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* sighook: Replace sigtables with RCU-protected linked listsTavian Barnes2024-07-071-34/+60
| | | | | | | | This fixes an ABA problem where sigdispatch() could think no handlers are registered for a signal even when there are. Link: https://unix.stackexchange.com/a/779594/56202 Fixes: 375caac ("sighook: New utilities for hooking signals")
* diag: New helpers to include xstrerror(errno) automaticallyTavian Barnes2024-05-171-6/+6
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* sighook: New utilities for hooking signalsTavian Barnes2024-05-161-0/+97
This allows multiple hooks to be installed for a single signal.