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Device:: Move to POSIX semaphore abstraction

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This commit is contained in:
Lorenz Meier
2015-09-20 00:27:41 +02:00
parent d73deabf5c
commit 76508ab5b5
5 changed files with 22 additions and 38 deletions
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src/drivers/device/cdev.cpp
+2 -2
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@@ -306,7 +306,7 @@ CDev::poll(file_t *filp, struct pollfd *fds, bool setup)
/* yes? post the notification */
if (fds->revents != 0)
sem_post(fds->sem);
px4_sem_post(fds->sem);
}
} else {
@@ -343,7 +343,7 @@ CDev::poll_notify_one(struct pollfd *fds, pollevent_t events)
/* if the state is now interesting, wake the waiter if it's still asleep */
/* XXX semcount check here is a vile hack; counting semphores should not be abused as cvars */
if ((fds->revents != 0) && (fds->sem->semcount <= 0))
sem_post(fds->sem);
px4_sem_post(fds->sem);
}
pollevent_t