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| author | Kent Overstreet <kent.overstreet@gmail.com> | 2017-12-13 16:00:44 -0500 |
|---|---|---|
| committer | Kent Overstreet <kent.overstreet@gmail.com> | 2017-12-13 16:07:21 -0500 |
| commit | f2feceddae6f3bd3722247f3458860b955f539bc (patch) | |
| tree | 6e8405e81ac080995db7cc20ebd51c1e4de5e4cb /include/linux/closure.h | |
| parent | fa36882a73fbb3fd771c506641a1d70d51c07068 (diff) | |
Shim layer updates
Diffstat (limited to 'include/linux/closure.h')
| -rw-r--r-- | include/linux/closure.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/include/linux/closure.h b/include/linux/closure.h index 33280d3..a9de6d9 100644 --- a/include/linux/closure.h +++ b/include/linux/closure.h @@ -382,4 +382,26 @@ static inline void closure_call(struct closure *cl, closure_fn fn, continue_at_nobarrier(cl, fn, wq); } +#define __closure_wait_event(waitlist, _cond) \ +do { \ + struct closure cl; \ + \ + closure_init_stack(&cl); \ + \ + while (1) { \ + closure_wait(waitlist, &cl); \ + if (_cond) \ + break; \ + closure_sync(&cl); \ + } \ + closure_wake_up(waitlist); \ + closure_sync(&cl); \ +} while (0) + +#define closure_wait_event(waitlist, _cond) \ +do { \ + if (!(_cond)) \ + __closure_wait_event(waitlist, _cond); \ +} while (0) + #endif /* _LINUX_CLOSURE_H */ |