added DDEkit headers

include/ddekit/condvar.h

@@ -0,0 +1,32 @@
+#ifndef _ddekit_condvar_h
+#define _ddekit_condvar_h
+
+/** \file ddekit/condvar.h */
+#include <ddekit/ddekit.h>
+
+#include <ddekit/lock.h>
+
+struct ddekit_condvar;
+typedef struct ddekit_condvar ddekit_condvar_t;
+
+/* Initialize conditional variable. */
+_PROTOTYPE( ddekit_condvar_t * ddekit_condvar_init, (void));
+
+/* Uninitialize conditional variable. */
+_PROTOTYPE( void ddekit_condvar_deinit, (ddekit_condvar_t *cvp));
+
+/* Wait on a conditional variable. */
+_PROTOTYPE( void ddekit_condvar_waiti, (ddekit_condvar_t *cvp,
+                                        ddekit_lock_t *mp));
+
+/* Wait on a conditional variable at most until a timeout expires. (UNIMPL) */
+_PROTOTYPE( int  ddekit_condvar_wait_timed, (ddekit_condvar_t *cvp,
+                                             ddekit_lock_t *mp, int timo));
+
+/* Send signal to the next one waiting for condvar. */
+_PROTOTYPE( void ddekit_condvar_signal, (ddekit_condvar_t *cvp));
+
+/* Send signal to all threads waiting for condvar. */
+_PROTOTYPE( void ddekit_condvar_broadcast, (ddekit_condvar_t *cvp));
+
+#endif