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Add TODOs.
[pintos-anon]
/
src
/
threads
/
synch.c
diff --git
a/src/threads/synch.c
b/src/threads/synch.c
index 28696d471aecfc67bfffc243f3734b0dd34a09b2..10a7dad5d022f7a294e5cce95d0a3dfb1148be73 100644
(file)
--- a/
src/threads/synch.c
+++ b/
src/threads/synch.c
@@
-162,7
+162,6
@@
lock_init (struct lock *lock, const char *name)
ASSERT (lock != NULL);
ASSERT (name != NULL);
ASSERT (lock != NULL);
ASSERT (name != NULL);
- strlcpy (lock->name, name, sizeof lock->name);
lock->holder = NULL;
sema_init (&lock->semaphore, 1, name);
}
lock->holder = NULL;
sema_init (&lock->semaphore, 1, name);
}
@@
-193,8
+192,8
@@
lock_acquire (struct lock *lock)
/* Releases LOCK, which must be owned by the current thread.
An interrupt handler cannot acquire a lock, so it does not
/* Releases LOCK, which must be owned by the current thread.
An interrupt handler cannot acquire a lock, so it does not
- make sense to try to
signal a condition variable within an
-
interrupt
handler. */
+ make sense to try to
release a lock within an interrupt
+ handler. */
void
lock_release (struct lock *lock)
{
void
lock_release (struct lock *lock)
{
@@
-226,7
+225,7
@@
lock_name (const struct lock *lock)
{
ASSERT (lock != NULL);
{
ASSERT (lock != NULL);
- return
lock->name
;
+ return
sema_name (&lock->semaphore)
;
}
\f
/* One semaphore in a list. */
}
\f
/* One semaphore in a list. */
@@
-251,7
+250,7
@@
cond_init (struct condition *cond, const char *name)
}
/* Atomically releases LOCK and waits for COND to be signaled by
}
/* Atomically releases LOCK and waits for COND to be signaled by
- some other piece of code. After COND is signal
l
ed, LOCK is
+ some other piece of code. After COND is signaled, LOCK is
reacquired before returning. LOCK must be held before calling
this function.
reacquired before returning. LOCK must be held before calling
this function.
@@
-262,7
+261,7
@@
cond_init (struct condition *cond, const char *name)
again.
A given condition variable is associated with only a single
again.
A given condition variable is associated with only a single
- lock, but one lock may be
be
associated with any number of
+ lock, but one lock may be associated with any number of
condition variables. That is, there is a one-to-many mapping
from locks to condition variables.
condition variables. That is, there is a one-to-many mapping
from locks to condition variables.