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1 | /* |
1 | /* |
2 | * Copyright (c) 2008 Jakub Jermar |
2 | * Copyright (c) 2008 Jakub Jermar |
3 | * All rights reserved. |
3 | * All rights reserved. |
4 | * |
4 | * |
5 | * Redistribution and use in source and binary forms, with or without |
5 | * Redistribution and use in source and binary forms, with or without |
6 | * modification, are permitted provided that the following conditions |
6 | * modification, are permitted provided that the following conditions |
7 | * are met: |
7 | * are met: |
8 | * |
8 | * |
9 | * - Redistributions of source code must retain the above copyright |
9 | * - Redistributions of source code must retain the above copyright |
10 | * notice, this list of conditions and the following disclaimer. |
10 | * notice, this list of conditions and the following disclaimer. |
11 | * - Redistributions in binary form must reproduce the above copyright |
11 | * - Redistributions in binary form must reproduce the above copyright |
12 | * notice, this list of conditions and the following disclaimer in the |
12 | * notice, this list of conditions and the following disclaimer in the |
13 | * documentation and/or other materials provided with the distribution. |
13 | * documentation and/or other materials provided with the distribution. |
14 | * - The name of the author may not be used to endorse or promote products |
14 | * - The name of the author may not be used to endorse or promote products |
15 | * derived from this software without specific prior written permission. |
15 | * derived from this software without specific prior written permission. |
16 | * |
16 | * |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | */ |
27 | */ |
28 | 28 | ||
29 | /** @addtogroup libc |
29 | /** @addtogroup libc |
30 | * @{ |
30 | * @{ |
31 | */ |
31 | */ |
32 | /** @file |
32 | /** @file |
33 | */ |
33 | */ |
34 | 34 | ||
35 | #include <vfs.h> |
35 | #include <vfs.h> |
36 | #include <stdlib.h> |
36 | #include <stdlib.h> |
37 | #include <unistd.h> |
37 | #include <unistd.h> |
38 | #include <dirent.h> |
38 | #include <dirent.h> |
39 | #include <fcntl.h> |
39 | #include <fcntl.h> |
40 | #include <sys/stat.h> |
40 | #include <sys/stat.h> |
41 | #include <sys/types.h> |
41 | #include <sys/types.h> |
42 | #include <ipc/ipc.h> |
42 | #include <ipc/ipc.h> |
43 | #include <ipc/services.h> |
43 | #include <ipc/services.h> |
44 | #include <async.h> |
44 | #include <async.h> |
45 | #include <atomic.h> |
45 | #include <atomic.h> |
46 | #include <futex.h> |
46 | #include <futex.h> |
47 | #include <errno.h> |
47 | #include <errno.h> |
48 | #include <string.h> |
48 | #include <string.h> |
49 | #include "../../srv/vfs/vfs.h" |
49 | #include "../../srv/vfs/vfs.h" |
50 | 50 | ||
51 | int vfs_phone = -1; |
51 | int vfs_phone = -1; |
52 | atomic_t vfs_phone_futex = FUTEX_INITIALIZER; |
52 | atomic_t vfs_phone_futex = FUTEX_INITIALIZER; |
53 | 53 | ||
54 | static int vfs_connect(void) |
54 | static int vfs_connect(void) |
55 | { |
55 | { |
56 | if (vfs_phone < 0) |
56 | if (vfs_phone < 0) |
57 | vfs_phone = ipc_connect_me_to(PHONE_NS, SERVICE_VFS, 0, 0); |
57 | vfs_phone = ipc_connect_me_to(PHONE_NS, SERVICE_VFS, 0, 0); |
