83 lines
2.6 KiB
C
83 lines
2.6 KiB
C
// This file is part of noxos and licensed under the MIT open source license
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#ifndef NOX_PROCESS_H
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#define NOX_PROCESS_H
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#include "utils/stdtypes.h"
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#include "utils/string.h"
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#include "utils/bitmap.h"
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#include "proc/file_descriptor.h"
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#include "proc/pipe.h"
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#include "mm/page_map.h"
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#include "drivers/builtin/elf/elf.h"
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#define MAX_THREADS_PER_PROCESS 64
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#define THREAD_ID_INVALID (-1)
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typedef uint32_t pid_t;
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typedef enum {
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PROCESS_NONE,
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PROCESS_KERNEL
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} processes_standard_E;
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typedef enum {
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PROCESS_BLOCK_WAIT_PIPE_OUT,
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PROCESS_BLOCK_WAIT_PIPE_IN,
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PROCESS_BLOCK_ENUM_SIZE
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} process_blockers_E;
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typedef enum {
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PROCESS_SIGNAL_START, // SIGSTART
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PROCESS_SIGNAL_PAUSE, // SIGPAUSE
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PROCESS_SIGNAL_KILL, // SIGKILL
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PROCESS_SIGNAL_PFAULT, // SIGPFAULT
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} process_signals_E;
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typedef struct process_T process_T;
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struct process_T {
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char name [128];
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pid_t id;
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void* chunk;
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uint32_t chunk_id;
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page_map_T* page_map;
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elf_executable_T* executable;
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file_descriptor_array_T* fd_array;
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// driver: If this process is a driver, this tells the ID
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// of that driver within the driver management system.
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uint32_t driver;
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pipe_T* stdout;
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pipe_T stdin;
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pipe_T* stderr;
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bitmap_T waiting;
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uint32_t num_threads;
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void* threads;
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bitmap_T thread_ids;
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process_T* parent;
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process_T* childs; // TODO: Must be 'children'
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process_T* prev;
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process_T* next;
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};
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void process_kernel_spawn (elf_executable_T* executable);
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pid_t process_spawn (pid_t parent, string_t name, elf_executable_T* executable, void* buffer);
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void process_signal (process_T* process, process_signals_E signal);
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bool process_is_child_of (process_T* process, process_T* parent);
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int32_t process_get_thread_id (process_T* process);
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void process_clear_thread_id (process_T* process, uint32_t id);
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void process_pause_pid (pid_t pid);
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void process_pause (process_T* process);
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void process_start_pid (pid_t pid);
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void process_start (process_T* process);
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void process_kill_pid (pid_t pid);
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void process_kill (process_T* process);
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#endif //NOX_PROCESS_H
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