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author	Tulio A M Mendes <[email protected]>
	Sun, 8 Feb 2026 03:31:57 +0000 (00:31 -0300)
committer	Tulio A M Mendes <[email protected]>
	Sun, 8 Feb 2026 03:31:57 +0000 (00:31 -0300)
commit	c556f7db546ad36bb6cb72801dfbe0eaba2b7236
tree	5ce7a80395aab6aa40afa75c562563b0f20ee822	tree \| snapshot
parent	53a54ae7ef14d633882ec94e5e827ff512414e76	commit \| diff

posix: poll syscall (pipes + devfs tty/null)

Add a minimal poll() syscall (POLLIN/POLLOUT) with timeout semantics (0 non-blocking, <0 blocking). Support pipe endpoints and devfs char devices (/dev/null,/dev/tty) and add userland smoke tests.

include/syscall.h		diff \| blob \| blame \| history
include/tty.h		diff \| blob \| blame \| history
src/kernel/syscall.c		diff \| blob \| blame \| history
src/kernel/tty.c		diff \| blob \| blame \| history
user/init.c		diff \| blob \| blame \| history

AdrOS - A Unix-like Operating System for hobby/academic study.

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