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author	Tulio A M Mendes <[email protected]>
	Sun, 8 Feb 2026 01:47:06 +0000 (22:47 -0300)
committer	Tulio A M Mendes <[email protected]>
	Sun, 8 Feb 2026 01:47:06 +0000 (22:47 -0300)
commit	8c457f9a9d237f5ce68f808eed4abb705c59143a
tree	46acd8981ad8b16bc5ca86c6cfce45d27b6b2ab7	tree \| snapshot
parent	d72821be67a427ee309e090cd39cf594331da5a1	commit \| diff

D3: fork syscall + remove spawn

Implement fork() by cloning user address space and resuming child in ring3 from a saved register frame. Duplicate FD table via refcounting. Remove temporary spawn syscall and update init.elf waitpid test to use fork().

include/arch/x86/usermode.h		diff \| blob \| blame \| history
include/process.h		diff \| blob \| blame \| history
include/syscall.h		diff \| blob \| blame \| history
include/vmm.h		diff \| blob \| blame \| history
src/arch/x86/usermode.c		diff \| blob \| blame \| history
src/arch/x86/vmm.c		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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