signal-safety(7) — async-signal-safe functions.¶
(2026). `signal-safety(7)` — async-signal-safe functions. Linux man-pages 6.18.
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- The catcher therefore calls only async-signal-safe operations or uses narrowly justified language/implementation guarantees; ordinary I/O, allocation, locking, and most application logic remain outside.
This sourceAuthoritative implementation-oriented list and explanation of safe operations and libc deviations.
- The catcher therefore calls only async-signal-safe operations or uses narrowly justified language/implementation guarantees; ordinary I/O, allocation, locking, and most application logic remain outside.
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