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path: root/src/basic/set.h
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2016-02-22resolved: fix notification iteration logic when transactions are completedLennart Poettering
When a transaction is complete, and we notify its owners, make sure we deal correctly with the requesters removing themselves from the list of owners while we continue iterating. This was previously already dealt with with transactions that require other transactions for DNSSEC purposes, fix this for other possibly transaction owners too now. Since iterating through "Set" objects is not safe regarding removal of entries from it, rework the logic to use two Sets, and move each entry we notified from one set to the other set before we dispatch the notification. This move operation requires no additional memory, and enables us to ensure that we don't notify any object twice. Fixes: #2676
2016-02-10tree-wide: remove Emacs lines from all filesDaniel Mack
This should be handled fine now by .dir-locals.el, so need to carry that stuff in every file.
2015-11-25util-lib: add ordered_set_ensure_allocated()Lennart Poettering
ordered_set_ensure_allocated() does for an OrderedSet, what set_ensure_allicated() does for a Set.
2015-09-01set: return NULL on destructorsLennart Poettering
Like we do it pretty much everywhere else.
2015-06-14hashmap: fix iterators to not skip entriesDavid Herrmann
Currently, the HASHMAP iterators stop at the first NULL entry in a hashmap. This is non-obvious and breaks users like sd-device, which legitimately store NULL values in a hashmap. Fix all the iterators by taking a pointer to the value storage, instead of returning it. The iterators now return a boolean that tells whether the end of the list was reached. Current users of HASHMAP_FOREACH() are *NOT* changed to explicitly check for NULL. If it turns out, there were users that inserted NULL into hashmaps, but didn't properly check for it during iteration, then we really want to find those and fix them.
2015-06-11build-sys: split internal basic/ library from shared/Kay Sievers
basic/ can be used by everything cannot use anything outside of basic/ libsystemd/ can use basic/ cannot use shared/ shared/ can use libsystemd/