p)~n",[?MODULE,Tester]), + receive continue -> ok end + end, + io:format("~p: terminates~n", [?MODULE]), ok. code_change(_OldVsn, State, _Extra) -> diff --git a/lib/kernel/test/code_SUITE.erl b/lib/kernel/test/code_SUITE.erl index cd9359f2aa..42b81d16b3 100644 --- a/lib/kernel/test/code_SUITE.erl +++ b/lib/kernel/test/code_SUITE.erl @@ -23,7 +23,8 @@ -export([all/0, suite/0,groups/0,init_per_group/2,end_per_group/2]). -export([set_path/1, get_path/1, add_path/1, add_paths/1, del_path/1, replace_path/1, load_file/1, load_abs/1, ensure_loaded/1, - delete/1, purge/1, soft_purge/1, is_loaded/1, all_loaded/1, + delete/1, purge/1, purge_many_exits/1, soft_purge/1, is_loaded/1, + all_loaded/1, load_binary/1, dir_req/1, object_code/1, set_path_file/1, upgrade/1, sticky_dir/1, pa_pz_option/1, add_del_path/1, @@ -51,7 +52,7 @@ suite() -> [{ct_hooks,[ts_install_cth]}]. all() -> [set_path, get_path, add_path, add_paths, del_path, replace_path, load_file, load_abs, ensure_loaded, - delete, purge, soft_purge, is_loaded, all_loaded, + delete, purge, purge_many_exits, soft_purge, is_loaded, all_loaded, load_binary, dir_req, object_code, set_path_file, upgrade, pa_pz_option, add_del_path, dir_disappeared, @@ -369,6 +370,42 @@ purge(Config) when is_list(Config) -> process_flag(trap_exit, OldFlag), ok. +purge_many_exits(Config) when is_list(Config) -> + OldFlag = process_flag(trap_exit, true), + code:purge(code_b_test), + {'EXIT',_} = (catch code:purge({})), + false = code:purge(code_b_test), + TPids = lists:map(fun (_) -> + {code_b_test:do_spawn(), + spawn_link(fun () -> + receive + after infinity -> ok + end + end)} + end, + lists:seq(1, 1000)), + % Give them time to start... + receive after 1000 -> ok end, + true = code:delete(code_b_test), + lists:foreach(fun ({Pid1, Pid2}) -> + true = erlang:is_process_alive(Pid1), + false = code_b_test:check_exit(Pid1), + true = erlang:is_process_alive(Pid2) + end, TPids), + true = code:purge(code_b_test), + lists:foreach(fun ({Pid1, Pid2}) -> + false = erlang:is_process_alive(Pid1), + true = code_b_test:check_exit(Pid1), + true = erlang:is_process_alive(Pid2), + exit(Pid2, kill) + end, TPids), + lists:foreach(fun ({_Pid1, Pid2}) -> + receive {'EXIT', Pid2, _} -> ok end + end, TPids), + process_flag(trap_exit, OldFlag), + ok. + + soft_purge(suite) -> []; soft_purge(doc) -> []; soft_purge(Config) when is_list(Config) -> @@ -616,7 +653,7 @@ clash(Config) when is_list(Config) -> DDir = ?config(data_dir,Config)++"clash/", P = code:get_path(), [TestServerPath|_] = [Path || Path <- code:get_path(), - re:run(Path,"test_server/?$",[]) /= nomatch], + re:run(Path,"test_server/?$",[unicode]) /= nomatch], %% test non-clashing entries @@ -1490,7 +1527,10 @@ create_big_script(Config,Local) -> Leftover <- UnloadFix, lists:keymember(Leftover,1,InitialApplications) ], %% Now we should have only "real" applications... - [application:load(list_to_atom(Y)) || {match,[Y]} <- [ re:run(X,code:lib_dir()++"/"++"([^/-]*).*/ebin",[{capture,[1],list}]) || X <- code:get_path()],filter_app(Y,Local)], + [application:load(list_to_atom(Y)) + || {match,[Y]} <- [re:run(X,code:lib_dir()++"/"++"([^/-]*).*/ebin", + [{capture,[1],list},unicode]) || + X <- code:get_path()],filter_app(Y,Local)], Apps = [ {N,V} || {N,_,V} <- application:loaded_applications()], {ok,Fd} = file:open(Name ++ ".rel", [write]), io:format(Fd, diff --git a/lib/kernel/test/file_SUITE.erl b/lib/kernel/test/file_SUITE.erl index e4c8f0ffaf..c75639ae7e 100644 --- a/lib/kernel/test/file_SUITE.erl +++ b/lib/kernel/test/file_SUITE.erl @@ -805,6 +805,20 @@ new_modes(Config) when is_list(Config) -> ?line {ok, [$\[]} = ?FILE_MODULE:read(Fd6, 1), ?line ok = ?FILE_MODULE:close(Fd6), + %% write and sync + case ?FILE_MODULE:open(Name1, [write, sync]) of + {ok, Fd7} -> + ok = io:write(Fd7, Marker), + ok = io:put_chars(Fd7, ".