3a5fa7ed90
Remove I_BUSY, B_BUSY, and intrans defs and usages One spinlock per buf to avoid ugly loop in bget fix race in filewrite (don't update f->off after releasing lock)
187 lines
5.4 KiB
C
187 lines
5.4 KiB
C
struct buf;
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struct context;
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struct file;
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struct inode;
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struct pipe;
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struct proc;
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struct spinlock;
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struct sleeplock;
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struct stat;
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struct superblock;
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// bio.c
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void binit(void);
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struct buf* bread(uint, uint);
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void brelse(struct buf*);
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void bwrite(struct buf*);
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// console.c
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void consoleinit(void);
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void cprintf(char*, ...);
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void consoleintr(int(*)(void));
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void panic(char*) __attribute__((noreturn));
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// exec.c
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int exec(char*, char**);
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// file.c
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struct file* filealloc(void);
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void fileclose(struct file*);
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struct file* filedup(struct file*);
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void fileinit(void);
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int fileread(struct file*, char*, int n);
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int filestat(struct file*, struct stat*);
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int filewrite(struct file*, char*, int n);
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// fs.c
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void readsb(int dev, struct superblock *sb);
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int dirlink(struct inode*, char*, uint);
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struct inode* dirlookup(struct inode*, char*, uint*);
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struct inode* ialloc(uint, short);
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struct inode* idup(struct inode*);
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void iinit(void);
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void ilock(struct inode*);
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void iput(struct inode*);
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void iunlock(struct inode*);
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void iunlockput(struct inode*);
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void iupdate(struct inode*);
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int namecmp(const char*, const char*);
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struct inode* namei(char*);
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struct inode* nameiparent(char*, char*);
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int readi(struct inode*, char*, uint, uint);
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void stati(struct inode*, struct stat*);
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int writei(struct inode*, char*, uint, uint);
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// ide.c
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void ideinit(void);
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void ideintr(void);
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void iderw(struct buf*);
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// ioapic.c
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void ioapicenable(int irq, int cpu);
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extern uchar ioapicid;
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void ioapicinit(void);
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// kalloc.c
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char* enter_alloc(void);
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char* kalloc(void);
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void kfree(char*);
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void kinit(void);
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uint detect_memory(void);
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// kbd.c
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void kbdintr(void);
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// lapic.c
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int cpunum(void);
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extern volatile uint* lapic;
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void lapiceoi(void);
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void lapicinit(int);
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void lapicstartap(uchar, uint);
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void microdelay(int);
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// log.c
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void initlog(void);
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void log_write(struct buf*);
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void begin_trans();
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void commit_trans();
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// mp.c
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extern int ismp;
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int mpbcpu(void);
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void mpinit(void);
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void mpstartthem(void);
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// picirq.c
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void picenable(int);
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void picinit(void);
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// pipe.c
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int pipealloc(struct file**, struct file**);
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void pipeclose(struct pipe*, int);
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int piperead(struct pipe*, char*, int);
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int pipewrite(struct pipe*, char*, int);
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//PAGEBREAK: 16
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// proc.c
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struct proc* copyproc(struct proc*);
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void exit(void);
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int fork(void);
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int growproc(int);
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int kill(int);
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void pinit(void);
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void procdump(void);
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void scheduler(void) __attribute__((noreturn));
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void sched(void);
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void sleep(void*, struct spinlock*);
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void userinit(void);
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int wait(void);
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void wakeup(void*);
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void yield(void);
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// swtch.S
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void swtch(struct context**, struct context*);
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// spinlock.c
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void acquire(struct spinlock*);
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void getcallerpcs(void*, uint*);
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int holding(struct spinlock*);
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void initlock(struct spinlock*, char*);
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void release(struct spinlock*);
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void pushcli(void);
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void popcli(void);
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void initsleeplock(struct sleeplock*);
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void acquire_sleeplock(struct sleeplock*,struct spinlock*);
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void release_sleeplock(struct sleeplock*);
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int acquired_sleeplock(struct sleeplock*);
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// string.c
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int memcmp(const void*, const void*, uint);
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void* memmove(void*, const void*, uint);
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void* memset(void*, int, uint);
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char* safestrcpy(char*, const char*, int);
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int strlen(const char*);
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int strncmp(const char*, const char*, uint);
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char* strncpy(char*, const char*, int);
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// syscall.c
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int argint(int, int*);
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int argptr(int, char**, int);
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int argstr(int, char**);
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int fetchint(struct proc*, uint, int*);
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int fetchstr(struct proc*, uint, char**);
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void syscall(void);
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// timer.c
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void timerinit(void);
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// trap.c
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void idtinit(void);
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extern uint ticks;
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void tvinit(void);
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extern struct spinlock tickslock;
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// uart.c
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void uartinit(void);
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void uartintr(void);
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void uartputc(int);
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// vm.c
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void seginit(void);
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void kvmalloc(void);
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void vmenable(void);
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pde_t* setupkvm(char* (*alloc)());
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char* uva2ka(pde_t*, char*);
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int allocuvm(pde_t*, uint, uint);
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int deallocuvm(pde_t*, uint, uint);
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void freevm(pde_t*);
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void inituvm(pde_t*, char*, uint);
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int loaduvm(pde_t*, char*, struct inode*, uint, uint);
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pde_t* copyuvm(pde_t*, uint);
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void switchuvm(struct proc*);
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void switchkvm(void);
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int copyout(pde_t*, uint, void*, uint);
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// number of elements in fixed-size array
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#define NELEM(x) (sizeof(x)/sizeof((x)[0]))
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