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authorhunt <hunt>2005-04-07 15:17:29 +0000
committerhunt <hunt>2005-04-07 15:17:29 +0000
commit3d4bc8bea6b45893bd4b49f44df26bd602b4cba5 (patch)
treebae3fb1bc5fcbd7906574b6902c649b203274a3f /runtime/relayfs/buffers.h
parent6e01db401be4a19e6d81d9955d055e2f4e1b6aea (diff)
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Update to use relayfs.
Diffstat (limited to 'runtime/relayfs/buffers.h')
-rw-r--r--runtime/relayfs/buffers.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/runtime/relayfs/buffers.h b/runtime/relayfs/buffers.h
new file mode 100644
index 00000000..37a12493
--- /dev/null
+++ b/runtime/relayfs/buffers.h
@@ -0,0 +1,12 @@
+#ifndef _BUFFERS_H
+#define _BUFFERS_H
+
+/* This inspired by rtai/shmem */
+#define FIX_SIZE(x) (((x) - 1) & PAGE_MASK) + PAGE_SIZE
+
+extern int relay_mmap_buf(struct rchan_buf *buf, struct vm_area_struct *vma);
+extern struct rchan_buf *relay_create_buf(struct rchan *chan);
+extern void relay_destroy_buf(struct rchan_buf *buf);
+extern void relay_remove_buf(struct kref *kref);
+
+#endif/* _BUFFERS_H */