211ff0c67e
don't hold fd table lock across idecref() (latter does block i/o) idecref calls iput() in case last ref -> freeing inode dir size is 512 * # blocks, so readi/writei &c work unlink deletes dirent even if ip->nlink > 0
126 lines
2.9 KiB
C
126 lines
2.9 KiB
C
// kalloc.c
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char *kalloc(int n);
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void kfree(char *cp, int len);
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void kinit(void);
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// console.c
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void console_init(void);
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void cprintf(char *fmt, ...);
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void panic(char *s);
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void kbd_intr(void);
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// proc.c
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void pinit(void);
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struct proc;
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struct jmpbuf;
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void setupsegs(struct proc *);
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struct proc * copyproc(struct proc*);
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struct spinlock;
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void sleep(void *, struct spinlock *);
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void wakeup(void *);
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void scheduler(void);
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void proc_exit(void);
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int proc_kill(int);
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int proc_wait(void);
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void yield(void);
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// swtch.S
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struct jmpbuf;
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int setjmp(struct jmpbuf*);
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void longjmp(struct jmpbuf*);
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// trap.c
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void tvinit(void);
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void idtinit(void);
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// string.c
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void * memset(void *dst, int c, uint n);
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int memcmp(const void *v1, const void *v2, uint n);
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void *memmove(void *dst, const void *src, uint n);
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int strncmp(const char *p, const char *q, uint n);
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// syscall.c
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void syscall(void);
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// picirq.c
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void pic_init(void);
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// mp.c
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void mp_init(void);
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void mp_startthem(void);
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int mp_bcpu(void);
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// lapic
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extern uint *lapicaddr;
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void lapic_init(int);
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void lapic_startap(uchar, int);
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void lapic_timerinit(void);
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void lapic_timerintr(void);
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void lapic_enableintr(void);
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void lapic_disableintr(void);
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void lapic_eoi(void);
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int cpu(void);
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// ioapic
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extern uchar ioapic_id;
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void ioapic_init(void);
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void ioapic_enable (int irq, int cpu);
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// spinlock.c
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struct spinlock;
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void initlock(struct spinlock *, char *);
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void acquire(struct spinlock*);
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void release(struct spinlock*);
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int holding(struct spinlock*);
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// main.c
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void load_icode(struct proc *p, uchar *binary, uint size);
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// pipe.c
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struct pipe;
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struct fd;
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int pipe_alloc(struct fd **fd1, struct fd **fd2);
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void pipe_close(struct pipe *p, int writeable);
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int pipe_write(struct pipe *p, char *addr, int n);
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int pipe_read(struct pipe *p, char *addr, int n);
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// fd.c
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struct stat;
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void fd_init(void);
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int fd_ualloc(void);
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struct fd * fd_alloc(void);
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void fd_close(struct fd *);
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int fd_read(struct fd *fd, char *addr, int n);
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int fd_write(struct fd *fd, char *addr, int n);
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int fd_stat(struct fd *fd, struct stat *);
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void fd_incref(struct fd *fd);
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// ide.c
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void ide_init(void);
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void ide_intr(void);
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void* ide_start_rw(int diskno, uint secno, void *dst, uint nsecs, int read);
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int ide_finish(void *);
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// bio.c
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void binit(void);
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struct buf;
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struct buf * getblk(uint dev, uint sector);
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struct buf *bread(uint, uint);
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void bwrite(struct buf *, uint);
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void brelse(struct buf *);
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// fs.c
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void iinit(void);
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struct inode * iget(uint dev, uint inum);
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void ilock(struct inode *ip);
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void iunlock(struct inode *ip);
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void idecref(struct inode *ip);
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void iput(struct inode *ip);
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struct inode * namei(char *path, int, uint *);
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void stati(struct inode *ip, struct stat *st);
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int readi(struct inode *ip, char *xdst, uint off, uint n);
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int writei(struct inode *ip, char *addr, uint off, uint n);
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struct inode *mknod(char *, short, short, short);
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int unlink(char *cp);
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void iupdate (struct inode *ip);
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int link(char *file1, char *file2);
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