Initial import of read-only support for SGI's XFS filesystem.

Contributed by:		XFS for FreeBSD project

1 files changed, 34 insertions, 0 deletions

diff --git a/sys/gnu/fs/xfs/FreeBSD/support/sv.h b/sys/gnu/fs/xfs/FreeBSD/support/sv.h
new file mode 100644
index 0000000..fa37129
--- /dev/null
+++ b/sys/gnu/fs/xfs/FreeBSD/support/sv.h
@@ -0,0 +1,34 @@
+#ifndef __XFS_SUPPORT_SV_H__
+#define __XFS_SUPPORT_SV_H__
+
+#include <sys/condvar.h>
+
+/*
+ * Synchronisation variables
+ *
+ * parameters "pri", "svf" and "rts" are not (yet?) implemented
+ *
+ */
+
+typedef struct cv sv_t;
+
+#define init_sv(sv,type,name,flag) \
+            cv_init(sv, name)
+#define sv_init(sv,flag,name) \
+            cv_init(sv, name)
+#define sv_wait(sv, pri, lock, spl) \
+            cv_wait_unlock(sv, lock)
+#define sv_signal(sv) \
+            cv_signal(sv)
+#define sv_broadcast(sv) \
+            cv_broadcast(sv)
+#define sv_destroy(sv) \
+            cv_destroy(sv)
+
+#define SV_FIFO         0x0             /* sv_t is FIFO type */
+#define SV_LIFO         0x2             /* sv_t is LIFO type */
+#define SV_PRIO         0x4             /* sv_t is PRIO type */
+#define SV_KEYED        0x6             /* sv_t is KEYED type */
+#define SV_DEFAULT      SV_FIFO
+
+#endif /* __XFS_SUPPORT_SV_H__ */