process.h File Reference

#include <stdint.h>
#include <Fs\vfs.h>
#include <list.h>

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Classes
struct	_au_proc_

Macros
#define	PROCESS_USER_STACK_SZ   512*1024
#define	MAX_THREADS_PER_PROCESS   60
#define	FILE_DESC_PER_PROCESS   60
#define	PROCESS_STATE_NOT_READY   (1<<0)
#define	PROCESS_STATE_READY   (1<<1)
#define	PROCESS_STATE_SUSPENDED   (1<<2)
#define	PROCESS_STATE_DIED   (1<<3)
#define	PROCESS_STATE_ZOMBIE   (1<<4)
#define	PROCESS_STATE_ORPHAN   (1<<5)
#define	PROCESS_STATE_BUSY_WAIT   (1<<6)
#define	PROCESS_EXIT_SUCCESS   0
#define	PROCESS_EXIT_FAILURE   1
#define	PROCESS_TYPE_GENERAL   (0<<1)
#define	PROCESS_TYPE_SYSTEM   (1<<1)
#define	PROCESS_TYPE_BACKGROUND   (1<<2)
#define	PROCESS_TYPE_NON_KILLABLE   (1<<3)
#define	PROCESS_BREAK_ADDRESS   0x0000003000000000

Typedefs
typedef void(*	entry) (void *)
typedef struct _au_proc_	AuProcess

Functions
void	AuAddProcess (AuProcess *parent, AuProcess *proc)
void	AuRemoveProcess (AuProcess *parent, AuProcess *proc)
uint64_t	CreateKernelStack (AuProcess *proc, uint64_t *cr3)
void	KernelStackFree (AuProcess *proc, void *ptr, uint64_t *cr3)
AuProcess *	AuProcessFindPID (int pid)
uint64_t *	CreateUserStack (AuProcess *proc, uint64_t *cr3)
void	AuStartRootProc ()
AuProcess *	AuGetRootProcess ()
AuProcess *	AuCreateProcessSlot (AuProcess *parent, char *name)
AuProcess *	AuProcessFork (AuProcess *parent)
void	AuProcessExit (AuProcess *proc, bool schedulable)
int	AuProcessGetFileDesc (AuProcess *proc)
void	AuProcessWaitForTermination (AuProcess *proc, int pid)
int	AuCreateUserthread (AuProcess *proc, void(*entry)(), char *name)

Macro Definition Documentation

FILE_DESC_PER_PROCESS

#define FILE_DESC_PER_PROCESS   60

MAX_THREADS_PER_PROCESS

#define MAX_THREADS_PER_PROCESS   60

PROCESS_BREAK_ADDRESS

#define PROCESS_BREAK_ADDRESS   0x0000003000000000

PROCESS_EXIT_FAILURE

#define PROCESS_EXIT_FAILURE   1

PROCESS_EXIT_SUCCESS

#define PROCESS_EXIT_SUCCESS   0

PROCESS_STATE_BUSY_WAIT

#define PROCESS_STATE_BUSY_WAIT   (1<<6)

PROCESS_STATE_DIED

#define PROCESS_STATE_DIED   (1<<3)

PROCESS_STATE_NOT_READY

#define PROCESS_STATE_NOT_READY   (1<<0)

PROCESS_STATE_ORPHAN

#define PROCESS_STATE_ORPHAN   (1<<5)

PROCESS_STATE_READY

#define PROCESS_STATE_READY   (1<<1)

PROCESS_STATE_SUSPENDED

#define PROCESS_STATE_SUSPENDED   (1<<2)

PROCESS_STATE_ZOMBIE

#define PROCESS_STATE_ZOMBIE   (1<<4)

PROCESS_TYPE_BACKGROUND

#define PROCESS_TYPE_BACKGROUND   (1<<2)

PROCESS_TYPE_GENERAL

#define PROCESS_TYPE_GENERAL   (0<<1)

PROCESS_TYPE_NON_KILLABLE

#define PROCESS_TYPE_NON_KILLABLE   (1<<3)

PROCESS_TYPE_SYSTEM

#define PROCESS_TYPE_SYSTEM   (1<<1)

PROCESS_USER_STACK_SZ

#define PROCESS_USER_STACK_SZ   512*1024

BSD 2-Clause License

Copyright (c) 2022-2023, Manas Kamal Choudhury All rights reserved.

Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:

1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

Typedef Documentation

AuProcess

typedef struct _au_proc_ AuProcess

entry

typedef void(* entry) (void *)

Function Documentation

AuAddProcess()

void AuAddProcess ( AuProcess *  parent, AuProcess *  proc  )

extern

AuCreateProcessSlot()

AuProcess * AuCreateProcessSlot ( AuProcess *  parent, char *  name  )

extern

AuCreateUserthread()

int AuCreateUserthread ( AuProcess *  proc, void(*)()  entry, char *  name  )

extern

Creates a user mode thread

Parameters

entry	– Entry point address
stack	– Stack address
cr3	– the top most page map level address
name	– name of the thread
priority	– (currently unused) thread's priority

AuGetRootProcess()

AuProcess * AuGetRootProcess ( )

extern

AuProcessExit()

void AuProcessExit ( AuProcess *  proc, bool  schedulable  )

extern

AuProcessFindPID()

AuProcess * AuProcessFindPID ( int  pid )

extern

AuProcessFork()

AuProcess * AuProcessFork ( AuProcess *  parent )

extern

AuProcessGetFileDesc()

int AuProcessGetFileDesc ( AuProcess *  proc )

extern

AuProcessWaitForTermination()

void AuProcessWaitForTermination ( AuProcess *  proc, int  pid  )

extern

AuRemoveProcess()

void AuRemoveProcess ( AuProcess *  parent, AuProcess *  proc  )

extern

AuStartRootProc()

void AuStartRootProc ( )

extern

CreateKernelStack()

uint64_t CreateKernelStack ( AuProcess *  proc, uint64_t *  cr3  )

extern

CreateUserStack()

uint64_t * CreateUserStack ( AuProcess *  proc, uint64_t *  cr3  )

extern

KernelStackFree()

void KernelStackFree ( AuProcess *  proc, void *  ptr, uint64_t *  cr3  )

extern