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* Detect all file overwrites in autoreload_inotifyBert Münnich2017-05-171-5/+6
| | | | | | | | | | | | mv(1) inside the same filesystem was not detected. Supporting this case made it necessary to always watch the directory. Turns out the logic and state keeping between arl_setup() and arl_handle() is easier, when using different watch descriptors for the file and the directory and not using a oneshot descriptor for the file. Requiring an absolute canonical path for arl_setup() simplifies dir and base name splitting. No need for dirname(3) and basename(3) anymore.
* Revised autoreload interfaceBert Münnich2017-05-171-13/+5
| | | | | | | | | | | | Make the header only contain the public interface and nothing from the implementation. All functions get a handle to their self object, like the img_ and tns_ and win_ functions. All necessary data (file path) is also passed as an argument, so that no extern redeclarations are needed. Make arl_setup_dir() private, it's not called outside the module. Make arl_handle() return true if the file has changed, so that the reloading of the file can be done by the caller.
* Add autoreload support by inotify (and dummy backend nop)Max Voit2017-05-171-0/+43