57 lines
1.3 KiB
C
57 lines
1.3 KiB
C
/*
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* @author xamidev <xamidev@riseup.net>
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* @brief Process definition
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* @license GPL-3.0-only
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*/
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#ifndef PROCESS_H
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#define PROCESS_H
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#include <stddef.h>
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#include <config.h>
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#include <stdint.h>
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#include <limine.h>
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#include <stdbool.h>
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typedef enum {
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READY,
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RUNNING,
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DEAD
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} status_t;
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struct fd {
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int fd;
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char filename[PROCESS_NAME_MAX]; // File opened
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uint64_t cursor; // Cursor position in file
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bool open;
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};
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struct process {
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size_t pid;
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char name[PROCESS_NAME_MAX];
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status_t status;
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struct cpu_status* context;
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void* root_page_table; // Process PML4 (should contain kernel PML4 in higher half [256-511]
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void* kernel_stack; // Used for interrupts (syscall: int 0x80), defines the TSS RSP0
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struct fd fdt[FDT_MAX]; // File Descriptor Table
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size_t next_free_fd;
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struct process* next;
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};
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void process_init(void);
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struct process* process_create(char* name, void(*function)(void*), void* arg);
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void process_add(struct process** processes_list, struct process* process);
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void process_delete(struct process** processes_list, struct process* process);
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struct process* process_get_next(struct process* process);
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void process_exit(void);
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void process_display_list(struct process* processes_list);
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void process_create_user_raw(char* file, int size, char* name);
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#endif
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