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#ifndef H_SCHED
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#define H_SCHED
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#include "../kernel.h"
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#include "ktypes.h"
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// scheduling data:
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extern ProcessControlBlock processes[PROCESS_COUNT];
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// scheduler methods
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ProcessControlBlock* scheduler_select_free();
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void set_next_interrupt();
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void __attribute__((noreturn)) scheduler_run_next();
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void __attribute__((noreturn)) scheduler_try_return_to(ProcessControlBlock*);
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void __attribute__((noreturn)) scheduler_switch_to(ProcessControlBlock*);
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ProcessControlBlock* process_from_pid(int pid);
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int* get_current_process_registers();
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ProcessControlBlock* get_current_process();
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void mark_ecall_entry();
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// process creation / destruction
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optional_pcbptr create_new_process(loaded_binary*, int);
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optional_pcbptr create_new_thread(ProcessControlBlock*, void*, void*, int);
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void destroy_process(ProcessControlBlock* pcb);
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void kill_child_processes(ProcessControlBlock* pcb);
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#endif
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