Import of Linux 2.2.12 subset (ipv4 stack and related)

1 files changed, 33 insertions, 0 deletions

diff --git a/pfinet/linux-src/include/linux/wait.h b/pfinet/linux-src/include/linux/wait.h
new file mode 100644
index 00000000..6514693c
--- /dev/null
+++ b/pfinet/linux-src/include/linux/wait.h
@@ -0,0 +1,33 @@
+#ifndef _LINUX_WAIT_H
+#define _LINUX_WAIT_H
+
+#define WNOHANG		0x00000001
+#define WUNTRACED	0x00000002
+
+#define __WCLONE	0x80000000
+
+#ifdef __KERNEL__
+
+#include <asm/page.h>
+
+struct wait_queue {
+	struct task_struct * task;
+	struct wait_queue * next;
+};
+
+#define WAIT_QUEUE_HEAD(x) ((struct wait_queue *)((x)-1))
+
+static inline void init_waitqueue(struct wait_queue **q)
+{
+	*q = WAIT_QUEUE_HEAD(q);
+}
+
+static inline int waitqueue_active(struct wait_queue **q)
+{
+	struct wait_queue *head = *q;
+	return head && head != WAIT_QUEUE_HEAD(q);
+}
+
+#endif /* __KERNEL__ */
+
+#endif