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author	Tulio A M Mendes <[email protected]>
	Sun, 8 Feb 2026 03:53:48 +0000 (00:53 -0300)
committer	Tulio A M Mendes <[email protected]>
	Sun, 8 Feb 2026 03:53:48 +0000 (00:53 -0300)
commit	466c6a48dba9d248c5d3240e22b4b359a3878bac
tree	f106bab9d18bb48affc2ce218b0b6d569028f2b5	tree \| snapshot
parent	d6c448e6af68613f924172e13a0be28cebdd1baa	commit \| diff

posix: add kill(SIGKILL) syscall

Introduce a minimal kill(pid,sig) syscall with SIGKILL support. Implement process_kill() to mark target as zombie, close its FDs with refcounting, and wake a waiting parent. Add ESRCH and a userland init.elf smoke test.

include/errno.h		diff \| blob \| blame \| history
include/process.h		diff \| blob \| blame \| history
include/syscall.h		diff \| blob \| blame \| history
src/kernel/scheduler.c		diff \| blob \| blame \| history
src/kernel/syscall.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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