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authorRobert Morris <[email protected]>2019-06-11 09:57:14 -0400
committerRobert Morris <[email protected]>2019-06-11 09:57:14 -0400
commit5753553213df8f9de851adb68377db43faecb91f (patch)
tree3b629ff54897fca414146677532cb459a2ed11ba /sleeplock.c
parent91ba81110acd3163f7de3580b677eece0c57f5e7 (diff)
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separate source into kernel/ user/ mkfs/
Diffstat (limited to 'sleeplock.c')
-rw-r--r--sleeplock.c55
1 files changed, 0 insertions, 55 deletions
diff --git a/sleeplock.c b/sleeplock.c
deleted file mode 100644
index b490370..0000000
--- a/sleeplock.c
+++ /dev/null
@@ -1,55 +0,0 @@
-// Sleeping locks
-
-#include "types.h"
-#include "riscv.h"
-#include "defs.h"
-#include "param.h"
-#include "memlayout.h"
-#include "proc.h"
-#include "spinlock.h"
-#include "sleeplock.h"
-
-void
-initsleeplock(struct sleeplock *lk, char *name)
-{
- initlock(&lk->lk, "sleep lock");
- lk->name = name;
- lk->locked = 0;
- lk->pid = 0;
-}
-
-void
-acquiresleep(struct sleeplock *lk)
-{
- acquire(&lk->lk);
- while (lk->locked) {
- sleep(lk, &lk->lk);
- }
- lk->locked = 1;
- lk->pid = myproc()->pid;
- release(&lk->lk);
-}
-
-void
-releasesleep(struct sleeplock *lk)
-{
- acquire(&lk->lk);
- lk->locked = 0;
- lk->pid = 0;
- wakeup(lk);
- release(&lk->lk);
-}
-
-int
-holdingsleep(struct sleeplock *lk)
-{
- int r;
-
- acquire(&lk->lk);
- r = lk->locked && (lk->pid == myproc()->pid);
- release(&lk->lk);
- return r;
-}
-
-
-