import

libxasync/waitgroup.h

@@ -0,0 +1,23 @@
+
+#ifndef WAITGROUP_H_QWERTY
+#define WAITGROUP_H_QWERTY
+
+#include <semaphore.h>
+#include <pthread.h>
+#include <stdatomic.h>
+#include <stdio.h>
+
+typedef struct {
+    sem_t       sem;
+    atomic_int  num;
+} wg_t;
+
+wg_t* new_gw(void);
+void wg_init(wg_t* wg);
+void wg_add(wg_t* wg);
+void wg_done(wg_t* wg);
+void wg_wait(wg_t* wg);
+void wg_destroy(wg_t* wg);
+void wg_free(wg_t* wg);
+
+#endif