Commit message (Collapse) | Author | Age | Files | Lines | |
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* | prelude: Split bfs-specific utilities into new bfs.h header | Tavian Barnes | 2024-08-28 | 1 | -0/+3 |
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* | sighook: Fix typo in comment | Tavian Barnes | 2024-08-17 | 1 | -1/+1 |
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* | sighook: Disable semaphores on NetBSD | Tavian Barnes | 2024-08-11 | 1 | -1/+2 |
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* | bfstd: New sysoption() macro to check for POSIX option runtime support | Tavian Barnes | 2024-08-09 | 1 | -7/+17 |
| | | | | | | | | | | POSIX allows optional features to be supported at compile time but not necessarily at run time by defining _POSIX_OPTION to 0 and requiring users to check sysconf(_SC_OPTION) > 0. The new sysoption() macro simplifies the check. sighook() and bfs_spawn() now check for conditional runtime support for the relevant POSIX options. | ||||
* | Update opengroup.org links to POSIX 2024 | Tavian Barnes | 2024-08-02 | 1 | -5/+5 |
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* | prelude: Simplify attributes | Tavian Barnes | 2024-07-28 | 1 | -1/+2 |
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* | sighook: Make sigunhook() O(1) | Tavian Barnes | 2024-07-15 | 1 | -41/+51 |
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* | sighook: Replace sigtables with RCU-protected linked lists | Tavian Barnes | 2024-07-07 | 1 | -148/+68 |
| | | | | | | | | 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") | ||||
* | sighook: Shard the signal table | Tavian Barnes | 2024-06-07 | 1 | -7/+24 |
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* | sighook: Ignore sigaction() errors in atsigexit() | Tavian Barnes | 2024-06-07 | 1 | -10/+6 |
| | | | | This fixes bfs under Valgrind, which reserves SIGRTMAX for its own use. | ||||
* | sighook: Check that atomic size_t is lock-free | Tavian Barnes | 2024-06-03 | 1 | -0/+4 |
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* | sighook: Allow sigunhook(NULL) | Tavian Barnes | 2024-05-25 | 1 | -0/+4 |
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* | diag: New helpers to include xstrerror(errno) automatically | Tavian Barnes | 2024-05-17 | 1 | -2/+2 |
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* | sighook: New utilities for hooking signals | Tavian Barnes | 2024-05-16 | 1 | -0/+600 |
This allows multiple hooks to be installed for a single signal. |