Author: vangyzen
Date: Fri Mar 10 20:48:38 2017
New Revision: 315029
URL: https://svnweb.freebsd.org/changeset/base/315029
Log:
MFC r314626
Fix grammar in some comments in subr_sleepqueue.c
While I'm here, remove trailing whitespace.
Modified:
stable/10/sys/kern/subr_sleepqueue.c
Directory Properties:
stable/10/ (props changed)
Modified: stable/10/sys/kern/subr_sleepqueue.c
==============================================================================
--- stable/10/sys/kern/subr_sleepqueue.c Fri Mar 10 20:38:18 2017
(r315028)
+++ stable/10/sys/kern/subr_sleepqueue.c Fri Mar 10 20:48:38 2017
(r315029)
@@ -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)
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