diff options
Diffstat (limited to 'lib/kernel')
99 files changed, 1302 insertions, 477 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..29eaf348a9 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> 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..0a4dd3ba47 100644 --- a/lib/kernel/doc/src/file.xml +++ b/lib/kernel/doc/src/file.xml @@ -1,4 +1,4 @@ -<?xml version="1.0" encoding="latin1" ?> +<?xml version="1.0" encoding="utf-8" ?> <!DOCTYPE erlref SYSTEM "erlref.dtd"> <erlref> @@ -826,6 +826,16 @@ <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> 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_controller.erl b/lib/kernel/src/application_controller.erl index 9ed2c7a7d9..1a4473593a 100644 --- a/lib/kernel/src/application_controller.erl +++ b/lib/kernel/src/application_controller.erl @@ -488,7 +488,7 @@ 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 @@ -1949,10 +1949,10 @@ 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..68f78c6eb8 100644 --- a/lib/kernel/src/application_master.erl +++ b/lib/kernel/src/application_master.erl @@ -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}); @@ -418,4 +418,6 @@ 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..b5152018e0 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()). @@ -376,7 +377,7 @@ write_file(Name, Bin, ModeList) when is_list(ModeList) -> ok -> close(Handle); E1 -> - close(Handle), + _ = close(Handle), E1 end; E2 -> @@ -770,7 +771,7 @@ 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 +787,16 @@ 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 +965,7 @@ consult(File) -> case open(File, [read]) of {ok, Fd} -> R = consult_stream(Fd), - close(Fd), + _ = close(Fd), R; Error -> Error @@ -977,10 +985,10 @@ 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 +1013,7 @@ 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 +1043,10 @@ 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 +1073,7 @@ 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 +1106,10 @@ 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 -> @@ -1247,7 +1255,7 @@ sendfile(Filename, Sock) -> {error, Reason}; {ok, Fd} -> Res = sendfile(Fd, Sock, 0, 0, []), - file:close(Fd), + _ = file:close(Fd), Res end. @@ -1298,7 +1306,7 @@ 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..792593246a 100644 --- a/lib/kernel/src/inet.erl +++ b/lib/kernel/src/inet.erl @@ -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()) -> @@ -717,6 +717,9 @@ 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 +786,9 @@ 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 +843,9 @@ 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 +864,7 @@ 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 +926,9 @@ 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 +1507,7 @@ 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 +1518,7 @@ 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 +1561,12 @@ 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..b946c2d1af 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 1999-2013. 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 @@ -17,11 +17,11 @@ %% %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 + [{<<"3\\.0(\\.[0-9]+)*">>,[restart_new_emulator]}, %% R17 + {<<"2\\.16(\\.[0-9]+)*">>,[restart_new_emulator]}, %% R16 + {<<"2\\.15(\\.[0-9]+)*">>,[restart_new_emulator]}],%% R15 %% 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 + [{<<"3\\.0(\\.[0-9]+)*">>,[restart_new_emulator]}, %% R17 + {<<"2\\.16(\\.[0-9]+)*">>,[restart_new_emulator]}, %% R16 + {<<"2\\.15(\\.[0-9]+)*">>,[restart_new_emulator]}] %% R15 }. 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..7dc51495f7 100644 --- a/lib/kernel/src/rpc.erl +++ b/lib/kernel/src/rpc.erl @@ -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/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/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..24884bada5 100644 --- a/lib/kernel/test/sendfile_SUITE.erl +++ b/lib/kernel/test/sendfile_SUITE.erl @@ -33,6 +33,7 @@ all() -> ,t_sendfile_offset ,t_sendfile_sendafter ,t_sendfile_recvafter + ,t_sendfile_recvafter_remoteclose ,t_sendfile_sendduring ,t_sendfile_recvduring ,t_sendfile_closeduring @@ -228,6 +229,25 @@ 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), 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 |