58 | return vfs_phone; |
58 | return vfs_phone; |
59 | } |
59 | } |
60 | 60 | ||
61 | int mount(const char *fs_name, const char *mp, const char *dev) |
61 | int mount(const char *fs_name, const char *mp, const char *dev) |
62 | { |
62 | { |
63 | int res; |
63 | int res; |
64 | ipcarg_t rc; |
64 | ipcarg_t rc; |
65 | aid_t req; |
65 | aid_t req; |
66 | 66 | ||
67 | int dev_handle = 0; /* TODO */ |
67 | int dev_handle = 0; /* TODO */ |
68 | 68 | ||
69 | futex_down(&vfs_phone_futex); |
69 | futex_down(&vfs_phone_futex); |
70 | async_serialize_start(); |
70 | async_serialize_start(); |
71 | if (vfs_phone < 0) { |
71 | if (vfs_phone < 0) { |
72 | res = vfs_connect(); |
72 | res = vfs_connect(); |
73 | if (res < 0) { |
73 | if (res < 0) { |
74 | async_serialize_end(); |
74 | async_serialize_end(); |
75 | futex_up(&vfs_phone_futex); |
75 | futex_up(&vfs_phone_futex); |
76 | return res; |
76 | return res; |
77 | } |
77 | } |
78 | } |
78 | } |
79 | req = async_send_1(vfs_phone, VFS_MOUNT, dev_handle, NULL); |
79 | req = async_send_1(vfs_phone, VFS_MOUNT, dev_handle, NULL); |
80 | rc = ipc_data_write_start(vfs_phone, (void *)fs_name, strlen(fs_name)); |
80 | rc = ipc_data_write_start(vfs_phone, (void *)fs_name, strlen(fs_name)); |
81 | if (rc != EOK) { |
81 | if (rc != EOK) { |
82 | async_wait_for(req, NULL); |
82 | async_wait_for(req, NULL); |
83 | async_serialize_end(); |
83 | async_serialize_end(); |
84 | futex_up(&vfs_phone_futex); |
84 | futex_up(&vfs_phone_futex); |
85 | return (int) rc; |
85 | return (int) rc; |
86 | } |
86 | } |
87 | rc = ipc_data_write_start(vfs_phone, (void *)mp, strlen(mp)); |
87 | rc = ipc_data_write_start(vfs_phone, (void *)mp, strlen(mp)); |
88 | if (rc != EOK) { |
88 | if (rc != EOK) { |
89 | async_wait_for(req, NULL); |
89 | async_wait_for(req, NULL); |
90 | async_serialize_end(); |
90 | async_serialize_end(); |
91 | futex_up(&vfs_phone_futex); |
91 | futex_up(&vfs_phone_futex); |
92 | return (int) rc; |
92 | return (int) rc; |
93 | } |
93 | } |
94 | async_wait_for(req, &rc); |
94 | async_wait_for(req, &rc); |
95 | async_serialize_end(); |
95 | async_serialize_end(); |
96 | futex_up(&vfs_phone_futex); |
96 | futex_up(&vfs_phone_futex); |
97 | return (int) rc; |
97 | return (int) rc; |
98 | } |
98 | } |
99 | 99 | ||
100 | static int _open(const char *path, int lflag, int oflag, ...) |
100 | static int _open(const char *path, int lflag, int oflag, ...) |
101 | { |
101 | { |
102 | int res; |
102 | int res; |
103 | ipcarg_t rc; |
103 | ipcarg_t rc; |
104 | ipc_call_t answer; |
104 | ipc_call_t answer; |
105 | aid_t req; |
105 | aid_t req; |
106 | 106 | ||
107 | futex_down(&vfs_phone_futex); |
107 | futex_down(&vfs_phone_futex); |
108 | async_serialize_start(); |
108 | async_serialize_start(); |
109 | if (vfs_phone < 0) { |
109 | if (vfs_phone < 0) { |
110 | res = vfs_connect(); |
110 | res = vfs_connect(); |
111 | if (res < 0) { |
111 | if (res < 0) { |
112 | async_serialize_end(); |
112 | async_serialize_end(); |
113 | futex_up(&vfs_phone_futex); |
113 | futex_up(&vfs_phone_futex); |
114 | return res; |
114 | return res; |
115 | } |
115 | } |
116 | } |
116 | } |
117 | req = async_send_3(vfs_phone, VFS_OPEN, lflag, oflag, 0, &answer); |
