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Squashed commit of the following:

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sched/semaphore:  Add nxsem_post() which is identical to sem_post() except that it never modifies the errno variable.  Changed all references to sem_post in the OS to nxsem_post().

    sched/semaphore:  Add nxsem_destroy() which is identical to sem_destroy() except that it never modifies the errno variable.  Changed all references to sem_destroy() in the OS to nxsem_destroy().

    libc/semaphore and sched/semaphore:  Add nxsem_getprotocol() and nxsem_setprotocola which are identical to sem_getprotocol() and set_setprotocol() except that they never modifies the errno variable.  Changed all references to sem_setprotocol in the OS to nxsem_setprotocol().  sem_getprotocol() was not used in the OS
This commit is contained in:
Gregory Nutt
2017-10-03 15:35:24 -06:00
parent 83cdb0c552
commit 42a0796615
376 changed files with 1597 additions and 1314 deletions
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drivers/net/tun.c
+9 -9
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@@ -247,7 +247,7 @@ static void tundev_lock(FAR struct tun_driver_s *tun)
static void tundev_unlock(FAR struct tun_driver_s *tun)
{
sem_post(&tun->waitsem);
nxsem_post(&tun->waitsem);
}
/****************************************************************************
@@ -274,7 +274,7 @@ static void tun_lock(FAR struct tun_device_s *priv)
static void tun_unlock(FAR struct tun_device_s *priv)
{
sem_post(&priv->waitsem);
nxsem_post(&priv->waitsem);
}
/****************************************************************************
@@ -296,7 +296,7 @@ static void tun_pollnotify(FAR struct tun_device_s *priv, pollevent_t eventset)
if (eventset != 0)
{
fds->revents |= eventset;
sem_post(fds->sem);
nxsem_post(fds->sem);
}
}
#else
@@ -335,7 +335,7 @@ static int tun_fd_transmit(FAR struct tun_device_s *priv)
if (priv->read_wait)
{
priv->read_wait = false;
sem_post(&priv->read_wait_sem);
nxsem_post(&priv->read_wait_sem);
}
tun_pollnotify(priv, POLLIN);
@@ -879,7 +879,7 @@ static int tun_dev_init(FAR struct tun_device_s *priv, FAR struct file *filep,
* priority inheritance enabled.
*/
sem_setprotocol(&priv->read_wait_sem, SEM_PRIO_NONE);
nxsem_setprotocol(&priv->read_wait_sem, SEM_PRIO_NONE);
/* Create a watchdog for timing polling for and timing of transmisstions */
@@ -904,8 +904,8 @@ static int tun_dev_init(FAR struct tun_device_s *priv, FAR struct file *filep,
ret = netdev_register(&priv->dev, NET_LL_TUN);
if (ret != OK)
{
sem_destroy(&priv->waitsem);
sem_destroy(&priv->read_wait_sem);
nxsem_destroy(&priv->waitsem);
nxsem_destroy(&priv->read_wait_sem);
return ret;
}
@@ -929,8 +929,8 @@ static int tun_dev_uninit(FAR struct tun_device_s *priv)
(void)netdev_unregister(&priv->dev);
sem_destroy(&priv->waitsem);
sem_destroy(&priv->read_wait_sem);
nxsem_destroy(&priv->waitsem);
nxsem_destroy(&priv->read_wait_sem);
return OK;
}