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educg-net-28668-2608132
OSKernel2024-JTing-107
Commits
8d7a1aa2
Commit
8d7a1aa2
authored
2 months ago
by
Happy
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add syscall-filesystem dup2, copy old fd to new fd
parent
ab1e4948
main
develop
fb
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5 changed files
kernel/include/sysnum.h
+1
-0
kernel/include/sysnum.h
kernel/syscall.c
+3
-0
kernel/syscall.c
kernel/sysfile.c
+40
-0
kernel/sysfile.c
xv6-user/user.h
+1
-0
xv6-user/user.h
xv6-user/usys.pl
+1
-0
xv6-user/usys.pl
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