31,7 → 31,7 |
*/ |
/** @file |
*/ |
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#include <vfs/vfs.h> |
#include <vfs/canonify.h> |
#include <stdlib.h> |
57,7 → 57,7 |
futex_t cwd_futex = FUTEX_INITIALIZER; |
DIR *cwd_dir = NULL; |
char *cwd_path = NULL; |
size_t cwd_len = 0; |
size_t cwd_len = 0; |
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char *absolutize(const char *path, size_t *retlen) |
{ |
109,34 → 109,39 |
return ncwd_path; |
} |
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static int vfs_connect(void) |
static void vfs_connect(void) |
{ |
if (vfs_phone < 0) |
vfs_phone = ipc_connect_me_to(PHONE_NS, SERVICE_VFS, 0, 0); |
return vfs_phone; |
while (vfs_phone < 0) |
vfs_phone = ipc_connect_me_to_blocking(PHONE_NS, SERVICE_VFS, 0, 0); |
} |
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static int device_get_handle(const char *name, dev_handle_t *handle) |
static int device_get_handle(const char *name, dev_handle_t *handle, |
const unsigned int flags) |
{ |
int phone = ipc_connect_me_to(PHONE_NS, SERVICE_DEVMAP, DEVMAP_CLIENT, |
0); |
int phone; |
|
if (flags & IPC_FLAG_BLOCKING) |
phone = ipc_connect_me_to_blocking(PHONE_NS, SERVICE_DEVMAP, DEVMAP_CLIENT, 0); |
else |
phone = ipc_connect_me_to(PHONE_NS, SERVICE_DEVMAP, DEVMAP_CLIENT, 0); |
|
if (phone < 0) |
return phone; |
|
ipc_call_t answer; |
aid_t req = async_send_2(phone, DEVMAP_DEVICE_GET_HANDLE, 0, 0, |
aid_t req = async_send_2(phone, DEVMAP_DEVICE_GET_HANDLE, flags, 0, |
&answer); |
|
ipcarg_t retval = ipc_data_write_start(phone, name, strlen(name) + 1); |
|
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if (retval != EOK) { |
async_wait_for(req, NULL); |
ipc_hangup(phone); |
return retval; |
} |
|
|
async_wait_for(req, &retval); |
|
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if (handle != NULL) |
*handle = -1; |
|
149,7 → 154,8 |
return retval; |
} |
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int mount(const char *fs_name, const char *mp, const char *dev) |
int mount(const char *fs_name, const char *mp, const char *dev, |
const unsigned int flags) |
{ |
int res; |
ipcarg_t rc; |
156,7 → 162,7 |
aid_t req; |
dev_handle_t dev_handle; |
|
res = device_get_handle(dev, &dev_handle); |
res = device_get_handle(dev, &dev_handle, flags); |
if (res != EOK) |
return res; |
|
164,20 → 170,13 |
char *mpa = absolutize(mp, &mpa_len); |
if (!mpa) |
return ENOMEM; |
|
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futex_down(&vfs_phone_futex); |
async_serialize_start(); |
if (vfs_phone < 0) { |
res = vfs_connect(); |
if (res < 0) { |
async_serialize_end(); |
futex_up(&vfs_phone_futex); |
free(mpa); |
return res; |
} |
} |
req = async_send_1(vfs_phone, VFS_MOUNT, dev_handle, NULL); |
rc = ipc_data_write_start(vfs_phone, (void *)fs_name, strlen(fs_name)); |
vfs_connect(); |
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req = async_send_2(vfs_phone, VFS_MOUNT, dev_handle, flags, NULL); |
rc = ipc_data_write_start(vfs_phone, (void *) mpa, mpa_len); |
if (rc != EOK) { |
async_wait_for(req, NULL); |
async_serialize_end(); |
185,8 → 184,8 |
free(mpa); |
return (int) rc; |
} |
/* Ask VFS whether it likes fs_name. */ |
rc = async_req_0_0(vfs_phone, IPC_M_PING); |
|
rc = ipc_data_write_start(vfs_phone, (void *) fs_name, strlen(fs_name)); |
if (rc != EOK) { |
async_wait_for(req, NULL); |
async_serialize_end(); |
194,24 → 193,17 |
free(mpa); |
return (int) rc; |
} |
rc = ipc_data_write_start(vfs_phone, (void *)mpa, mpa_len); |
if (rc != EOK) { |
async_wait_for(req, NULL); |
async_serialize_end(); |
futex_up(&vfs_phone_futex); |
free(mpa); |
return (int) rc; |
} |
|
async_wait_for(req, &rc); |
async_serialize_end(); |
futex_up(&vfs_phone_futex); |
free(mpa); |
|
return (int) rc; |
} |
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static int _open(const char *path, int lflag, int oflag, ...) |
{ |
int res; |
ipcarg_t rc; |
ipc_call_t answer; |
aid_t req; |
223,15 → 215,8 |
|
futex_down(&vfs_phone_futex); |
async_serialize_start(); |
if (vfs_phone < 0) { |
res = vfs_connect(); |
if (res < 0) { |
async_serialize_end(); |
futex_up(&vfs_phone_futex); |
free(pa); |
return res; |
} |
} |
vfs_connect(); |
|
req = async_send_3(vfs_phone, VFS_OPEN, lflag, oflag, 0, &answer); |
rc = ipc_data_write_start(vfs_phone, pa, pa_len); |
if (rc != EOK) { |
258,22 → 243,14 |
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int close(int fildes) |
{ |
int res; |
ipcarg_t rc; |
|
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futex_down(&vfs_phone_futex); |
