diff options
Diffstat (limited to 'sys/kern')
| -rw-r--r-- | sys/kern/subr_sleepqueue.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/sys/kern/subr_sleepqueue.c b/sys/kern/subr_sleepqueue.c index 4941b47..b9f76d1 100644 --- a/sys/kern/subr_sleepqueue.c +++ b/sys/kern/subr_sleepqueue.c @@ -26,7 +26,7 @@ /* * Implementation of sleep queues used to hold queue of threads blocked on - * a wait channel. Sleep queues different from turnstiles in that wait + * a wait channel. Sleep queues are different from turnstiles in that wait * channels are not owned by anyone, so there is no priority propagation. * Sleep queues can also provide a timeout and can also be interrupted by * signals. That said, there are several similarities between the turnstile @@ -36,7 +36,7 @@ * a linked list of queues. An individual queue is located by using a hash * to pick a chain, locking the chain, and then walking the chain searching * for the queue. This means that a wait channel object does not need to - * embed it's queue head just as locks do not embed their turnstile queue + * embed its queue head just as locks do not embed their turnstile queue * head. Threads also carry around a sleep queue that they lend to the * wait channel when blocking. Just as in turnstiles, the queue includes * a free list of the sleep queues of other threads blocked on the same @@ -96,7 +96,7 @@ __FBSDID("$FreeBSD$"); #define SC_LOOKUP(wc) &sleepq_chains[SC_HASH(wc)] #define NR_SLEEPQS 2 /* - * There two different lists of sleep queues. Both lists are connected + * There are two different lists of sleep queues. Both lists are connected * via the sq_hash entries. The first list is the sleep queue chain list * that a sleep queue is on when it is attached to a wait channel. The * second list is the free list hung off of a sleep queue that is attached @@ -185,7 +185,7 @@ init_sleepqueues(void) MTX_SPIN | MTX_RECURSE); #ifdef SLEEPQUEUE_PROFILING snprintf(chain_name, sizeof(chain_name), "%d", i); - chain_oid = SYSCTL_ADD_NODE(NULL, + chain_oid = SYSCTL_ADD_NODE(NULL, SYSCTL_STATIC_CHILDREN(_debug_sleepq_chains), OID_AUTO, chain_name, CTLFLAG_RD, NULL, "sleepq chain stats"); SYSCTL_ADD_UINT(NULL, SYSCTL_CHILDREN(chain_oid), OID_AUTO, @@ -201,7 +201,7 @@ init_sleepqueues(void) #else NULL, NULL, sleepq_init, NULL, UMA_ALIGN_CACHE, 0); #endif - + thread0.td_sleepqueue = sleepq_alloc(); } @@ -504,7 +504,7 @@ sleepq_switch(void *wchan, int pri) mtx_assert(&sc->sc_lock, MA_OWNED); THREAD_LOCK_ASSERT(td, MA_OWNED); - /* + /* * If we have a sleep queue, then we've already been woken up, so * just return. */ @@ -531,7 +531,7 @@ sleepq_switch(void *wchan, int pri) #endif } mtx_unlock_spin(&sc->sc_lock); - return; + return; } #ifdef SLEEPQUEUE_PROFILING if (prof_enabled) |
