112 lines
2.1 KiB
C
112 lines
2.1 KiB
C
#ifndef PROC_PROC_H_
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#define PROC_PROC_H_
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#include <stdint.h>
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#include "hal/hal.h"
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#include "spinlock/spinlock.h"
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#include "bitmap/bitmap.h"
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#include "vfs/vfs.h"
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#include "ipc/pipe/pipe.h"
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#include "sysdefs/processctl.h"
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#include "dev/dev.h"
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#define PROC_NAME_MAX 0x100
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#define PROC_STACKBLOCKS (1024*2)
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#define PROC_STACKSIZE (PROC_STACKBLOCKS * BITMAP_BLOCK_SIZE)
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#define PROC_MAX 0x100 // max amount of processes
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#define PROC_VFSHANDLES_MAX 0x80
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#define PROC_PIPEHANDLES_MAX 0x20
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#define PROC_DEVHANDLES_MAX 0x20
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#define PROC_MMAN_MAP_BASE 0x0000100000000000ULL
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#define PROC_USER_STACK_TOP 0x00007FFFFFFFF000ULL
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typedef struct {
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IntrStackFrame trapframe;
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uint8_t *kstack;
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uint8_t *pstack;
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uint64_t cr3;
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} ProcPlatformData;
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enum {
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PROC_EMBRYO = 0,
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PROC_READY = 1,
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PROC_ZOMBIE = 2,
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PROC_WAITING = 3,
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PROC_DIED = 4,
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};
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typedef struct ProcArg {
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struct ProcArg *next;
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char string[PROC_ARG_MAX];
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} ProcArg;
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typedef struct Proc {
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struct Proc *next;
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uint64_t pid;
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char name[PROC_NAME_MAX];
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ProcPlatformData platformdata;
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uint8_t state;
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VasRange *vas;
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bool kern;
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VfsObj *vobjs[PROC_VFSHANDLES_MAX];
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uint64_t vobjcnt;
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IpcPipe *pipes[PROC_PIPEHANDLES_MAX];
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SpinLock pipes_spinlock;
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struct {
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IpcPipe *list;
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SpinLock spinlock;
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} bcast_pipes;
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Dev *devs[PROC_DEVHANDLES_MAX];
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SpinLock devs_spinlock;
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struct {
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ProcArg *list;
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size_t len;
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} procargs;
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uint64_t mman_map_base;
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} Proc;
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typedef struct {
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SpinLock spinlock;
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Proc *procs;
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Proc *current;
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} Procs;
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extern Procs PROCS;
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void proc_init(void);
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void proc_register(Proc *proc);
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Proc *proc_spawnkern(void (*ent)(void), char *name);
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Proc *proc_spawnuser(char *mountpoint, char *path);
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void proc_sched(void *cpustate);
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void proc_killself(void);
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void proc_kill(Proc *proc);
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#define PROC_DIE() \
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do { \
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proc_killself(); \
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for(;;); \
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} while(0)
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#define PROC_ARG(proc, str) \
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do { \
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ProcArg *__arg = dlmalloc(sizeof(*__arg)); \
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hal_strcpy(__arg->string, (str)); \
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LL_APPEND((proc)->procargs.list, __arg); \
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(proc)->procargs.len++; \
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} while(0)
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#endif // PROC_PROC_H_
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