Implement mq_getsetattr(2). #6457
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rootInode represents the root inode for mqueue filesystem (/dev/mqueue). Updates google#136
Create package mq to implement POSIX message queues, and define initial struct definitions. Updates google#136
Implement inode and file description representing a POSIX message queue, and other utilities needed to implement file operations. Updates google#136
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Define a POSIX message queue Registry and RegistryImpl in mq package, implement RegistryImpl in mqfs, and add a Registry object to IPCNamespace initialized at filesystem creation. Updates google#136
CtxIPCNamespace is needed by mqfs package to be able to retreive an IPCNamespace using ctx.Value. As ctx.Value compares keys as interfaces, we need to use type kernel.contextID in package mqfs, which is not possible due to circular depenedency, so move it to kernel/ipc instead. Updates google#136
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Move root dentry and filesystem creation from GetFilesystem to NewRegistryImpl, create IPCNamespace.InitPosixQueues to create a new mqueue filesystem for each ipc namespace, and update GetFilesystem to retreive fs and root dentry from IPCNamespace and return them. Updates google#136
View makes it easier to handle O_RDONLY, O_WRONLY, and ORDWR options in mq_open(2). Updates google#136
Update RegistryImpl functions to return file descriptions, instead of queues, and use Views in queue inodes. Updates google#136
FindOrCreate implements the behaviour of mq_open(2). Updates google#136
Remove implements the behaviour of mq_unlink(2). Updates google#136
Support mq_open and mq_unlink, and enable syscall tests. Updates google#136
send implements functionality of mq_timedsend(2). Updates google#136
receive implements functionality of mq_timedreceive(2). Updates google#136
viewImpl implements View and is embedded in different views to avoid code repetition. Updates google#136
Implement syscall stubs and enable tests. Updates google#136
Attr and Set implement the functionality of mq_getattr(3) and mq_setattr(3). Updates google#136
Implement syscall stub and enable tests. Updates google#136
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A friendly reminder that this PR had no activity for 120 days. |
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This PR has been closed due to lack of activity. |
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This PR is a followup to #6429 that implements
mq_getsetattr(2).Updates #136