Changeset 6f4495f5 in mainline for kernel/generic/src/synch/rwlock.c

Timestamp:

2007-01-27T17:32:13Z (18 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

1ba41c5

Parents:

51baa8a

Message:

Indentaion and formatting changes even Martin will like

File:

• kernel/generic/src/synch/rwlock.c (modified) (4 diffs)

kernel/generic/src/synch/rwlock.c

@@ -221 +221 @@
                 case ESYNCH_OK_BLOCKED:         
                         /*
-                         * We were woken with rwl->readers_in already incremented.
-                         * Note that this arrangement avoids race condition between
-                         * two concurrent readers. (Race is avoided if 'exclusive' is
-                         * locked at the same time as 'readers_in' is incremented.
-                         * Same time means both events happen atomically when
-                         * rwl->lock is held.)
+                         * We were woken with rwl->readers_in already
+                         * incremented.
+                         *
+                         * Note that this arrangement avoids race condition
+                         * between two concurrent readers. (Race is avoided if
+                         * 'exclusive' is locked at the same time as
+                         * 'readers_in' is incremented. Same time means both
+                         * events happen atomically when rwl->lock is held.)
                          */
                         interrupts_restore(ipl);
@@ -324 +326 @@
 
         if (!list_empty(&rwl->exclusive.sem.wq.head))
-                t = list_get_instance(rwl->exclusive.sem.wq.head.next, thread_t, wq_link);
+                t = list_get_instance(rwl->exclusive.sem.wq.head.next, thread_t,
+                    wq_link);
         do {
                 if (t) {
@@ -344 +347 @@
                         /*
                          * Waking up a reader.
-                         * We are responsible for incrementing rwl->readers_in for it.
+                         * We are responsible for incrementing rwl->readers_in
+                         * for it.
                          */
                          rwl->readers_in++;
@@ -361 +365 @@
                 t = NULL;
                 if (!list_empty(&rwl->exclusive.sem.wq.head)) {
-                        t = list_get_instance(rwl->exclusive.sem.wq.head.next, thread_t, wq_link);
+                        t = list_get_instance(rwl->exclusive.sem.wq.head.next,
+                            thread_t, wq_link);
                         if (t) {
                                 spinlock_lock(&t->lock);