unix/fs.c: Apply macro magic, implement symlink, link, chown, fchown

This commit is contained in:
Ryan Dahl 2011-09-01 17:12:31 -07:00
parent 9f932f92cf
commit b47fa77eb5

View File

@ -31,6 +31,33 @@
#include <errno.h>
#include <fcntl.h>
#include <unistd.h>
#include <utime.h>
#define ARGS1(a) (a)
#define ARGS2(a,b) (a), (b)
#define ARGS3(a,b,c) (a), (b), (c)
#define ARGS4(a,b,c,d) (a), (b), (c), (d)
#define WRAP_EIO(type, eiofunc, func, args) \
uv_fs_req_init(loop, req, type, cb); \
if (cb) { \
/* async */ \
uv_ref(loop); \
req->eio = eiofunc(args, EIO_PRI_DEFAULT, uv__fs_after, req); \
if (!req->eio) { \
uv_err_new(loop, ENOMEM); \
return -1; \
} \
} else { \
/* sync */ \
req->result = func(args); \
if (req->result) { \
uv_err_new(loop, errno); \
return -1; \
} \
} \
return 0;
static void uv_fs_req_init(uv_loop_t* loop, uv_fs_t* req, uv_fs_type fs_type,
@ -122,24 +149,7 @@ static int uv__fs_after(eio_req* eio) {
int uv_fs_close(uv_loop_t* loop, uv_fs_t* req, uv_file file, uv_fs_cb cb) {
uv_fs_req_init(loop, req, UV_FS_CLOSE, cb);
if (cb) {
/* async */
uv_ref(loop);
req->eio = eio_close(file, EIO_PRI_DEFAULT, uv__fs_after, req);
if (!req->eio) {
uv_err_new(loop, ENOMEM);
return -1;
}
} else {
/* sync */
if ((req->result = uv__close(file))) {
uv_err_new(loop, errno);
return -1;
}
}
return 0;
WRAP_EIO(UV_FS_CLOSE, eio_close, close, ARGS1(file));
}
@ -203,28 +213,7 @@ int uv_fs_read(uv_loop_t* loop, uv_fs_t* req, uv_file fd, void* buf,
int uv_fs_unlink(uv_loop_t* loop, uv_fs_t* req, const char* path, uv_fs_cb cb) {
uv_fs_req_init(loop, req, UV_FS_UNLINK, cb);
if (cb) {
/* async */
uv_ref(loop);
req->eio = eio_unlink(path, EIO_PRI_DEFAULT, uv__fs_after, req);
if (!req->eio) {
uv_err_new(loop, ENOMEM);
return -1;
}
} else {
/* sync */
req->result = unlink(path);
if (req->result) {
uv_err_new(loop, errno);
return -1;
}
}
return 0;
WRAP_EIO(UV_FS_UNLINK, eio_unlink, unlink, ARGS1(path))
}
@ -260,54 +249,12 @@ int uv_fs_write(uv_loop_t* loop, uv_fs_t* req, uv_file file, void* buf,
int uv_fs_mkdir(uv_loop_t* loop, uv_fs_t* req, const char* path, int mode,
uv_fs_cb cb) {
uv_fs_req_init(loop, req, UV_FS_MKDIR, cb);
if (cb) {
/* async */
uv_ref(loop);
req->eio = eio_mkdir(path, mode, EIO_PRI_DEFAULT, uv__fs_after, req);
if (!req->eio) {
uv_err_new(loop, ENOMEM);
return -1;
}
} else {
/* sync */
req->result = mkdir(path, mode);
if (req->result < 0) {
uv_err_new(loop, errno);
return -1;
}
}
return 0;
WRAP_EIO(UV_FS_MKDIR, eio_mkdir, mkdir, ARGS2(path, mode))
}
int uv_fs_rmdir(uv_loop_t* loop, uv_fs_t* req, const char* path, uv_fs_cb cb) {
uv_fs_req_init(loop, req, UV_FS_RMDIR, cb);
if (cb) {
/* async */
uv_ref(loop);
req->eio = eio_rmdir(path, EIO_PRI_DEFAULT, uv__fs_after, req);
if (!req->eio) {
uv_err_new(loop, ENOMEM);
return -1;
}
} else {
/* sync */
req->result = rmdir(path);
if (req->result < 0) {
uv_err_new(loop, errno);
return -1;
}
}
return 0;
WRAP_EIO(UV_FS_RMDIR, eio_rmdir, rmdir, ARGS1(path))
}
@ -436,162 +383,36 @@ int uv_fs_fstat(uv_loop_t* loop, uv_fs_t* req, uv_file file, uv_fs_cb cb) {
int uv_fs_rename(uv_loop_t* loop, uv_fs_t* req, const char* path, const char* new_path,
uv_fs_cb cb) {
uv_fs_req_init(loop, req, UV_FS_RENAME, cb);
if (cb) {
/* async */
uv_ref(loop);
req->eio = eio_rename(path, new_path, EIO_PRI_DEFAULT, uv__fs_after, req);
if (!req->eio) {
uv_err_new(loop, ENOMEM);
return -1;
}
} else {
/* sync */
req->result = rename(path, new_path);
if (req->result) {
uv_err_new(loop, errno);
return -1;
}
}
return 0;
WRAP_EIO(UV_FS_RENAME, eio_rename, rename, ARGS2(path, new_path))
}
int uv_fs_fsync(uv_loop_t* loop, uv_fs_t* req, uv_file file, uv_fs_cb cb) {
uv_fs_req_init(loop, req, UV_FS_FSYNC, cb);
if (cb) {
/* async */
uv_ref(loop);
req->eio = eio_fsync(file, EIO_PRI_DEFAULT, uv__fs_after, req);
if (!req->eio) {
