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The application process needs to request the port from the router instead of the
latter pushing the port before sending a request to the application. This is
required to simplify the communication between the router and the application
and to prepare the router to use the application shared port and then the queue.
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The goal is to minimize the number of (pid, id) to port hash lookups which
require a library mutex lock. The response port is found once per request,
while the read port is initialized at startup.
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- Changed the port management callbacks to notifications, which e. g. avoids
the need to call the libunit function
- Added context and library instance reference counts for a safer resource
release
- Added the router main port initialization
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If there are no listen sockets, the router configuration usage counter
remains 0 and never decreases. The only moment to release a configuration is
right after a configuration update.
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Earlier patch 1bf971f83571 fixes connection leakage. But connection
free requires separate remote sockaddr release.
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The gem paths must depend on the specified interpreter.
Also, gemdir looks redundant as it's already included in Gem.default_path().
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There is no reason to use printf instead of just print.
No functional changes.
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An attempt to build a Ruby module for a custom Ruby installation that has the
same major version as the system Ruby may unexpectedly cause the use of the
system Ruby library.
This closes #449 issue on GitHub.
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According to libuv documentation, uv_poll_t memory should be released
in a callback function passed to uv_close(). Otherwise, the Node.js application
process may crash at exit.
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A connection object is allocated in advance for each listen event object to be
used for the established connection. This connection needs to be freed when the
listen event is destroyed.
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The invocation parameters should be logged as well, notably the path of the file
that is failed to be created.
Also, log level changed to ALERT as it's quite critical error.
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Earlier, if nxt_mp_create() failed to allocate memory while accepting a new
connection, the resulting NULL was subsequently passed to nxt_mp_destroy(),
crashing the process.
More, if nxt_mp_create() was successful but nxt_sockaddr_cache_alloc() failed,
the connection object wasn't destroyed properly, leaving the connection counter
in an inconsistent state. Repeated, this condition lowered the connection
capacity of the process and could eventually prevent it from accepting
connections altogether.
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Since the introduction of rootfs feature, some language modules
can't be configured multiple times.
Now the configure generates a separate nxt_<module>_mounts.h for
each module compiled.
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Some PPAs for Ubuntu package PHP with versions like:
7.2.28-3+ubuntu18.04.1+deb.sury.org+1
But the script expected only "X.Y.Z".
The issue was introduced in:
http://hg.nginx.org/unit/rev/2ecb15904ba5
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There was an undefined behavior in the validation function, caused by testing
one character after the string if a wildcard was at the end.
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There is no restrictions on configration size and using segmented shared memory
only doubles memory usage because to parse configration on router side,
it needs to be 'plain' e. g. located in single continous memory buffer.
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This fixes undefined behaviour due to array over-read if an unknown parameter
is specified in an uidmap, a gidmap, or a php target object.
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Thanks to 洪志道 (Hong Zhi Dao).
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This is partially related to #434 issue on Github.
Thanks to 洪志道 (Hong Zhi Dao).
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Racing conditions reproduced periodically on test_python_process_switch.
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Currently, the router exits without waiting for the worker threads to stop.
There is a short gap between the runtime memory pool's free and the exit, during
which a worker thread may try to access a runtime structure. In turn, this may
cause a crash. For now, it is better to keep this memory allocated.
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Using this function in all language modules helps to avoid code duplication
and reduce the size of future patches.
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Correct value for non-initialized file descriptor is -1, because most of the
checks in libunit compares file descriptor with -1 before performing an
action. Using 0 as default value, may cause to close file descriptor #0, this
may affect application logic.
It is not required to list this patch in changelog because impact is not seen
by end users.
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The nxt_assert macro uses nxt_thread_context, which caused the following linker
error when using it in the library:
ld: illegal thread local variable reference to regular symbol
_nxt_thread_context for architecture x86_64
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This is another attempt to fix the following error message:
BlockingIOError: [Errno 11] write could not complete without blocking
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Incorrect check prevents Unit to start without modules.
This issue was introduced in 4a3ec07f4b19.
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Previously, the log message callback used a generic log function, that relied on the process time cache.
Since there were no time update calls in the application processes, all log lines were printed with the
same time, usually correlated with the process start.
Now, a non-cached logging function from libunit is used.
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This makes log format used in libunit consistent with the daemon, where milliseconds are printed only in the
debug log level.
Currently a compile time switch is used, since there's no support for runtime changing of a log level for now.
But in the future this should be a runtime condition, similar to nxt_log_time_handler().
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Matching 'start' and 'end' position now adjusted to avoid false matching.
This is related to #434 issue on Github.
Thanks to 洪志道 (Hong Zhi Dao).
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The lifespan of a listening socket is longer than both router
configuration's and temporary router configuration's lifespan,
so the sockets should be stored in persistent queues. Safety
is ensured by the fact that the router processes only one new
configuration at any time.
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opcache_get_status() returns array, so square brackets
should be used to access "opcache_enabled" value.
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Now the configure script appends /server to --lib-path argument.
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