\n"), + ok = ?FILE_MODULE:close(Fd7), + {ok, Fd8} = ?FILE_MODULE:open(Name1, [read]), + {ok, Marker} = io:read(Fd8, prompt), + ok = ?FILE_MODULE:close(Fd8); + {error, enotsup} -> + %% for platforms that don't support the sync option + ok + end, + ?line [] = flush(), ?line test_server:timetrap_cancel(Dog), ok. diff --git a/lib/kernel/test/file_name_SUITE.erl b/lib/kernel/test/file_name_SUITE.erl index 0c8082026a..9354af2e41 100644 --- a/lib/kernel/test/file_name_SUITE.erl +++ b/lib/kernel/test/file_name_SUITE.erl @@ -1,5 +1,4 @@ -module(file_name_SUITE). -%% -*- coding: utf-8 -*- %% %% %CopyrightBegin% %% diff --git a/lib/kernel/test/gen_sctp_SUITE.erl b/lib/kernel/test/gen_sctp_SUITE.erl index d2de96b269..881aaed429 100644 --- a/lib/kernel/test/gen_sctp_SUITE.erl +++ b/lib/kernel/test/gen_sctp_SUITE.erl @@ -35,8 +35,9 @@ open_unihoming_ipv6_socket/1, open_multihoming_ipv6_socket/1, open_multihoming_ipv4_and_ipv6_socket/1, - basic_stream/1, xfer_stream_min/1, peeloff_active_once/1, - peeloff_active_true/1, buffers/1, + basic_stream/1, xfer_stream_min/1, active_n/1, + peeloff_active_once/1, peeloff_active_true/1, peeloff_active_n/1, + buffers/1, names_unihoming_ipv4/1, names_unihoming_ipv6/1, names_multihoming_ipv4/1, names_multihoming_ipv6/1]). @@ -48,9 +49,9 @@ all() -> open_multihoming_ipv4_socket, open_unihoming_ipv6_socket, open_multihoming_ipv6_socket, - open_multihoming_ipv4_and_ipv6_socket, + open_multihoming_ipv4_and_ipv6_socket, active_n, basic_stream, xfer_stream_min, peeloff_active_once, - peeloff_active_true, buffers, + peeloff_active_true, peeloff_active_n, buffers, names_unihoming_ipv4, names_unihoming_ipv6, names_multihoming_ipv4, names_multihoming_ipv6]. @@ -785,6 +786,106 @@ implicit_inet6(S1, Addr) -> end, ?line ok = gen_sctp:close(S2). +active_n(doc) -> + "Verify {active,N} socket management"; +active_n(suite) -> + []; +active_n(Config) when is_list(Config) -> + N = 3, + S1 = ok(gen_sctp:open([{active,N}])), + [{active,N}] = ok(inet:getopts(S1, [active])), + ok = inet:setopts(S1, [{active,-N}]), + receive + {sctp_passive, S1} -> ok + after + 5000 -> + exit({error,sctp_passive_failure}) + end, + [{active,false}] = ok(inet:getopts(S1, [active])), + ok = inet:setopts(S1, [{active,0}]), + receive + {sctp_passive, S1} -> ok + after + 5000 -> + exit({error,sctp_passive_failure}) + end, + ok = inet:setopts(S1, [{active,32767}]), + {error,einval} = inet:setopts(S1, [{active,1}]), + {error,einval} = inet:setopts(S1, [{active,-32769}]), + ok = inet:setopts(S1, [{active,-32768}]), + receive + {sctp_passive, S1} -> ok + after + 5000 -> + exit({error,sctp_passive_failure}) + end, + [{active,false}] = ok(inet:getopts(S1, [active])), + ok = inet:setopts(S1, [{active,N}]), + ok = inet:setopts(S1, [{active,true}]), + [{active,true}] = ok(inet:getopts(S1, [active])), + receive + _ -> exit({error,active_n}) + after + 0 -> + ok + end, + ok = inet:setopts(S1, [{active,N}]), + ok = inet:setopts(S1, [{active,once}]), + [{active,once}] = ok(inet:getopts(S1, [active])), + receive + _ -> exit({error,active_n}) + after + 0 -> + ok + end, + {error,einval} = inet:setopts(S1, [{active,32768}]), + ok = inet:setopts(S1, [{active,false}]), + [{active,false}] = ok(inet:getopts(S1, [active])), + ok = gen_sctp:listen(S1, true), + S1Port = ok(inet:port(S1)), + S2 = ok(gen_sctp:open(0, [{active,false}])), + Assoc = ok(gen_sctp:connect(S2, "localhost", S1Port, [])), + ok = inet:setopts(S1, [{active,N}]), + [{active,N}] = ok(inet:getopts(S1, [active])), + LoopFun = fun(Count, Count, _Fn) -> + receive + {sctp_passive,S1} -> + ok + after + 5000 -> + exit({error,timeout}) + end; + (I, Count, Fn) -> + Msg = list_to_binary("message "++integer_to_list(I)), + ok = gen_sctp:send(S2, Assoc, 0, Msg), + receive + {sctp,S1,_,_,{[SR],Msg}} when is_record(SR, sctp_sndrcvinfo) -> + Fn(I+1, Count, Fn); + {sctp,S1,_,_,_} -> + %% ignore non-data messages + ok = inet:setopts(S1, [{active,1}]), + Fn(I, Count, Fn); + Other -> + exit({unexpected, Other}) + after + 5000 -> + exit({error,timeout}) + end + end, + ok = LoopFun(1, N, LoopFun), + S3 = ok(gen_sctp:open([{active,0}])), + receive + {sctp_passive,S3} -> + [{active,false}] = ok(inet:getopts(S3, [active])) + after + 5000 -> + exit({error,udp_passive}) + end, + ok = gen_sctp:close(S3), + ok = gen_sctp:close(S2), + ok = gen_sctp:close(S1), + ok. + basic_stream(doc) -> "Hello world stream socket"; basic_stream(suite) -> @@ -972,6 +1073,14 @@ peeloff_active_true(suite) -> peeloff_active_true(Config) -> peeloff(Config, [{active,true}]). +peeloff_active_n(doc) -> + "Peel off an SCTP stream socket ({active,N})"; +peeloff_active_n(suite) -> + []; + +peeloff_active_n(Config) -> + peeloff(Config, [{active,1}]). + peeloff(Config, SockOpts) when