1 files changed, 31 insertions, 0 deletions
diff --git a/src/libnetdata/completion/completion.h b/src/libnetdata/completion/completion.h
new file mode 100644
index 000000000..908ccfaf6
--- /dev/null
+++ b/src/libnetdata/completion/completion.h
@@ -0,0 +1,31 @@
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#ifndef NETDATA_COMPLETION_H
+#define NETDATA_COMPLETION_H
+
+#include "../libnetdata.h"
+
+struct completion {
+    uv_mutex_t mutex;
+    uv_cond_t cond;
+    volatile unsigned completed;
+    volatile unsigned completed_jobs;
+};
+
+void completion_init(struct completion *p);
+
+void completion_destroy(struct completion *p);
+
+void completion_wait_for(struct completion *p);
+
+// Wait for at most `timeout` seconds. Return true on success, false on
+// error or timeout.
+bool completion_timedwait_for(struct completion *p, uint64_t timeout);
+
+void completion_mark_complete(struct completion *p);
+
+unsigned completion_wait_for_a_job(struct completion *p, unsigned completed_jobs);
+void completion_mark_complete_a_job(struct completion *p);
+bool completion_is_done(struct completion *p);
+
+#endif /* NETDATA_COMPLETION_H */