History log of /unit/src/nxt_application.c (Results 1 – 25 of 75)
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# 2174:a7fb5d8a9590 17-Feb-2022 Max Romanov

Fixing isolated process PID manipulation.

Registering an isolated PID in the global PID hash is wrong
because it can be duplicated. Isolated processes are stored only
in the children list until the

Fixing isolated process PID manipulation.

Registering an isolated PID in the global PID hash is wrong
because it can be duplicated. Isolated processes are stored only
in the children list until the response for the WHOAMI message is
processed and the global PID is discovered.

To remove isolated siblings, a pointer to the children list is
introduced in the nxt_process_init_t struct.

This closes #633 issue on GitHub.

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Revision tags: 1.27.0-1, 1.27.0
# 2050:d1298cc3f385 03-Dec-2021 Valentin Bartenev

Merged with the 1.26 branch.


Revision tags: 1.26.1-1, 1.26.1
# 2025:9c4c2435499f 01-Dec-2021 Max Romanov

Fixing prototype process crash.

A prototype stores linked application processes structures. When an
application process terminates, it's removed from the list. To avoid double
removal, the pointer

Fixing prototype process crash.

A prototype stores linked application processes structures. When an
application process terminates, it's removed from the list. To avoid double
removal, the pointer to the next element should be set to NULL.

The issue was introduced in c8790d2a89bb.

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# 2014:f8a0992944df 24-Nov-2021 Max Romanov

Sending shared port to application prototype.

Application process started with shared port (and queue) already configured.
But still waits for PORT_ACK message from router to start request processin

Sending shared port to application prototype.

Application process started with shared port (and queue) already configured.
But still waits for PORT_ACK message from router to start request processing
(so-called "ready state").

Waiting for router confirmation is necessary. Otherwise, the application may
produce response and send it to router before the router have the information
about the application process. This is a subject of further optimizations.

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Revision tags: 1.26.0-1, 1.26.0
# 1998:c8790d2a89bb 09-Nov-2021 Tiago Natel de Moura

Introducing application prototype processes.


# 1983:ca8c8d29f323 02-Nov-2021 Valentin Bartenev

Improved logging of app module load errors.


# 1980:43553aa72111 28-Oct-2021 Max Romanov

Moving request limit control to libunit.

Introducting application graceful stop. For now only used when application
process reach request limit value.

This closes #585 issue on GitHub.


Revision tags: 1.25.0-1, 1.25.0, 1.24.0-1, 1.24.0, 1.23.0-1, 1.23.0, 1.22.0-1, 1.22.0, 1.21.0-1, 1.21.0
# 1673:883f2f79c2f6 29-Oct-2020 Tiago Natel de Moura

Isolation: mounting of procfs by default when using "rootfs".


# 1668:03fa2be97871 27-Oct-2020 Max Romanov

Preserving the app port write socket.

The socket is required for intercontextual communication in multithreaded apps.


Revision tags: 1.20.0-1, 1.20.0
# 1579:c80e692dc644 20-Aug-2020 Tiago Natel de Moura

Moved isolation related code to "nxt_isolation.c".


Revision tags: 1.19.0-1, 1.19.0
# 1557:a9f991601a8b 11-Aug-2020 Max Romanov

Moving file descriptor blocking to libunit.

The default libunit behavior relies on blocking the recv() call for port file
descriptors, which an application may override if needed. For external
appl

Moving file descriptor blocking to libunit.

The default libunit behavior relies on blocking the recv() call for port file
descriptors, which an application may override if needed. For external
applications, port file descriptors were toggled to blocking mode before the
exec() call. If the exec() call failed, descriptor remained blocked, so the
process hanged while trying to read from it.

This patch moves file descriptor mode switch inside libunit.

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# 1543:42f27153db91 11-Aug-2020 Max Romanov

Libunit refactoring: port management.

- Changed the port management callbacks to notifications, which e. g. avoids
the need to call the libunit function
- Added context and library instance referenc

Libunit refactoring: port management.

- 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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# 1518:46e8c414db88 23-Jul-2020 Max Romanov

Fixing main and application port structs file descriptor init.

