Clarify POSIX async‑signal safety#1649
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Clarify POSIX async‑signal safety#1649serpent7776 wants to merge 1 commit intochriskohlhoff:masterfrom
serpent7776 wants to merge 1 commit intochriskohlhoff:masterfrom
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Clarify that signal handlers installed with signal_set are automatically async‑signal safe on POSIX.
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Clarify that signal handlers installed with signal_set are automatically async‑signal safe on POSIX.
Feel free to suggest better wording.