Vladimir Sukharev
58 lines
1.3 KiB
Kotlin
Vendored
58 lines
1.3 KiB
Kotlin
Vendored
// TARGET_BACKEND: NATIVE
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// MODULE: cinterop
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// FILE: kt44283.def
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---
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#include <stdlib.h>
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#include <pthread.h>
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typedef struct {
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int d;
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} TestStruct;
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typedef struct {
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void (*f)(TestStruct data);
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} ThreadData;
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void *dispatch(void *rawArg) {
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ThreadData *arg = rawArg;
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arg->f((TestStruct) {.d = 1});
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return NULL;
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}
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void invokeFromThread(void (*f)(TestStruct data)) {
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pthread_t thread_id;
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ThreadData *threadData = malloc(sizeof(ThreadData));
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threadData->f = f;
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pthread_create(&thread_id, NULL, dispatch, (void *) threadData);
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pthread_join(thread_id, NULL);
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}
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// MODULE: main(cinterop)
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// FILE: main.kt
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@file:OptIn(kotlin.native.runtime.NativeRuntimeApi::class)
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import kotlinx.cinterop.*
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import kt44283.*
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import kotlin.concurrent.AtomicInt
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import kotlin.test.*
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val callbackCounter = AtomicInt(0)
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@ExperimentalForeignApi
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fun box(): String {
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val func = staticCFunction<CValue<TestStruct>, Unit> {
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kotlin.native.runtime.GC.collect() // Helps to ensure that "runtime" is already initialized.
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memScoped {
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println("Hello, Kotlin/Native! ${it.ptr.pointed.d}")
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}
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callbackCounter.incrementAndGet()
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}
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assertEquals(0, callbackCounter.value)
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invokeFromThread(func.reinterpret())
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assertEquals(1, callbackCounter.value)
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return "OK"
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} |