is_list(Config) -> ?line Addr = {127,0,0,1}, ?line Stream = 0, @@ -1656,7 +1765,13 @@ s_loop(Socket, Timeout, Parent, Handler, State) -> end. again(Socket) -> - inet:setopts(Socket, [{active,once}]). + receive + {sctp_passive,Socket} -> + [{active, false}] = ok(inet:getopts(Socket, [active])), + ok = inet:setopts(Socket,[{active,1}]) + after 0 -> + ok = inet:setopts(Socket, [{active,once}]) + end. gb_push(Key, Val, GBT) -> case gb_trees:lookup(Key, GBT) of diff --git a/lib/kernel/test/gen_tcp_misc_SUITE.erl b/lib/kernel/test/gen_tcp_misc_SUITE.erl index ee271fbdfa..ee8bfcceb1 100644 --- a/lib/kernel/test/gen_tcp_misc_SUITE.erl +++ b/lib/kernel/test/gen_tcp_misc_SUITE.erl @@ -25,7 +25,7 @@ -export([all/0, suite/0,groups/0,init_per_suite/1, end_per_suite/1, init_per_group/2,end_per_group/2, controlling_process/1, controlling_process_self/1, - no_accept/1, close_with_pending_output/1, + no_accept/1, close_with_pending_output/1, active_n/1, data_before_close/1, iter_max_socks/1, get_status/1, passive_sockets/1, accept_closed_by_other_process/1, init_per_testcase/2, end_per_testcase/2, @@ -70,7 +70,7 @@ suite() -> [{ct_hooks,[ts_install_cth]}]. all() -> [controlling_process, controlling_process_self, no_accept, close_with_pending_output, data_before_close, - iter_max_socks, passive_sockets, + iter_max_socks, passive_sockets, active_n, accept_closed_by_other_process, otp_3924, closed_socket, shutdown_active, shutdown_passive, shutdown_pending, default_options, http_bad_packet, busy_send, @@ -407,6 +407,114 @@ send_loop(Sock, Data, Left) -> ok = gen_tcp:send(Sock, Data), send_loop(Sock, Data, Left-1). +%% Test {active,N} option +active_n(doc) -> + ["Verify operation of the {active,N} option."]; +active_n(suite) -> []; +active_n(Config) when is_list(Config) -> + N = 3, + LS = ok(gen_tcp:listen(0, [{active,N}])), + [{active,N}] = ok(inet:getopts(LS, [active])), + ok = inet:setopts(LS, [{active,-N}]), + receive + {tcp_passive, LS} -> ok + after + 5000 -> + exit({error,tcp_passive_failure}) + end, + [{active,false}] = ok(inet:getopts(LS, [active])), + ok = inet:setopts(LS, [{active,0}]), + receive + {tcp_passive, LS} -> ok + after + 5000 -> + exit({error,tcp_passive_failure}) + end, + ok = inet:setopts(LS, [{active,32767}]), + {error,einval} = inet:setopts(LS, [{active,1}]), + {error,einval} = inet:setopts(LS, [{active,-32769}]), + ok = inet:setopts(LS, [{active,-32768}]), + receive + {tcp_passive, LS} -> ok + after + 5000 -> + exit({error,tcp_passive_failure}) + end, + [{active,false}] = ok(inet:getopts(LS, [active])), + ok = inet:setopts(LS, [{active,N}]), + ok = inet:setopts(LS, [{active,true}]), + [{active,true}] = ok(inet:getopts(LS, [active])), + receive + _ -> exit({error,active_n}) + after + 0 -> + ok + end, + ok = inet:setopts(LS, [{active,N}]), + ok = inet:setopts(LS, [{active,once}]), + [{active,once}] = ok(inet:getopts(LS, [active])), + receive + _ -> exit({error,active_n}) + after + 0 -> + ok + end, + {error,einval} = inet:setopts(LS, [{active,32768}]), + ok = inet:setopts(LS, [{active,false}]), + [{active,false}] = ok(inet:getopts(LS, [active])), + Port = ok(inet:port(LS)), + C = ok(gen_tcp:connect("localhost", Port, [{active,N}])), + [{active,N}] = ok(inet:getopts(C, [active])), + S = ok(gen_tcp:accept(LS)), + ok = inet:setopts(S, [{active,N}]), + [{active,N}] = ok(inet:getopts(S, [active])), + repeat(3, + fun(I) -> + Msg = "message "++integer_to_list(I), + ok = gen_tcp:send(C, Msg), + receive + {tcp,S,Msg} -> + ok = gen_tcp:send(S, Msg) + after + 5000 -> + exit({error,timeout}) + end, + receive + {tcp,C,Msg} -> + ok + after + 5000 -> + exit({error,timeout}) + end + end), + receive + {tcp_passive,S} -> + [{active,false}] = ok(inet:getopts(S, [active])) + after + 5000 -> + exit({error,tcp_passive}) + end, + receive + {tcp_passive,C} -> + [{active,false}] = ok(inet:getopts(C, [active])) + after + 5000 -> + exit({error,tcp_passive}) + end, + LS2 = ok(gen_tcp:listen(0, [{active,0}])), + receive + {tcp_passive,LS2} -> + [{active,false}] = ok(inet:getopts(LS2, [active])) + after + 5000 -> + exit({error,tcp_passive}) + end, + ok = gen_tcp:close(LS2), + ok = gen_tcp:close(C), + ok = gen_tcp:close(S), + ok = gen_tcp:close(LS), + ok. + -define(OTP_3924_MAX_DELAY, 100). %% Taken out of the blue, but on intra host connections %% I expect propagation of a close to be quite fast @@ -2659,3 +2767,5 @@ oct_aloop(S,X,Times) -> gen_tcp:close(S), closed end. + +ok({ok,V}) -> V. diff --git a/lib/kernel/test/gen_udp_SUITE.erl b/lib/kernel/test/gen_udp_SUITE.erl index cd768813cf..6bb41999c5 100644 --- a/lib/kernel/test/gen_udp_SUITE.erl +++ b/lib/kernel/test/gen_udp_SUITE.erl @@ -1,8 +1,7 @@ -%% -*- coding: utf-8 -*- %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1998-2012. All Rights Reserved. +%% Copyright Ericsson AB 1998-2013. