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writeable => writable

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rsc 2006-09-06 18:06:04 +00:00
parent 48b824703b
commit d4c64e5d43
5 changed files with 11 additions and 11 deletions
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4
fd.c
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@ -58,7 +58,7 @@ fd_alloc(void)
int int
fd_write(struct fd *fd, char *addr, int n) fd_write(struct fd *fd, char *addr, int n)
{ {
if(fd->writeable == 0) if(fd->writable == 0)
return -1; return -1;
if(fd->type == FD_PIPE){ if(fd->type == FD_PIPE){
return pipe_write(fd->pipe, addr, n); return pipe_write(fd->pipe, addr, n);
@ -114,7 +114,7 @@ fd_close(struct fd *fd)
release(&fd_table_lock); release(&fd_table_lock);
if(dummy.type == FD_PIPE){ if(dummy.type == FD_PIPE){
pipe_close(dummy.pipe, dummy.writeable); pipe_close(dummy.pipe, dummy.writable);
} else if(dummy.type == FD_FILE){ } else if(dummy.type == FD_FILE){
idecref(dummy.ip); idecref(dummy.ip);
} else { } else {

2
fd.h
View file

@ -2,7 +2,7 @@ struct fd {
enum { FD_CLOSED, FD_NONE, FD_PIPE, FD_FILE } type; enum { FD_CLOSED, FD_NONE, FD_PIPE, FD_FILE } type;
int ref; // reference count int ref; // reference count
char readable; char readable;
char writeable; char writable;
struct pipe *pipe; struct pipe *pipe;
struct inode *ip; struct inode *ip;
uint off; uint off;

2
kalloc.c
View file

@ -51,7 +51,7 @@ kfree(char *cp, int len)
if(len % PAGE) if(len % PAGE)
panic("kfree"); panic("kfree");
// XXX fill with junk to help debug // Fill with junk to catch dangling refs.
for(i = 0; i < len; i++) for(i = 0; i < len; i++)
cp[i] = 1; cp[i] = 1;

8
pipe.c
View file

@ -37,11 +37,11 @@ pipe_alloc(struct fd **fd1, struct fd **fd2)
initlock(&p->lock, "pipe"); initlock(&p->lock, "pipe");
(*fd1)->type = FD_PIPE; (*fd1)->type = FD_PIPE;
(*fd1)->readable = 1; (*fd1)->readable = 1;
(*fd1)->writeable = 0; (*fd1)->writable = 0;
(*fd1)->pipe = p; (*fd1)->pipe = p;
(*fd2)->type = FD_PIPE; (*fd2)->type = FD_PIPE;
(*fd2)->readable = 0; (*fd2)->readable = 0;
(*fd2)->writeable = 1; (*fd2)->writable = 1;
(*fd2)->pipe = p; (*fd2)->pipe = p;
return 0; return 0;
oops: oops:
@ -59,11 +59,11 @@ pipe_alloc(struct fd **fd1, struct fd **fd2)
} }
void void
pipe_close(struct pipe *p, int writeable) pipe_close(struct pipe *p, int writable)
{ {
acquire(&p->lock); acquire(&p->lock);
if(writeable){ if(writable){
p->writeopen = 0; p->writeopen = 0;
wakeup(&p->readp); wakeup(&p->readp);
} else { } else {

6
syscall.c
View file

@ -260,13 +260,13 @@ sys_open(void)
fd->type = FD_FILE; fd->type = FD_FILE;
if(arg1 & O_RDWR) { if(arg1 & O_RDWR) {
fd->readable = 1; fd->readable = 1;
fd->writeable = 1; fd->writable = 1;
} else if(arg1 & O_WRONLY) { } else if(arg1 & O_WRONLY) {
fd->readable = 0; fd->readable = 0;
fd->writeable = 1; fd->writable = 1;
} else { } else {
fd->readable = 1; fd->readable = 1;
fd->writeable = 0; fd->writable = 0;
} }
fd->ip = ip; fd->ip = ip;
fd->off = 0; fd->off = 0;