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180
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1 #include "../context.h"
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2 #interface "file.h"
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3
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4 // ----
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5 // typedef struct none<Impl, Isa> impl file {
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6 //
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7 // } none;
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8 // ----
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9
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10 file* createnone(struct Context* cbc_context) {
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11 struct file* file = new file();
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12 struct none* none = new none();
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13 file->file = (union Data*)none;
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14 file->remoe = 0;
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15 file->off = 0;
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16 file->st = NULL;
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17 file->addr = NULL;
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18 file->pipe = 0;
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19 file->inode = 0;
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20 file->n = 0;
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21 file->fd = 0;
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22 file->stat = C_statnone;
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23 file->read = C_readnone;
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24 file->write = C_writenone;
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25 file->close = C_closenone;
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26 return file;
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27 }
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28 __code statnone(struct none* file, struct stat* st, __code next(...)) {
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29
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30 goto next(...);
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31 }
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32
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33 __code readnone(struct none* file, char* addr, __code next(...)) {
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34
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35 goto next(...);
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36 }
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37
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38 __code writenone(struct none* file, char* addr, int n, __code next(...)) {
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39
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40 goto next(...);
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41 }
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42
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43 __code closenone(struct none* file,int fd, __code next(...)) {
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44
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190
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45 goto file->noneclose(file->file, next);
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180
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46 }
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190
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47
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48 __code noneclose(struct none* none, struct file* file, __code next(...){
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49 struct file ff;
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50 acquire(*ftable.loc)
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51
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52 if (f->ref < 1) {
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53 goto cbc_context->kernel_error->panic("file close");
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54 }
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55 goto pipe->cbc_noneclose2(f,ff,next);
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56 }
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57
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58 __code noneclose2(struct none* none,struct file* file, struct file* ff,__code next(...)){
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59 if (--f->ref > 0) {
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60 release(&ftable.lock);
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61 goto cbc_context->return();
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62 }
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63 goto pipe->cbc_pipeclose3(f,ff,next);
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64 }
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