117 | req = async_send_3(vfs_phone, VFS_OPEN, lflag, oflag, 0, &answer); |
118 | rc = ipc_data_write_start(vfs_phone, path, strlen(path)); |
118 | rc = ipc_data_write_start(vfs_phone, path, strlen(path)); |
119 | if (rc != EOK) { |
119 | if (rc != EOK) { |
120 | async_wait_for(req, NULL); |
120 | async_wait_for(req, NULL); |
121 | async_serialize_end(); |
121 | async_serialize_end(); |
122 | futex_up(&vfs_phone_futex); |
122 | futex_up(&vfs_phone_futex); |
123 | return (int) rc; |
123 | return (int) rc; |
124 | } |
124 | } |
125 | async_wait_for(req, &rc); |
125 | async_wait_for(req, &rc); |
126 | async_serialize_end(); |
126 | async_serialize_end(); |
127 | futex_up(&vfs_phone_futex); |
127 | futex_up(&vfs_phone_futex); |
128 | return (int) IPC_GET_ARG1(answer); |
128 | return (int) IPC_GET_ARG1(answer); |
129 | } |
129 | } |
130 | 130 | ||
131 | int open(const char *path, int oflag, ...) |
131 | int open(const char *path, int oflag, ...) |
132 | { |
132 | { |
133 | return _open(path, L_FILE, oflag); |
133 | return _open(path, L_FILE, oflag); |
134 | } |
134 | } |
135 | 135 | ||
136 | int close(int fildes) |
136 | int close(int fildes) |
137 | { |
137 | { |
138 | int res; |
138 | int res; |
139 | ipcarg_t rc; |
139 | ipcarg_t rc; |
140 | 140 | ||
141 | futex_down(&vfs_phone_futex); |
141 | futex_down(&vfs_phone_futex); |
142 | async_serialize_start(); |
142 | async_serialize_start(); |
143 | if (vfs_phone < 0) { |
143 | if (vfs_phone < 0) { |
144 | res = vfs_connect(); |
144 | res = vfs_connect(); |
145 | if (res < 0) { |
145 | if (res < 0) { |
146 | async_serialize_end(); |
146 | async_serialize_end(); |
147 | futex_up(&vfs_phone_futex); |
147 | futex_up(&vfs_phone_futex); |
148 | return res; |
148 | return res; |
149 | } |
149 | } |
150 | } |
150 | } |
151 | 151 | ||
152 | rc = async_req_1_0(vfs_phone, VFS_CLOSE, fildes); |
152 | rc = async_req_1_0(vfs_phone, VFS_CLOSE, fildes); |
153 | 153 | ||
154 | async_serialize_end(); |
154 | async_serialize_end(); |
155 | futex_up(&vfs_phone_futex); |
155 | futex_up(&vfs_phone_futex); |
156 | 156 | ||
157 | return (int)rc; |
157 | return (int)rc; |
158 | } |
158 | } |
159 | 159 | ||
160 | ssize_t read(int fildes, void *buf, size_t nbyte) |
160 | ssize_t read(int fildes, void *buf, size_t nbyte) |
161 | { |
161 | { |
162 | int res; |
162 | int res; |
163 | ipcarg_t rc; |
163 | ipcarg_t rc; |
164 | ipc_call_t answer; |
164 | ipc_call_t answer; |
165 | aid_t req; |
165 | aid_t req; |
166 | 166 | ||
167 | futex_down(&vfs_phone_futex); |
167 | futex_down(&vfs_phone_futex); |
168 | async_serialize_start(); |
168 | async_serialize_start(); |
169 | if (vfs_phone < 0) { |
169 | if (vfs_phone < 0) { |
170 | res = vfs_connect(); |
170 | res = vfs_connect(); |
171 | if (res < 0) { |
171 | if (res < 0) { |
172 | async_serialize_end(); |
172 | async_serialize_end(); |
173 | futex_up(&vfs_phone_futex); |
173 | futex_up(&vfs_phone_futex); |
174 | return res; |
174 | return res; |
175 | } |
175 | } |
176 | } |
176 | } |
177 | req = async_send_1(vfs_phone, VFS_READ, fildes, &answer); |
177 | req = async_send_1(vfs_phone, VFS_READ, fildes, &answer); |
178 | if (ipc_data_read_start(vfs_phone, (void *)buf, nbyte) != EOK) { |
