1df8f2ccd1
Motivation: The kqueue documentation states that 'Calling close() on a file descriptor will remove any kevents that reference the descriptor.' [1], but doesn't mention if this cleanup will be done synchronously. Under some circumstances it has been observed that cleanup was not done immediately and when KQueueEventLoop attempted to access the channel associated with the event the JVM would crash, a ClassCastException, or generally undefined behavior would occur because of invalid pointer references. [1] https://www.freebsd.org/cgi/man.cgi?query=kqueue&sektion=2 Modifications: - AbstractKqueueChannel#doClose should not rely upon this assumption and instead should call doDeregister() to ensure cleanup is done synchronously. - Deleting a kevent should also set the jniSelfPtr stored in the udata of that kevent to NULL, to ensure we will not dereference it later. Result: No more kqueue crash due to close/cleanup sequencing. |
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| buffer | ||
| codec | ||
| codec-dns | ||
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| codec-http | ||
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| codec-xml | ||
| common | ||
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| handler | ||
| handler-proxy | ||
| license | ||
| microbench | ||
| resolver | ||
| resolver-dns | ||
| tarball | ||
| testsuite | ||
| testsuite-autobahn | ||
| testsuite-osgi | ||
| transport | ||
| transport-native-epoll | ||
| transport-native-kqueue | ||
| transport-native-unix-common | ||
| transport-native-unix-common-tests | ||
| transport-rxtx | ||
| transport-sctp | ||
| transport-udt | ||
| .fbprefs | ||
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| CONTRIBUTING.md | ||
| LICENSE.txt | ||
| NOTICE.txt | ||
| pom.xml | ||
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| run-example.sh | ||
Netty Project
Netty is an asynchronous event-driven network application framework for rapid development of maintainable high performance protocol servers & clients.
Links
How to build
For the detailed information about building and developing Netty, please visit the developer guide. This page only gives very basic information.
You require the following to build Netty:
- Latest stable Oracle JDK 7
- Latest stable Apache Maven
- If you are on Linux, you need additional development packages installed on your system, because you'll build the native transport.
Note that this is build-time requirement. JDK 5 (for 3.x) or 6 (for 4.0+) is enough to run your Netty-based application.
Branches to look
Development of all versions takes place in each branch whose name is identical to <majorVersion>.<minorVersion>. For example, the development of 3.9 and 4.0 resides in the branch '3.9' and the branch '4.0' respectively.