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -34,7 +33,7 @@ init_per_group/2,end_per_group/2]). -export([init_per_testcase/2, end_per_testcase/2]). --export([send_to_closed/1, +-export([send_to_closed/1, active_n/1, buffer_size/1, binary_passive_recv/1, bad_address/1, read_packets/1, open_fd/1, connect/1, implicit_inet6/1]). @@ -43,7 +42,7 @@ suite() -> [{ct_hooks,[ts_install_cth]}]. all() -> [send_to_closed, buffer_size, binary_passive_recv, bad_address, read_packets, open_fd, connect, - implicit_inet6]. + implicit_inet6, active_n]. groups() -> []. @@ -466,6 +465,108 @@ open_fd(Config) when is_list(Config) -> ?t:fail(io_lib:format("~w", [flush()])) end. +active_n(Config) when is_list(Config) -> + N = 3, + S1 = ok(gen_udp:open(0, [{active,N}])), + [{active,N}] = ok(inet:getopts(S1, [active])), + ok = inet:setopts(S1, [{active,-N}]), + receive + {udp_passive, S1} -> ok + after + 5000 -> + exit({error,udp_passive_failure}) + end, + [{active,false}] = ok(inet:getopts(S1, [active])), + ok = inet:setopts(S1, [{active,0}]), + receive + {udp_passive, S1} -> ok + after + 5000 -> + exit({error,udp_passive_failure}) + end, + ok = inet:setopts(S1, [{active,32767}]), + {error,einval} = inet:setopts(S1, [{active,1}]), + {error,einval} = inet:setopts(S1, [{active,-32769}]), + ok = inet:setopts(S1, [{active,-32768}]), + receive + {udp_passive, S1} -> ok + after + 5000 -> + exit({error,udp_passive_failure}) + end, + [{active,false}] = ok(inet:getopts(S1, [active])), + ok = inet:setopts(S1, [{active,N}]), + ok = inet:setopts(S1, [{active,true}]), + [{active,true}] = ok(inet:getopts(S1, [active])), + receive + _ -> exit({error,active_n}) + after + 0 -> + ok + end, + ok = inet:setopts(S1, [{active,N}]), + ok = inet:setopts(S1, [{active,once}]), + [{active,once}] = ok(inet:getopts(S1, [active])), + receive + _ -> exit({error,active_n}) + after + 0 -> + ok + end, + {error,einval} = inet:setopts(S1, [{active,32768}]), + ok = inet:setopts(S1, [{active,false}]), + [{active,false}] = ok(inet:getopts(S1, [active])), + S1Port = ok(inet:port(S1)), + S2 = ok(gen_udp:open(0, [{active,N}])), + S2Port = ok(inet:port(S2)), + [{active,N}] = ok(inet:getopts(S2, [active])), + ok = inet:setopts(S1, [{active,N}]), + [{active,N}] = ok(inet:getopts(S1, [active])), + lists:foreach( + fun(I) -> + Msg = "message "++integer_to_list(I), + ok = gen_udp:send(S2, "localhost", S1Port, Msg), + receive + {udp,S1,_,S2Port,Msg} -> + ok = gen_udp:send(S1, "localhost", S2Port, Msg) + after + 5000 -> + exit({error,timeout}) + end, + receive + {udp,S2,_,S1Port,Msg} -> + ok + after + 5000 -> + exit({error,timeout}) + end + end, lists:seq(1,N)), + receive + {udp_passive,S1} -> + [{active,false}] = ok(inet:getopts(S1, [active])) + after + 5000 -> + exit({error,udp_passive}) + end, + receive + {udp_passive,S2} -> + [{active,false}] = ok(inet:getopts(S2, [active])) + after + 5000 -> + exit({error,udp_passive}) + end, + S3 = ok(gen_udp:open(0, [{active,0}])), + receive + {udp_passive,S3} -> + [{active,false}] = ok(inet:getopts(S3, [active])) + after + 5000 -> + exit({error,udp_passive}) + end, + ok = gen_udp:close(S3), + ok = gen_udp:close(S2), + ok = gen_udp:close(S1), + ok. % % Utils diff --git a/lib/kernel/test/global_SUITE_data/global_trace.erl b/lib/kernel/test/global_SUITE_data/global_trace.erl index 00bacf8f54..1396d86c79 100644 --- a/lib/kernel/test/global_SUITE_data/global_trace.erl +++ b/lib/kernel/test/global_SUITE_data/global_trace.erl @@ -1,4 +1,3 @@ -%% -*- coding: utf-8 -*- %% %% %CopyrightBegin% %% diff --git a/lib/kernel/test/kernel_SUITE.erl b/lib/kernel/test/kernel_SUITE.erl index 0f29d895e5..78f5e93fc3 100644 --- a/lib/kernel/test/kernel_SUITE.erl +++ b/lib/kernel/test/kernel_SUITE.