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* nox/standard_error/OTP-12424:
Test standard_error
Properly handle broken input in standard_error
Fix io:getopts(standard_error)
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io:put_chars(standard_error, [oops]) could previously crash the
standard_error process.
Reported-by: Alexei Sholik
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* lemenkov/use_os_getenv_2:
fix missing include
Start using os:getenv/2 fun
Introduce os:getenv/2
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See #535
Signed-off-by: Peter Lemenkov <[email protected]>
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Signed-off-by: Peter Lemenkov <[email protected]>
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* raimo/netns-opt-gen_udp/OTP-12314:
Text netns option at socket open
Fix handling netns option in gen_udp
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Signed-off-by: Peter Lemenkov <[email protected]>
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* nox/read_file_info-raw/OTP-12325:
kernel: Do not check unsync:ed file size
Introduce new option 'raw' in file_info functions
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* maint:
kernel: Do not check unsync:ed file size
Introduce new option 'raw' in file_info functions
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* nox/read_file_info-raw/OTP-12325:
kernel: Do not check unsync:ed file size
Introduce new option 'raw' in file_info functions
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Bug found by Yaroslav Maslennikov and Andrei Pampukha.
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* nox/rm-raw_files/OTP-12276:
Remove untested option 'raw_files' from file module
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* lukas/erts/non-blocking-shell:
Fix io:columns/0 timeout when invoked via user
kernel,ssh: Add synchronous user_drv protocol
erts: Make writing to non-tty fds non-blocking
erts: Make tty driver non-blocking
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This patch fixes an issue where io:columns/0 times out when invoked from
any application callback (or any supervisor/supervised module since the
group leader is inherited).
To reproduce the issue, one must simply call io:columns() from any
application callback. You will notice the process will block for 2 seconds
which then times out and returns {:error, :enotsup}.
Note this bug only happens inside the erlang shell (using -noshell or
escripts do not trigger the bug).
To fix the bug, it is important to understand how io requests flow from
application callback processes. Here are the steps followed:
1. Since io:columns/1 is timing out, the first step is to find out who is the
group leader for the application callback process. Using process_info/1, we
can see the parent process is the application_master and handles
io_requests by delegating them to the group_leader.
2. By inspecting the application_master process, we can find the group_leader
the message is sent is the registered process named user. The process is
running the group module which does handle io:columns/1 requests delegating
them to user_drv process.
3. The user_drv process does handle tty_geometry requests, except that a
clause above ends up short-circuiting all tty_geometry requests from the
user process.
This patch moves the user clause below the specific driver messages.
OTP-12241
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Added a put_chars_sync to the protocol that can be used to
talk to user_drv and made group use it. This is needed in order
to guarantee that bytes has been pushed to the tty port when
doing something like this:
io:format("halting\n"),erlang:halt(0).
Before this change the halting message could be lost in the message
queue of the user_drv process, this is no longer possible.
This commit also fixes ssh_cli as that plugs itself in as a user_drv
process.
OTP-12240
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spawn_request/1 is obsolete since R11B-0
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Sometimes we install *.erl files. Some these files include a private
*.hrl files, so in order to make these *.erl files usable we have to
install these private includes as well.
Signed-off-by: Peter Lemenkov <[email protected]>
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The standard_error process didn't handle the getopts I/O protocol
request correctly and didn't store its encoding in the same way as
standard_io.
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Simplify erl_epmd:names/1, keeping the same functionalities, relying
on inet:gethostbyname/1 being able to handle both atoms and strings.
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This change also simplifies the code avoiding a double (conditional)
call to inet:gethostbyname/1 (in net_adm:names/1 and then
erl_epmd:names/1).
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Conflicts:
erts/preloaded/ebin/prim_inet.beam
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Conflicts:
erts/doc/src/notes.xml
erts/preloaded/ebin/prim_inet.beam
erts/vsn.mk
lib/kernel/doc/src/notes.xml
lib/kernel/vsn.mk
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Update testcase for gen_udp:open/2 with option fd
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* nox/filelib-wildcard-broken-link:
Update stdlib appup file
Update runtime dependencies
Update preloaded
Add tests of filelib and symlinks
Fix handling of broken symlinks in filelib
Conflicts:
erts/preloaded/ebin/erl_prim_loader.beam
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This fixes a bug introduced in f11aabdc9fec593c31e6c4f3fa25c1707e9c35df where
filelib:eval_read_file_info/2 was made to use file:read_link_info/1 to never
follow symlinks. This fixed wildcard/1 but broke every other function using
eval_read_file_info/2.
Reported-by: Louis-Philippe Gauthier
Reported-by: Danil Zagoskin
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This undocumented option makes an application:get_env/2 call every time a raw
file is opened.
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This option allows the caller not to go through the file server for information
about files guaranteed to be local.
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* maint:
Fix handling of latin1 characters in false ifdef branches
add_abstract_code: Remove 'from_asm' option
Remove documentation and stub for non-exist file:file_info/1
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* bjorn/kernel/remove-file_info-vestiges/OTP-11982:
Remove documentation and stub for non-exist file:file_info/1
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file:file_info/1 was removed a long time ago, but its
documentation was not removed.
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* maint:
Allow unsticking pre-loaded modules
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Commit ed06dd12ea74018b902a2c4c7924313d23cedb75 made pre-loaded
modules (such as erlang) sticky, and also made it impossible to
unstick them to prevent them from ever be reloaded.
It turns out that there are tools that may want to instrument
the erlang module (such as concuerror), so making it
impossible to unstick modules is harsh. Therefore, revert the
part of the commit that prevented unsticking the pre-loaded
modules.
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Modules in the kernel, stdlib, and compiler applications are by
default "sticky", meaning that the code server will refuse to
re-load them.
The pre-loaded modules (those that are part of the run-time system
itself, such as 'erlang') are, however, not sticky. They used to be
sticky a long time ago when the pre-loaded modules were part of
the kernel application. Now they are part of the erts application.
Since re-loading a pre-loaded module can be catastrophic (especially
re-loading the 'erlang' module), the pre-loaded modules must be
sticky. Furthermore, it should not be allowed to unstick them.
The sticky_dir/1 test case in code_SUITE is never actually run and
is broken. Rewrite it.
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The following sequence will NOT leave the code path unchanged:
code:add_path("/some/app/"),
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code:del_path("/some/app/")
The reason is that code:add_path/1 will normalize the path name
(removing the trailing slash), while code:del_path/1 does not
normalize the path before searching for it in the code path.
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* siri/appups-18.0/OTP-11881:
Update kernel, stdlib and sasl appup files for Erlang/OTP-18
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If the Config given to application_controller:change_application_data
included other config files, it was only expanded for already existing
(loaded) applications. If an upgrade added a new application which had
config data in an included config file, the new application did not
get correct config data.
This is now changed so config data will be expanded for all
applications.
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Also use this type in the start/2 callback spec.
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