--- libelwix/src/ring.c	2026/02/18 11:41:47	1.8
+++ libelwix/src/ring.c	2026/05/05 15:35:28	1.8.4.1
@@ -3,7 +3,7 @@
 *  by Michael Pounov <misho@elwix.org>
 *
 * $Author: misho $
-* $Id: ring.c,v 1.8 2026/02/18 11:41:47 misho Exp $
+* $Id: ring.c,v 1.8.4.1 2026/05/05 15:35:28 misho Exp $
 *
 **************************************************************************
 The ELWIX and AITNET software is distributed under the following
@@ -59,9 +59,9 @@ rbuf_init(ringbuf_t *rbuf, int num)
 	if (!rbuf)
 		return -1;
 
-	atomic_store_explicit((atomic_int*) &rbuf->rb_head, 0, memory_order_relaxed);
-	atomic_store_explicit((atomic_int*) &rbuf->rb_tail, 0, memory_order_relaxed);
-	atomic_store_explicit((atomic_int*) &rbuf->rb_full, 0, memory_order_relaxed);
+	atomic_store_explicit((atomic_int*) &rbuf->rb_head, 0, memory_order_release);
+	atomic_store_explicit((atomic_int*) &rbuf->rb_tail, 0, memory_order_release);
+	atomic_store_explicit((atomic_int*) &rbuf->rb_full, 0, memory_order_release);
 
 	rbuf->rb_buffer = e_calloc(num, sizeof(struct iovec));
 	if (!rbuf->rb_buffer)
@@ -91,9 +91,9 @@ rbuf_free(ringbuf_t *rbuf)
 		rbuf->rb_bufnum = 0;
 	}
 
-	atomic_store_explicit((atomic_int*) &rbuf->rb_head, 0, memory_order_relaxed);
-	atomic_store_explicit((atomic_int*) &rbuf->rb_tail, 0, memory_order_relaxed);
-	atomic_store_explicit((atomic_int*) &rbuf->rb_full, 0, memory_order_relaxed);
+	atomic_store_explicit((atomic_int*) &rbuf->rb_head, 0, memory_order_release);
+	atomic_store_explicit((atomic_int*) &rbuf->rb_tail, 0, memory_order_release);
+	atomic_store_explicit((atomic_int*) &rbuf->rb_full, 0, memory_order_release);
 }
 
 /*
@@ -111,9 +111,9 @@ rbuf_purge(ringbuf_t *rbuf)
 	if (rbuf->rb_buffer)
 		memset(rbuf->rb_buffer, 0, rbuf->rb_bufnum * sizeof(struct iovec));
 
-	atomic_store_explicit((atomic_int*) &rbuf->rb_head, 0, memory_order_relaxed);
-	atomic_store_explicit((atomic_int*) &rbuf->rb_tail, 0, memory_order_relaxed);
-	atomic_store_explicit((atomic_int*) &rbuf->rb_full, 0, memory_order_relaxed);
+	atomic_store_explicit((atomic_int*) &rbuf->rb_head, 0, memory_order_release);
+	atomic_store_explicit((atomic_int*) &rbuf->rb_tail, 0, memory_order_release);
+	atomic_store_explicit((atomic_int*) &rbuf->rb_full, 0, memory_order_release);
 }
 
 /*
@@ -262,9 +262,9 @@ lrb_init(lrbuf_t *lrb, u_int size)
 	if (!lrb)
 		return -1;
 
-	atomic_store_explicit((atomic_int*) &lrb->lrb_head, 0, memory_order_relaxed);
-	atomic_store_explicit((atomic_int*) &lrb->lrb_tail, 0, memory_order_relaxed);
-	atomic_store_explicit((atomic_int*) &lrb->lrb_full, 0, memory_order_relaxed);
+	atomic_store_explicit((atomic_int*) &lrb->lrb_head, 0, memory_order_release);
+	atomic_store_explicit((atomic_int*) &lrb->lrb_tail, 0, memory_order_release);
+	atomic_store_explicit((atomic_int*) &lrb->lrb_full, 0, memory_order_release);
 
 	lrb->lrb_data = e_malloc(size);
 	if (!lrb->lrb_data)
@@ -294,9 +294,9 @@ lrb_free(lrbuf_t *lrb)
 		lrb->lrb_size = 0;
 	}
 
-	atomic_store_explicit((atomic_int*) &lrb->lrb_head, 0, memory_order_relaxed);
-	atomic_store_explicit((atomic_int*) &lrb->lrb_tail, 0, memory_order_relaxed);
-	atomic_store_explicit((atomic_int*) &lrb->lrb_full, 0, memory_order_relaxed);
+	atomic_store_explicit((atomic_int*) &lrb->lrb_head, 0, memory_order_release);
+	atomic_store_explicit((atomic_int*) &lrb->lrb_tail, 0, memory_order_release);
+	atomic_store_explicit((atomic_int*) &lrb->lrb_full, 0, memory_order_release);
 }
 
 /*
@@ -314,9 +314,9 @@ lrb_purge(lrbuf_t *lrb)
 	if (lrb->lrb_data)
 		memset(lrb->lrb_data, 0, lrb->lrb_size);
 
-	atomic_store_explicit((atomic_int*) &lrb->lrb_head, 0, memory_order_relaxed);
-	atomic_store_explicit((atomic_int*) &lrb->lrb_tail, 0, memory_order_relaxed);
-	atomic_store_explicit((atomic_int*) &lrb->lrb_full, 0, memory_order_relaxed);
+	atomic_store_explicit((atomic_int*) &lrb->lrb_head, 0, memory_order_release);
+	atomic_store_explicit((atomic_int*) &lrb->lrb_tail, 0, memory_order_release);
+	atomic_store_explicit((atomic_int*) &lrb->lrb_full, 0, memory_order_release);
 }
 
 /*
@@ -377,7 +377,7 @@ lrb_getw(lrbuf_t *lrb, size_t *len)
 	if (!lrb || !lrb->lrb_data || !lrb->lrb_size)
 		return NULL;
 
-	h = atomic_load_explicit((atomic_int*) &lrb->lrb_head, memory_order_relaxed);
+	h = atomic_load_explicit((atomic_int*) &lrb->lrb_head, memory_order_acquire);
 	if (len)
 		*len = lrb->lrb_size - h;
 
@@ -417,7 +417,7 @@ lrb_enqueue(lrbuf_t *lrb, void *data, size_t len, int 
 		t = atomic_load_explicit((atomic_int*) &lrb->lrb_tail, memory_order_acquire);
 		t2 = (t + drop) % lrb->lrb_size;
 	}
-	h = atomic_load_explicit((atomic_int*) &lrb->lrb_head, memory_order_relaxed);
+	h = atomic_load_explicit((atomic_int*) &lrb->lrb_head, memory_order_acquire);
 	n = lrb->lrb_size - h;
 	if (len < n) {
 		if (data)