summaryrefslogtreecommitdiffstats
path: root/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/core/iwasm/libraries/lib-wasi-threads/test/linear_memory_size_update.c
diff options
context:
space:
mode:
Diffstat (limited to 'fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/core/iwasm/libraries/lib-wasi-threads/test/linear_memory_size_update.c')
-rw-r--r--fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/core/iwasm/libraries/lib-wasi-threads/test/linear_memory_size_update.c94
1 files changed, 94 insertions, 0 deletions
diff --git a/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/core/iwasm/libraries/lib-wasi-threads/test/linear_memory_size_update.c b/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/core/iwasm/libraries/lib-wasi-threads/test/linear_memory_size_update.c
new file mode 100644
index 000000000..9dcb34a6c
--- /dev/null
+++ b/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/core/iwasm/libraries/lib-wasi-threads/test/linear_memory_size_update.c
@@ -0,0 +1,94 @@
+/*
+ * Copyright (C) 2023 Amazon.com Inc. or its affiliates. All rights reserved.
+ * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+ */
+#include <stdlib.h>
+#include <pthread.h>
+
+typedef enum {
+ APP_STARTED,
+ THREAD_STARTED,
+ MEMORY_ALLOCATED,
+} app_state_t;
+typedef struct {
+
+ pthread_cond_t cond;
+ pthread_mutex_t mutex;
+ app_state_t state;
+ char *data;
+} context_t;
+
+void
+context_init(context_t *ctx)
+{
+ pthread_cond_init(&ctx->cond, NULL);
+ pthread_mutex_init(&ctx->mutex, NULL);
+ ctx->state = APP_STARTED;
+ ctx->data = NULL;
+}
+
+void
+context_destroy(context_t *ctx)
+{
+ pthread_cond_destroy(&ctx->cond);
+ pthread_mutex_destroy(&ctx->mutex);
+ if (ctx->data) {
+ free(ctx->data);
+ }
+}
+
+void
+context_set_state(context_t *ctx, app_state_t state)
+{
+ pthread_mutex_lock(&ctx->mutex);
+ ctx->state = state;
+ pthread_mutex_unlock(&ctx->mutex);
+ pthread_cond_signal(&ctx->cond);
+}
+
+void
+context_wait_for_state(context_t *ctx, app_state_t state)
+{
+ pthread_mutex_lock(&ctx->mutex);
+ while (ctx->state != state) {
+ pthread_cond_wait(&ctx->cond, &ctx->mutex);
+ }
+ pthread_mutex_unlock(&ctx->mutex);
+}
+
+void *
+fnc(void *p)
+{
+ context_t *ctx = (context_t *)p;
+ context_set_state(ctx, THREAD_STARTED);
+
+ context_wait_for_state(ctx, MEMORY_ALLOCATED);
+
+ // trigger memory.copy
+ __builtin_memcpy(ctx->data + 512 * 1024, ctx->data + 1024, 1024);
+
+ return NULL;
+}
+
+int
+main()
+{
+ context_t ctx;
+ context_init(&ctx);
+
+ pthread_t th;
+ pthread_create(&th, NULL, fnc, &ctx);
+
+ context_wait_for_state(&ctx, THREAD_STARTED);
+
+ // trigger memory.grow
+ ctx.data = calloc(1024 * 1024, 1);
+
+ context_set_state(&ctx, MEMORY_ALLOCATED);
+
+ pthread_join(th, NULL);
+
+ context_destroy(&ctx);
+
+ return 0;
+}