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This closes #166 issue on GitHub.
Thanks to 洪志道 (Hong Zhi Dao).
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This closes #165 issue on GitHub.
Thanks to 洪志道 (Hong Zhi Dao).
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This closes #161 issue on GitHub.
Thanks to 洪志道 (Hong Zhi Dao).
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Unit master process restarts the router if the router accidentally dies.
New router process receives the configuration from controller and starts
configured applications. The information of running applications cannot
be transferred to router because currently there is no persistent application
identifier. To avoid orphan application processes started by died router,
master process stops all currently running applications once it receives
SIGCHLD for router process.
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For accurate app descriptor release, it is required to count the number of
use counts. Use count increased when:
- app linked to configuration app queue;
- socket conf stores pointer to app;
- request for start app process posted to router service thread;
Application port has pointer to app, but it does not increase use count
to avoid use count loop.
Timer needs a pointer to nxt_timer_t which is stored in engine timers tree.
nxt_timer_t now resides in nxt_app_joint_t and does not lock the application.
Start process port RPC handlers is also linked to nxt_app_joint_t.
App joint (nxt_app_joint_t) is a 'weak pointer':
- single threaded;
- use countable;
- store pointer to nxt_app_t (which can be NULL);
nxt_app_t has pointer to nxt_app_joint_t and update its pointer to app.
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Unit router process may send mmap file decritptor to the application process
for further information exchange. During this process there may be various
errors, which should be described in application error log. If file descriptor
cannot be properly transferred with 'new mmap' message, fd variable will
be assigned to -1 and further syscalls using this file descriptor will fail.
For 'new port' message fd is checked in the same way.
This commit adds early 'invalid file descriptor' diagnostic and write
corresponding message to error log.
Found by Coverity (CID 308515).
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For the optimization purpose, function nxt_unit_remove_process() expects
lib->mutex to be locked. The function then moves ports queue into temporary
queue and releases mutex. In nxt_unit_done() there were two errors: mutex was
not locked before nxt_unit_remove_process() call and mutex was not destroyed.
It is hard to tell what was possible negative impact of this errors.
Found by Coverity (CID 308517).
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This function was accidentally added in e0f0cd7d244a.
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According to PEP 3333, header names and values should be decoded as Latin1.
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Library now used in all language modules.
Old 'nxt_app_*' code removed.
See src/test/nxt_unit_app_test.c for usage sample.
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Fix committed in f04b28aa6e02.
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Now keep-alive connection sends 408 response if listening
socket was closed while reconfiguration.
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Use byte strings to avoid problems with encoding.
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Explicit is better than implicit © The Zen of Python.
The nxt_thread_tid(NULL) call was used only twice in the code
and such behaviour was specific to nxt_thread_tid() function.
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Prodded by David Carlier.
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nxt_thread_tid() was moved to src/nxt_thread.c
nxt_thread_get_tid() was moved to src/nxt_thread_id.h.
src/nxt_thread_id.c was removed.
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Overriding LANG might not work, since it has less precedence than LC_* settings.
LC_ALL has the highest precedence.
This should resolve issue #121 on GitHub.
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Prodded by David Carlier.
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Changeset #699 fixes shared memory allocation: continous buffer with
requested size should be allocated or function failed. For body longer
than 10 Mb, this allocation will definitely fails.
For body buffer it is not required to send it in a single continous buffer,
so, need to request minimum reasonable amount of shared memory and try to
extend it, if possible or allocate next buffer.
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This closes #133 issue on GitHub.
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It's not used since 3b77edf46701.
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