| 38 | } |
| 39 | |
| 40 | void |
| 41 | reader() |
| 42 | { |
| 43 | ATOMIC_SHARED int val; |
| 44 | int i = 0; |
| 45 | |
| 46 | while (1) { |
| 47 | val = *sharedMemory; |
| 48 | if (val != i) { |
| 49 | i = *sharedMemory; |
| 50 | printf("reader %d \n", i); |
| 51 | fflush(stdout); |
| 52 | } |
| 53 | sleep(1); |
| 54 | } |
| 55 | } |
| 56 | |
| 57 | void |
| 58 | writer() |