From: Max Krasnyansky <redacted>
Date: Tue, 24 Sep 2024 04:18:48 +0000 (-0700)
Subject: threads: fix msvc build without openmp (llama/9615)
X-Git-Tag: upstream/0.0.1642~343
X-Git-Url: https://git.djapps.eu/?a=commitdiff_plain;h=fbcdca5c87eb6657d28938ee960cf6f7d6491318;p=pkg%2Fggml%2Fsources%2Fggml

threads: fix msvc build without openmp (llama/9615)

We're missing atomic_thread_fence() in MSVC builds when openmp is disabled.
---

diff --git a/src/ggml.c b/src/ggml.c
index 4c55d801..4b782b0c 100644
--- a/src/ggml.c
+++ b/src/ggml.c
@@ -135,6 +135,9 @@ static atomic_bool atomic_flag_test_and_set(atomic_flag * ptr) {
 static void atomic_flag_clear(atomic_flag * ptr) {
     InterlockedExchange(ptr, 0);
 }
+static void atomic_thread_fence(memory_order mo) {
+    MemoryBarrier();
+}
 #else // clang
 #include <stdatomic.h>
 #endif