diff options
Diffstat (limited to 'src/include/thread.h')
| -rw-r--r-- | src/include/thread.h | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/src/include/thread.h b/src/include/thread.h index 6df9d7edc5..160173e7e7 100644 --- a/src/include/thread.h +++ b/src/include/thread.h @@ -43,8 +43,13 @@ int thread_yield_microseconds(unsigned int microsecs); /* Allow and prevent thread cooperation on current running thread. By default * all threads are marked to be cooperative. That means a thread can yield - * to another thread at a pre-determined switch point. Current there is - * only a single place where switching may occur: a call to udelay(). */ + * to another thread at a pre-determined switch point. i.e., udelay, + * thread_yield, or thread_yield_microseconds. + * + * These methods should be used to guard critical sections so a dead lock does + * not occur. The critical sections can be nested. Just make sure the methods + * are used in pairs. + */ void thread_cooperate(void); void thread_prevent_coop(void); |