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2010-08-30Fetch process information and reject the non-existing onesJeremie Koenig
* process.c, process.h (process_make_node): Make static, include a procinfo structure into the node information. (process_lookup_pid): New function, replaces process_make_node as the outer interface, returns an error for non-existing processes. * proclist.c (proclist_lookup): Convert to the new interface.
2010-08-30Add real process nodesJeremie Koenig
* process.c, process.h: New files, implement a process directory with cmdline and environ files. * Makefile: Add the process module. * proclist.c: Replace stub pid files with the real thing.
2010-08-30More cleanup possibilitiesJeremie Koenig
* procfs.c, procfs.h: Extend the signature of the cleanup_contents callback in the procfs_node_ops structure to include the hook and contents_len. (cleanup_contents_with_free, cleanup_contents_with_vm_deallocate): New functions, can be used as a cleanup_contents callback for simple cases. * procfs_dir.c, procfs_dir.h (procfs_dir_make_node): Update, add a cleanup callback, make sure the cleanup callback is invoked if there is an error. * proclist.c (proclist_make_node), main.c (main): Update to match the new interfaces.
2010-08-30Fix the failure semantics of procfs_make_nodeJeremie Koenig
* procfs.c (procfs_make_node): Invoke the cleanup callback on failure, so that callers don't have to. * procfs.h: Document the change. * procfs_dir.c (procfs_dir_make_node), procfs_file.c (procfs_file_make_node), proclist.c (proclist_make_node): Update to reflect the change.
2010-08-30Add the list of processes as a directoryJeremie Koenig
* proclist.h, proclist.c: New files. * main.c: Add a proclist directory based on them. * Makefile: Include the proclist module.
2010-08-30Implement simple directoriesJeremie Koenig
* procfs_dir.h: New file; declare the procfs_dir_make_node function, based on the procfs_dir_entry structure. * procfs_dir.c: New file; implement simple directories. * Makefile: Add the procfs_dir module. * main.c: Use it.
2010-08-30Add a helper module for simple regular filesJeremie Koenig
* procfs_file.h: New file, declares procfs_file_make_node. * procfs_file.c: New file, implements procfs_file_make_node. * main.c: Use them. * Makefile: Add the procfs_file module.
2010-08-30Basic infrastructureJeremie Koenig
* procfs.h: New file; basic interfaces for procfs nodes. * procfs.c: New file; implement the basic infrastructure. * netfs.c: New file; bridge libnetfs and the procfs interfaces. * main.c: New file; mostly a "Hello, World!" for now. * Makefile: New file; standalone for now.