async_serialize_start(); |
if (vfs_phone < 0) { |
res = vfs_connect(); |
if (res < 0) { |
async_serialize_end(); |
futex_up(&vfs_phone_futex); |
return res; |
} |
} |
|
vfs_connect(); |
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rc = async_req_1_0(vfs_phone, VFS_CLOSE, fildes); |
|
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async_serialize_end(); |
futex_up(&vfs_phone_futex); |
|
282,7 → 259,6 |
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ssize_t read(int fildes, void *buf, size_t nbyte) |
{ |
int res; |
ipcarg_t rc; |
ipc_call_t answer; |
aid_t req; |
289,14 → 265,8 |
|
futex_down(&vfs_phone_futex); |
async_serialize_start(); |
if (vfs_phone < 0) { |
res = vfs_connect(); |
if (res < 0) { |
async_serialize_end(); |
futex_up(&vfs_phone_futex); |
return res; |
} |
} |
vfs_connect(); |
|
req = async_send_1(vfs_phone, VFS_READ, fildes, &answer); |
rc = ipc_data_read_start(vfs_phone, (void *)buf, nbyte); |
if (rc != EOK) { |
316,7 → 286,6 |
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ssize_t write(int fildes, const void *buf, size_t nbyte) |
{ |
int res; |
ipcarg_t rc; |
ipc_call_t answer; |
aid_t req; |
323,14 → 292,8 |
|
futex_down(&vfs_phone_futex); |
async_serialize_start(); |
if (vfs_phone < 0) { |
res = vfs_connect(); |
if (res < 0) { |
async_serialize_end(); |
futex_up(&vfs_phone_futex); |
return res; |
} |
} |
vfs_connect(); |
|
req = async_send_1(vfs_phone, VFS_WRITE, fildes, &answer); |
rc = ipc_data_write_start(vfs_phone, (void *)buf, nbyte); |
if (rc != EOK) { |
350,20 → 313,12 |
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off_t lseek(int fildes, off_t offset, int whence) |
{ |
int res; |
ipcarg_t rc; |
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futex_down(&vfs_phone_futex); |
async_serialize_start(); |
if (vfs_phone < 0) { |
res = vfs_connect(); |
if (res < 0) { |
async_serialize_end(); |
futex_up(&vfs_phone_futex); |
return res; |
} |
} |
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vfs_connect(); |
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ipcarg_t newoffs; |
rc = async_req_3_1(vfs_phone, VFS_SEEK, fildes, offset, whence, |
&newoffs); |
379,19 → 334,12 |
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int ftruncate(int fildes, off_t length) |
{ |
int res; |
ipcarg_t rc; |
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futex_down(&vfs_phone_futex); |
async_serialize_start(); |
if (vfs_phone < 0) { |
res = vfs_connect(); |
if (res < 0) { |
async_serialize_end(); |
futex_up(&vfs_phone_futex); |
return res; |
} |
} |
vfs_connect(); |
|
rc = async_req_2_0(vfs_phone, VFS_TRUNCATE, fildes, length); |
async_serialize_end(); |
futex_up(&vfs_phone_futex); |
433,7 → 381,6 |
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int mkdir(const char *path, mode_t mode) |
{ |
int res; |
ipcarg_t rc; |
aid_t req; |
|
441,18 → 388,11 |
char *pa = absolutize(path, &pa_len); |
if (!pa) |
return ENOMEM; |
|
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futex_down(&vfs_phone_futex); |
async_serialize_start(); |
if (vfs_phone < 0) { |
res = vfs_connect(); |
if (res < 0) { |
async_serialize_end(); |
futex_up(&vfs_phone_futex); |
free(pa); |
return res; |
} |
} |
vfs_connect(); |
|
req = async_send_1(vfs_phone, VFS_MKDIR, mode, NULL); |
rc = ipc_data_write_start(vfs_phone, pa, pa_len); |
if (rc != EOK) { |
471,7 → 411,6 |
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static int _unlink(const char *path, int lflag) |
{ |
int res; |
ipcarg_t rc; |
aid_t req; |
|
482,15 → 421,8 |
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futex_down(&vfs_phone_futex); |
async_serialize_start(); |
if (vfs_phone < 0) { |
res = vfs_connect(); |
if (res < 0) { |
async_serialize_end(); |
futex_up(&vfs_phone_futex); |
free(pa); |
return res; |
} |
} |
vfs_connect(); |
|
req = async_send_0(vfs_phone, VFS_UNLINK, NULL); |
rc = ipc_data_write_start(vfs_phone, pa, pa_len); |
if (rc != EOK) { |
519,7 → 451,6 |
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int rename(const char *old, const char *new) |
{ |
int res; |
ipcarg_t rc; |
aid_t req; |
|
537,16 → 468,8 |
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futex_down(&vfs_phone_futex); |
async_serialize_start(); |
if (vfs_phone < 0) { |
res = vfs_connect(); |
if (res < 0) { |
async_serialize_end(); |
futex_up(&vfs_phone_futex); |
free(olda); |
free(newa); |
return res; |
} |
} |
vfs_connect(); |
|
req = async_send_0(vfs_phone, VFS_RENAME, NULL); |
rc = ipc_data_write_start(vfs_phone, olda, olda_len); |
if (rc != EOK) { |