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quark-kernel/OS-DESIGN.md

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# Overview
# System calls
## System call list
### map_anonymous(location, size, flags)
Privilage level: user
### unmap_anonymous(location, size)
Privilage level: user
### map_physical(location, size)
Privilage level: system
### unmap_physical(location, size)
Privilage level: system
### object_create(location, size, flags)
Privilage level: user
### object_aquire(id, location)
Privilage level: user
### object_release(id)
Privilage level: user
### send_pid(data, dest, flags)
Privilage level: user
### send_port(data, dest, flags)
Privilage level: user
### receive(buffer, flags)
Privilage level: user
### port_open(id)
Privilage level: user
### port_close(id)
Privilage level: user
### clone(entry, arg, stack, flags)
Privilage level: user
### signal_action(id, action, flags)
Privilage level: user
### signal_return()
Privilage level: user
### signal_raise(pid, id, arg)
Privilage level: user
### interrupt_action(id, action, flags)
Privilage level: system
### interrupt_return()
Privilage level: system