| 47,6 → 47,7 |
|---|
| #include <libadt/list.h> |
| #include <unistd.h> |
| #include <ctype.h> |
| #include <fcntl.h> |
| #include <assert.h> |
| #include <atomic.h> |
| #include "vfs.h" |
| 291,6 → 292,11 |
|---|
| int mode = IPC_GET_ARG3(*request); |
| size_t len; |
| |
| if (oflag & O_CREAT) |
| lflag |= L_CREATE; |
| if (oflag & O_EXCL) |
| lflag |= L_EXCLUSIVE; |
| |
| ipc_callid_t callid; |
| |
| if (!ipc_data_write_receive(&callid, &len)) { |
| 325,13 → 331,19 |
|---|
| * find/create-and-lock the VFS node corresponding to the looked-up |
| * triplet. |
| */ |
| rwlock_read_lock(&namespace_rwlock); |
| if (lflag & L_CREATE) |
| rwlock_write_lock(&namespace_rwlock); |
| else |
| rwlock_read_lock(&namespace_rwlock); |
| |
| /* The path is now populated and we can call vfs_lookup_internal(). */ |
| vfs_lookup_res_t lr; |
| rc = vfs_lookup_internal(path, len, lflag, &lr, NULL); |
| if (rc) { |
| rwlock_read_unlock(&namespace_rwlock); |
| if (lflag & L_CREATE) |
| rwlock_write_unlock(&namespace_rwlock); |
| else |
| rwlock_read_unlock(&namespace_rwlock); |
| ipc_answer_0(rid, rc); |
| free(path); |
| return; |
| 341,7 → 353,10 |
|---|
| free(path); |
| |
| vfs_node_t *node = vfs_node_get(&lr); |
| rwlock_read_unlock(&namespace_rwlock); |
| if (lflag & L_CREATE) |
| rwlock_write_unlock(&namespace_rwlock); |
| else |
| rwlock_read_unlock(&namespace_rwlock); |
| |
| /* |
| * Get ourselves a file descriptor and the corresponding vfs_file_t |