1 files changed, 48 insertions, 0 deletions
diff --git a/libddekit/condvar.c b/libddekit/condvar.c
new file mode 100644
index 00000000..55c57f8b
--- /dev/null
+++ b/libddekit/condvar.c
@@ -0,0 +1,48 @@
+/**
+ * Unchecked (no BSD invariants) condition variable implementation for
+ * dde-internal use. Written from scratch.
+ *
+ * \author Thomas Friebel <tf13@os.inf.tu-dresden.de>
+ */
+#include <cthreads.h>
+
+#include "ddekit/condvar.h"
+
+struct ddekit_condvar {
+	struct condition cond;
+};
+
+ddekit_condvar_t *ddekit_condvar_init() {
+	struct condition *cvp;
+
+	cvp = condition_alloc ();
+	condition_init (cvp);
+
+	return (ddekit_condvar_t *) cvp;
+}
+
+void ddekit_condvar_deinit(ddekit_condvar_t *cvp) {
+	condition_free (&cvp->cond);
+}
+
+void ddekit_condvar_wait(ddekit_condvar_t *cvp, ddekit_lock_t *mp) {
+	/* This isn't nice. The encapsulation is broken.
+	 * TODO I can merge the two files condvar.c and lock.c. */
+	condition_wait (&cvp->cond, (struct mutex *) *mp);
+}
+
+int ddekit_condvar_wait_timed(ddekit_condvar_t *cvp,
+			      ddekit_lock_t *mp, int timo) {
+	// TODO currently just let it like this.
+	ddekit_condvar_wait (cvp, mp);
+	return 0;
+}
+
+void ddekit_condvar_signal(ddekit_condvar_t *cvp)
+{
+	condition_signal (&cvp->cond);
+}
+
+void ddekit_condvar_broadcast(ddekit_condvar_t *cvp) {
+	condition_broadcast (&cvp->cond);
+}