178 | if (ipc_data_read_start(vfs_phone, (void *)buf, nbyte) != EOK) { |
179 | async_wait_for(req, NULL); |
179 | async_wait_for(req, NULL); |
180 | async_serialize_end(); |
180 | async_serialize_end(); |
181 | futex_up(&vfs_phone_futex); |
181 | futex_up(&vfs_phone_futex); |
182 | return (ssize_t) rc; |
182 | return (ssize_t) rc; |
183 | } |
183 | } |
184 | async_wait_for(req, &rc); |
184 | async_wait_for(req, &rc); |
185 | async_serialize_end(); |
185 | async_serialize_end(); |
186 | futex_up(&vfs_phone_futex); |
186 | futex_up(&vfs_phone_futex); |
187 | if (rc == EOK) |
187 | if (rc == EOK) |
188 | return (ssize_t) IPC_GET_ARG1(answer); |
188 | return (ssize_t) IPC_GET_ARG1(answer); |
189 | else |
189 | else |
190 | return -1; |
190 | return -1; |
191 | } |
191 | } |
192 | 192 | ||
193 | ssize_t write(int fildes, const void *buf, size_t nbyte) |
193 | ssize_t write(int fildes, const void *buf, size_t nbyte) |
194 | { |
194 | { |
195 | int res; |
195 | int res; |
196 | ipcarg_t rc; |
196 | ipcarg_t rc; |
197 | ipc_call_t answer; |
197 | ipc_call_t answer; |
198 | aid_t req; |
198 | aid_t req; |
199 | 199 | ||
200 | futex_down(&vfs_phone_futex); |
200 | futex_down(&vfs_phone_futex); |
201 | async_serialize_start(); |
201 | async_serialize_start(); |
202 | if (vfs_phone < 0) { |
202 | if (vfs_phone < 0) { |
203 | res = vfs_connect(); |
203 | res = vfs_connect(); |
204 | if (res < 0) { |
204 | if (res < 0) { |
205 | async_serialize_end(); |
205 | async_serialize_end(); |
206 | futex_up(&vfs_phone_futex); |
206 | futex_up(&vfs_phone_futex); |
207 | return res; |
207 | return res; |
208 | } |
208 | } |
209 | } |
209 | } |
210 | req = async_send_1(vfs_phone, VFS_WRITE, fildes, &answer); |
210 | req = async_send_1(vfs_phone, VFS_WRITE, fildes, &answer); |
211 | if (ipc_data_write_start(vfs_phone, (void *)buf, nbyte) != EOK) { |
211 | if (ipc_data_write_start(vfs_phone, (void *)buf, nbyte) != EOK) { |
212 | async_wait_for(req, NULL); |
212 | async_wait_for(req, NULL); |
213 | async_serialize_end(); |
213 | async_serialize_end(); |
214 | futex_up(&vfs_phone_futex); |
214 | futex_up(&vfs_phone_futex); |
215 | return (ssize_t) rc; |
215 | return (ssize_t) rc; |
216 | } |
216 | } |
217 | async_wait_for(req, &rc); |
217 | async_wait_for(req, &rc); |
218 | async_serialize_end(); |
218 | async_serialize_end(); |
219 | futex_up(&vfs_phone_futex); |
219 | futex_up(&vfs_phone_futex); |
220 | if (rc == EOK) |
220 | if (rc == EOK) |
221 | return (ssize_t) IPC_GET_ARG1(answer); |
221 | return (ssize_t) IPC_GET_ARG1(answer); |
222 | else |
222 | else |
223 | return -1; |
223 | return -1; |
224 | } |
224 | } |
225 | 225 | ||
226 | off_t lseek(int fildes, off_t offset, int whence) |
226 | off_t lseek(int fildes, off_t offset, int whence) |
227 | { |
227 | { |
228 | int res; |
228 | int res; |
229 | ipcarg_t rc; |
229 | ipcarg_t rc; |
230 | 230 | ||
231 | futex_down(&vfs_phone_futex); |
231 | futex_down(&vfs_phone_futex); |
232 | async_serialize_start(); |
232 | async_serialize_start(); |
233 | if (vfs_phone < 0) { |
233 | if (vfs_phone < 0) { |
234 | res = vfs_connect(); |
234 | res = vfs_connect(); |
235 | if (res < 0) { |
235 | if (res < 0) { |
