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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	44f636259ed265f441f0ed84659e88428610cf0f
tree	ae3329978feb7a272e30b29231d854fe8f79ed26	tree \| snapshot
parent	74b8f18ca7b86d1d37edca62d3abaca6b0d5ea0f	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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