Correct value for non-initialized file descriptor is -1, because most of the
checks in libunit compares file descriptor with -1 before

Fixing main and application port structs file descriptor init.

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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# 1515:7a7c78ca9f91 22-Jul-2020 Max Romanov

Fixing buffer overflow check in discovery.

Incorrect check prevents Unit to start without modules.

This issue was introduced in 4a3ec07f4b19.


# 1503:c21230ef5a0e 22-Jun-2020 Tiago Natel de Moura

Isolation: fixed build when features aren't detected.


Revision tags: 1.18.0-1, 1.18.0
# 1489:4a3ec07f4b19 28-May-2020 Tiago Natel de Moura

Added "rootfs" feature.


# 1488:6976d36be926 09-Mar-2020 Tiago Natel de Moura

Refactor of process management.

The process abstraction has changed to:

setup(task, process)
start(task, process_data)
prefork(task, process, mp)

The prefork() occurs in the main process rig

Refactor of process management.

The process abstraction has changed to:

setup(task, process)
start(task, process_data)
prefork(task, process, mp)

The prefork() occurs in the main process right before fork.

The file src/nxt_main_process.c is completely free of process
specific logic.

The creation of a process now supports a PROCESS_CREATED state. The
The setup() function of each process can set its state to either
created or ready. If created, a MSG_PROCESS_CREATED is sent to main
process, where external setup can be done (required for rootfs under
container).

The core processes (discovery, controller and router) doesn't need
external setup, then they all proceeds to their start() function
straight away.

In the case of applications, the load of the module happens at the
process setup() time and The module's init() function has changed
to be the start() of the process.

The module API has changed to:

setup(task, process, conf)
start(task, data)

As a direct benefit of the PROCESS_CREATED message, the clone(2) of
processes using pid namespaces now doesn't need to create a pipe
to make the child block until parent setup uid/gid mappings nor it
needs to receive the child pid.

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Revision tags: 1.17.0-1, 1.17.0, 1.16.0-1, 1.16.0, 1.15.0-1, 1.15.0, 1.14.0-1, 1.14.0, 1.13.0-1, 1.13.0
# 1239:12102374f13a 22-Oct-2019 Max Romanov

Fixing process crash in case of module load error.

This is related to #330 issue on GitHub.


Revision tags: 1.12.0-1, 1.12.0, 1.11.0-2, 1.11.0-1, 1.11.0, 1.10.0-2, 1.10.0-1, 1.10.0
# 1104:cb554ac9411a 17-Jul-2019 Max Romanov

Exiting application process in case of pre_init stage error.


Revision tags: 1.9.0-1, 1.9.0
# 1007:7435036ed31e 06-Mar-2019 Alexander Borisov

Removed unnecessary abstraction layer.


Revision tags: 1.8.0-1, 1.8.0
# 977:4f9268f27b57 28-Feb-2019 Max Romanov

Introducing Java Servlet Container beta.


Revision tags: 1.7.1-1, 1.7.1, 1.7-1, 1.7, 1.6-1, 1.6, 1.5-1, 1.5
# 804:fe8d2dea28dd 09-Oct-2018 Valentin Bartenev

Renamed "go" application type to "external".

There's nothing specific to Go language. This type of application object can
be used to run any external application that utilizes libunit API.


Revision tags: 1.4-2, 1.4
# 743:e0f0cd7d244a 06-Aug-2018 Max Romanov

Unit application library.

Library now used in all language modules.
Old 'nxt_app_*' code removed.

See src/test/nxt_unit_app_test.c for usage sample.


Revision tags: 1.3
# 723:c48e0ee3a8b3 12-Jul-2018 Max Romanov

Enabled body buffer shared memory segmentation.

Changeset #699 fixes shared memory allocation: continous buffer with
requested size should be allocated or function failed. For body longer
than 10 M

Enabled body buffer shared memory segmentation.

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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# 703:2d536dde84d2 25-Jun-2018 Valentin Bartenev

Introduced nxt_length() macro.


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