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1997-2011. All Rights Reserved. +%% Copyright Ericsson AB 1997-2014. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -23,9 +23,6 @@ -include_lib("test_server/include/test_server.hrl"). -% Default timetrap timeout (set in init_per_testcase). --define(default_timeout, ?t:minutes(1)). - % Test server specific exports -export([all/0, suite/0,groups/0,init_per_suite/1, end_per_suite/1, init_per_group/2,end_per_group/2]). @@ -59,11 +56,8 @@ end_per_group(_GroupName, Config) -> init_per_testcase(_Case, Config) -> - ?line Dog=test_server:timetrap(?default_timeout), - [{watchdog, Dog}|Config]. -end_per_testcase(_Case, Config) -> - Dog=?config(watchdog, Config), - test_server:timetrap_cancel(Dog), + Config. +end_per_testcase(_Case, _Config) -> ok. % @@ -78,56 +72,80 @@ app_test(Config) when is_list(Config) -> ok. -%% Test that appup allows upgrade from/downgrade to a maximum of two -%% major releases back. +%% Test that appup allows upgrade from/downgrade to a maximum of one +%% major release back. appup_test(_Config) -> - application:load(kernel), - {_,_,Vsn} = lists:keyfind(kernel,1,application:loaded_applications()), - AppupFile = filename:join([code:lib_dir(kernel),ebin,"kernel.appup"]), + appup_tests(kernel,create_test_vsns(kernel)). + +appup_tests(_App,{[],[]}) -> + {skip,"no previous releases available"}; +appup_tests(App,{OkVsns,NokVsns}) -> + application:load(App), + {_,_,Vsn} = lists:keyfind(App,1,application:loaded_applications()), + AppupFileName = atom_to_list(App) ++ ".appup", + AppupFile = filename:join([code:lib_dir(App),ebin,AppupFileName]), {ok,[{Vsn,UpFrom,DownTo}=AppupScript]} = file:consult(AppupFile), ct:log("~p~n",[AppupScript]), - {OkVsns,NokVsns} = create_test_vsns(Vsn), + ct:log("Testing ok versions: ~p~n",[OkVsns]), check_appup(OkVsns,UpFrom,{ok,[restart_new_emulator]}), check_appup(OkVsns,DownTo,{ok,[restart_new_emulator]}), + ct:log("Testing not ok versions: ~p~n",[NokVsns]), check_appup(NokVsns,UpFrom,error), check_appup(NokVsns,DownTo,error), ok. -create_test_vsns(Current) -> - [XStr,YStr|Rest] = string:tokens(Current,"."), - X = list_to_integer(XStr), - Y = list_to_integer(YStr), - SecondMajor = vsn(X,Y-2), - SecondMinor = SecondMajor ++ ".1.3", - FirstMajor = vsn(X,Y-1), - FirstMinor = FirstMajor ++ ".57", - ThisMajor = vsn(X,Y), - This = - case Rest of - [] -> - []; - ["1"] -> - [ThisMajor]; - _ -> - ThisMinor = ThisMajor ++ ".1", - [ThisMajor,ThisMinor] +create_test_vsns(App) -> + This = erlang:system_info(otp_release), + FirstMajor = previous_major(This), + SecondMajor = previous_major(FirstMajor), + Ok = app_vsn(App,[FirstMajor]), + Nok0 = app_vsn(App,[SecondMajor]), + Nok = case Ok of + [Ok1|_] -> + [Ok1 ++ ",1" | Nok0]; % illegal + _ -> + Nok0 + end, + {Ok,Nok}. + +previous_major("17") -> + "r16"; +previous_major("r"++Rel) -> + "r"++previous_major(Rel); +previous_major(Rel) -> + integer_to_list(list_to_integer(Rel)-1). + +app_vsn(App,[R|Rs]) -> + OldRel = + case test_server:is_release_available(R) of + true -> + {release,R}; + false -> + case ct:get_config({otp_releases,list_to_atom(R)}) of + undefined -> + false; + Prog0 -> + case os:find_executable(Prog0) of + false -> + false; + Prog -> + {prog,Prog} + end + end end, - OkVsns = This ++ [FirstMajor, FirstMinor, SecondMajor, SecondMinor], - - ThirdMajor = vsn(X,Y-3), - ThirdMinor = ThirdMajor ++ ".10.12", - Illegal = ThisMajor ++ ",1", - Newer1Major = vsn(X,Y+1), - Newer1Minor = Newer1Major ++ ".1", - Newer2Major = ThisMajor ++ "1", - NokVsns = [ThirdMajor,ThirdMinor, - Illegal, - Newer1Major,Newer1Minor, - Newer2Major], - {OkVsns,NokVsns}. - -vsn(X,Y) -> - integer_to_list(X) ++ "." ++ integer_to_list(Y). + case OldRel of + false -> + app_vsn(App,Rs); + _ -> + {ok,N} = test_server:start_node(prevrel,peer,[{erl,[OldRel]}]), + _ = rpc:call(N,application,load,[App]), + As = rpc:call(N,application,loaded_applications,[]), + {_,_,V} = lists:keyfind(App,1,As), + test_server:stop_node(N), + [V|app_vsn(App,Rs)] + end; +app_vsn(_App,[]) -> + []. check_appup([Vsn|Vsns],Instrs,Expected) -> case systools_relup:appup_search_for_version(Vsn, Instrs) of diff --git a/lib/kernel/test/os_SUITE.erl b/lib/kernel/test/os_SUITE.erl index 73ed704ae3..9b474c4cdf 100644 --- a/lib/kernel/test/os_SUITE.erl +++ b/lib/kernel/test/os_SUITE.erl @@ -20,7 +20,7 @@ -export([all/0, suite/0,groups/0,init_per_suite/1, end_per_suite/1, init_per_group/2,end_per_group/2]). --export([space_in_cwd/1, quoting/1, space_in_name/1, bad_command/1, +-export([space_in_cwd/1, quoting/1, cmd_unicode/1, space_in_name/1, bad_command/1, find_executable/1, unix_comment_in_command/1, deep_list_command/1, evil/1]). -include_lib("test_server/include/test_server.hrl"). @@ -28,9 +28,8 @@ suite() -> [{ct_hooks,[ts_install_cth]}]. all() -> - [space_in_cwd, quoting, space_in_name, bad_command, - find_executable, unix_comment_in_command, deep_list_command, - evil]. + [space_in_cwd, quoting, cmd_unicode, space_in_name, bad_command, + find_executable, unix_comment_in_command, deep_list_command, evil]. groups() -> []. @@ -95,6 +94,21 @@ quoting(Config) when is_list(Config) -> ?line [] = receive_all(), ok. + +cmd_unicode(doc) -> "Test that unicode arguments work."; +cmd_unicode(suite) -> []; +cmd_unicode(Config) when is_list(Config) -> + ?line DataDir = ?config(data_dir, Config), + ?line Echo = filename:join(DataDir, "my_echo"), + + ?line comp("one", os:cmd(Echo ++ " one")), + ?line comp("one::two", os:cmd(Echo ++ " one two")), + ?line comp("åäö::ϼΩ", os:cmd(Echo ++ " åäö " ++ [1020, 937])), + ?t:sleep(5), + ?line [] = receive_all(), + ok. + + space_in_name(doc) -> "Test that program with a space in its name can be executed."; space_in_name(suite) -> []; @@ -302,8 +316,8 @@ comp(Expected, Got) -> Expected -> ok; Other -> - ok = io:format("Expected: ~s\n", [Expected]), - ok = io:format("Got: ~s\n", [Other]), + ok = io:format("Expected: ~ts\n", [Expected]), + ok = io:format("Got: ~ts\n", [Other]), test_server:fail() end. diff --git a/lib/kernel/test/os_SUITE_data/my_echo.c b/lib/kernel/test/os_SUITE_data/my_echo.c index 2127511dd1..712c828bb5 100644 --- a/lib/kernel/test/os_SUITE_data/my_echo.c +++ b/lib/kernel/test/os_SUITE_data/my_echo.c @@ -1,3 +1,30 @@ +#ifdef __WIN32__ +#include <windows.h> + +int wmain(int argc, wchar_t **argv) +{ + char* sep = ""; + int len; + + /* + * Echo all arguments separated with '::', so that we can check that + * quotes are interpreted correctly. + */ + + while (argc-- > 1) { + char *utf8; + len = WideCharToMultiByte(CP_UTF8, 0, argv[1], -1, NULL, 0, NULL, NULL); + utf8 = malloc(len*sizeof(char)); + WideCharToMultiByte(CP_UTF8, 0, argv++[1], -1, utf8, len, NULL, NULL); + printf("%s%s", sep, utf8); + free(utf8); + sep = "::"; + } + putchar('\n'); + return 0; +} +#else + #include <stdio.h> int @@ -17,3 +44,4 @@ main(int argc, char** argv) putchar('\n'); return 0; } +#endif diff --git a/lib/kernel/test/ram_file_SUITE.erl b/lib/kernel/test/ram_file_SUITE.erl index 5c4437d4d3..615251a257 100644 --- a/lib/kernel/test/ram_file_SUITE.erl +++ b/lib/kernel/test/ram_file_SUITE.erl @@ -1,8 +1,7 @@ -%% -*- coding: utf-8 -*- %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2001-2012. All Rights Reserved. +%% Copyright Ericsson AB 2001-2013. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in diff --git a/lib/kernel/test/sendfile_SUITE.erl b/lib/kernel/test/sendfile_SUITE.erl index 4cf4c6489d..2c741232c4 100644 --- a/lib/kernel/test/sendfile_SUITE.erl +++ b/lib/kernel/test/sendfile_SUITE.erl @@ -24,7 +24,14 @@ -compile(export_all). -all() -> +all() -> [{group,async_threads}, + {group,no_async_threads}]. + +groups() -> + [{async_threads,[],tcs()}, + {no_async_threads,[],tcs()}]. + +tcs() -> [t_sendfile_small ,t_sendfile_big_all ,t_sendfile_big_size @@ -33,6 +40,7 @@ all() -> ,t_sendfile_offset ,t_sendfile_sendafter ,t_sendfile_recvafter + ,t_sendfile_recvafter_remoteclose ,t_sendfile_sendduring ,t_sendfile_recvduring ,t_sendfile_closeduring @@ -63,6 +71,14 @@ init_per_suite(Config) -> end_per_suite(Config) -> file:delete(proplists:get_value(big_file, Config)). +init_per_group(async_threads,Config) -> + [{sendfile_opts,[{use_threads,true}]}|Config]; +init_per_group(no_async_threads,Config) -> + [{sendfile_opts,[{use_threads,false}]}|Config]. + +end_per_group(_,_Config) -> + ok. + init_per_testcase(TC,Config) when TC == t_sendfile_recvduring; TC == t_sendfile_sendduring -> Filename = proplists:get_value(small_file, Config), @@ -71,7 +87,7 @@ init_per_testcase(TC,Config) when TC == t_sendfile_recvduring; {_Size, Data} = sendfile_file_info(Filename), {ok,D} = file:open(Filename, [raw,binary,read]), prim_file:sendfile(D, Sock, 0, 0, 0, - [],[],false,false,false), + [],[],[]), Data end, @@ -92,6 +108,7 @@ t_sendfile_small(Config) when is_list(Config) -> Send = fun(Sock) -> {Size, Data} = sendfile_file_info(Filename), + %% Here we make sure to test the sendfile/2 api {ok, Size} = file:sendfile(Filename, Sock), Data end, @@ -101,6 +118,7 @@ t_sendfile_small(Config) when is_list(Config) -> t_sendfile_many_small(Config) when is_list(Config) -> Filename = proplists:get_value(small_file, Config), FileOpts = proplists:get_value(file_opts, Config, []), + SendfileOpts = proplists:get_value(sendfile_opts, Config), error_logger:add_report_handler(?MODULE,[self()]), @@ -109,7 +127,7 @@ t_sendfile_many_small(Config) when is_list(Config) -> N = 10000, {ok,D} = file:open(Filename,[read|FileOpts]), [begin - {ok,Size} = file:sendfile(D,Sock,0,0,[]) + {ok,Size} = file:sendfile(D,Sock,0,0,SendfileOpts) end || _I <- lists:seq(1,N)], file:close(D), Size*N @@ -127,11 +145,12 @@ t_sendfile_many_small(Config) when is_list(Config) -> t_sendfile_big_all(Config) when is_list(Config) -> Filename = proplists:get_value(big_file, Config), + SendfileOpts = proplists:get_value(sendfile_opts, Config), Send = fun(Sock) -> {ok, #file_info{size = Size}} = file:read_file_info(Filename), - {ok, Size} = file:sendfile(Filename, Sock), + {ok, Size} = sendfile(Filename, Sock, SendfileOpts), Size end, @@ -140,12 +159,13 @@ t_sendfile_big_all(Config) when is_list(Config) -> t_sendfile_big_size(Config) -> Filename = proplists:get_value(big_file, Config), FileOpts = proplists:get_value(file_opts, Config, []), + SendfileOpts = proplists:get_value(sendfile_opts, Config), SendAll = fun(Sock) -> {ok, #file_info{size = Size}} = file:read_file_info(Filename), {ok,D} = file:open(Filename,[read|FileOpts]), - {ok, Size} = file:sendfile(D, Sock,0,Size,[]), + {ok, Size} = file:sendfile(D, Sock,0,Size,SendfileOpts), Size end, @@ -154,12 +174,13 @@ t_sendfile_big_size(Config) -> t_sendfile_partial(Config) -> Filename = proplists:get_value(small_file, Config), FileOpts = proplists:get_value(file_opts, Config, []), + SendfileOpts = proplists:get_value(sendfile_opts, Config), SendSingle = fun(Sock) -> {_Size, <<Data:5/binary,_/binary>>} = sendfile_file_info(Filename), {ok,D} = file:open(Filename,[read|FileOpts]), - {ok,5} = file:sendfile(D,Sock,0,5,[]), + {ok,5} = file:sendfile(D,Sock,0,5,SendfileOpts), file:close(D), Data end, @@ -170,14 +191,14 @@ t_sendfile_partial(Config) -> {ok,D} = file:open(Filename,[read|FileOpts]), {ok, <<FData/binary>>} = file:read(D,5), FSend = fun(Sock) -> - {ok,5} = file:sendfile(D,Sock,0,5,[]), + {ok,5} = file:sendfile(D,Sock,0,5,SendfileOpts), FData end, ok = sendfile_send(FSend), SSend = fun(Sock) -> - {ok,3} = file:sendfile(D,Sock,5,3,[]), + {ok,3} = file:sendfile(D,Sock,5,3,SendfileOpts), SData end, @@ -190,12 +211,13 @@ t_sendfile_partial(Config) -> t_sendfile_offset(Config) -> Filename = proplists:get_value(small_file, Config), FileOpts = proplists:get_value(file_opts, Config, []), + SendfileOpts = proplists:get_value(sendfile_opts, Config), Send = fun(Sock) -> {_Size, <<_:5/binary,Data:3/binary,_/binary>> = AllData} = sendfile_file_info(Filename), {ok,D} = file:open(Filename,[read|FileOpts]), - {ok,3} = file:sendfile(D,Sock,5,3,[]), + {ok,3} = file:sendfile(D,Sock,5,3,SendfileOpts), {ok, AllData} = file:read(D,100), file:close(D), Data @@ -205,10 +227,11 @@ t_sendfile_offset(Config) -> t_sendfile_sendafter(Config) -> Filename = proplists:get_value(small_file, Config), + SendfileOpts = proplists:get_value(sendfile_opts, Config), Send = fun(Sock) -> {Size, Data} = sendfile_file_info(Filename), - {ok, Size} = file:sendfile(Filename, Sock), + {ok, Size} = sendfile(Filename, Sock, SendfileOpts), ok = gen_tcp:send(Sock, <<2>>), <<Data/binary,2>> end, @@ -217,10 +240,11 @@ t_sendfile_sendafter(Config) -> t_sendfile_recvafter(Config) -> Filename = proplists:get_value(small_file, Config), + SendfileOpts = proplists:get_value(sendfile_opts, Config), Send = fun(Sock) -> {Size, Data} = sendfile_file_info(Filename), - {ok, Size} = file:sendfile(Filename, Sock), + {ok, Size} = sendfile(Filename, Sock, SendfileOpts), ok = gen_tcp:send(Sock, <<1>>), {ok,<<1>>} = gen_tcp:recv(Sock, 1), <<Data/binary,1>> @@ -228,8 +252,28 @@ t_sendfile_recvafter(Config) -> ok = sendfile_send(Send). +%% This tests specifically for a bug fixed in 17.0 +t_sendfile_recvafter_remoteclose(Config) -> + Filename = proplists:get_value(small_file, Config), + + Send = fun(Sock, SFServer) -> + {Size, _Data} = sendfile_file_info(Filename), + {ok, Size} = file:sendfile(Filename, Sock), + + %% Make sure the remote end has been closed + SFServer ! stop, + timer:sleep(100), + + %% In the bug this returned {error,ebadf} + {error,closed} = gen_tcp:recv(Sock, 1), + -1 + end, + + ok = sendfile_send({127,0,0,1},Send,0). + t_sendfile_sendduring(Config) -> Filename = proplists:get_value(big_file, Config), + SendfileOpts = proplists:get_value(sendfile_opts, Config), Send = fun(Sock) -> {ok, #file_info{size = Size}} = @@ -238,7 +282,7 @@ t_sendfile_sendduring(Config) -> timer:sleep(50), ok = gen_tcp:send(Sock, <<2>>) end), - {ok, Size} = file:sendfile(Filename, Sock), + {ok, Size} = sendfile(Filename, Sock, SendfileOpts), Size+1 end, @@ -246,6 +290,7 @@ t_sendfile_sendduring(Config) -> t_sendfile_recvduring(Config) -> Filename = proplists:get_value(big_file, Config), + SendfileOpts = proplists:get_value(sendfile_opts, Config), Send = fun(Sock) -> {ok, #file_info{size = Size}} = @@ -255,7 +300,7 @@ t_sendfile_recvduring(Config) -> ok = gen_tcp:send(Sock, <<1>>), {ok,<<1>>} = gen_tcp:recv(Sock, 1) end), - {ok, Size} = file:sendfile(Filename, Sock), + {ok, Size} = sendfile(Filename, Sock, SendfileOpts), timer:sleep(1000), Size+1 end, @@ -264,6 +309,7 @@ t_sendfile_recvduring(Config) -> t_sendfile_closeduring(Config) -> Filename = proplists:get_value(big_file, Config), + SendfileOpts = proplists:get_value(sendfile_opts, Config), Send = fun(Sock,SFServPid) -> spawn_link(fun() -> @@ -272,13 +318,14 @@ t_sendfile_closeduring(Config) -> end), case erlang:system_info(thread_pool_size) of 0 -> - {error, closed} = file:sendfile(Filename, Sock); + {error, closed} = sendfile(Filename, Sock, + SendfileOpts); _Else -> %% This can return how much has been sent or %% {error,closed} depending on OS. %% How much is sent impossible to know as %% the socket was closed mid sendfile - case file:sendfile(Filename, Sock) of + case sendfile(Filename, Sock, SendfileOpts) of {error, closed} -> ok; {ok, Size} when is_integer(Size) -> @@ -292,6 +339,7 @@ t_sendfile_closeduring(Config) -> t_sendfile_crashduring(Config) -> Filename = proplists:get_value(big_file, Config), + SendfileOpts = proplists:get_value(sendfile_opts, Config), error_logger:add_report_handler(?MODULE,[self()]), @@ -300,7 +348,7 @@ t_sendfile_crashduring(Config) -> timer:sleep(50), exit(die) end), - {error, closed} = file:sendfile(Filename, Sock), + {error, closed} = sendfile(Filename, Sock, SendfileOpts), -1 end, process_flag(trap_exit,true), @@ -395,6 +443,16 @@ sendfile_file_info(File) -> {ok, Data} = file:read_file(File), {Size, Data}. +sendfile(Filename,Sock,Opts) -> + case file:open(Filename, [read, raw, binary]) of + {error, Reason} -> + {error, Reason}; + {ok, Fd} -> + Res = file:sendfile(Fd, Sock, 0, 0, Opts), + _ = file:close(Fd), + Res + end. + %% Error handler diff --git a/lib/kernel/test/zlib_SUITE.erl b/lib/kernel/test/zlib_SUITE.erl index e91f6f18d4..3be6f39d95 100644 --- a/lib/kernel/test/zlib_SUITE.erl +++ b/lib/kernel/test/zlib_SUITE.erl @@ -178,7 +178,7 @@ api_deflateInit(Config) when is_list(Config) -> ?m(ok,zlib:close(Z)) end, lists:seq(1,8)), - Strategies = [filtered,huffman_only,default], + Strategies = [filtered,huffman_only,rle,default], lists:foreach(fun(Strategy) -> ?line Z = zlib:open(), ?m(ok, zlib:deflateInit(Z,best_speed,deflated,-15,8,Strategy)), @@ -220,7 +220,6 @@ api_deflateParams(Config) when is_list(Config) -> ?m(_, zlib:deflate(Z1, <<1,1,1,1,1,1,1,1,1>>, none)), ?m(ok, zlib:deflateParams(Z1, best_compression, huffman_only)), ?m(_, zlib:deflate(Z1, <<1,1,1,1,1,1,1,1,1>>, sync)), - ?m({'EXIT',_}, zlib:deflateParams(Z1,best_speed, filtered)), ?m(ok, zlib:close(Z1)). api_deflate(doc) -> "Test deflate"; diff --git a/lib/kernel/vsn.mk b/lib/kernel/vsn.mk index 12fe0a7637..dd5316b825 100644 --- a/lib/kernel/vsn.mk +++ b/lib/kernel/vsn.mk @@ -1 +1 @@ -KERNEL_VSN = 2.16.4 +KERNEL_VSN = 3.0 |