uv_err_new(loop, ENOMEM);
return -1;
}
} else {
/* sync */
req->result = fsync(file);
if (req->result) {
uv_err_new(loop, errno);
return -1;
}
}
return 0;
WRAP_EIO(UV_FS_FSYNC, eio_fsync, fsync, ARGS1(file))
}
int uv_fs_fdatasync(uv_loop_t* loop, uv_fs_t* req, uv_file file, uv_fs_cb cb) {
uv_fs_req_init(loop, req, UV_FS_FDATASYNC, cb);
if (cb) {
/* async */
uv_ref(loop);
req->eio = eio_fdatasync(file, EIO_PRI_DEFAULT, uv__fs_after, req);
if (!req->eio) {
uv_err_new(loop, ENOMEM);
return -1;
}
} else {
/* sync */
req->result = fdatasync(file);
if (req->result) {
uv_err_new(loop, errno);
return -1;
}
}
return 0;
WRAP_EIO(UV_FS_FDATASYNC, eio_fdatasync, fdatasync, ARGS1(file))
}
int uv_fs_ftruncate(uv_loop_t* loop, uv_fs_t* req, uv_file file, off_t offset,
uv_fs_cb cb) {
uv_fs_req_init(loop, req, UV_FS_FTRUNCATE, cb);
if (cb) {
/* async */
uv_ref(loop);
req->eio = eio_ftruncate(file, offset, EIO_PRI_DEFAULT, uv__fs_after, req);
if (!req->eio) {
uv_err_new(loop, ENOMEM);
return -1;
}
} else {
/* sync */
req->result = ftruncate(file, offset);
if (req->result) {
uv_err_new(loop, errno);
return -1;
}
}
return 0;
WRAP_EIO(UV_FS_FTRUNCATE, eio_ftruncate, ftruncate, ARGS2(file, offset))
}
int uv_fs_sendfile(uv_loop_t* loop, uv_fs_t* req, uv_file out_fd, uv_file in_fd,
off_t in_offset, size_t length, uv_fs_cb cb) {
uv_fs_req_init(loop, req, UV_FS_SENDFILE, cb);
if (cb) {
/* async */
uv_ref(loop);
req->eio = eio_sendfile(out_fd, in_fd, in_offset, length, EIO_PRI_DEFAULT,
uv__fs_after, req);
if (!req->eio) {
uv_err_new(loop, ENOMEM);
return -1;
}
} else {
/* sync */
req->result = eio_sendfile_sync(out_fd, in_fd, in_offset, length);
if (req->result) {
uv_err_new(loop, errno);
return -1;
}
}
return 0;
WRAP_EIO(UV_FS_SENDFILE, eio_sendfile, eio_sendfile_sync,
ARGS4(out_fd, in_fd, in_offset, length))
}
int uv_fs_chmod(uv_loop_t* loop, uv_fs_t* req, const char* path, int mode,
uv_fs_cb cb) {
uv_fs_req_init(loop, req, UV_FS_CHMOD, cb);
if (cb) {
/* async */
uv_ref(loop);
req->eio = eio_chmod(path, mode, EIO_PRI_DEFAULT, uv__fs_after, req);
if (!req->eio) {
uv_err_new(loop, ENOMEM);
return -1;
}
} else {
/* sync */
req->result = chmod(path, mode);
if (req->result) {
uv_err_new(loop, errno);
return -1;
}
}
return 0;
WRAP_EIO(UV_FS_CHMOD, eio_chmod, chmod, ARGS2(path, mode))
}
@ -657,15 +478,13 @@ int uv_fs_lstat(uv_loop_t* loop, uv_fs_t* req, const char* path, uv_fs_cb cb) {
int uv_fs_link(uv_loop_t* loop, uv_fs_t* req, const char* path,
const char* new_path, uv_fs_cb cb) {
assert(0 && "implement me");
return -1;
WRAP_EIO(UV_FS_LINK, eio_link, link, ARGS2(path, new_path))
}
int uv_fs_symlink(uv_loop_t* loop, uv_fs_t* req, const char* path,
const char* new_path, uv_fs_cb cb) {
assert(0 && "implement me");
return -1;
WRAP_EIO(UV_FS_SYMLINK, eio_symlink, symlink, ARGS2(path, new_path))
}
@ -678,42 +497,19 @@ int uv_fs_readlink(uv_loop_t* loop, uv_fs_t* req, const char* path,
int uv_fs_fchmod(uv_loop_t* loop, uv_fs_t* req, uv_file file, int mode,
uv_fs_cb cb) {
uv_fs_req_init(loop, req, UV_FS_FCHMOD, cb);
if (cb) {
/* async */
uv_ref(loop);
req->eio = eio_fchmod(file, mode, EIO_PRI_DEFAULT, uv__fs_after, req);
if (!req->eio) {
uv_err_new(loop, ENOMEM);
return -1;
}
} else {
/* sync */
req->result = fchmod(file, mode);
if (req->result) {
uv_err_new(loop, errno);
return -1;
}
}
return 0;
WRAP_EIO(UV_FS_FCHMOD, eio_fchmod, fchmod, ARGS2(file, mode))
}
int uv_fs_chown(uv_loop_t* loop, uv_fs_t* req, const char* path, int uid,
int gid, uv_fs_cb cb) {
assert(0 && "implement me");
return -1;
WRAP_EIO(UV_FS_CHOWN, eio_chown, chown, ARGS3(path, uid, gid))
}
int uv_fs_fchown(uv_loop_t* loop, uv_fs_t* req, uv_file file, int uid, int gid,
uv_fs_cb cb) {
assert(0 && "implement me");
return -1;
WRAP_EIO(UV_FS_FCHOWN, eio_fchown, fchown, ARGS3(file, uid, gid))
}