| plan 9 kernel history: overview | file list | diff list |
1991/0705/port/qlock.c (diff list | history)
| 1991/0614/sys/src/9/port/qlock.c:10,20 – 1991/0705/sys/src/9/port/qlock.c:10,17 (short | long | prev | next) | ||
| 1991/0428 | { Proc *p; | |
| 1991/0614 |
| |
| 1991/0705 | if(canlock(&q->use)) | |
| 1991/0428 | return; | |
| 1991/0614 |
| |
| 1991/0428 | lock(&q->queue); if(canlock(&q->use)){ unlock(&q->queue); | |