pr                 80 kernel/pipe.c    struct proc *pr = myproc();
pr                 84 kernel/pipe.c      if (pi->readopen == 0 || killed(pr)) {
pr                 96 kernel/pipe.c        if (copyin(pr->pagetable, pr->sz, &ch, addr + i, 1) == -1) {
pr                115 kernel/pipe.c    struct proc *pr = myproc();
pr                120 kernel/pipe.c      if (killed(pr)) {
pr                133 kernel/pipe.c      if (copyout(pr->pagetable, pr->sz, addr + i, &ch, 1) == -1) {
pr                 24 kernel/printk.c } pr;
pr                 71 kernel/printk.c     acquire(&pr.lock);
pr                132 kernel/printk.c     release(&pr.lock);
pr                151 kernel/printk.c   initlock(&pr.lock, "pr");