236 | async_serialize_end(); |
236 | async_serialize_end(); |
237 | futex_up(&vfs_phone_futex); |
237 | futex_up(&vfs_phone_futex); |
238 | return res; |
238 | return res; |
239 | } |
239 | } |
240 | } |
240 | } |
241 | 241 | ||
242 | off_t newoffs; |
242 | off_t newoffs; |
243 | rc = async_req_3_1(vfs_phone, VFS_SEEK, fildes, offset, whence, |
243 | rc = async_req_3_1(vfs_phone, VFS_SEEK, fildes, offset, whence, |
244 | (ipcarg_t)&newoffs); |
244 | (ipcarg_t)&newoffs); |
245 | 245 | ||
246 | async_serialize_end(); |
246 | async_serialize_end(); |
247 | futex_up(&vfs_phone_futex); |
247 | futex_up(&vfs_phone_futex); |
248 | 248 | ||
249 | if (rc != EOK) |
249 | if (rc != EOK) |
250 | return (off_t) -1; |
250 | return (off_t) -1; |
251 | 251 | ||
252 | return newoffs; |
252 | return newoffs; |
253 | } |
253 | } |
254 | 254 | ||
255 | int ftruncate(int fildes, off_t length) |
255 | int ftruncate(int fildes, off_t length) |
256 | { |
256 | { |
257 | int res; |
257 | int res; |
258 | ipcarg_t rc; |
258 | ipcarg_t rc; |
259 | 259 | ||
260 | futex_down(&vfs_phone_futex); |
260 | futex_down(&vfs_phone_futex); |
261 | async_serialize_start(); |
261 | async_serialize_start(); |
262 | if (vfs_phone < 0) { |
262 | if (vfs_phone < 0) { |
263 | res = vfs_connect(); |
263 | res = vfs_connect(); |
264 | if (res < 0) { |
264 | if (res < 0) { |
265 | async_serialize_end(); |
265 | async_serialize_end(); |
266 | futex_up(&vfs_phone_futex); |
266 | futex_up(&vfs_phone_futex); |
267 | return res; |
267 | return res; |
268 | } |
268 | } |
269 | } |
269 | } |
270 | rc = async_req_2_0(vfs_phone, VFS_TRUNCATE, fildes, length); |
270 | rc = async_req_2_0(vfs_phone, VFS_TRUNCATE, fildes, length); |
271 | async_serialize_end(); |
271 | async_serialize_end(); |
272 | futex_up(&vfs_phone_futex); |
272 | futex_up(&vfs_phone_futex); |
273 | return (int) rc; |
273 | return (int) rc; |
274 | } |
274 | } |
275 | 275 | ||
276 | DIR *opendir(const char *dirname) |
276 | DIR *opendir(const char *dirname) |
277 | { |
277 | { |
278 | DIR *dirp = malloc(sizeof(DIR)); |
278 | DIR *dirp = malloc(sizeof(DIR)); |
279 | if (!dirp) |
279 | if (!dirp) |
280 | return NULL; |
280 | return NULL; |
281 | dirp->fd = _open(dirname, L_DIRECTORY, 0); |
281 | dirp->fd = _open(dirname, L_DIRECTORY, 0); |
282 | if (dirp->fd < 0) { |
282 | if (dirp->fd < 0) { |
283 | free(dirp); |
283 | free(dirp); |
284 | return NULL; |
284 | return NULL; |
285 | } |
285 | } |
286 | return dirp; |
286 | return dirp; |
287 | } |
287 | } |
288 | 288 | ||
289 | struct dirent *readdir(DIR *dirp) |
289 | struct dirent *readdir(DIR *dirp) |
290 | { |
290 | { |
291 | ssize_t len = read(dirp->fd, &dirp->res.d_name[0], NAME_MAX + 1); |
291 | ssize_t len = read(dirp->fd, &dirp->res.d_name[0], NAME_MAX + 1); |
292 | if (len <= 0) |
292 | if (len <= 0) |
293 | return NULL; |
293 | return NULL; |
294 | return &dirp->res; |
294 | return &dirp->res; |
295 | } |
295 | } |
296 | 296 | ||
297 | void rewinddir(DIR *dirp) |
297 | void rewinddir(DIR *dirp) |
298 | { |
298 | { |
299 | (void) lseek(dirp->fd, 0, SEEK_SET); |
299 | (void) lseek(dirp->fd, 0, SEEK_SET); |
300 | } |
300 | } |
301 | 301 | ||
302 | int closedir(DIR *dirp) |
