トップページ jupiteroak.hatenablog.com sleeplock.c https://github.com/mit-pdos/xv6-public/blob/master/sleeplock.c#L34 void releasesleep(struct sleeplock *lk) { acquire(&lk->lk); lk->locked = 0; lk->pid = 0; wakeup(lk); release(&lk->lk); }r…

トップページ jupiteroak.hatenablog.com sleeplock.c https://github.com/mit-pdos/xv6-public/blob/master/sleeplock.c#L44 int holdingsleep(struct sleeplock *lk) { int r; acquire(&lk->lk); r = lk->locked && (lk->pid == myproc()->pid); release(&…

トップページ jupiteroak.hatenablog.com sleeplock.c https://github.com/mit-pdos/xv6-public/blob/master/sleeplock.c#L22 void acquiresleep(struct sleeplock *lk) { acquire(&lk->lk); while (lk->locked) { sleep(lk, &lk->lk); } lk->locked = 1; lk…

トップページ jupiteroak.hatenablog.com sleeplock.c https://github.com/mit-pdos/xv6-public/blob/master/sleeplock.c#L13 void initsleeplock(struct sleeplock *lk, char *name) { initlock(&lk->lk, "sleep lock"); lk->name = name; lk->locked = 0; …