Merge /pub/scm/linux/kernel/git/torvalds/linux-2.6

1 files changed, 52 insertions, 0 deletions

diff --git a/drivers/net/wireless/libertas/thread.h b/drivers/net/wireless/libertas/thread.h
new file mode 100644
index 000000000000..207b8a6cc33d
--- /dev/null
+++ b/drivers/net/wireless/libertas/thread.h
@@ -0,0 +1,52 @@
+#ifndef	__WLAN_THREAD_H_
+#define	__WLAN_THREAD_H_
+
+#include	<linux/kthread.h>
+
+struct wlan_thread {
+	struct task_struct *task;
+	wait_queue_head_t waitq;
+	pid_t pid;
+	void *priv;
+};
+
+static inline void wlan_activate_thread(struct wlan_thread * thr)
+{
+	/** Record the thread pid */
+	thr->pid = current->pid;
+
+	/** Initialize the wait queue */
+	init_waitqueue_head(&thr->waitq);
+}
+
+static inline void wlan_deactivate_thread(struct wlan_thread * thr)
+{
+	ENTER();
+
+	thr->pid = 0;
+
+	LEAVE();
+}
+
+static inline void wlan_create_thread(int (*wlanfunc) (void *),
+				      struct wlan_thread * thr, char *name)
+{
+	thr->task = kthread_run(wlanfunc, thr, "%s", name);
+}
+
+static inline int wlan_terminate_thread(struct wlan_thread * thr)
+{
+	ENTER();
+
+	/* Check if the thread is active or not */
+	if (!thr->pid) {
+		printk(KERN_ERR "Thread does not exist\n");
+		return -1;
+	}
+	kthread_stop(thr->task);
+
+	LEAVE();
+	return 0;
+}
+
+#endif