302 | int closedir(DIR *dirp) |
303 | { |
303 | { |
304 | (void) close(dirp->fd); |
304 | (void) close(dirp->fd); |
305 | free(dirp); |
305 | free(dirp); |
306 | return 0; |
306 | return 0; |
307 | } |
307 | } |
308 | 308 | ||
309 | int mkdir(const char *path, mode_t mode) |
309 | int mkdir(const char *path, mode_t mode) |
310 | { |
310 | { |
311 | int res; |
311 | int res; |
312 | ipcarg_t rc; |
312 | ipcarg_t rc; |
313 | ipc_call_t answer; |
- | |
314 | aid_t req; |
313 | aid_t req; |
315 | 314 | ||
316 | futex_down(&vfs_phone_futex); |
315 | futex_down(&vfs_phone_futex); |
317 | async_serialize_start(); |
316 | async_serialize_start(); |
318 | if (vfs_phone < 0) { |
317 | if (vfs_phone < 0) { |
319 | res = vfs_connect(); |
318 | res = vfs_connect(); |
320 | if (res < 0) { |
319 | if (res < 0) { |
321 | async_serialize_end(); |
320 | async_serialize_end(); |
322 | futex_up(&vfs_phone_futex); |
321 | futex_up(&vfs_phone_futex); |
323 | return res; |
322 | return res; |
324 | } |
323 | } |
325 | } |
324 | } |
326 | req = async_send_1(vfs_phone, VFS_MKDIR, mode, &answer); |
325 | req = async_send_1(vfs_phone, VFS_MKDIR, mode, NULL); |
327 | rc = ipc_data_write_start(vfs_phone, path, strlen(path)); |
326 | rc = ipc_data_write_start(vfs_phone, path, strlen(path)); |
328 | if (rc != EOK) { |
327 | if (rc != EOK) { |
329 | async_wait_for(req, NULL); |
328 | async_wait_for(req, NULL); |
330 | async_serialize_end(); |
329 | async_serialize_end(); |
331 | futex_up(&vfs_phone_futex); |
330 | futex_up(&vfs_phone_futex); |
332 | return (int) rc; |
331 | return (int) rc; |
333 | } |
332 | } |
334 | async_wait_for(req, &rc); |
333 | async_wait_for(req, &rc); |
335 | async_serialize_end(); |
334 | async_serialize_end(); |
336 | futex_up(&vfs_phone_futex); |
335 | futex_up(&vfs_phone_futex); |
337 | return EOK; |
336 | return EOK; |
338 | } |
337 | } |
- | 338 | ||
- | 339 | static int _unlink(const char *path, int lflag) |
|
- | 340 | { |
|
- | 341 | int res; |
|
- | 342 | ipcarg_t rc; |
|
- | 343 | aid_t req; |
|
- | 344 | ||
- | 345 | futex_down(&vfs_phone_futex); |
|
- | 346 | async_serialize_start(); |
|
- | 347 | if (vfs_phone < 0) { |
|
- | 348 | res = vfs_connect(); |
|
- | 349 | if (res < 0) { |
|
- | 350 | async_serialize_end(); |
|
- | 351 | futex_up(&vfs_phone_futex); |
|
- | 352 | return res; |
|
- | 353 | } |
|
- | 354 | } |
|
- | 355 | req = async_send_0(vfs_phone, VFS_UNLINK, NULL); |
|
- | 356 | rc = ipc_data_write_start(vfs_phone, path, strlen(path)); |
|
- | 357 | if (rc != EOK) { |
|
- | 358 | async_wait_for(req, NULL); |
|
- | 359 | async_serialize_end(); |
|
- | 360 | futex_up(&vfs_phone_futex); |
|
- | 361 | return (int) rc; |
|
- | 362 | } |
|
- | 363 | async_wait_for(req, &rc); |
|
- | 364 | async_serialize_end(); |
|
- | 365 | futex_up(&vfs_phone_futex); |
|
- | 366 | return EOK; |
|
- | 367 | } |
|
- | 368 | ||
- | 369 | int unlink(const char *path) |
|
- | 370 | { |
|
- | 371 | return _unlink(path, L_NONE); |
|
- | 372 | } |
|
- | 373 | ||
- | 374 | int rmdir(const char *path) |
|
- | 375 | { |
|
- | 376 | return _unlink(path, L_DIRECTORY); |
|
- | 377 | } |
|
339 | 378 | ||
340 | /** @} |
379 | /** @} |
341 | */ |
380 | */ |
342 | 381 |