72 lines
1.4 KiB
C
72 lines
1.4 KiB
C
#ifndef __KERNEL_PROCESS_H__
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# define __KERNEL_PROCESS_H__
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#include <stddef.h>
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#include <stdint.h>
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#include <kernel/context.h>
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#include <kernel/types.h>
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#define PROCESS_STACK_SIZE (2048)
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#define PROCESS_NAME_LENGHT (16)
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#define PROCESS_MAX (3)
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#define PROC_IDLE (0)
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// define process struct.
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//TODO: signal !
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typedef struct process_s
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{
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// Process name.
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char name[PROCESS_NAME_LENGHT];
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// Context management
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common_context_t context;
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// Signals management.
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//sighandler_t signal[NSIG];
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// Virtual / Physical memory management.
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// @note
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// For now, we can not use the MMU
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// so we just save all physical allocated
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// space. This is an hardcode of each
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// process memory management.
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struct {
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struct {
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uint32_t start;
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uint32_t size;
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} stack;
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struct {
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uint32_t start;
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uint32_t size;
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} program;
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struct {
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uint32_t start;
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uint32_t size;
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} exit;
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} memory;
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// Other process management.
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struct process_s *parent;
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struct process_s *child;
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struct process_s *next;
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} process_t;
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// Internal struct used by the
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// static process stack
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struct process_stack_s
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{
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struct process_s process;
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int status;
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};
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// Functions.
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extern pid_t process_create(const char *name);
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extern process_t *process_get(pid_t pid);
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extern int process_switch(pid_t pid);
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// Internal function.
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extern pid_t process_alloc(process_t **process);
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#endif /*__KERNEL_PROCESS_H__*/
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